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06:32:15 Thu 02 Apr 2026

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Gree Electric Appliances,

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(3)

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(3)

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(3)

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(3)

(3)

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(3)

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(3)

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(3)

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(3)

(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

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(2)

(2)

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(2)

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(2)

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(2)

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(2)

(2)

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(2)

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(2)

(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)

(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)

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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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China Three Gorges Constr

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(1)

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(1)

China Unicom Henan Ind In

(1)

China University of Geosc

(1)

China University of Minin

(1)

Chine Young Co Ltd

(1)

Chinese Energy Group Suqi

(1)

Chizhou University; Anhui

(1)

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(1)

Chongqing University

(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)

Coking Coal Cleaning Util

(1)

DEC Dongfeng Electric Mac

(1)

(1)

Dalian COSCO KHI Ship Eng

(1)

Dalian Guoji United Tech

(1)

Dalian Huarui Int Enginee

(1)

Dalian Yiduo Piping Co Lt

(1)

Danyang Tianwo Casting Co

(1)

Daoyunai Energy Saving Te

(1)

Datang Shantou New Energy

(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)

Disablement Tech And Cons

(1)

(1)

Dongfeng Motor Group

(1)

Dongguan Sunriselaser Tec

(1)

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(1)

Dongying Weilian Chemical

(1)

East Seal Tech Jiangsu Co

(1)

Electric Power Science Re

(1)

(1)

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(1)

Fangchenggang Zhongyi Hea

(1)

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(1)

(1)

Foshan Anquan Energy Savi

(1)

Foshan Boyu Metal Tech Co

(1)

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(1)

Foshan Midea Chungho Wate

(1)

Foshan Nanhai Qifeng Stee

(1)

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(1)

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(1)

Fudan University

(1)

Fudan University; Shangha

(1)

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(1)

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(1)

Fuxing Tech Group Co Ltd

(1)

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(1)

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(1)

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(1)

Global Ocean Eng Tianjin

(1)

Global Ocean Eng Tianjin

(1)

(1)

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(1)

Gree Electric Appliances,

(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)

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(1)

Guangzhou Ruifeng Soft Co

(1)

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(1)

Guizhou University

(1)

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(1)

Guoneng Baotou Energy Co

(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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Hawthorne Holdings Pty Lt

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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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Hengtong Ocean Eng Co Ltd

(1)

Hengyang Valin Steel Tube

(1)

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(1)

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Guotun Coal Mine of Linyi Mining Group Heze Coal & Electricity Submits Chinese Patent Application for Detachable Wrench for Oil Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Guotun Coal Mine of Linyi Mining Group Heze Coal & Electricity has submitted a patent application for Detachable Wrench for Oil Pipe. This invention was developed by Zheng Zhongming, Wang Minghui, Yang Shuangshuang, Sang Zhonglei, Zheng Jiankai, Wu Wenlong and Yue Xingbing. The patent application number is C..

Tianjin Hengyun Cold Rolling Precision Seamless Steel Tube Submits Patent Application for Efficient Rust Removal Device for Seamless Steel Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Tianjin Hengyun Cold Rolling Precision Seamless Steel Tube has submitted a patent application for Efficient Rust Removal Device for Seamless Steel Pipe. Zhang Yuzhong developed the invention. The patent application number is CN20251131699 20250725. The patent publication number is CN120886159 (A). Internatio..

State Intellectual Property Office of China Publishes Zhejiang Zhongda New Materials Patent Application for Steel Pipe Inner Wall Treatment Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has published Zhejiang Zhongda New Materials patent application for Steel Pipe Inner Wall Treatment Equipment. The invention was developed by Wang Yuesheng, Gao Huaping, Wang Xuejun, Gan Jianjun and Huang Zhenxuan. The patent application number is CN202511414935 20..

