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09:39:16 Sat 02 May 2026

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Dalian Cosco Shipping Hea

(5)

Huaneng Qingyang Coal and

(5)

Shaanxi Youfa Steel Pipe

(5)

Anhui Shengchenyuan Mater

(4)

Chengdu Aircraft Industry

(4)

Hangzhou Underground Pipe

(4)

Nanzhi Chongqing Energy T

(4)

CCCC Third Harbour Engine

(3)

Guangdong Zhongnan Iron a

(3)

(3)

Shandong Ranyin Electrica

(3)

Shanghai Baoye Group Corp

(3)

Southwest Petroleum Unive

(3)

Wuhu Jingyi Metal Co Ltd

(3)

AECC Shenyang Engine Rese

(2)

Anhui Kangqiao Environmen

(2)

Anhui Xinlei Pipe System

(2)

Beijing Urban Constructio

(2)

CCCC-FHDI Engineering; Ch

(2)

Chaokong Shuke Shanghai T

(2)

(2)

China 22MCC Group Corpora

(2)

China Constr 8th Engineer

(2)

China Nat Offshore Oil Co

(2)

China National Heavy Mach

(2)

Epiroc Rock Drills

(2)

Fuguang Env Engineering S

(2)

Ganyeah Holding Group Co

(2)

Guangdong Dahong New Mat

(2)

Guangzhou Power Supply Bu

(2)

Hangyu Zhizao Beijing Eng

(2)

Harbin Engineering Univer

(2)

Hebei Jingbo Petroleum Ma

(2)

Hebei Special Equipment S

(2)

Huayuan Jinbo Tech Co Ltd

(2)

Hubei Dingfengda Plastic

(2)

Jiangnan Shipyard Group

(2)

Jiangxi Chenshi Tech Grou

(2)

Jinan Bodor Laser

(2)

Jinan First Construction

(2)

Jinghua Plastic Ind Co Lt

(2)

Lingman Machinery Tech Ch

(2)

Nangtong Haodi Anticorros

(2)

Nanjing Dade Steel Pipe

(2)

Nanjing Iron and Steel

(2)

No 719 Res Institute Chin

(2)

(2)

Powerchina Ecological Env

(2)

Seksun Tech Suzhou Co Ltd

(2)

Shaanxi Coal Mining Hanch

(2)

Shandong Province Water C

(2)

Shanghai Installation Eng

(2)

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(2)

Shanghai Mechanized Const

(2)

Shanghai Saxin Dongtai He

(2)

Shanghai Xinli Power Equi

(2)

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(2)

Shengli Oil Field Deli In

(2)

Shenyang Xinlian Petroche

(2)

Sumaite Intelligent Techn

(2)

Taian Yongrui Intelligent

(2)

Taiyuan University of Sci

(2)

Tianjin Youfa Pipeline Te

(2)

Tianjin Youfa Pipeline Te

(2)

Water Resources Research

(2)

Wuhan Kingbull Economic D

(2)

Wuhan Municipal Engineeri

(2)

Xi\'an Thermal Power Rese

(2)

Zhangjiagang Hongji Preci

(2)

Zhejiang Yinjia Copper Co

(2)

Zhengzhou University

(2)

(1)

AECC Xi\'an Power Control

(1)

Aiouti Shanghai Water Tec

(1)

Akan Enterprise Group (Zh

(1)

(1)

Anhui & Huaihe River Inst

(1)

Anhui Changan Intelligent

(1)

Anhui Changjiang Steel Co

(1)

Anhui Communications Serv

(1)

Anhui Quansheng Chemical

(1)

Anhui Ruiyuan Pipeline Co

(1)

Anhui Shijing Technology

(1)

Anhui Specreation Instrum

(1)

Anhui University of Scien

(1)

Anhui Weiyuan Tech Consul

(1)

Anhui Wentai New Mat Co L

(1)

Anhui Xinfu New Energy Te

(1)

Anhui Xiutong Building Ma

(1)

Anhui Zhijie New Energy A

(1)

Anhui Zhonghan High Molec

(1)

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(1)

Anyang Ruimeida Clean Ene

(1)

Aoku Hydropower Branch Hu

(1)

Aoxin Zhenjiang Marine Te

(1)

(1)

Avic Huadong Photoelectro

(1)

(1)

Baocheng Heavy Ind Co Ltd

(1)

Baode South China Shenzhe

(1)

Baoji Brother United Meta

(1)

Baoshili Shanghai New Mat

(1)

Beibu Gulf University

(1)

Beifang Weijiamao Coal Po

(1)

Beijing Composite Materia

(1)

Beijing Fortune Precision

(1)

Beijing Qianwang Tech Co

(1)

Beijing Research Institut

(1)

Beijing Shougang

(1)

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(1)

Beijing Urban Constructio

(1)

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(1)

Beijing Yingfengte Energy

(1)

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(1)

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(1)

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(1)

Bengang Steel Plates

(1)

CCCC First Highway Engine

(1)

CCCC Mechanical & Electri

(1)

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(1)

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(1)

CHN Energy Science and Te

(1)

CNOOC Energy Technology &

(1)

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(1)

COSCO Shipping Heavy Indu

(1)

(1)

CRRC Zhuzhou Electric

(1)

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(1)

CSSC Huangpu Wenchong Shi

(1)

Cad Create And Dev Ab

(1)

Caihong Display Devices

(1)

Can Oilfield Equipment Te

(1)

Cangzhou Huatao Pipe Ind

(1)

Cangzhou Huishang Pipe Fi

(1)

Caoxian Haiqing Furniture

(1)

Casic Feihang Technology

(1)

Cccc First Highway No 2 E

(1)

Cccc Shec Science And Ind

(1)

Central South University

(1)

Cgn Inspection Tech Co Lt

(1)

Changchun Equipment & Tec

(1)

Changjiang Ecology Enviro

(1)

Changshu Guoqiang Hemao T

(1)

Changshu Ruisheng Auto Pa

(1)

Changzhi Zetai Rubber & P

(1)

Changzhou Desheng Plastic

(1)

Changzhou University

(1)

Changzhou Xinneng Automat

(1)

(1)

Chengdu Chuanxing Tech Pl

(1)

Chengdu Decoration Co Ltd

(1)

Chengdu Homin Technology

(1)

Chengdu Qinchuan IoT Tech

(1)

Chengdu University of Tec

(1)

Chengxi Shipyard; Cssc Ch

(1)

Chenzhou Yuechen Pipeline

(1)

China Coal Technology Eng

(1)

China Electronics Chuangd

(1)

China Energy Engineering

(1)

China Faw Group

(1)

China Gezhouba Group No 3

(1)

China Grain Storage Cheng

(1)

China MCC20 Group Corpora

(1)

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(1)

China Metallurgical Const

(1)

China Metallurgical Jingc

(1)

China Nat Offshore Oil Co

(1)

China National Chemical E

(1)

China Nuclear Power Insti

(1)

China Shanxi Sijian Group

(1)

China Three Gorges

(1)

China Three Gorges Univer

(1)

China Three Gorges; Chang

(1)

China Tiesiju Civil Engin

(1)

China University of Geosc

(1)

China University of Geosc

(1)

China University of Minin

(1)

China Western Power Indus

(1)

China chemical engineerin

(1)

Chongqing Itln Electrical

(1)

Chongqing Jiufang Aluminu

(1)

Chongqing Research Instit

(1)

Chongqing Shipping Constr

(1)

Chongqing University

(1)

Chuzhou Jingwei Equipment

(1)

Cisdi Technology Research

(1)

Crrc Qishuyan Inst Co Ltd

(1)

Cssc Qingdao Beihai Boat

(1)

DEKUMA Rubber and Plastic

(1)

Dalian COSCO KHI Ship Eng

(1)

Dalian Dv Valve Co Ltd

(1)

Dalian University of Tech

(1)

Danyang Kore Prec Electro

(1)

Daqing Tiandezhong Petrol

(1)

Dezhou Luyou Traffic Faci

(1)

Dichuan Energy Man Beijin

(1)

Dingzhou Liqiang Sports G

(1)

Dongguan Aituo Automation

(1)

Dongguan Kefasheng Ind Co

(1)

