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12:37:46 Mon 06 Apr 2026

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Industry

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(3)

China First Metallurgical

(3)

China Three Gorges

(3)

Gree Electric Appliances,

(3)

Liuan Zhongcai Pipeline T

(3)

(3)

Shandong Guowei Iron and

(3)

Anhui Qianghua Electric P

(2)

Baoji Tianlian Huitong Co

(2)

(2)

CEEC Shanxi Electric Powe

(2)

Casic Feihang Technology

(2)

Changchun Institute of Ap

(2)

Changjiang Ecology Enviro

(2)

Changshu Tianyin Electrom

(2)

China Mcc5 Group Corporat

(2)

China Three Gorges Univer

(2)

China Yangtze Power

(2)

Chongqing Iron & Steel

(2)

Chongqing Sanqing Robot T

(2)

Cnooc Shenzhen Ocean Engi

(2)

Guangzhou Power Supply Bu

(2)

Guotun Coal Mine of Linyi

(2)

Harbin Institute of Techn

(2)

(2)

Huaian Power Supply Branc

(2)

Hubei Energy Guanggu Ther

(2)

Hubei Wangxin Constructio

(2)

Jiangsu Yoryuo New Pipes

(2)

Jinan Energy Engineering

(2)

Jinchuan Group Nickel & C

(2)

Jubian Xinneng Anhui Co L

(2)

Liaocheng Zhongyue Pipe I

(2)

Nantong Shenghao Fire Hos

(2)

Powerchina Roadbridge Gro

(2)

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(2)

Shandong Rongling Intelli

(2)

Shanghai Installation Eng

(2)

Shanghai University

(2)

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(2)

State Grid Shanghai Munic

(2)

Suzhou Baiyite Zhijia Tec

(2)

Taizhou Changli Resin Tub

(2)

Tangshan Zhengyuan Pipe I

(2)

The Boiler & Pressure Ves

(2)

The First Company of Chin

(2)

(2)

Wuxi Xinfeng Pipe Fitting

(2)

Xi\'an Thermal Power Rese

(2)

Yangzhou Jixing Machinery

(2)

Yibo Comm Equip Group Co

(2)

Zhejiang Hanhong Prec Mat

(2)

Zhejiang Zhongda New Mate

(2)

(1)

A Raymond Et Cie

(1)

AECC Aviation Power

(1)

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(1)

ASRC Underground Space Te

(1)

Aerosun Corporation

(1)

Anhui Changjiang Steel Co

(1)

Anhui Chengwei Fire Safet

(1)

Anhui Diandi Water Co Ltd

(1)

Anhui Fangyang Electric P

(1)

Anhui Jingtongwang Pipeli

(1)

Anhui Juhe Intelligent Te

(1)

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(1)

Anhui Puluolan Pipeline R

(1)

Anhui Quansheng Chemical

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Anhui Transmission and Tr

(1)

Anhui Tsp Ultra Prec Moul

(1)

Anhui University of Scien

(1)

Anhui University of Scien

(1)

Anhui Xiutong Building Ma

(1)

Anhui Zhonghui Urban Plan

(1)

Anyang Forging Press Nume

(1)

Aode Tech Co Ltd

(1)

(1)

Baihua Cnc Jiangsu Co Ltd

(1)

Baiyin Nonferrous Power C

(1)

Baoji Ruixin Energy Equip

(1)

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(1)

Beijing Boda Shunyuan Nat

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Beijing Urban Constructio

(1)

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(1)

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(1)

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(1)

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(1)

(1)

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(1)

CCCC First Highway Engine

(1)

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(1)

CCCC National Engineering

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

CHN Energy Science and Te

(1)

CRRC Qingdao Sifang

(1)

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(1)

Cangzhou Changshi Pipelin

(1)

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(1)

Castaneda Lopez Homero [u

(1)

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(1)

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(1)

Chang\'an University

(1)

Changjiang Geophysical Ex

(1)

Changjiang Institute of S

(1)

Changjiang Santacc Energy

(1)

Changsha Institute Mining

(1)

Changshu Ruisheng Auto Pa

(1)

Changxing Xing Ying Build

(1)

Changzhou Dading Prec Too

(1)

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(1)

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(1)

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(1)

Chengdu Aircraft Industry

(1)

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(1)

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(1)

Chengxi Shipyard

(1)

China 22MCC Group Corpora

(1)

China Academy Of Building

(1)

China Chengda Engineering

(1)

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(1)

China Huashi Enterprises

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Chongqing Gongqi Technolo

(1)

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(1)

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(1)

(1)

Coking Coal Cleaning Util

(1)

DEC Dongfeng Electric Mac

(1)

Dalian COSCO KHI Ship Eng

(1)

Dalian Huarui Int Enginee

(1)

Dalian Jinzhou Hot Galvan

(1)

Dalian University of Tech

(1)

Daqing Chengchuang Petrol

(1)

Datang Qingyuan Thermoele

(1)

(1)

Deyang Haohua Qingping Ph

(1)

Deyang Newpeace Automatio

(1)

Dezhou Chengze Ventilatio

(1)

Dezhou Fulaiman Metal Tec

(1)

(1)

Dongguan City Gedamei Har

(1)

Dongguan Gangyao Hardware

(1)

Dongtai Xinyida Glass Fib

(1)

Dongying Yize Electromech

(1)

Electric Power Science Re

(1)

Eliot Scott Taylor

(1)

(1)

(1)

(1)

Erzhong Zhenjiang Heavy E

(1)

Fangchenggang Zhongyi Hea

(1)

Feizhe Petroleum Equipmen

(1)

Foshan Anquan Energy Savi

(1)

Foshan Huibaisheng Laser

(1)

Foshan Nanhai Qifeng Stee

(1)

Foshan Shunde Haier Elect

(1)

Foshan Xiangjian Rubber P

(1)

Foshan Zhiweian Security

(1)

(1)

Fuheng Industrial Technol

(1)

Fuji Machine Works Co Ltd

(1)

Fujian Shenzhoutong New M

(1)

Fupai Pipeline System Nan

(1)

Fuzhou Yili Electric Powe

(1)

Gezhouba Ecological Gover

(1)

Gree Electric Appliances

(1)

Guangdong Angwei Environm

(1)

Guangdong Energy Group Pi

(1)

Guangdong Hongyi Xingbang

(1)

Guangdong Kexin Electric

(1)

Guangdong Kezheng Hydropo

(1)

Guangdong Longfeng Prec C

(1)

Guangdong Meizhou Vocatio

(1)

Guangdong No 2 Hydropower

(1)

Guangdong No 3 Water Cons

(1)

Guangdong Polytechnic Nor

(1)

Guangdong Qinglong Pipes

(1)

Guangdong Tianyuan Archit

(1)

Guangdong Zhongwei Weiton

(1)

Guangdong Zhongxun Commun

(1)

Guangdong Zhuao Construct

(1)

Guangsheng Construction G

(1)

Guangxi Baise Industry In

(1)

Guangxi Fangchenggang Nuc

(1)

Guangxi Nancai Pipeline C

(1)

Guangxi Power Grid

(1)

Guangzhou 3rd Constructio

(1)

Guangzhou Mayer Corp Ltd

(1)

Guangzhou Ruifeng Soft Co

(1)

Guangzhou Shanhe Intellig

(1)

Guangzhou Yuanjing Safety

(1)