China 22MCC Group Corporation Applies for Patent on Coke Oven Basement Horizontal Row Pipe and Flange Welding Positioning Device and Positioning Method

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- China 22MCC Group Corporation has applied Chinese patent for Coke Oven Basement Horizontal Row Pipe and Flange Welding Positioning Device and Positioning Method. Feng Jinpeng, Sun Xiaotao and Xing Qiya developed it. The patent application number is CN20251144476 20250729. The patent publication number is CN1..

State Intellectual Property Office of China Receives Shanghai Installation Engineering Group Patent Application for Positioning Equipment for Short Pipe Flange Welding

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has received Shanghai Installation Engineering Group patent application for Positioning Equipment for Short Pipe Flange Welding. Zhang Ningbo, Wang Jianbo, Xu Guangming, Wu Zengqiang, Jiang Huina, Wang Yanchun, Chen Guoqing and Xu Zhihui developed the invention. Th..

State Intellectual Property Office of China Publishes Shandong Liweiyuan Building Technology Patent Application for Steel Pipe Beam Welding Operation Platform

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has published Shandong Liweiyuan Building Technology patent application for Steel Pipe Beam Welding Operation Platform. The invention was developed by Zhang Zuoli. The patent application number is CN202511128569 20250813. The patent publication number is CN12088595..

Nanjing University of Science & Technology Submits Chinese Patent Application for Detonation Positioning Device Suitable for Pipe/pipe Rod Explosive Cladding

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Nanjing University of Science & Technology has submitted a patent application for Detonation Positioning Device Suitable for Pipe/pipe Rod Explosive Cladding. This invention was developed by Yang Ming, Li Yuan, Wang Jinxiang, Zheng Hao and Ebisu Jinglong. The patent application number is CN202511209382 20250..

Yangzhou Jixing Machinery Submits Chinese Patent Application for Thick-wall Longitudinal Welded Pipe Machining Supporting Seat

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Yangzhou Jixing Machinery has submitted a patent application for Thick-wall Longitudinal Welded Pipe Machining Supporting Seat. This invention was developed by Bai Zhaoxing and Bai Peng. The patent application number is CN202511235857 20250901. The patent publication number is CN120885822 (A). International ..

Offshore Oil Engineering Files Chinese Patent Application for Tool and Method for Cutting Saddle Opening of Process Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Offshore Oil Engineering has filed a patent application for Tool and Method for Cutting Saddle Opening of Process Pipeline. This invention was developed by Liang Chao, Chen Lin, Zhang Zeqing, Liu Chao, Chen Rui, Yu Jianhua, Luo Bingyang, Liu Hanwu, Zhao Shouwei, Hu Shanqun, Li Xuguang, Liu Tonghui, Liu Likun ..

Jiangsu Shuaijing Technology Submits Patent Application for Steel Pipe Thread Machining Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Jiangsu Shuaijing Technology has submitted a patent application for Steel Pipe Thread Machining Equipment. Sun Zhong and Zhou Yaqiong developed the invention. The patent application number is CN202510926986 20250707. The patent publication number is CN120885778 (A). International Patent Classification codes ..

Qingshan Steel Pipe Seeks Patent for Automatic Cutting and Forming Device for Stainless Steel Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Qingshan Steel Pipe has sought patent for Automatic Cutting and Forming Device for Stainless Steel Pipe. This invention was developed by Cao Xinming, Xie Yi, Chen Fanhu, Shao Bindi and Wu Kang. The patent application number is CN202511306137 20250912. The patent publication number is CN120885747 (A). Interna..

State Intellectual Property Office of China Releases Shenzhen Xinxinteng Technology Patent Application for Discharging Device and Pipe Bending Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has released Shenzhen Xinxinteng Technology patent application for Discharging Device and Pipe Bending Equipment. This invention was developed by Zheng Guorong, Huang Dejin, Xiong Kai and Wu Yushen. The patent application number is CN202511424175 20250930. The pate..