Dongguan Xintan Hardware

(1)

Dongtai Randan Machinery

(1)

Dongying Tianshan Petrole

(1)

Dongying Xinruifeng Petro

(1)

East China University of

(1)

(1)

Erzhong (Deyang) Heavy Eq

(1)

Eslink Computing Hangzhou

(1)

(1)

Foshan Nanhai Hanhong Sew

(1)

Foshan Yiruikang Hvac Fit

(1)

Foursquare Labs

(1)

Fujian Boyang Shipbuildin

(1)

Fujian Lutong Pipe Indust

(1)

Geyi Energy Tech Foshan C

(1)

Gezhouba Explosive Co Ltd

(1)

Gongxin Construction Dev

(1)

Gree Electric Appliances,

(1)

GuangXi University

(1)

Guangdong Building Materi

(1)

Guangdong East Pipes Co L

(1)

Guangdong Global Pipe Net

(1)

Guangdong Guoyan New Mat

(1)

Guangdong Hailong Constru

(1)

Guangdong Haiwu Technolog

(1)

Guangdong Hualu Transport

(1)

Guangdong Huicheng Vacuum

(1)

Guangdong Liyuan Hydrauli

(1)

Guangdong Meizhi Precisio

(1)

Guangdong Nuclear Power J

(1)

Guangdong Pengchenhui Con

(1)

Guangdong Res Inst Water

(1)

Guangdong University of T

(1)

Guangdong Wangong Ind Co

(1)

Guangdong Wijay Material

(1)

Guangdong Xiansu Tech Gro

(1)

Guangdong Yingye Intellig

(1)

Guangdong Zhaoqing Deton

(1)

Guangzhou Installation Gr

(1)

Guangzhou Jintieniu Shelf

(1)

Guangzhou Mayer Corp Ltd

(1)

Guangzhou No 3 Municipal

(1)

Guangzhou Xingpei New Mat

(1)

Guangzhou Yizai Intellige

(1)

Guilin University of Tech

(1)

Guiyang Aluminium Magnesi

(1)

Guizhou Aerospace Fenghua

(1)

Guizhou Aerospace Xinli T

(1)

Guizhou Dongsheng Huasu P

(1)

Guizhou Wujiang Coalbed M

(1)

Guo Neng Long Yuan Power

(1)

H2c Safety Pipe Inc

(1)

HEGII Sanitary Ware Group

(1)

Handan Youfa Steel Pipe C

(1)

Hangzhou Linan Rongsheng

(1)

Hangzhou Quanjiang Transf

(1)

Hangzhou Tengyu Shuzhi Co

(1)

Haofuming Wuxi Tech Co Lt

(1)

(1)

Harbin Institute of Techn

(1)

Harbin Institute of Techn

(1)

Harbin Kaina Tech Co Ltd

(1)

Hebei Hanfeng Power Gener

(1)

Hebei Huidong Pipeline Co

(1)

Hebei Jiuhua Explor Surve

(1)

Hebei Lutong Supervision

(1)

Hebei Meikang Pipe Ind Co

(1)

Hebei Qianming Plastic Pr

(1)

Hebei University of Engin

(1)

Hebei Zebang Plastic Tech

(1)

Hefei Liangzhen Building

(1)

Hefei Shuhe Robot Tech Co

(1)

Hefei Water Group Co Ltd

(1)

Hefei Zhenhua Refrigerati

(1)

Heilongjiang Construction

(1)

Heilongjiang Institute of

(1)

Henan Delang Intelligent

(1)

Henan Fanglan Electromech

(1)

Henan Huiyuan Dev Concret

(1)

Henan Jingpeng Constructi

(1)

Henan University of Scien

(1)

Henan Yuzhi Construction

(1)

Hengshui Gengyin Rubber P

(1)

Hongshengxin New Mat Hube

(1)

(1)

Huadian Engineering

(1)

Huadian Kuche Power Gener

(1)

Huaneng Clean Energy Res

(1)

Huaneng Huajialing Wind P

(1)

Huaneng Lancang River Hyd

(1)

Huaneng Qinmei Ruijin Pow

(1)

Huaneng Shanghai Electric

(1)

Huangpu Construction Eng

(1)

Hubei Defeng Heat Exchang

(1)

Hubei Energy Group Ezhou

(1)

Hubei Energy Group Xiangy

(1)

Hubei Qingjiang Hydroelec

(1)

Hubei Xingxin Technology

(1)

Hubei Yinlun Machinery

(1)

Hubei Zhongrui Environmen

(1)

Hui Feng Electronics Rizh

(1)

Huizhou Shuozhong Thermal

(1)

Huizhou Zhonghai Hongyang

(1)

Hunan Oriental Yuhong Pip

(1)

Hunan Paipu New Mat Co Lt

(1)

Hunan University of Techn

(1)

Hunan Valin Xiangtan Iron

(1)

Hunan Xiecheng Pipe Indus

(1)

Hunan Youdu Electromechan

(1)

Hunan Zhongan Zhike Techn

(1)

Hunan Zhongjian Qipei Tec

(1)

Huzhou Enn Gas Dev Co Ltd

(1)

Huzhou Kaijin New Energy

(1)

Hynertech Co Ltd

(1)

(1)

Inner Mongolia University

(1)

Inspur Software Co Ltd

(1)

Inst Med Biology Cams

(1)

Institute of High Energy

(1)

Ips Corporation Weld On D

(1)

Jiande Huafeng Environmen

(1)

Jiangsu Aierte Instr Co L

(1)

Jiangsu Baicheng Special

(1)

Jiangsu Baodi Pipe Ind Co

(1)

Jiangsu Changbao Steel Tu

(1)

Jiangsu Changkun Intellig

(1)

Jiangsu Daocheng Pipe Ind

(1)

Jiangsu Ddbs Env Remediat

(1)

Jiangsu Dejing Pipeline S

(1)

Jiangsu Dynamic Medical T

(1)

Jiangsu FAMSUN Intelligen

(1)

Jiangsu Fasten Optoelectr

(1)

Jiangsu Haoran New Mat Co

(1)

Jiangsu High Poly New Mat

(1)

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(1)

Jiangsu Jiqing Tubing Gro

(1)

Jiangsu Juxin Petroleum S

(1)

Jiangsu Kaiaisi Auto Part

(1)

Jiangsu Leiting Prec New

(1)

Jiangsu New Sunshine Tube

(1)

Jiangsu Rongdi Pipe Indus

(1)

Jiangsu Shagang Iron and

(1)

Jiangsu Shenyuan Group

(1)

Jiangsu Taikeboman Medica

(1)

Jiangsu Taiyuan Equipment

(1)

Jiangsu University of Sci

(1)

Jiangsu Urban Water Suppl

(1)

Jiangsu Xinpeng Composite

(1)

Jiangsu Yawei Machine Too

(1)

Jiangsu Yinyang Stainless

(1)

Jiangsu Yiwenjie Fuel Inj

(1)

Jiangsu Yongsheng Air Con

(1)

Jiangsu Yuansheng High Ne

(1)

Jiangxi Dongde Environmen

(1)

Jiangxi Hanyong New Mat C

(1)

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(1)

Jiangxi Strong Tech Co Lt

(1)

Jiangxi Xinchao Tech Co L

(1)

Jiangyin Shixin Oxygen Eq

(1)

Jianyuan Zhilian Jinan Fl

(1)

Jiashan Tianhe Semiconduc

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Jiaxing City Special Equi

(1)

Jieshou Mingtai Plastic T

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Jilin Jianzhu University

(1)

Jinan City Zhangqiu Distr

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(1)

Jincheng Tianyi Casting C

(1)

Jinchuan Group; Jinchuan

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(1)

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Jinzhou Heavy Water Pump

(1)

Jiqing Tech Shanghai Co L

(1)

Jubian Xinneng Anhui Co L

(1)

Jubian Xinneng Anhui Co L

(1)

Kaifeng Municipal Man Aff

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Kaifeng Product Quality I

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Kangtai Plastic Science &

(1)

Kende Environment Tech En

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Keruijia Hubei Machinery

(1)

Kingho Coal Chemical Inne

(1)

(1)