Guangzhou Yuejian Sanhe S

(1)

Guilin University of Elec

(1)

Guiyang Beikong Water Ser

(1)

Guizhou Power Grid

(1)

Guizhou Xishui Dingtai En

(1)

Guoneng Baotou Energy Co

(1)

Guoneng Hebei Cangdong Po

(1)

Guoneng Shendong Coal Gro

(1)

Hainan Liansu Science And

(1)

Hanglingwei (Taizhou) Tec

(1)

Hangtianchenguang Fujian

(1)

Hangzhou Changneng Tech C

(1)

Hangzhou Chennuo New Ener

(1)

Hangzhou Underground Pipe

(1)

Hangzhou Zhongtai Cryogen

(1)

Hanjiang Nat Laboratory

(1)

Harbin Dongan High Prec T

(1)

Harbin Engineering Univer

(1)

Harbin Engineering Univer

(1)

Harbin Institute of Techn

(1)

Harbin Sifang Boiler Inst

(1)

Harbin Surveying And Mapp

(1)

Hawthorne Holdings Pty Lt

(1)

Hebei Guanghao Pipe Fitti

(1)

Hebei Haihao High Pressur

(1)

Hebei Jinao Prec Manufact

(1)

Hebei Kairui Equipment Co

(1)

Hebei Runjia Childrens To

(1)

Hebei Teruifeike Communic

(1)

Hebei Xintai Pipeline Tec

(1)

Hebei Yutian Material Tec

(1)

Hebei Zeang Pipeline Equi

(1)

Hebei Zhuobang Copper Ind

(1)

Hefei Miaotong Municipal

(1)

Hefei University

(1)

Henan Branch of China Sou

(1)

Henan Guangda Tube Indust

(1)

Henan Guoji Construction

(1)

Henan Pingmei Shenma Rufe

(1)

Henan Provincial People\'

(1)

Henan Renhe Tech Industri

(1)

Henan Tong-Da Cable

(1)

Henan Transport Investmen

(1)

Hengtong Ocean Eng Co Ltd

(1)

Hengyang Hongtao Machiner

(1)

Hengyang Valin Steel Tube

(1)

Hengyang Yuanjing Tungste

(1)

Hongmu Qingdao Electromec

(1)

Hrj Prec Extrusion Machin

(1)

Huadian Longkou Power Gen

(1)

Huadian Water Conservancy

(1)

Huaneng Henan Zhongyuan G

(1)

Huaneng Jilin Power Gener

(1)

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(1)

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(1)

Huaneng Qingyang Coal and

(1)

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(1)

Huangshan Qianghao Steel

(1)

Huanjie Xinneng Tech Jian

(1)

Huarui Geosciences & Tech

(1)

Huating Coal Group

(1)

Huayuan Jinbo Tech Co Ltd

(1)

Huazhong University of Sc

(1)

Hubei Day Lam Mat Co Ltd

(1)

Hubei Institute of Specia

(1)

Hubei Limei Medicinal Pac

(1)

Hubei Meiyada Group Co Lt

(1)

Hubei Sanjiang Space Jian

(1)

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(1)

Huisheng Group Pingyuan P

(1)

Hunan Chengyou Green Buil

(1)

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(1)

Hunan Xiecheng Pipe Indus

(1)

Hunan Zhongming Tech Co L

(1)

Hyundai Motor Company [kr

(1)

IST Corporation

(1)

Inspur Communication & In

(1)

Inst Of Exploration Techn

(1)

Institute of Metal Resear

(1)

(1)

Intelligent Manufacturing

(1)

Jari Automation Co Ltd Ch

(1)

Jiangmen Huachi Intellige

(1)

Jiangmen Xinhui Huayuan C

(1)

Jiangsu Changyou Environm

(1)

Jiangsu Chenggui Design I

(1)

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(1)

Jiangsu Chuangxiang Ind E

(1)

Jiangsu Cuilong Prec Copp

(1)

Jiangsu Dalishen Pipe Co

(1)

Jiangsu Daocheng Pipe Ind

(1)

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(1)

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(1)

Jiangsu Hengshu Pipe Ind

(1)

Jiangsu Huachen Transform

(1)

Jiangsu Huadian Yihua The

(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

Jiangsu Nanrui Yinlong Ca

(1)

Jiangsu Senhai Pipe Ind C

(1)

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(1)

Jiangsu Shengkang Fuyuan

(1)

Jiangsu Shuaijing Technol

(1)

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(1)

Jiangsu Shuzhian Tech Co

(1)

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(1)

Jiangsu Tianying Environm

(1)

Jiangsu Vocational Colleg

(1)

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(1)

Jiangsu Yingstanfu Enviro

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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(1)

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Jiangxi Sop Ind Co Ltd

(1)

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(1)

Jiangxi Univ Of Water Res

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(1)

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Jinan University

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Johnson Controls Air Cond

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Kylin Software Co Ltd

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LandSpace Technology

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(1)

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(1)

Nanjing Chengyi New Energ

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No 2 Construction Eng Co

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Shanghai Huici Tech Co Ltd Applies for Patent on Pneumatic Plug Type Spray Pipe Capable of Being Used for Liquid Rocket Engine and Manufacturing Method of Pneumatic Plug Type Spray..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Shanghai Huici Tech Co Ltd has applied Chinese patent for Pneumatic Plug Type Spray Pipe Capable of Being Used for Liquid Rocket Engine and Manufacturing Method of Pneumatic Plug Type Spray Pipe. Wu Fan developed it. The patent application number is CN202511186283 20250823. The patent publication number is..

Nanjing Longrui Intelligent Tech Co Ltd Files Chinese Patent Application for Torque Shunting Transmission Type Soil Type Pipe Jacking Tunneling Device and Using Method Thereof

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Nanjing Longrui Intelligent Tech Co Ltd has filed a patent application for Torque Shunting Transmission Type Soil Type Pipe Jacking Tunneling Device and Using Method Thereof. This invention was developed by Jiang Zhiguang. The patent application number is CN202511393234 20250927. The patent publication num..

State Intellectual Property Office of China Receives Shanghai Institute Of Geological Prospecting Tech Patent Application for Underground Pipeline Detection Method

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Shanghai Institute Of Geological Prospecting Tech patent application for Underground Pipeline Detection Method. Xu Mao, Geng Zhi, Wang Yuan, Yun Mingjie, Wu Shenhui and Liu Yongchao developed the invention. The patent application number is CN20251125..

State Intellectual Property Office of China Receives Institute Of Exploration Technique Cademy Of Geological Sciences Patent Application for Drilling Tool Inner Pipe Assembly In-pl..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Institute Of Exploration Technique Cademy Of Geological Sciences patent application for Drilling Tool Inner Pipe Assembly In-place Informing Mechanism. Liang Jian, Zhu Zhitong, Liu Kuo, Cao Longlong, Jia Minghao, Shao Yutao, Jia Wei, Wei Hairui and Liu ..

Feizhe Petroleum Equipment Liaoning Co Ltd Submits Chinese Patent Application for Compression Type External Pipe Packer Based on Low-carbon Petroleum Exploitation

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Feizhe Petroleum Equipment Liaoning Co Ltd has submitted a patent application for Compression Type External Pipe Packer Based on Low-carbon Petroleum Exploitation. This invention was developed by Bai Xuejia, Sun Jianru and Chen Fei. The patent application number is CN202511500479 20251021. The patent publi..