Anhui Sailing Special Material Technology Files Chinese Patent Application for Stainless Steel Pipe Rounding and Shaping Device

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Anhui Sailing Special Material Technology has filed a patent application for Stainless Steel Pipe Rounding and Shaping Device. This invention was developed by Zhao Chunlin, Liu Xiaoqin, Liu Quanlin, Wu Su and Liu Shuang. The patent application number is CN20251189189 20250805. The patent publication number i..

State Intellectual Property Office of China Receives Shandong Jinqu Design Consulting Group Patent Application for Pull-type Water Supply and Drainage Pipeline Cleaning Device

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has received Shandong Jinqu Design Consulting Group patent application for Pull-type Water Supply and Drainage Pipeline Cleaning Device. Li Suying, Gong Shuyan, Yang Qiang, Yu Lijun, Wu Jingjing and Guo Fangjun developed the invention. The patent application number..

Ningbo Fangli Technology Files Chinese Patent Application for Continuous Melt Compensation Type Thick-wall Plastic Pipe Extrusion Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- Ningbo Fangli Technology has filed a patent application for Continuous Melt Compensation Type Thick-wall Plastic Pipe Extrusion Equipment. This invention was developed by Wu Jianxin and Wang Li. The patent application number is CN202511198937 20250826. The patent publication number is CN120886446 (A). Intern..

State Intellectual Property Office of China Releases Era Inc Patent Application for Multi-section Type Core Pulling Structure of Large-radian Bent Pipe Mold

Pipe

| Wed 01 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has released Era Inc patent application for Multi-section Type Core Pulling Structure of Large-radian Bent Pipe Mold. This invention was developed by Wang Xiao, Jiang Ting, Xie Fuqing, Chen Zhiwei and Zhou Zhengjie. The patent application number is CN202511397362 2..

Shenzhen General Institute Architectural Design & Research Files Chinese Patent Application for Method and Device for Determining Length of Electrical Pipe

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Shenzhen General Institute Architectural Design & Research has filed a patent application for Method and Device for Determining Length of Electrical Pipe. This invention was developed by Liao Xin, Qin Jianhua and Li Ping. The patent application number is CN202510950284 20250710. The patent publication number..

State Intellectual Property Office of China Releases Huaneng Jingmen Thermal Power Patent Application for Cable Protection Pipe Joint

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has released Huaneng Jingmen Thermal Power patent application for Cable Protection Pipe Joint. This invention was developed by Jia Pengwei, Zhao Xianghui, Liu Zhenyu, Liu Hailong, Zhu Guangzhou, Huang Tao, Li Li, Wang Fei, Liu Wei, Yang Xiaofeng, Zhou Hu, Zhang Lei,..

Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute Submits Patent Application for Wireless Communication Grounding System for U..

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Casic Feihang Technology Research Institute of Casia Haiying Mechanical & Electronic Research Institute has submitted a patent application for Wireless Communication Grounding System for Ultra-high-speed Magnetic Levitation Traffic Line of Low-vacuum Pipeline. Kang Ying, Mao Kai, Dong Hang, Li Shaowei, Wei Ke..

State Intellectual Property Office of China Publishes Wuhan Ruixin Specialty Fiber Patent Application for Method and Device for Detecting Wall Thickness of Transparent Pipe

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has published Wuhan Ruixin Specialty Fiber patent application for Method and Device for Detecting Wall Thickness of Transparent Pipe. The invention was developed by Nie Chuanjie, Wei Zhongcheng, Li You, Ye Ziwen, Wei Feng, Zheng Hanmu, Liu Rui and Yan Dapeng. The p..

Zhangjiagang Uchen New Energy Submits Chinese Patent Application for Simulation Analysis Method of High-power Charging Gun Based on Liquid Cooling Pipeline

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Zhangjiagang Uchen New Energy has submitted a patent application for Simulation Analysis Method of High-power Charging Gun Based on Liquid Cooling Pipeline. This invention was developed by Song Gaojun, Wang Jiandong and Xi Tianyang. The patent application number is CN20251124351 20250724. The patent publicat..