Kraussmaffei Machinery Ch

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Kunshan Yingfan Prec Meta

(1)

(1)

Lanzhou Changtong Highway

(1)

Lanzhou Jiaotong Universi

(1)

Lanzhou University

(1)

(1)

(1)

(1)

Liaocheng Development Zon

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(1)

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(1)

(1)

Liuan Zhongcai Pipeline T

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Liuyang Fanbei Eng Instal

(1)

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(1)

(1)

Mcc Northwest Engineering

(1)

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Metinfo Beijing Co Ltd

(1)

(1)

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(1)

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Mueller Industries

(1)

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(1)

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Nanjing First Hospital

(1)

Nanjing Ouqi Machinery Eq

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Nanjing Speed Tech Co Ltd

(1)

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(1)

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(1)

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National Institutes for Q

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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)

Ningbo Peiyuan Co Ltd

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Ningbo Zhedi Municipal Co

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No 5 Eng Co Ltd Of Cccc F

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Nodal Australia Pty Ltd

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Pritchett Joseph Everett

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CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd Apply for Patent on Submarine Pipeline Scour Prediction Method Based on Multi-scale Turbulence-particle ..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd have applied Chinese patent for Submarine Pipeline Scour Prediction Method Based on Multi-scale Turbulence-particle Interaction. Qian Yuanming, Niu Honglin, Ni Qingjiu, Tan Jie, Chen Liangzhi, Shi Huqiang, Li Junhong, Xiang Song, Liu Ji..

CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd Apply for Patent on Submarine Pipeline Scouring-vibration Response Analysis Method Based on Cross-scale ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- CCCC-FHDI Engineering and China Communications Construction Malaysia Co Ltd have applied Chinese patent for Submarine Pipeline Scouring-vibration Response Analysis Method Based on Cross-scale Coupling Framework. Niu Honglin, Ni Qingjiu, Tan Jie, Chen Liangzhi, Shi Huqiang, Li Junhong, Xiang Song, Liu Jiahu, Qia..

CHN Energy Science and Technology Research Institute and National Energy Nanjing Electric Power Test Research Submit Chinese Patent Application for Steam Pipe Heating and Heat Grad..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- CHN Energy Science and Technology Research Institute and National Energy Nanjing Electric Power Test Research have submitted a patent application for Steam Pipe Heating and Heat Gradient Utilization System and Method in Quick Start-stop Process of Unit. This invention was developed by Cao Songshan, Chen Guoqing..

China Nat Offshore Oil Corp and CNOOC Res Institute Co Ltd Submit Patent Application for Method, System, Medium and Equipment for Judging Blockage Position of Natural Gas Pipeline

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- China Nat Offshore Oil Corp and CNOOC Res Institute Co Ltd have submitted a patent application for Method, System, Medium and Equipment for Judging Blockage Position of Natural Gas Pipeline. Chen Haihong, Qin Rui, Fu Qiang, Liu Yibin, Zheng Lijun, Liu Yongfei, Li Dan and Wang Yunfei developed the invention. ..

Shaanxi Space Pump & Valve Science and Tech Co Ltd and Shaanxi Aerospace Delin Science And Tech Group Co Ltd Submit Chinese Patent Application for Natural Gas Production Pipeline H..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shaanxi Space Pump & Valve Science and Tech Co Ltd and Shaanxi Aerospace Delin Science And Tech Group Co Ltd have submitted a patent application for Natural Gas Production Pipeline Heating System. This invention was developed by Lin Benchang, Yan Yaping, Chen Yunfeng, Lin Xiaoliang and Zhang Zhonghui. The pa..

Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences Apply for Patent on Corrugated Pipe Assembly and Pressure Regulating Method of Cor..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Jubian Xinneng Anhui Co Ltd and Hefei Institutes of Physical Science, Chinese Academy of Sciences have applied Chinese patent for Corrugated Pipe Assembly and Pressure Regulating Method of Corrugated Pipe Assembly. Li Cheng, Yi Delu, Zhang Qingquan, Ge Zhaobin and Sun Kun developed it. The patent application..

Shanghai Tianyang Steel Tube Co Ltd, Shanghai Tianyang Shidai Tech Co Ltd, Shanghai Yiyuan Energy Tech Co Ltd and Zhejiang Tianyang Steel Pipe Co Ltd Submit Chinese Patent Applicat..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shanghai Tianyang Steel Tube Co Ltd, Shanghai Tianyang Shidai Tech Co Ltd, Shanghai Yiyuan Energy Tech Co Ltd and Zhejiang Tianyang Steel Pipe Co Ltd have submitted a patent application for Corrosion-resistant High-flux Bimetal Metallurgy Composite Pipe and Preparation Process Thereof. This invention was develo..

Zhongheng Hongrui Construction Group Co Ltd, Hengchao Construction Eng Group Co Ltd and Fujian Zhongshengjia Construction Eng Co Ltd Submit Patent Application for Adjustable Suppor..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Zhongheng Hongrui Construction Group Co Ltd, Hengchao Construction Eng Group Co Ltd and Fujian Zhongshengjia Construction Eng Co Ltd have submitted a patent application for Adjustable Supporting Structure for Water Conservancy Pipeline Installation. Chen Zhenkai, Wang Ming, Chen Ling, Chen Jianyun, Wu Qiongxia,..

Sinohydro Bureau 11 and PowerChina Hydropower 11th Bureau Shenzhen Engineering Apply for Patent on Pipe Replacing Device for Tail of Rear Matched Trailer of Dual-mode Shield Tunnel..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Sinohydro Bureau 11 and PowerChina Hydropower 11th Bureau Shenzhen Engineering have applied Chinese patent for Pipe Replacing Device for Tail of Rear Matched Trailer of Dual-mode Shield Tunneling Machine and Pipe Replacing Construction Technology of Pipe Replacing Device. Wang Hailei, Li Jianshun, Wang Shaopeng..

Henan Huiyuan Dev Concrete Co Ltd and Huanghe Science & Technology College File Chinese Patent Application for Concrete Guide Pipe Filling Machine

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Henan Huiyuan Dev Concrete Co Ltd and Huanghe Science & Technology College have filed a patent application for Concrete Guide Pipe Filling Machine. This invention was developed by Xia Qing, Wang Kang and Wang Jingyan. The patent application number is CN202511672428 20251114. The patent publication number is ..

China Tiesiju Civil Engineering Group and Shanghai Eng Co Ltd of China Tiesiju Civil Eng Group Submit Chinese Patent Application for Self-locking Type Well Point Pipe Safe Pulling-..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China Tiesiju Civil Engineering Group and Shanghai Eng Co Ltd of China Tiesiju Civil Eng Group have submitted a patent application for Self-locking Type Well Point Pipe Safe Pulling-out Equipment and Using Method Thereof. This invention was developed by Zhao Di, Li Xin, Zhang He, Zhang Wei, Zhou Liang, Chen Jia..

Chengxi Shipyard and CSSC Chengxi Yangzhou Shipbuilding Co Ltd Apply for Patent on Ventilation Equipment for On-board Pipe Tunnel Construction

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Chengxi Shipyard and CSSC Chengxi Yangzhou Shipbuilding Co Ltd have applied Chinese patent for Ventilation Equipment for On-board Pipe Tunnel Construction. Gao Chang developed it. The patent application number is CN202511506289 20251021. The patent publication number is CN121180436 (A). International Patent ..

Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd Seek Patent for Plastic-coated Steel Pipe Production Device Capable of Dynamically Rotating and Heating

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd have sought patent for Plastic-coated Steel Pipe Production Device Capable of Dynamically Rotating and Heating. This invention was developed by Han Zhilong, Gao Zhiling, Chen Chen, Liu Wei, Li Bingshang, Li Binggang, Han Wentang and Din..

Institute of High Energy Physics, Chinese Academy of Sciences and Hefei University of Technology Seek Patent for Venturi Ejector Structure for Gas Return Pipeline of Nitrogen Phase..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Institute of High Energy Physics, Chinese Academy of Sciences and Hefei University of Technology have sought patent for Venturi Ejector Structure for Gas Return Pipeline of Nitrogen Phase Separator of Big Science Device. This invention was developed by Ge Rui, Ma Changcheng, Huo Yi, Zhang Zhihang, Ding Ran, Zha..