State Intellectual Property Office of China Publishes Kunming Prospecting Design Institute Of China Nonferrous Metals Industry Co Ltd, Kunming University of Science and Technology ..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Kunming Prospecting Design Institute Of China Nonferrous Metals Industry Co Ltd, Kunming University of Science and Technology and Kunming Metallurgy College patent application for Encircling Type Pipe Screwing Device. The invention was developed by Shi..

Zhanjiang Branch Of China France Bohai Geoservices Co Ltd Submits Chinese Patent Application for Waste Oil Pipe Green Remanufacturing Method and Oil Pipe Screwed Joint Structure

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Zhanjiang Branch Of China France Bohai Geoservices Co Ltd has submitted a patent application for Waste Oil Pipe Green Remanufacturing Method and Oil Pipe Screwed Joint Structure. This invention was developed by Zhang Tao, Lu Xi, Wang Liguo, Ren Wei, Xu Yang, Ma Wangbing, Wang Liang, Xin Xiaojun and Xu Feng. ..

State Intellectual Property Office of China Receives Wuhan Jucheng Structure Group Co Ltd Patent Application for Clamping Rail Type Pipe Jacking Construction Method for Displacemen..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Wuhan Jucheng Structure Group Co Ltd patent application for Clamping Rail Type Pipe Jacking Construction Method for Displacement of Object Attached with Foundation and Soil. Gao Zuoping, Zhang Chang, Liu Chunnian, Tan Xingzhou, Liao Jiehong, Wu Bo and Z..

State Intellectual Property Office of China Releases Henan Transport Investment Group and Henan China Industry Design And Res Institute Group Co Ltd Patent Application for Reinforc..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Henan Transport Investment Group and Henan China Industry Design And Res Institute Group Co Ltd patent application for Reinforcing and Implementing Device and Method for Steel Pipes in Steel Structure Grid. This invention was developed by Yuan Donglei, ..

State Intellectual Property Office of China Releases Guangdong No. 2 Hydropower Engineering Bureau Group and Guangdong Construction Engineering Group Patent Application for Steel P..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Guangdong No. 2 Hydropower Engineering Bureau Group and Guangdong Construction Engineering Group patent application for Steel Pipe Lining Concrete Pouring Equipment and Using Method Thereof. This invention was developed by Xu Chengbin, Cai Chenglin, Che..

State Intellectual Property Office of China Publishes Jiangsu Huadian Yihua Thermal Power Co Ltd Patent Application for Valve Well of Heat Supply Pipe Network of Thermal Power Plan..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Jiangsu Huadian Yihua Thermal Power Co Ltd patent application for Valve Well of Heat Supply Pipe Network of Thermal Power Plant. The invention was developed by Zhang Chunlin, Shi Mingjie, Zhang Kelei, Zheng Yujun, Hua Chuhan, Xu Zhong, Zhang Xiaolong, ..

PowerChina Ecological Env Group Co Ltd Submits Patent Application for Compaction Degree Feedback Rammer Compactor for Mucky Soil Pipe Network Construction

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- PowerChina Ecological Env Group Co Ltd has submitted a patent application for Compaction Degree Feedback Rammer Compactor for Mucky Soil Pipe Network Construction. Chen Weifeng, Yin Yue, He Wenfeng, Xu Wei, Yan Jun and You Weikang developed the invention. The patent application number is CN202511418088 202..

State Intellectual Property Office of China Receives Nanjing Yongjin Pipe Ind Co Ltd Patent Application for Pickling Passivation Treatment Device for Welding Seam of Stainless Stee..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Nanjing Yongjin Pipe Ind Co Ltd patent application for Pickling Passivation Treatment Device for Welding Seam of Stainless Steel Water Pipe. Zhang Zhaobing, Lin Rulong and Di Henglan developed the invention. The patent application number is CN2025114..

State Intellectual Property Office of China Publishes State Nuclear Bao Ti Zirconium Ind Company Patent Application for High-strength Corrosion-resistant Zr-sn Alloy Plate for Heav..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published State Nuclear Bao Ti Zirconium Ind Company patent application for High-strength Corrosion-resistant Zr-sn Alloy Plate for Heavy Water Reactor Drainage Pipe and Preparation Method of High-strength Corrosion-resistant Zr-sn Alloy Plate. The invention was..

Zhejiang Shoufei Pump Co Ltd Seeks Patent for Preparation Method of Heat-resistant and Corrosion-resistant Pipeline Pump Body for Conveying High-temperature and High-pressure Liqui..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Zhejiang Shoufei Pump Co Ltd has sought patent for Preparation Method of Heat-resistant and Corrosion-resistant Pipeline Pump Body for Conveying High-temperature and High-pressure Liquid. This invention was developed by Shen Zhimin, Wang Chenyu, Min Yingfu and Wang Shuhua. The patent application number is ..

State Intellectual Property Office of China Publishes Tangshan Shuangtai Tech Co Ltd and Beijing Double Tai Equipment Co Ltd Patent Application for Pneumatic Driving and Pipe Coili..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Tangshan Shuangtai Tech Co Ltd and Beijing Double Tai Equipment Co Ltd patent application for Pneumatic Driving and Pipe Coiling Follow-up All-in-one Machine. The invention was developed by Zhou Wenchuan, Tang Guoqiang, Wang Huaqiang and Zhang Dongshen..

State Intellectual Property Office of China Publishes Huanjie Xinneng Tech Jiangsu Co Ltd Patent Application for Methanol Storage Tank Temperature Accurate Regulation and Control P..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Huanjie Xinneng Tech Jiangsu Co Ltd patent application for Methanol Storage Tank Temperature Accurate Regulation and Control Pipeline and Regulation and Control Method. The invention was developed by Wu Zhirong, Ge Degang and Wang Zhongcheng. The pa..

State Intellectual Property Office of China Publishes Suzhou Baiyite Zhijia Tech Co Ltd Patent Application for Pipe Plastic Part Assembling Production Line

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Suzhou Baiyite Zhijia Tech Co Ltd patent application for Pipe Plastic Part Assembling Production Line. The invention was developed by Sun Yiyuan and Xi Yongchun. The patent application number is CN202511408604 20250929. The patent publication number..

State Intellectual Property Office of China Publishes Suzhou Baiyite Zhijia Tech Co Ltd Patent Application for Pipe End Part End Cover Assembling Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Suzhou Baiyite Zhijia Tech Co Ltd patent application for Pipe End Part End Cover Assembling Device. The invention was developed by Sun Yiyuan and Xi Yongchun. The patent application number is CN202511408611 20250929. The patent publication number is..

State Intellectual Property Office of China Publishes Shandong Jinli Hydraulic Tech Co Ltd Patent Application for Hydraulic Hose Sleeving Machine and Using Method

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Shandong Jinli Hydraulic Tech Co Ltd patent application for Hydraulic Hose Sleeving Machine and Using Method. The invention was developed by Zheng Jiahai, Cui Zhiying, Cui Jingquan, Zhang Languang, Wang Qi and Li Haojie. The patent application numbe..

State Intellectual Property Office of China Publishes Zhejiang Sungood Tech Co Ltd Patent Application for Intelligent Heat Setting Equipment for Pipes and Control Method of Intelli..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Zhejiang Sungood Tech Co Ltd patent application for Intelligent Heat Setting Equipment for Pipes and Control Method of Intelligent Heat Setting Equipment. The invention was developed by Zheng Chunyan, Meng Yang, Fan Xiaochun and Cai Longxiang. The p..