Harbin Engineering University Seeks Patent for Performance Calculation Method and System for Impedance Combined Type Pipeline Silencer Based on Transfer Matrix Neural Network

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Harbin Engineering University has sought patent for Performance Calculation Method and System for Impedance Combined Type Pipeline Silencer Based on Transfer Matrix Neural Network. This invention was developed by Liu Chen, Wu Zexi, Chen Huilin, Peng Runze, Cao Yipeng, Zhang Xinyu and Guo Jie. The patent appl..

State Intellectual Property Office of China Publishes DEC Dongfeng Electric Machinery Patent Application for Water Distribution Ring Pipe Rigidity and Strength Analysis Method Cons..

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has published DEC Dongfeng Electric Machinery patent application for Water Distribution Ring Pipe Rigidity and Strength Analysis Method Considering Non-uniform Pipe-soil Gaps. The invention was developed by Zhao Honglei, Liang Quanwei, He Qiyuan, Wang Shijian, Zhou ..

ASRC Underground Space Technology Development Submits Chinese Patent Application for Pipe Network-based Automatic Modeling and Matching Method for Adjunct Well

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- ASRC Underground Space Technology Development has submitted a patent application for Pipe Network-based Automatic Modeling and Matching Method for Adjunct Well. This invention was developed by Yang Xiaohua, Zhao Yapeng, Zhang Gong, Zheng Wenqing, Chen Zishen and Chen Xing. The patent application number is ..

Guangdong Angwei Environmental Protection Industrial Applies for Patent on Efficient Prediction Method and System for Pipe Network Operation and Maintenance Data

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Guangdong Angwei Environmental Protection Industrial has applied Chinese patent for Efficient Prediction Method and System for Pipe Network Operation and Maintenance Data. Wang Changhong, Yan Xiaolun, Liu Dawei, Deng Qindou and Tian Xinhua developed it. The patent application number is CN20251184023 20250804..

State Intellectual Property Office of China Publishes China National Heavy Machinery Research Institute Patent Application for System and Method for Controlling Immersion Depth of ..

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has published China National Heavy Machinery Research Institute patent application for System and Method for Controlling Immersion Depth of Immersion Pipe of Rh Refining Furnace in Molten Steel. The invention was developed by Jiao Zhiyuan, Zhao Teng, Dong Bo, Yang Z..

Shandong Guowei Iron and Steel Submits Patent Application for High-frequency Welded Pipe Production Quality On-line Monitoring Intelligent Diagnosis System

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Shandong Guowei Iron and Steel has submitted a patent application for High-frequency Welded Pipe Production Quality On-line Monitoring Intelligent Diagnosis System. Ren Shilei, Zhang Qi and Song Leimin developed the invention. The patent application number is CN20251141149 20250728. The patent publication nu..

State Intellectual Property Office of China Releases The Boiler & Pressure Vessel Inspection Institute of Henan Province Patent Application for Portable Weak Magnetic Detection Sys..

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- State Intellectual Property Office of China has released The Boiler & Pressure Vessel Inspection Institute of Henan Province patent application for Portable Weak Magnetic Detection System for Oil and Gas Pipeline. This invention was developed by Sun Yuling, Cao Lumei, Yu Mingtao, Guo Yong, Fang Weifeng, Liu P..

Jiangsu Jinrun Intelligent Equipment Submits Chinese Patent Application for Steel Pipe Surface Defect Detection Equipment

Pipe

| Thu 02 Apr 2026

Beijing, April 2 -- Jiangsu Jinrun Intelligent Equipment has submitted a patent application for Steel Pipe Surface Defect Detection Equipment. This invention was developed by Zhang Huijun, Wang Yahui, Liu Yong, Shen Weiming and Xiao Yuanjie. The patent application number is CN202511363377 20250923. The patent publication number..