Xinjiang Water Resources & Hydropower Survey and Design Institute, Xinjiang Hami Dongtian Water Conservancy Group Co Ltd, Xinjiang Haoyuan Water Supply Co Ltd and China Institute o..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xinjiang Water Resources & Hydropower Survey and Design Institute, Xinjiang Hami Dongtian Water Conservancy Group Co Ltd, Xinjiang Haoyuan Water Supply Co Ltd and China Institute of Water Resources and Hydropower Research have applied Chinese patent for Prestress Steel Cylinder Concrete Pipe Protection Layer Se..

Xi'an Xingxun Intelligent Communication Tech Co Ltd and Shandong Xingxun Intelligent Tech Co Ltd Apply for Patent on Underground Pipeline Health State Assessment Method and System ..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xi'an Xingxun Intelligent Communication Tech Co Ltd and Shandong Xingxun Intelligent Tech Co Ltd have applied Chinese patent for Underground Pipeline Health State Assessment Method and System Based on Multi-source Data Fusion. Liu Jiajun, Zhang Lei, Feng Xinglong, Fang Yuping, Wang Chunyuan, Lu Yusen, Zu Jinwei..

PowerChina Huadong Engineering Corporation and Zhejiang Huadong Engineering Construction Management Co Ltd Seek Patent for Device and Method for Improving Plugging Effect of Pipeli..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- PowerChina Huadong Engineering Corporation and Zhejiang Huadong Engineering Construction Management Co Ltd have sought patent for Device and Method for Improving Plugging Effect of Pipeline Closed Water Test. This invention was developed by Liu Zhanfeng, Zhao Pan, Gao Lindong, Yu Xuequn, Huang Libao, Ma Delian ..

State Intellectual Property Office of China Releases Guangdong Wijay Material Automation System Patent Application for Pipeline Mixed Material Pneumatic Conveying Device

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Guangdong Wijay Material Automation System patent application for Pipeline Mixed Material Pneumatic Conveying Device. This invention was developed by Xu Wen and Chen Jiajun. The patent application number is CN202511635733 20251110. The patent publicati..

Zhengjiang Changxing Heliang Intelligent Equipment Files Chinese Patent Application for Machining Method of Corrugated Pipe U-turn Elbow

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Zhengjiang Changxing Heliang Intelligent Equipment has filed a patent application for Machining Method of Corrugated Pipe U-turn Elbow. This invention was developed by Li Liangyou, Cai Qianlong, Wang Zhen, Leng Yunbing and Li Qicang. The patent application number is CN202511729193 20251124. The patent publicat..

Sichuan Aerospace Changzheng Equip Manufacturing Seeks Patent for Progressive Pipe Flattening Forming Method and Device Based on Six-axis Roller Bed

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Sichuan Aerospace Changzheng Equip Manufacturing has sought patent for Progressive Pipe Flattening Forming Method and Device Based on Six-axis Roller Bed. This invention was developed by Shi Xiaohe, Tian Ye, Wang Zhen, Liu Xiu, Xie Wen, Xu Ludi and Zhi Yong. The patent application number is CN202511463864 2025..

State Intellectual Property Office of China Releases China Three Gorges University Patent Application for Pipe Fitting Bulging Device for Enhancing Magnetic Field Intensity of End ..

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released China Three Gorges University patent application for Pipe Fitting Bulging Device for Enhancing Magnetic Field Intensity of End Part of Bulging Area. This invention was developed by Qiu Li, Chen Yuhong, Zhang Jinrong, Li Mengyao, Jin Hairuo, Chen Shuo, Chu..

State Intellectual Property Office of China Releases Hebei Special Equipment Supervision and Inspection Institute Patent Application for Modular Chain Type Pipeline Circumferential..

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Hebei Special Equipment Supervision and Inspection Institute patent application for Modular Chain Type Pipeline Circumferential Scanning Device Suitable for Different Pipe Diameters. This invention was developed by Pan Yong, Zhao Qingxin, Shi Jiao, Zhen H..

Huizhou Shuozhong Thermal Technology Submits Patent Application for Bent Pipe Compression Molding Method for Radiator

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Huizhou Shuozhong Thermal Technology has submitted a patent application for Bent Pipe Compression Molding Method for Radiator. Han Fei, Chen Lei and Ji Dongdong developed the invention. The patent application number is CN202511628166 20251107. The patent publication number is CN121198864 (A). International Pat..

Xinxiang Aviation Industry Group Submits Chinese Patent Application for Bending Device for Long U-shaped Radiating Pipe

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Xinxiang Aviation Industry Group has submitted a patent application for Bending Device for Long U-shaped Radiating Pipe. This invention was developed by Wang Mingchao, Yue Chaoyuan, Li Xiaohang, Ma Yazheng and Wang Zhangxiao. The patent application number is CN202511518403 20251023. The patent publication numb..

Hangyu Zhizao Beijing Engineering Technology Seeks Patent for Unequal-wall-thickness Pipe Blank Preparing and Forming Technology

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Hangyu Zhizao Beijing Engineering Technology has sought patent for Unequal-wall-thickness Pipe Blank Preparing and Forming Technology. This invention was developed by Ruan Shangwen, Zhang Meng, Kong Xiangqian and Xie Zhiqiang. The patent application number is CN202511519540 20251023. The patent publication num..

Nanjing First Hospital Submits Patent Application for Disinfectable Excrement Collection Pipe Positioning Placement Rack

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Nanjing First Hospital has submitted a patent application for Disinfectable Excrement Collection Pipe Positioning Placement Rack. Sun Rongrong and Fang Jing developed the invention. The patent application number is CN202511601508 20251104. The patent publication number is CN121198705 (A). International Patent ..

Xi'an University of Science and Technology Submits Patent Application for Blockage Dredging Device for Extraction Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Xi'an University of Science and Technology has submitted a patent application for Blockage Dredging Device for Extraction Pipeline. Pan Hongyu, Han Mingrui, Ji Xiang, Song Shuang, He Suinan, Pan Mingyue, Li Jiahang and Zhang Tianjun developed the invention. The patent application number is CN202511551070 20251..

State Intellectual Property Office of China Releases Anhui Quansheng Chemical Patent Application for Medium-pressure Absorption Tower Gas Phase Pipeline Anti-blocking Method and Sy..

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Anhui Quansheng Chemical patent application for Medium-pressure Absorption Tower Gas Phase Pipeline Anti-blocking Method and System. This invention was developed by Wang Degui, Liu Qianlong, Cheng Fei and Fang Youyun. The patent application number is CN2..

PowerChina Chengdu Engineering Submits Chinese Patent Application for Self-cleaning Water Supply Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- PowerChina Chengdu Engineering has submitted a patent application for Self-cleaning Water Supply Pipeline. This invention was developed by Fang Cao, Xie Lang, Liu Changling and Lyu Yang. The patent application number is CN202511669754 20251114. The patent publication number is CN121198686 (A). International ..

State Intellectual Property Office of China Releases Panasonic Factory Solutions, Suzhou Patent Application for Solvent Spray Pipe Structure for Substrate Cleaning and Switching Me..

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Panasonic Factory Solutions, Suzhou patent application for Solvent Spray Pipe Structure for Substrate Cleaning and Switching Method Thereof. This invention was developed by Fu Zhaozhen, Lu Lipeng and Wu Linglong. The patent application number is CN202511..

SABIC Global Technologies Secures Patent for Pipe for Transport of Chlorinated Water

Pipe

| Fri 01 May 2026

Alexandria, May 2 -- SABIC Global Technologies has secured a patent on Pipe for Transport of Chlorinated Water. Soliman Maria, Taraiya Ajay Kumar, Degenhart Peter and Boerakker Mark Johannes developed the invention. The patent application number is US202017606477 20200430. The patent publication number is US12612982 (B2). Inter..

Hebei Lutong Supervision Consulting Files Chinese Patent Application for Steel Pipe Cutting Device for Civil Engineering Construction

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Hebei Lutong Supervision Consulting has filed a patent application for Steel Pipe Cutting Device for Civil Engineering Construction. This invention was developed by Shi Yuling, Hou Juntai, Shi Lei, Zhao Na, Zhang Bo, Xu Lulu, Guo Yingchao, Ren Yanjin, Sun Yupu and Hu Tianjin. The patent application number is C..