State Intellectual Property Office of China Publishes Zhejiang Hanhong Prec Material Co Ltd Patent Application for Stainless Steel Pipe Double-end Cutting and Straightening Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Zhejiang Hanhong Prec Material Co Ltd patent application for Stainless Steel Pipe Double-end Cutting and Straightening Device. The invention was developed by Li Hongyan, Zhu Weijia and Xu Jie. The patent application number is CN202511451941 20251011..

State Intellectual Property Office of China Publishes Changshu Tianyin Electromechanical Co Ltd Patent Application for Automatic Extracting and Transferring Device for Pipe Piece o..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Changshu Tianyin Electromechanical Co Ltd patent application for Automatic Extracting and Transferring Device for Pipe Piece of Air Suction Pipe of Intelligent Assembly Machine of Air Suction Silencer. The invention was developed by Zhao Yunwen, Zhao X..

State Intellectual Property Office of China Publishes Jiangsu Haitong Offshore Eng Equipment Co Ltd Patent Application for Ship Block Closure Pipe Intersecting Line Cutting Equipme..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Jiangsu Haitong Offshore Eng Equipment Co Ltd patent application for Ship Block Closure Pipe Intersecting Line Cutting Equipment with Multi-axis Linkage Control Function. The invention was developed by Jin Yongfei, Qian Zhidong, Jin Jiahuan, Si Wei and..

State Intellectual Property Office of China Publishes Huangshan Qianghao Steel Structure Eng Co Ltd Patent Application for Stainless Steel Pipe Connecting and Welding Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Huangshan Qianghao Steel Structure Eng Co Ltd patent application for Stainless Steel Pipe Connecting and Welding Device. The invention was developed by Zhu Huiling and Qi Ziqiang. The patent application number is CN202511451469 20251011. The patent ..

State Intellectual Property Office of China Publishes Shandong Rongling Intelligent Mfg Co Ltd Patent Application for Fault Monitoring Method and Early Warning System for Loading a..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Shandong Rongling Intelligent Mfg Co Ltd patent application for Fault Monitoring Method and Early Warning System for Loading and Unloading Crane Pipe at Bottom. The invention was developed by Wang Hui, Gong Yongzhan and Yi Jichao. The patent applica..

State Intellectual Property Office of China Publishes Beijing Boda Shunyuan Natural Gas Co Ltd Patent Application for Natural Gas Pipeline Compressor Unit Fault Analysis Method Bas..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Beijing Boda Shunyuan Natural Gas Co Ltd patent application for Natural Gas Pipeline Compressor Unit Fault Analysis Method Based on Matching Degree Calculation. The invention was developed by Zhu Fangquan. The patent application number is CN20251114..

State Intellectual Property Office of China Publishes Nantong Shenghao Fire Hose Co Ltd Patent Application for Intelligent Testing Method for Bonding Function of High-temperature B..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Nantong Shenghao Fire Hose Co Ltd patent application for Intelligent Testing Method for Bonding Function of High-temperature Bonding Machine for Connecting Pipe. The invention was developed by Liu Weiwei. The patent application number is CN202511582..

State Intellectual Property Office of China Publishes Tsinghua University and Hefei Institute Public Safety Research Tsinghua University Patent Application for Experiment Module fo..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Tsinghua University and Hefei Institute Public Safety Research Tsinghua University patent application for Experiment Module for Diffusing Gas Leakage to Building Through Blow-off Pipeline. The invention was developed by Pan Rui, Cheng Xiao, Sun Zhanhui..

State Intellectual Property Office of China Publishes Harbin Engineering University and Electric Power Research Institute Patent Application for Optical Fiber Sensing System and Me..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Harbin Engineering University and Electric Power Research Institute patent application for Optical Fiber Sensing System and Measuring Method for Measuring Vortex-induced Vibration of Steel Pipe. The invention was developed by Chai Quan, Du Yu, Chui Xia..

State Intellectual Property Office of China Publishes Shanghai Sansheng Health Tech Co Ltd Patent Application for Superconducting Material Compounded Ultra-low Temperature Corrugat..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Shanghai Sansheng Health Tech Co Ltd patent application for Superconducting Material Compounded Ultra-low Temperature Corrugated Pipe Structure for Heat Dissipation of Quantum Computer. The invention was developed by Sheng Bin and Bao Qiudan. The pa..

State Intellectual Property Office of China Publishes Zhou Qinggui Patent Application for Fin Coil Pipe Type Gas-fired Boiler

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Zhou Qinggui patent application for Fin Coil Pipe Type Gas-fired Boiler. The patent application number is CN202511487325 20251017. The patent publication number is CN121025435 (A). International Patent Classification codes are F22B31/08, F22B37/44, F2..

State Intellectual Property Office of China Releases Guangdong Hongyi Xingbang Intelligent Tech Co Ltd Patent Application for Water-saving Decision Generation Method for Pipeline S..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Guangdong Hongyi Xingbang Intelligent Tech Co Ltd patent application for Water-saving Decision Generation Method for Pipeline System Embedded with Optical Detection Equipment and Medium. This invention was developed by Liu Yibing. The patent applicat..

State Intellectual Property Office of China Publishes China Resources Gas Zhengzhou Municipal Design And Res Institute Co Ltd Patent Application for Method for Monitoring Leakage o..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published China Resources Gas Zhengzhou Municipal Design And Res Institute Co Ltd patent application for Method for Monitoring Leakage of High-pressure Gas Pipeline. The invention was developed by Qin Tingting, Yu Lijun, Liu Chengliang, Liu Qian, Zhang Shihao, W..

State Intellectual Property Office of China Publishes Ningxia Jinti Fluoroplastic Anticorrosive Equipment Co Ltd Patent Application for Wear-resistant Anti-corrosion Pipe for Conve..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Ningxia Jinti Fluoroplastic Anticorrosive Equipment Co Ltd patent application for Wear-resistant Anti-corrosion Pipe for Conveying Desulfurization Slurry of Power Plant and Manufacturing Method. The invention was developed by Cai Hongrong, Yu Yongzhang..

State Intellectual Property Office of China Publishes Jiangsu Yoryuo New Pipes Co Ltd Patent Application for Corrugated Pipe Compensator with Waterproof and Heat Preservation Funct..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Jiangsu Yoryuo New Pipes Co Ltd patent application for Corrugated Pipe Compensator with Waterproof and Heat Preservation Functions. The invention was developed by Gu Jinhua, Bao Xiu, Xia Xiaoli, Lu Yan, Zhai Xiaodong and Ji Hongxiang. The patent app..

State Intellectual Property Office of China Releases Beijing Huaan Yongli Construction Eng Co Ltd Patent Application for Drainage Pipeline Structure and Pipe Jacking Construction E..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Beijing Huaan Yongli Construction Eng Co Ltd patent application for Drainage Pipeline Structure and Pipe Jacking Construction Equipment. This invention was developed by Lin Li, Hu Liangliang, Dou Tianqi, Ifuku Akira and Li Zhikun. The patent applicat..

State Intellectual Property Office of China Releases Yibo Comm Equip Group Co Ltd Patent Application for Embedded Pipe Machining Device for Communication Engineering

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Yibo Comm Equip Group Co Ltd patent application for Embedded Pipe Machining Device for Communication Engineering. This invention was developed by Shao Mingming, Shao Jibao, Feng Qingkai and Lu Fanghua. The patent application number is CN202511460503 ..

State Intellectual Property Office of China Releases Shandong Tenglong Tianyuan Rubber And Plastic Tech Co Ltd Patent Application for Cooling Machine and Method Based on Rubber Hos..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Shandong Tenglong Tianyuan Rubber And Plastic Tech Co Ltd patent application for Cooling Machine and Method Based on Rubber Hose Processing. This invention was developed by Yao Wei. The patent application number is CN202511295385 20250911. The patent..

State Intellectual Property Office of China Releases Meide Aiwazi Jinan Metal Products Co Ltd Patent Application for Metal Hose Machining Method for Removing Stress Without Heat Tr..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Meide Aiwazi Jinan Metal Products Co Ltd patent application for Metal Hose Machining Method for Removing Stress Without Heat Treatment and Obtained Metal Hose. This invention was developed by Sun Changjie, Zhang Yanbo, Yin Yicun, Yu Xiaojun and Li Chao...

State Intellectual Property Office of China Releases Changzhou Junchang Metal Products Co Ltd Patent Application for Refrigeration Copper Pipe Reaming Device Based on Multi-groove ..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Changzhou Junchang Metal Products Co Ltd patent application for Refrigeration Copper Pipe Reaming Device Based on Multi-groove Positioning. This invention was developed by Xie Yuru and Xu Zefeng. The patent application number is CN202511567346 202510..

State Intellectual Property Office of China Releases Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology Patent Application for ..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has released Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology patent application for Electromagnetic Hydraulic Composite Bulging and Correcting Method and Device for Pipe Plate. This invention was developed by M..

State Intellectual Property Office of China Publishes Jubian Xinneng Anhui Co Ltd Patent Application for Fusion Reactor Engineering Pipeline Installation Device

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Jubian Xinneng Anhui Co Ltd patent application for Fusion Reactor Engineering Pipeline Installation Device. The invention was developed by Yin Haotian and Yang Qingxi. The patent application number is CN202511576891 20251031. The patent publication ..

State Intellectual Property Office of China Publishes Wuxi Huibo Environmental Tech Co Ltd Patent Application for Pipeline Laying Fixing Structure, Sprinkling Irrigation Pipe Netwo..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has published Wuxi Huibo Environmental Tech Co Ltd patent application for Pipeline Laying Fixing Structure, Sprinkling Irrigation Pipe Network Based on Fixing Structure and Laying Method. The invention was developed by Luo Jian. The patent application number is C..

Hebei Teruifeike Communication Equipment Co Ltd Submits Chinese Patent Application for Plastic Pipe and Preparation Method Thereof

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Hebei Teruifeike Communication Equipment Co Ltd has submitted a patent application for Plastic Pipe and Preparation Method Thereof. This invention was developed by Wang Meng, Ding Jingjing and Yang Yang. The patent application number is CN202511346936 20250919. The patent publication number is CN121022001 ..

Hunan Xiecheng Pipe Industry Tech Submits Chinese Patent Application for Bamboo-plastic Composite Pipe and Preparation Method Thereof

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Hunan Xiecheng Pipe Industry Tech has submitted a patent application for Bamboo-plastic Composite Pipe and Preparation Method Thereof. This invention was developed by Cao Xuanyong, Cao Liwei and Wang Xubing. The patent application number is CN202511574207 20251031. The patent publication number is CN121021..

Changxing Xing Ying Building Mat Co Ltd Of New Fire Resistant Submits Chinese Patent Application for Special Refractory Castable for Desulfurization or Denitration Pipeline of Ceme..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Changxing Xing Ying Building Mat Co Ltd Of New Fire Resistant has submitted a patent application for Special Refractory Castable for Desulfurization or Denitration Pipeline of Cement Kiln. This invention was developed by Xu Gao, Wang Qiang, Wang Daojun, Chang Zhao and Wang Shaojian. The patent application ..

Jiangsu Senhai Pipe Ind Co Ltd Submits Chinese Patent Application for Preparation Method and Device of Frpp Winding Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Jiangsu Senhai Pipe Ind Co Ltd has submitted a patent application for Preparation Method and Device of Frpp Winding Pipe. This invention was developed by Xu Haifeng, Pei Shulin and Zhou Shuqin. The patent application number is CN202511322134 20250916. The patent publication number is CN121018917 (A). Inter..

State Intellectual Property Office of China Receives Tianyuan Construction Group, Tianyuan Road & Bridge Group Co Ltd and Tianyuan Linyi Construction Eng Co Ltd Patent Application ..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Tianyuan Construction Group, Tianyuan Road & Bridge Group Co Ltd and Tianyuan Linyi Construction Eng Co Ltd patent application for Hoisting Device for Concrete Pipeline and Control Method of Hoisting Device. Liu Ranshun, Wang Baoming, Song Xiaodong, Yan..

State Intellectual Property Office of China Receives Jiangsu Yuansheng High New Tech Co Ltd Patent Application for Standby Extrusion Module for Cable Armored Plastic Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Jiangsu Yuansheng High New Tech Co Ltd patent application for Standby Extrusion Module for Cable Armored Plastic Pipe. Peng Hui developed the invention. The patent application number is CN202511495164 20251020. The patent publication number is CN1210..

Sichuan Guotong Concrete Products Co Ltd Submits Patent Application for High-performance Prefabricated Concrete Pipe Body Structure and Preparation Process

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Sichuan Guotong Concrete Products Co Ltd has submitted a patent application for High-performance Prefabricated Concrete Pipe Body Structure and Preparation Process. Que Xiaoping, Chen Mingxuan, Su Liping, Han Ting, Jiang Yuanyuan, Yu Liang, Zhou Yu and Yue Lin developed the invention. The patent applicatio..

Yangzhou Jiaji Machinery Co Ltd Submits Chinese Patent Application for Polishing Device for Special-shaped Welded Pipe Machining

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Yangzhou Jiaji Machinery Co Ltd has submitted a patent application for Polishing Device for Special-shaped Welded Pipe Machining. This invention was developed by Yu Qian. The patent application number is CN202511447196 20251011. The patent publication number is CN121018386 (A). International Patent Classif..

Jinan Huitong Thermal Power Co Ltd Submits Chinese Patent Application for Remote Cutting Device for Thermal Insulation Layer at Leakage Point of Thermal Prefabricated Thermal Insul..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Jinan Huitong Thermal Power Co Ltd has submitted a patent application for Remote Cutting Device for Thermal Insulation Layer at Leakage Point of Thermal Prefabricated Thermal Insulation Pipe. This invention was developed by Li Zonggang, Lin Hai, Feng Yanpei, Liu Weisong, He Yanlong, Wang Jianrui and Zhao Xuan..

Nanjing Hongjia Mech Manufacturing Co Ltd Submits Chinese Patent Application for Steel Belt Cutting Device for Hose Clamp Production

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Nanjing Hongjia Mech Manufacturing Co Ltd has submitted a patent application for Steel Belt Cutting Device for Hose Clamp Production. This invention was developed by Xu Feng, Ye Xiaoyun, Shao Changwen and Wang Chaoyi. The patent application number is CN202511319071 20250916. The patent publication number i..