Zhangjiagang Hongji Precision Aluminum Technology Seeks Patent for Micro-channel Aluminum Flat Pipe Cutting Device Suitable for Different Thicknesses

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Zhangjiagang Hongji Precision Aluminum Technology has sought patent for Micro-channel Aluminum Flat Pipe Cutting Device Suitable for Different Thicknesses. This invention was developed by Fan Zhixian, Xu Bijian, Ma Yi and He Yongyi. The patent application number is CN202511406257 20250929. The patent publicati..

Suzhou City University Submits Chinese Patent Application for Fin Machining Device for Heat Pipe Radiator

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Suzhou City University has submitted a patent application for Fin Machining Device for Heat Pipe Radiator. This invention was developed by Wang Chao, Ding Tao, Liang Zhitao, Li Xudong and Cao Zhimin. The patent application number is CN202511336653 20250918. The patent publication number is CN121199139 (A). Int..

China National Heavy Machinery Research Institute Seeks Patent for Clamping and Feeding Device and Method for Pipe Rod Machining Equipment

Pipe

| Fri 01 May 2026

Beijing, May 2 -- China National Heavy Machinery Research Institute has sought patent for Clamping and Feeding Device and Method for Pipe Rod Machining Equipment. This invention was developed by Xie Fan, Ma Haikuan, Ma Hui, Xu Nenghui and Jia Xiang. The patent application number is CN202511556190 20251029. The patent publicatio..

Zhongshan CLG Automation Equipment Seeks Patent for Oil Injection Mechanism for Pipe Expansion and Pipe Expander

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Zhongshan CLG Automation Equipment has sought patent for Oil Injection Mechanism for Pipe Expansion and Pipe Expander. This invention was developed by Zhou Weiqiang, Jiang Lin, Wu Haoran, Liu Fanglong, Wu Huan and Guo Liming. The patent application number is CN202511551382 20251028. The patent publication numb..

Anhui Kangqiao Environmental Protection Technology Applies for Patent on Fixed-length Cutting Machine for Water Supply Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Anhui Kangqiao Environmental Protection Technology has applied Chinese patent for Fixed-length Cutting Machine for Water Supply Pipeline. Hu Bingqi and Wang Guotao developed it. The patent application number is CN202511322621 20250916. The patent publication number is CN121200120 (A). International Patent Clas..

Apple Granted Patent for Display Pipeline for Voltage-dependent Sub-pixel Uniformity Correction

Pipe

| Fri 01 May 2026

Alexandria, May 2 -- Apple has been granted a patent for Display Pipeline for Voltage-dependent Sub-pixel Uniformity Correction. Young Vincent Z, Chappalli Mahesh B, Yang Maofeng and Yao Weijun developed the invention. The patent application number is US202318328661 20230602. The patent publication number is US12614491 (B2). In..

State Intellectual Property Office of China Publishes Weihai Maxpower Advanced Tool Patent Application for Portable Light Pipe Wrench

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has published Weihai Maxpower Advanced Tool patent application for Portable Light Pipe Wrench. The invention was developed by Li Shigang, Wei Wenqing and Qin Wenxiu. The patent application number is CN202511617424 20251106. The patent publication number is CN12119987..

U.S. Patent and Trademark Office Awards Patent for Method for Smart Gas Pipeline Network Inspection and Internet of Things System Thereof

Pipe

| Fri 01 May 2026

Alexandria, May 2 -- U.S. Patent and Trademark Office has awarded a patent to Chengdu Qinchuan IoT Technology for Method for Smart Gas Pipeline Network Inspection and Internet of Things System Thereof. Shao Zehua, Li Yong and Zhang Lei developed the invention. The patent application number is US202318153327 20230111. The patent..

Qingdao Dezhen Heavy Industry Group Submits Chinese Patent Application for Turning Device for Steel Pipe Pole Production

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Qingdao Dezhen Heavy Industry Group has submitted a patent application for Turning Device for Steel Pipe Pole Production. This invention was developed by Wang Zhen. The patent application number is CN202511570898 20251030. The patent publication number is CN121199732 (A). International Patent Classification co..

State Intellectual Property Office of China Releases Chuzhou Jingwei Equipment Technology Patent Application for Metal Pipe Die-free Bending Method and System Based on Three-dimens..

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Chuzhou Jingwei Equipment Technology patent application for Metal Pipe Die-free Bending Method and System Based on Three-dimensional Unfolding and Segmented V-shaped Notches. This invention was developed by Xu Dan, Yuan Chenglin, Wang Feng, Xia Hongwei an..

State Intellectual Property Office of China Receives Huadian Engineering Patent Application for Maintenance System for Double Hammers of Pipe Belt Conveyor

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has received Huadian Engineering patent application for Maintenance System for Double Hammers of Pipe Belt Conveyor. Zou Wenbo, Fu Hengye, Zhu Hao, Zhang Zhansheng and Jin Jinjin developed the invention. The patent application number is CN202511457411 20251013. The p..

Zhongnan Water Engineering Files Chinese Patent Application for Dismounting and Mounting Device and Method for Water Transmission and Distribution Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Zhongnan Water Engineering has filed a patent application for Dismounting and Mounting Device and Method for Water Transmission and Distribution Pipeline. This invention was developed by Tan Lingwu, Zou Kaizhan, Jing Biao, Luo Longlong and Zhu Zhijun. The patent application number is CN202511762455 20251127. T..

Guangdong Zhaoqing Deton Submits Chinese Patent Application for Special Device for Integrated Press Fitting of Stator Assembly and Bearing of Outer Rotor Pipeline Ventilator

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Guangdong Zhaoqing Deton has submitted a patent application for Special Device for Integrated Press Fitting of Stator Assembly and Bearing of Outer Rotor Pipeline Ventilator. This invention was developed by Chen Zijie, Huang Lucai and Lin Jinqiang. The patent application number is CN202511400971 20250928. The ..

Pensando Systems Gains Patent for Methods and Systems for Running Secure Pipeline Tasks and Insecure Pipeline Tasks in the Same Hardware Entities

Pipe

| Fri 01 May 2026

Alexandria, May 2 -- United States Patent for Methods and Systems for Running Secure Pipeline Tasks and Insecure Pipeline Tasks in the Same Hardware Entities has been issued to Pensando Systems. This invention was developed by Galles Michael Brian, Matus Francis and Sabev Anton. The patent application number is US202318136157 2..

State Intellectual Property Office of China Releases Dalian COSCO KHI Ship Engineering Patent Application for Double-wall Pipe Centering Method for Dual-fuel Ship

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Dalian COSCO KHI Ship Engineering patent application for Double-wall Pipe Centering Method for Dual-fuel Ship. This invention was developed by Wang Hualu and Zhang Hua. The patent application number is CN202511747765 20251126. The patent publication numb..

Yangzhou Jixing Machinery Submits Patent Application for Machining and Positioning Device for Steel Structure Welded Pipe

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Yangzhou Jixing Machinery has submitted a patent application for Machining and Positioning Device for Steel Structure Welded Pipe. Bai Zhaoxing and Bai Peng developed the invention. The patent application number is CN202511589873 20251103. The patent publication number is CN121199548 (A). International Patent ..

Tangshan University Applies for Patent on Clamping and Positioning Device for Butt Welding of Pipes

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Tangshan University has applied Chinese patent for Clamping and Positioning Device for Butt Welding of Pipes. Wang Wei and Li Haitao developed it. The patent application number is CN202511543646 20251028. The patent publication number is CN121199545 (A). International Patent Classification codes are B23K37/00,..

South China Marine Machinery of China State Shipbuilding Files Chinese Patent Application for Hydraulic Pipe Mounting Method for Preventing Welding Deformation

Pipe

| Fri 01 May 2026

Beijing, May 2 -- South China Marine Machinery of China State Shipbuilding has filed a patent application for Hydraulic Pipe Mounting Method for Preventing Welding Deformation. This invention was developed by Liu Guisen, Hu Zhide, Pang Changyuan, Mo Rupei and Son Young-woo. The patent application number is CN202511541743 202510..