Sichuan Dongfang Longyuan Power Equipment Co Ltd Submits Chinese Patent Application for Pipe Fitting Welding Auxiliary Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Sichuan Dongfang Longyuan Power Equipment Co Ltd has submitted a patent application for Pipe Fitting Welding Auxiliary Device. This invention was developed by Liao Yong, Liu Huimin, Wu Ruixue, Zhang Chi, Xue Shuai and Ma Pengfei. The patent application number is CN202511564606 20251030. The patent publicat..

Yangzhou Ryuwa Shipbuilding Co Ltd Submits Patent Application for Special Fixture for Robot Welding Pipeline Flange Displacement

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Yangzhou Ryuwa Shipbuilding Co Ltd has submitted a patent application for Special Fixture for Robot Welding Pipeline Flange Displacement. Li Zhiyun and Zhao Peng developed the invention. The patent application number is CN202511289394 20250910. The patent publication number is CN121018012 (A). Internationa..

Jiangsu Juxin Petroleum Steel Pipe Co Ltd Submits Chinese Patent Application for Nickel-based Alloy Flux-cored Wire for Dredging Pipeline Welding, Preparation Method and Welding Me..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Jiangsu Juxin Petroleum Steel Pipe Co Ltd has submitted a patent application for Nickel-based Alloy Flux-cored Wire for Dredging Pipeline Welding, Preparation Method and Welding Method. This invention was developed by Li Haijun, Hua Jiajia, Liang Ning and Wu Yuezhi. The patent application number is CN20251..

Suzhou Toflylaser Tech Co Ltd Submits Chinese Patent Application for Automatic Welding Method for Composite Woven Dense Pipe Based on AI and Image Sensor

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Suzhou Toflylaser Tech Co Ltd has submitted a patent application for Automatic Welding Method for Composite Woven Dense Pipe Based on AI and Image Sensor. This invention was developed by Dai Jiawen. The patent application number is CN202511197431 20250826. The patent publication number is CN121017899 (A). ..

Shaanxi Zhongxinglantu Education Tech Co Ltd Submits Chinese Patent Application for Communication Pipeline Distance Measuring Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shaanxi Zhongxinglantu Education Tech Co Ltd has submitted a patent application for Communication Pipeline Distance Measuring Device. This invention was developed by Hui Ming and Ju Jie. The patent application number is CN202511573923 20251031. The patent publication number is CN121028108 (A). Internationa..

Anhui Qianghua Electric Power Dev Co Ltd Submits Chinese Patent Application for Miniature Endoscope and Ultrasonic Detection Probe for Pipeline Welding Seam in Narrow Space

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Anhui Qianghua Electric Power Dev Co Ltd has submitted a patent application for Miniature Endoscope and Ultrasonic Detection Probe for Pipeline Welding Seam in Narrow Space. This invention was developed by Xu Cong, Ma Yibing, Huang Xiangwen, Xiang Dongsong, Wu Kai and Shi Jia. The patent application number..

Dongguan City Gedamei Hardware Tools Co Ltd Submits Patent Application for a Drain Pipe Ferrule

Pipe

| Mon 06 Apr 2026

Vilnius, April 6 -- Dongguan City Gedamei Hardware Tools Co Ltd has submitted a patent application for a Drain Pipe Ferrule. Fan Cuizhe developed the invention. The patent application number is LT20170000053 20170626. The patent publication number is LT2017053 (A). International Patent Classification code is E03C1/00. Coopera..

Jiangsu Youfa Steel Pipe Co Ltd Submits Patent Application for Steel Pipe Detection Mechanism Based on 3D Camera

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Jiangsu Youfa Steel Pipe Co Ltd has submitted a patent application for Steel Pipe Detection Mechanism Based on 3D Camera. Qian Zhen, Dong Xibiao, Wang Lihong and Duan Zhichao developed the invention. The patent application number is CN202511239791 20250902. The patent publication number is CN121027126 (A)...

Anhui Zhonghui Urban Planning Survey & Design Institute Co Ltd Submits Chinese Patent Application for Underground Pipe Network Fault Detection Positioning Method and System Based o..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Anhui Zhonghui Urban Planning Survey & Design Institute Co Ltd has submitted a patent application for Underground Pipe Network Fault Detection Positioning Method and System Based on Convolutional Neural Network. This invention was developed by Zhu Xiaosheng, Xiang Kun, Du Hui, Li Pan and Huang Keyao. The p..

State Intellectual Property Office of China Receives Zhejiang Thwater Tech Co Ltd and Beijing Thwater Tech Co Ltd Patent Application for Method and Device for Determining Liquid Le..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Zhejiang Thwater Tech Co Ltd and Beijing Thwater Tech Co Ltd patent application for Method and Device for Determining Liquid Level of Drainage Pipe Network and Electronic Equipment. Li Zhiyi, Yang Tingting, Zhang Xudong, Li Lei, Gao Xinghua, Zhao Dongqu..

Zhejiang Gongcheng Construction Project Consulting Co Ltd Submits Chinese Patent Application for Water Supply Pipeline Pressure Test Device for Construction Project Supervision

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Zhejiang Gongcheng Construction Project Consulting Co Ltd has submitted a patent application for Water Supply Pipeline Pressure Test Device for Construction Project Supervision. This invention was developed by Chen Weiming and Liang Qingquan. The patent application number is CN202511246256 20250902. The pa..

SVS Pump Valve Mfg Zhejiang Co Ltd Submits Chinese Patent Application for Quantitative Sampling Valve of Liquid Circulation Pipeline

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- SVS Pump Valve Mfg Zhejiang Co Ltd has submitted a patent application for Quantitative Sampling Valve of Liquid Circulation Pipeline. This invention was developed by Xia Xinmei, Wan Zhiliang, Jiang Yue, Cai Wenbin and Shen Shushan. The patent application number is CN202511184026 20250822. The patent public..

State Intellectual Property Office of China Receives Hangzhou Underground Pipeline Dev Co Ltd Patent Application for Underground Pipe Gallery Water Leakage Detection Method and Sys..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Hangzhou Underground Pipeline Dev Co Ltd patent application for Underground Pipe Gallery Water Leakage Detection Method and System Based on Acoustic Characteristics and Multi-source Fusion. Wen Junneng, Wu Shufeng, Bao Hangjian, Qian Jinchuan, Wang Ruyi..

Zhengzhou United Electric Co Ltd Submits Chinese Patent Application for Air-resistance-free Type Flow-dividing Heat Exchange Pipeline and Heat Exchange Equipment

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Zhengzhou United Electric Co Ltd has submitted a patent application for Air-resistance-free Type Flow-dividing Heat Exchange Pipeline and Heat Exchange Equipment. This invention was developed by Zhao Yike, Liu Songshan, Zhang Aiping, Zhao Jingyang, Zhang Ziqi, Zhang Weijie, Ma Mingyu, Zhang Changyu, Wang Yao,..

Nanjing Chengyi New Energy Equipment Co Ltd Submits Chinese Patent Application for Interpolated Material Cooling Pipe of Cooling Tank and Method

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Nanjing Chengyi New Energy Equipment Co Ltd has submitted a patent application for Interpolated Material Cooling Pipe of Cooling Tank and Method. This invention was developed by Yang Wenguang, Zhang Xiaohui, Zhang Haifeng, Wu Houjin, Gu Dejie, Huang Wen and Tang Xiao. The patent application number is CN202..

State Intellectual Property Office of China Receives Qingdao Haier Air Conditioner, Qingdao Haier Air-Conditioner Electric, Qingdao Haier Intelligent Technology Research & Developm..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Qingdao Haier Air Conditioner, Qingdao Haier Air-Conditioner Electric, Qingdao Haier Intelligent Technology Research & Development and Haier Smart Home patent application for Liquid Pipe Structure of Heat Exchanger, Variable Shunting Heat Exchanger and ..

Shanghai Bangxin Iot Tech Co Ltd Submits Chinese Patent Application for Water Supply Pipeline Leakage Simulation Device Based on Fire Joint

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Shanghai Bangxin Iot Tech Co Ltd has submitted a patent application for Water Supply Pipeline Leakage Simulation Device Based on Fire Joint. This invention was developed by Shen Jiadong and Zhu Jianhua. The patent application number is CN202511402257 20250928. The patent publication number is CN121025395 (..

State Intellectual Property Office of China Receives Suining Didian Ind Control Equipment Co Ltd Patent Application for Anti-jumping and Anti-explosion Structure of Pipe Conveying ..

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Suining Didian Ind Control Equipment Co Ltd patent application for Anti-jumping and Anti-explosion Structure of Pipe Conveying Clamping Sleeve. Zhao Yuping, Zhao Diwei, Yang Wenxue, Chai Wenzhong and Zhao Weiping developed the invention. The patent a..

Shanmeng New Mstar Tech Ltd Seeks Patent for High-strength Modified High-density Polyethylene Double-wall Corrugated Pipe and Preparation Method Thereof

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shanmeng New Mstar Tech Ltd has sought patent for High-strength Modified High-density Polyethylene Double-wall Corrugated Pipe and Preparation Method Thereof. This invention was developed by Yuan Tao, Yang Bingnan, Yang Guoyuan, Yang Guozhi, Zheng Huahua, Guo Jianbing and Song Jiling. The patent applicatio..

Zhejiang Ailipu Polytron Tech Inc Applies for Patent on Low-pulsation Pipe Wheel Quantitative Conveying Device and Control Method Thereof

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Zhejiang Ailipu Polytron Tech Inc has applied Chinese patent for Low-pulsation Pipe Wheel Quantitative Conveying Device and Control Method Thereof. Wang Minghu, Luo Kaibin, Mao Wuyang, Han Shuo, Luo Ting, Hu Bairen and Xie Haitao developed it. The patent application number is CN202511180903 20250822. The p..

Guangdong Zhongxun Communication Equipment Ind Co Ltd Seeks Patent for Automatic Calibration Equipment for Hot Melting Butt Welding Seam of Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Guangdong Zhongxun Communication Equipment Ind Co Ltd has sought patent for Automatic Calibration Equipment for Hot Melting Butt Welding Seam of Pipe. This invention was developed by Yang Guotao. The patent application number is CN202511573839 20251031. The patent publication number is CN121018963 (A). Int..

Jiangsu Yitian Environmental Protection Tech Co Ltd Applies for Patent on Equipment and Method for Processing Plastic Pipe from Waste Plastic

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Jiangsu Yitian Environmental Protection Tech Co Ltd has applied Chinese patent for Equipment and Method for Processing Plastic Pipe from Waste Plastic. Tang Liang and Wang Jianzhong developed it. The patent application number is CN202511517134 20251023. The patent publication number is CN121018904 (A). Int..

State Intellectual Property Office of China Receives Yunnan Hanteng Hongchuang Construction Eng Co Ltd Patent Application for Production Device and Method for Horizontal Type Doubl..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Yunnan Hanteng Hongchuang Construction Eng Co Ltd patent application for Production Device and Method for Horizontal Type Double-rubber-ring Reinforced Concrete Pipe with Base and Flexible Connector. Wang Lei and He Jianwei developed the invention. T..

State Intellectual Property Office of China Receives Shandong Huahai Plastic Cement Building Mat Co Ltd Patent Application for Cutting Device for Plastic Pipe Machining

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Shandong Huahai Plastic Cement Building Mat Co Ltd patent application for Cutting Device for Plastic Pipe Machining. Xiong Shanrong, Gao Fan and Liu Gai developed the invention. The patent application number is CN202511514730 20251022. The patent pub..

Shanghai Jiuyu Ind Co Ltd Seeks Patent for Pipe Pile Welding Robot

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shanghai Jiuyu Ind Co Ltd has sought patent for Pipe Pile Welding Robot. This invention was developed by Shao Zhenyu. The patent application number is CN202511491455 20251018. The patent publication number is CN121018488 (A). International Patent Classification codes are B23K37/02, B25J11/00, B25J18/00 and..

State Intellectual Property Office of China Receives Suzhou Kedi Fluid Control Equipment Co Ltd Patent Application for Gate Valve Middle Pipe Flange Machining Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Suzhou Kedi Fluid Control Equipment Co Ltd patent application for Gate Valve Middle Pipe Flange Machining Device. Tian Bin and Ou Dan developed the invention. The patent application number is CN202511288907 20250910. The patent publication number is ..

Liaocheng Dev Zone Xingqing Steel Pipe Co Ltd Seeks Patent for Quick Plug Dismounting and Mounting Assembly for Seamless Steel Pipe Production

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Liaocheng Dev Zone Xingqing Steel Pipe Co Ltd has sought patent for Quick Plug Dismounting and Mounting Assembly for Seamless Steel Pipe Production. This invention was developed by Li Pu, Lang Yongkai, Yao Ziyu and Hao Liguo. The patent application number is CN202511540246 20251027. The patent publication ..

Lixian County Xiaozhi Gas Co Ltd Seeks Patent for Natural Gas Pipeline Maintenance Welding Equipment

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Lixian County Xiaozhi Gas Co Ltd has sought patent for Natural Gas Pipeline Maintenance Welding Equipment. This invention was developed by Li Xiaoyan, Li Qi and Zhang Weikang. The patent application number is CN202511271632 20250908. The patent publication number is CN121018011 (A). International Patent Cl..

Zhejiang Yian Ind Equipment Installation Co Ltd Seeks Patent for Automatic Adjusting Metal Pipeline Welding Machining Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Zhejiang Yian Ind Equipment Installation Co Ltd has sought patent for Automatic Adjusting Metal Pipeline Welding Machining Device. This invention was developed by Lu Haibing. The patent application number is CN202511463534 20251014. The patent publication number is CN121017908 (A). International Patent Cla..

Shenzhen Jingming Petroleum Equipment Dev Co Ltd Seeks Patent for Petroleum Pipe End Sealing Surface Drilling Device and Method

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shenzhen Jingming Petroleum Equipment Dev Co Ltd has sought patent for Petroleum Pipe End Sealing Surface Drilling Device and Method. This invention was developed by Shi Jingkai, Wang Ling, Zhang Zhenshen, Wang Faming, Wu Yuandong, Liu Kexin, Wang Rong and Lyu Shuting. The patent application number is CN20..

Hebei Yutian Material Tech Co Ltd Seeks Patent for High-strength Metal Pipeline Based on 3D Printing Metal Material and Manufacturing Process of High-strength Metal Pipeline

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Hebei Yutian Material Tech Co Ltd has sought patent for High-strength Metal Pipeline Based on 3D Printing Metal Material and Manufacturing Process of High-strength Metal Pipeline. This invention was developed by Chen Xiaoguang, Niu Tianxing, Dong Jiankang, Tian Haonan, Wang Tao and Li Boyuan. The patent ap..