Sepcoiii Electric Power Construction Submits Chinese Patent Application for Rapid Opening Alignment Auxiliary Device for Boiler Steam Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Sepcoiii Electric Power Construction has submitted a patent application for Rapid Opening Alignment Auxiliary Device for Boiler Steam Pipeline. This invention was developed by Zhu Changlei, Li Junyi, Luo Honghui, Shi Shengzhen, Wei Chengkai, Kong Lingtao, Jiang Jianlong and Xie Fangming. The patent application..

State Intellectual Property Office of China Receives Shandong Panjin Steel Tube Manufacturing Patent Application for Full-automatic Casing Pipe Equipment

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has received Shandong Panjin Steel Tube Manufacturing patent application for Full-automatic Casing Pipe Equipment. Yu Hongtao, Wang Baojun, Liu Haijiang, Yuan Ximin and Zhu Peixin developed the invention. The patent application number is CN202511515454 20251022. The ..

Shandong Shengtong Stainless Steel Products Seeks Patent for Stainless Steel Welded Pipe Laser Welding Device

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Shandong Shengtong Stainless Steel Products has sought patent for Stainless Steel Welded Pipe Laser Welding Device. This invention was developed by Wang Liang and Cao Meng. The patent application number is CN202511714613 20251121. The patent publication number is CN121199364 (A). International Patent Classific..

Taiyuan Institute of Architecture Design & Research Submits Patent Application for Plasma Welding Machine Special for Building Fire Fighting Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Taiyuan Institute of Architecture Design & Research has submitted a patent application for Plasma Welding Machine Special for Building Fire Fighting Pipeline. Tian Yanhui, Pei Ruilin, Wu Xing and Du Jingwei developed the invention. The patent application number is CN202511462030 20251014. The patent publicatio..

Sumishige Fuhui Power Machinery Seeks Patent for Pipe Row Trepanning Equipment and Trepanning Method

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Sumishige Fuhui Power Machinery has sought patent for Pipe Row Trepanning Equipment and Trepanning Method. This invention was developed by Liang Jie, Wu Xuejun, Huang Jianning, Wei Hairong, Li Qihou and He Jinran. The patent application number is CN202511580593 20251031. The patent publication number is CN1211..

China Constr 8th Engineering Division Submits Chinese Patent Application for Pipeline Cutting Device and Pipeline Cutting Method

Pipe

| Fri 01 May 2026

Beijing, May 2 -- China Constr 8th Engineering Division has submitted a patent application for Pipeline Cutting Device and Pipeline Cutting Method. This invention was developed by Shen Qizhen, Li Kaiqiang, Tan Duo, Hua Haoyang, Xu Zihe, Li Yingtao, Lan Yanghua, Zhao Yushui, Li Pengfei, Zhou Weijie, Zuo Renliang and Huo Zerui. T..

CCCC Third Harbour Engineering Submits Chinese Patent Application for Underwater Cutting Device for Steel Pipe Pile

Pipe

| Fri 01 May 2026

Beijing, May 2 -- CCCC Third Harbour Engineering has submitted a patent application for Underwater Cutting Device for Steel Pipe Pile. This invention was developed by Li Kai, Zhou Jie, Liang Xin, Zhang Peng and Xie Jun. The patent application number is CN202511654578 20251112. The patent publication number is CN121199214 (A). I..

China chemical engineering second construction Files Chinese Patent Application for Steel Skeleton Pe Pipeline Butt Joint Construction Platform

Pipe

| Fri 01 May 2026

Beijing, May 2 -- China chemical engineering second construction has filed a patent application for Steel Skeleton Pe Pipeline Butt Joint Construction Platform. This invention was developed by Bi Jiawei, Kong Youjiang, Han Hui, Luan Chengshi and Ma Junheng. The patent application number is CN202511557146 20251029. The patent pu..

State Intellectual Property Office of China Releases Weifang Zhongyun Machinery Patent Application for Bundling Pipe Production Line

Pipe

| Fri 01 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has released Weifang Zhongyun Machinery patent application for Bundling Pipe Production Line. This invention was developed by Zhang Zekui, Zhang Shanyou and Yin Tongbao. The patent application number is CN202511760398 20251127. The patent publication number is CN1212..

Zhejiang Zhongcai Pipes Science & Technology Applies for Patent on Multi-layer Composite Wear-resistant Pipeline Production System and Production Method and Mining Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Zhejiang Zhongcai Pipes Science & Technology has applied Chinese patent for Multi-layer Composite Wear-resistant Pipeline Production System and Production Method and Mining Pipeline. Liang Zhenan, Yang Gaowei and Hu Shuaijie developed it. The patent application number is CN202511569509 20251030. The patent pub..

DEKUMA Rubber and Plastic Technology (Dongguan) Submits Patent Application for Traction Cutting Machine for Plastic Pipe Extrusion Production Line

Pipe

| Fri 01 May 2026

Beijing, May 2 -- DEKUMA Rubber and Plastic Technology (Dongguan) has submitted a patent application for Traction Cutting Machine for Plastic Pipe Extrusion Production Line. Peng Liming, Yang Lin, Hong Hongbin and Yuan Jianghua developed the invention. The patent application number is CN202511604368 20251105. The patent publica..

Wistron Granted Patent for Cooling Pipe and Cooling Assembly and Electronic Device Including the Same

Pipe

| Sat 02 May 2026

Alexandria, May 2 -- Wistron has been granted a patent for Cooling Pipe and Cooling Assembly and Electronic Device Including the Same. Huang Hsien-yi, Li Guang Zong, Chin Chih Lun and Lee Che Hao developed the invention. The patent application number is US202318310572 20230502. The patent publication number is US12615734 (B2). ..

Beijing Composite Materials Submits Patent Application for Forming Method of Hollow Reinforced Permeable Structure Composite Material Propeller Guide Pipe

Pipe

| Fri 01 May 2026

Beijing, May 2 -- Beijing Composite Materials has submitted a patent application for Forming Method of Hollow Reinforced Permeable Structure Composite Material Propeller Guide Pipe. Wang Jing, Tu Yi, Yan Chenglei, Meng Haoyu, Lyu Songfeng, Dong Han and Pang Yuexin developed the invention. The patent application number is CN2025..

State Intellectual Property Office of China Receives Nanjing Fire Protection Technology Patent Application for Self-drainage Type Fire Hose REEL

Pipe

| Sat 02 May 2026

Beijing, May 2 -- State Intellectual Property Office of China has received Nanjing Fire Protection Technology patent application for Self-drainage Type Fire Hose REEL. Xia Guoxiang, Wang Shiyuan, She Jiayang, Li Ziheng and Wang Aochen developed the invention. The patent application number is CN202511534377 20251026. The patent ..

Xiamen Special Equipment Inspection Institute and Fuzhou University Submit Chinese Patent Application for Sonar Image Recognition Device for Strait-crossing Gas Pipeline and Use Me..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xiamen Special Equipment Inspection Institute and Fuzhou University have submitted a patent application for Sonar Image Recognition Device for Strait-crossing Gas Pipeline and Use Method of Sonar Image Recognition Device. This invention was developed by Fu Xibin, Zhong Shuncong, Zou Zhijian, Feng Ligang, Fan Ch..

Shanghai Chemical Ind Park Common Corridor Co Ltd and Harbin Institute of Technology, Weihai Submit Chinese Patent Application for Pipe Gallery Defect Detection Method of YOLO Mode..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Shanghai Chemical Ind Park Common Corridor Co Ltd and Harbin Institute of Technology, Weihai have submitted a patent application for Pipe Gallery Defect Detection Method of YOLO Model Based on Improved Model Compression Technology. This invention was developed by Sun Hua, Fang Shiqi, Xie Wei, Shi Zhiqiang, Du B..

Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology Submit Chinese Patent Application for Electromagnetic and Hydraulic Integrat..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Nanning Guidian Electronic Technology Research Institute and Guilin University of Electronic Technology have submitted a patent application for Electromagnetic and Hydraulic Integrated Forming Equipment and Process for Pipes and Plates. This invention was developed by Ma Jianping, Zhang Shanqun, Pang Saisai, Xi..

South China University of Technology and Guangdong Newidea Tech Co Ltd Submit Chinese Patent Application for Automatic Shaping Equipment and Method for Heat Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- South China University of Technology and Guangdong Newidea Tech Co Ltd have submitted a patent application for Automatic Shaping Equipment and Method for Heat Pipe. This invention was developed by Zhang Saijun, Zhao Tongtao, Li Yong, Zhang Zengjian and Chen Hanyin. The patent application number is CN20251139..

Sinoso Science And Tech Inc and Jiangsu Zhongsu Water Saving Tech Co Ltd Submit Chinese Patent Application for Production Mold for Improving Strength of PE (polyethylene) Ribbed Pi..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Sinoso Science And Tech Inc and Jiangsu Zhongsu Water Saving Tech Co Ltd have submitted a patent application for Production Mold for Improving Strength of PE (polyethylene) Ribbed Pipe. This invention was developed by Song Chengfa, Yan Aizhong, Zhang Yuan, Zhou Kang and Guo Qiang. The patent application numb..

China University of Geosciences, Beijing and Xi'an Research Institute of China Coal Technology & Engineering Group Submit Patent Application for Preparation Device and Use Method o..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China University of Geosciences, Beijing and Xi'an Research Institute of China Coal Technology & Engineering Group have submitted a patent application for Preparation Device and Use Method of Porous Polymer Screen Pipe for Gas Extraction Hole. Zhang Guobiao, Zhang Xiaofang, Wang Chuanliu, Sun Youhong, Ma Shaomi..

Zhejiang Guangchuan Engineering Consulting and Zhejiang Guangchuan Intelligent Water Operation Man Co Ltd Submit Chinese Patent Application for Novel Device for Taking Old Steel Wi..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Zhejiang Guangchuan Engineering Consulting and Zhejiang Guangchuan Intelligent Water Operation Man Co Ltd have submitted a patent application for Novel Device for Taking Old Steel Wire in Inverted Drooping Pipe. This invention was developed by Xu Gang, Gao Shang, Dai Chunhua, Xiong Zhifu, Li Hongqiang, Ge Guoch..

Hunan Valin Xiangtan Iron & Steel and Northeastern University Submit Chinese Patent Application for Production Method of Thick-wall Pipeline Steel X65MS for Polar Region

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Hunan Valin Xiangtan Iron & Steel and Northeastern University have submitted a patent application for Production Method of Thick-wall Pipeline Steel X65MS for Polar Region. This invention was developed by Yang Jianhua, Liu Jiwen, Gao Qing, Wang Bin, Li Zhongping, Tian Yong, Wang Bingxing, Wang Jiming, Xiong Xia..

Foshan Nanhai Hanhong Sewage Treat System Management Co Ltd and Grandblue Environment Submit Chinese Patent Application for Self-closing Electric Municipal Pipeline Flap Valve

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Foshan Nanhai Hanhong Sewage Treat System Management Co Ltd and Grandblue Environment have submitted a patent application for Self-closing Electric Municipal Pipeline Flap Valve. This invention was developed by He Jintao, Tan Suyun, Chen Lixin, Zhang Zhibo, Liang Guangyao and Chen Hualiu. The patent applicat..

Guangdong Liyuan Hydraulic Mach Co Ltd and Guangdong Sibada Heavy Industry Tech Co Ltd Submit Patent Application for Quick Piling Method for Steel Pipe Piles in Wading Area and Und..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Guangdong Liyuan Hydraulic Mach Co Ltd and Guangdong Sibada Heavy Industry Tech Co Ltd have submitted a patent application for Quick Piling Method for Steel Pipe Piles in Wading Area and Underwater Self-locking Piling System. Wei Guobao, Wei Zhijian and Pang Judong developed the invention. The patent applica..

State Intellectual Property Office of China Releases Hebei Special Equipment Supervision and Inspection Institute Patent Application for Pipeline Leakage Positioning Method and Dev..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released Hebei Special Equipment Supervision and Inspection Institute patent application for Pipeline Leakage Positioning Method and Device. This invention was developed by Li Ning, Wu Jiapeng, Fu Minghui, Wei Xiaojin, Wang Chenyang, Wang Aihua, Teng Wei and Liu X..

Shanghai Baoye Group Corporation Files Chinese Patent Application for Insulation Device and Method for Positive Electrode Connecting Wire Pipe of Electroosmosis Anti-permeability a..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Shanghai Baoye Group Corporation has filed a patent application for Insulation Device and Method for Positive Electrode Connecting Wire Pipe of Electroosmosis Anti-permeability and Moisture-proof System. This invention was developed by Xu Zijing, Hu Weixiong, Zhang Mengran, Kang Jianning, Chen Peng, Yu Shen, Li..

Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute Files Chinese Patent Application for Automatic Operation Control Method and ..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute has filed a patent application for Automatic Operation Control Method and System for Low-vacuum Pipeline Magnetic Levitation Center. This invention was developed by Mao Kai, Li Shaowei, Zhang Zhihao, Wang Son..

China Electronics Chuangda Construction Equipment Technology Submits Chinese Patent Application for Through-wall Sealing Module for Cable Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 1 -- China Electronics Chuangda Construction Equipment Technology has submitted a patent application for Through-wall Sealing Module for Cable Pipeline. This invention was developed by Feng Jiayi, Wang Xingwang, Wang Xiaoyong, Du Fenghua, Liu Jie and Liu Mingxian. The patent application number is CN202511546132 202..

Heilongjiang Institute of Construction Technology Submits Chinese Patent Application for Assembly Type Building Electrical Pipeline Integrated Connecting Device and Installation Me..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Heilongjiang Institute of Construction Technology has submitted a patent application for Assembly Type Building Electrical Pipeline Integrated Connecting Device and Installation Method Thereof. This invention was developed by Dong Juan, Wu Guizhou, Wang Zipeng, Jing Yanfeng and Zhang Xianliang. The patent appl..

State Intellectual Property Office of China Publishes Hubei Qingjiang Hydroelectric Development Patent Application for Heavy-load Connector with Double-layer Flame-retardant Hose

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has published Hubei Qingjiang Hydroelectric Development patent application for Heavy-load Connector with Double-layer Flame-retardant Hose. The invention was developed by Xu Chongqing, Liu Jinlu, Yang Zhenhui, Yan Miao, Wang Yong, Wen Yong, Zhu Yingquan, Meng Yubin, Y..

State Intellectual Property Office of China Releases University of Science and Technology Beijing Patent Application for Pipe Network Safety Accident Emergency Rescue Evaluation Me..

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- State Intellectual Property Office of China has released University of Science and Technology Beijing patent application for Pipe Network Safety Accident Emergency Rescue Evaluation Method and System. This invention was developed by Wang Anhu, Jiang Huiling, An Lu, Yu Zhijing, Bian Huiting, Yang Jianhong and Wa..

Xuzhou Global Prec Steel Tube Co Ltd Applies for Patent on Precise Seamless Steel Pipe Cold Drawing Process Quality Online Evaluation Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Xuzhou Global Prec Steel Tube Co Ltd has applied Chinese patent for Precise Seamless Steel Pipe Cold Drawing Process Quality Online Evaluation Method. Tang Yu, Liu Bisheng, Sun Zhaosong, Zhu Zhencai, Xu Hui, Fan Tianjin, Lu Hao and Zhou Fei developed it. The patent application number is CN202511198127 202508..

Guangdong Pengchenhui Construction Co Ltd Submits Chinese Patent Application for Pipe Section Adjusting Device and Method for Electromechanical Engineering Construction

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Guangdong Pengchenhui Construction Co Ltd has submitted a patent application for Pipe Section Adjusting Device and Method for Electromechanical Engineering Construction. This invention was developed by Yu Dianhua, Liu Ping, Zhao Guojun, Jiang Nengfei, Wang Chunlong and Zhang Shenghong. The patent application..

Qingdao Special Steel Submits Patent Application for Steam Pipeline Pressure Control Method

Pipe

| Thu 30 Apr 2026

Beijing, May 1 -- Qingdao Special Steel has submitted a patent application for Steam Pipeline Pressure Control Method. Yin Mingsheng, Liu Baolong, Zhou Junmin and Xu Zengfei developed the invention. The patent application number is CN202511324754 20250916. The patent publication number is CN121187376 (A). International Patent C..