Shanghai Changqiang Industrial Tech Co Ltd Submits Chinese Patent Application for All-fiber Die Forging Method for Titanium Alloy Reducing Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shanghai Changqiang Industrial Tech Co Ltd has submitted a patent application for All-fiber Die Forging Method for Titanium Alloy Reducing Pipe. This invention was developed by Zhou Qiqi, Zhou Juming, Wang Dongliang and Wang Dianguo. The patent application number is CN202511435486 20251009. The patent publ..

Wuhu Jingyi Metal Co Ltd Submits Chinese Patent Application for Guide High-precision Adjusting Device for Copper Pipe Production Die Holder

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Wuhu Jingyi Metal Co Ltd has submitted a patent application for Guide High-precision Adjusting Device for Copper Pipe Production Die Holder. This invention was developed by Wang Qiang, Sun Yingjie, Li Qiang, Xu Dong, Zhang Rui and Diao Wen. The patent application number is CN202511250264 20250903. The pate..

Taishan Fiberglass Inc Seeks Patent for Device and Method for Machining Sawteeth at End Part of Circular Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Taishan Fiberglass Inc has sought patent for Device and Method for Machining Sawteeth at End Part of Circular Pipe. This invention was developed by Xu Yong, Huang Yongzhe, Zhang Jian, Yang Lei, Yang Kun, Wang Chengyao, Yang Fan and Luo Handan. The patent application number is CN202511474103 20251015. The p..

State Intellectual Property Office of China Receives Anyang Forging Press Numerical Control Equipment Co Ltd Patent Application for Long Pipe End Forming Die and Forming Hydraulic ..

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Anyang Forging Press Numerical Control Equipment Co Ltd patent application for Long Pipe End Forming Die and Forming Hydraulic Machine. Liu Wei, Niu Longjiang, Wang Wei and Qin Xiuming developed the invention. The patent application number is CN20251..

State Intellectual Property Office of China Receives Jilin Yuanda Lyujian Tech Co Ltd Patent Application for Automatic Pipe Bending Machine for Circular Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Intellectual Property Office of China has received Jilin Yuanda Lyujian Tech Co Ltd patent application for Automatic Pipe Bending Machine for Circular Pipe. Chen Fei developed the invention. The patent application number is CN202511535230 20251027. The patent publication number is CN121017318 (A). In..

Shandong Pengrui Rock Drilling Tech Co Ltd Submits Patent Application for Hollow Pipe Cold Rolling Device and Process

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Shandong Pengrui Rock Drilling Tech Co Ltd has submitted a patent application for Hollow Pipe Cold Rolling Device and Process. Ma Yuanpeng and Sun Hao developed the invention. The patent application number is CN202511544247 20251028. The patent publication number is CN121017283 (A). International Patent Cl..

Guangxi Baise Industry Invest Development Group Co Ltd Seeks Patent for Distributed Ultrasonic Long Pipeline Descaling System and Method

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Guangxi Baise Industry Invest Development Group Co Ltd has sought patent for Distributed Ultrasonic Long Pipeline Descaling System and Method. This invention was developed by Qian Yong, Liao Yuanbin, Lu Chaoxian, Luo Chaoying, Li Jiaming and Lu Yubing. The patent application number is CN202510985249 202507..

Sichuan Jishi Tech Co Ltd Seeks Patent for Method and System for Detecting Defects of Small-caliber Non-metal Composite Pipe

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Sichuan Jishi Tech Co Ltd has sought patent for Method and System for Detecting Defects of Small-caliber Non-metal Composite Pipe. This invention was developed by Du Youru, Li Ruichuan, Hu Aiqin, Zhao Sicheng, Zhou Xiaoling and Yi Qi. The patent application number is CN202511227712 20250829. The patent pub..

Anhui Qianghua Electric Power Dev Co Ltd Seeks Patent for Machine Vision-based Pipeline Weld Surface Crack Automatic Identification Device

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Anhui Qianghua Electric Power Dev Co Ltd has sought patent for Machine Vision-based Pipeline Weld Surface Crack Automatic Identification Device. This invention was developed by Huang Xiangwen, Ma Yibing, Xu Cong, Lan Jin, Yang Meng and Li Jiajie. The patent application number is CN202511286609 20250910. Th..

Hubei Energy Guanggu Thermal Power Co Ltd Seeks Patent for Project Authority Management System and Steam Pipe Network Project Authority Management Method

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- Hubei Energy Guanggu Thermal Power Co Ltd has sought patent for Project Authority Management System and Steam Pipe Network Project Authority Management Method. This invention was developed by Yu Xiaomin, Yuan Xinye and Dong Xuyang. The patent application number is CN20251190001 20250805. The patent publica..

State Grid Xiongan Siji Digital Tech Co Ltd Seeks Patent for Multi-mode Collaborative Gas Pipe Network Hidden Danger Identification Method and System

Pipe

| Mon 06 Apr 2026

Beijing, April 6 -- State Grid Xiongan Siji Digital Tech Co Ltd has sought patent for Multi-mode Collaborative Gas Pipe Network Hidden Danger Identification Method and System. This invention was developed by Xie Wei, Liu Yufeng, Zhang Xiaojian, Ding Huilong, Li He and Zhang Hongge. The patent application number is CN202510850..

Jiangxi Qiannuo Construction Eng Co Ltd Submits Chinese Patent Application for Water Conservancy Pipeline Leakage Detection Method and System Based on Electromagnetic Induction

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Jiangxi Qiannuo Construction Eng Co Ltd has submitted a patent application for Water Conservancy Pipeline Leakage Detection Method and System Based on Electromagnetic Induction. This invention was developed by Xiao Peng, Zhu Mingjia, Lai Chen, Huang Shengjian, Xiong Jing and Yu Xing. The patent application..

Hubei Energy Guanggu Thermal Power Co Ltd Submits Chinese Patent Application for Steam Pipe Network State Detection Method and Device and Storage Medium

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Hubei Energy Guanggu Thermal Power Co Ltd has submitted a patent application for Steam Pipe Network State Detection Method and Device and Storage Medium. This invention was developed by Yu Xiaomin, Yuan Xinye and Dong Xuyang. The patent application number is CN20251190003 20250805. The patent publication n..

Nat Pipe Network Group North Pipeline Co Ltd Submits Patent Application for Product Oil Pipeline Multi-target Intelligent Control Method and System Based on Stage Operation

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- Nat Pipe Network Group North Pipeline Co Ltd has submitted a patent application for Product Oil Pipeline Multi-target Intelligent Control Method and System Based on Stage Operation. Li Wenhui, He Jiahuan, Wang Jinhan, Shi Jiajia and Wang Shuo developed the invention. The patent application number is CN2025..

CNOOC Shenzhen Ocean Engineering Tech Services Co Ltd Submits Chinese Patent Application for Submarine Pipeline Expansion Bent Flange Online Measuring Device

Pipe

| Sun 05 Apr 2026

Beijing, April 6 -- CNOOC Shenzhen Ocean Engineering Tech Services Co Ltd has submitted a patent application for Submarine Pipeline Expansion Bent Flange Online Measuring Device. This invention was developed by Cheng Erhui, Sun Daoqing, Wang Yantao, Zhao Bailong, Liu Yu, Huang Feng, Liu Yuexian, Zhang Yu, Hong Changjun and Jin S..

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