Guangdong University of Technology Files Chinese Patent Application for Vibrating Type Drain Pipe Crystal Removal Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Guangdong University of Technology has filed a patent application for Vibrating Type Drain Pipe Crystal Removal Device. This invention was developed by Lyu Jianbing, Chen Jiahao, Shao Ying, Feng Li and Li Guohui. The patent application number is CN202511741424 20251125. The patent publication number is CN12118..

Huaneng Huajialing Wind Power Generation Co Ltd Submits Patent Application for Sand Discharging Device for Long-distance High-sand-content Water Conveying Pipeline

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Huaneng Huajialing Wind Power Generation Co Ltd has submitted a patent application for Sand Discharging Device for Long-distance High-sand-content Water Conveying Pipeline. Li Neng'an, Wu Peize, Yang Haowen, Ren Yugang, Zhang Yang and Wang Meidong developed the invention. The patent application number is CN2..

State Intellectual Property Office of China Receives Guo Neng Long Yuan Power Tech & Engineering Co Ltd Patent Application for Supporting Method for Foundation Pit on Outer Side of..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- State Intellectual Property Office of China has received Guo Neng Long Yuan Power Tech & Engineering Co Ltd patent application for Supporting Method for Foundation Pit on Outer Side of Circulating Water Pipeline. Liu Zengwen, Fu Yao and Liu Sijia developed the invention. The patent application number is CN20..

Zhejiang Hongchao Construction Group Co Ltd Submits Patent Application for Prestressed Concrete Pipe Pile Static Pressure Device and Construction Technology

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Zhejiang Hongchao Construction Group Co Ltd has submitted a patent application for Prestressed Concrete Pipe Pile Static Pressure Device and Construction Technology. Jiang Jianbo, Ji Peichun, Ding Liwei, Song Longlong, Tong Pengwu, Zhang Qicheng, Bo Qichen, Hong Guangfa and Wu Yanlei developed the invention. ..

Municipal Environmental Construction of CREC Submits Patent Application for Static Pressure Prestressed Pipe Pile Installation Construction Device

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Municipal Environmental Construction of CREC has submitted a patent application for Static Pressure Prestressed Pipe Pile Installation Construction Device. Zheng Tianyang, Wang Chunchao, Wang Xiao, Zhang Kaixuan and Xin Benbin developed the invention. The patent application number is CN202511200067 20250826. T..

PowerChina Zhenchong Construction Engineering Submits Patent Application for Equipment for Constructing Vibro-replacement Stone Column by Adopting Sealed Telescopic Guide Pipe Unde..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- PowerChina Zhenchong Construction Engineering has submitted a patent application for Equipment for Constructing Vibro-replacement Stone Column by Adopting Sealed Telescopic Guide Pipe Under Height Limiting Condition. Yao Junping, Lu Wei, Wang Guozhong and Wang Chengjun developed the invention. The patent appli..

Jiangyin Shixin Oxygen Equipment Co Ltd Files Chinese Patent Application for Oxidation Negative Pressure Energy-saving Circulating Pipeline System and Method

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Jiangyin Shixin Oxygen Equipment Co Ltd has filed a patent application for Oxidation Negative Pressure Energy-saving Circulating Pipeline System and Method. This invention was developed by Zhang Shijun. The patent application number is CN202511668853 20251114. The patent publication number is CN121183385 (A)..

Suzhou Luokelai Tech Co Ltd Applies for Patent on Ultra-long Pipeline Inner Wall Global Laser Cladding Process and Equipment

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Suzhou Luokelai Tech Co Ltd has applied Chinese patent for Ultra-long Pipeline Inner Wall Global Laser Cladding Process and Equipment. Cao Feng, Yu Qinwei, Pan Yong, Lu Houlong and Yang Minghui developed it. The patent application number is CN202511737947 20251125. The patent publication number is CN12118333..

Taiyuan University of Science and Technology Submits Chinese Patent Application for Novel Low-C Low-Cr Corrosion-resistant Pipeline Steel Plate, Preparation Method and Pipeline Ste..

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Taiyuan University of Science and Technology has submitted a patent application for Novel Low-C Low-Cr Corrosion-resistant Pipeline Steel Plate, Preparation Method and Pipeline Steel Pipe. This invention was developed by Zhang Shaohua, Li Yurui, Wei Yinghui, Liu Baosheng, Hou Lifeng, Zhang Yuezhong and Wu Pengp..

Shaanxi Pulimei Material Tech Co Ltd Submits Patent Application for Device and Method for Forming Cloth Clamping Rubber Blanking Cap of Solid Rocket Engine Jet Pipe

Pipe

| Fri 01 May 2026

Beijing, May 1 -- Shaanxi Pulimei Material Tech Co Ltd has submitted a patent application for Device and Method for Forming Cloth Clamping Rubber Blanking Cap of Solid Rocket Engine Jet Pipe. Yang Xubin, Qin Feng, Tian Haifeng, Li Long and Liu Langlang developed the invention. The patent application number is CN202511725804 2..

Changchun Equipment & Technology Research Institute and Shenyang University of Technology Apply for Patent on Working Size and Process Parameter Optimization Method for Metal Pipe ..

Pipe

| Wed 29 Apr 2026

Beijing, April 30 -- Changchun Equipment & Technology Research Institute and Shenyang University of Technology have applied Chinese patent for Working Size and Process Parameter Optimization Method for Metal Pipe Power Spinning Die. Huang Tao, Guo Yaming, Ma Xiaoliang, Ma Shuai, Guo Li, Zheng Hongwei, Zheng Wentao, Zhang Zhiyuan..

China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd Seek Patent for CO2 Pipeline Crack Arrest Toughness Prediction Method and System, Processing Equipment and Sto..

Pipe

| Wed 29 Apr 2026

Beijing, April 30 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have sought patent for CO2 Pipeline Crack Arrest Toughness Prediction Method and System, Processing Equipment and Storage Medium. This invention was developed by Yin Hanjun, Feng Xianhong, Li Yancheng, Jia Lusheng, Huang Jun, Ni Kankan, So..

National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd File Chinese Patent Application for Long-period Service Pipeline Safety..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- National Petroleum Pipeline Network Group and National Pipe Network Group Engineering Tech Innovation Co Ltd have filed a patent application for Long-period Service Pipeline Safety State Evaluation Method, Device and Equipment and Storage Medium. This invention was developed by Zuo Yong, Pang Xinfeng, Sun Li..

Jinan Energy Engineering Group and Shandong University Submit Chinese Patent Application for Supporting System for Pipe Jacking Working Well and Construction Method

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Jinan Energy Engineering Group and Shandong University have submitted a patent application for Supporting System for Pipe Jacking Working Well and Construction Method. This invention was developed by Cao Yun, Guo Feng, Shi Chao, Kou Lei, Zhang Zongtong, Pan Fuyong, Zhao Yanpeng, Gao Tiangang and Shi Na. T..

Huaneng Qinmei Ruijin Power Generation and Special Equipment Inspection And Testing Institute Of Jiangxi Provincial Inspection And Testing Institute File Chinese Patent Application..

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Huaneng Qinmei Ruijin Power Generation and Special Equipment Inspection And Testing Institute Of Jiangxi Provincial Inspection And Testing Institute have filed a patent application for Oxide Skin Inhibition Method of High-chromium Heat-resistant Steel for High-temperature Steam Pipeline of Boiler and Applica..

Yanshan University and Aerosun Corporation Submit Chinese Patent Application for Stainless Steel Corrugated Pipe Electric Pulse On-line Treatment Device and Method

Pipe

| Thu 30 Apr 2026

Beijing, April 30 -- Yanshan University and Aerosun Corporation have submitted a patent application for Stainless Steel Corrugated Pipe Electric Pulse On-line Treatment Device and Method. This invention was developed by Yan Meng, Wang Mengye, Liu Yong, Huang Huagui, Li Kun, Ma Yuemin, Liu Zelong, Zhu Guangsong and Xue Xiongjian...

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