Henan Provincial People's Hospital and Henan Tuoren Medical Technology Apply for Patent on Pump Pipe Assembling Device and Pump Pipe Production Line Using Same

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Henan Provincial People's Hospital and Henan Tuoren Medical Technology have applied Chinese patent for Pump Pipe Assembling Device and Pump Pipe Production Line Using Same. Shao Fengmin, Yang Qiaoyang, Yang Weifang, Bu Junhao, Cheng Zhichao, Liu Zhiyuan, Wang Guosheng, Wang Guochao, Ma Baizi, Jin Huitao and H..

Shaoyang City Daxiang Distr Fire Rescue Brigade Shaoyang City Daxiang Distr Fire Rescue Brigade and Shaoyang University File Chinese Patent Application for Self-drainage Device for..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shaoyang City Daxiang Distr Fire Rescue Brigade Shaoyang City Daxiang Distr Fire Rescue Brigade and Shaoyang University have filed a patent application for Self-drainage Device for Air-pressure Internal-driving Floating Plug Type Fire Hose. This invention was developed by Wang Fei, Xie Shunfu, Jiang Zhouyong,..

China Nuclear Power Operation Technology and Research Institute Nuclear Power Operation Submit Chinese Patent Application for Telescopic Adsorption Type Inspection Robot for Outer ..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- China Nuclear Power Operation Technology and Research Institute Nuclear Power Operation have submitted a patent application for Telescopic Adsorption Type Inspection Robot for Outer Pipeline in Narrow Space. This invention was developed by Han Jie, Wang Bo, Liu Yang, Gong Jian, Wang Hongwei and Gao Zhongfeng...

Zhongkong Innovation Beijing Energy Tech Co Ltd and ZKTeco Submit Chinese Patent Application for Natural Gas Pipeline Hydrate Inhibition Heating System and Control Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhongkong Innovation Beijing Energy Tech Co Ltd and ZKTeco have submitted a patent application for Natural Gas Pipeline Hydrate Inhibition Heating System and Control Method. This invention was developed by Guo Qiao and Zhang Hongwei. The patent application number is CN202510930277 20250707. The patent publ..

Tibet Datang Zhala Hydropower Dev Co Ltd and DEC Dongfeng Electric Machinery Submit Patent Application for Flexible Supporting Method for Water Distribution Ring Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Tibet Datang Zhala Hydropower Dev Co Ltd and DEC Dongfeng Electric Machinery have submitted a patent application for Flexible Supporting Method for Water Distribution Ring Pipe. Li Guiquan, Xiong Jianjun, Luo Xiaobing, Xiong Xin, Deng Feiyuan, Fan Jiayi, Liu Hui, Lyu Boru, Zhao Tong, Zhou Xiaofeng and Liu Liz..

National Petroleum Pipeline Network Group and West East Transp Branch of National Petroleum and Natural Gas Pipeline Group Submit Chinese Patent Application for Explosion-proof Typ..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- National Petroleum Pipeline Network Group and West East Transp Branch of National Petroleum and Natural Gas Pipeline Group have submitted a patent application for Explosion-proof Type Natural Gas Flow Meter Rapid Dismounting and Mounting System and Rapid Dismounting and Mounting Method. This invention was dev..

Coking Coal Cleaning Utilization Laboratory Branch Of Shanxi Coking Coal Group Co Ltd and Shanxi Coking Coal Group Low Carbon Tech Development Co Ltd Submit Chinese Patent Applicat..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Coking Coal Cleaning Utilization Laboratory Branch Of Shanxi Coking Coal Group Co Ltd and Shanxi Coking Coal Group Low Carbon Tech Development Co Ltd have submitted a patent application for Method for Reducing Coke Burning Loss by Adjusting Opening Degree of Transverse Pipe Inserting Plate Through Pressure of..

Jiangsu Tianying Environmental Protection Energy Complete Equipment and China Tian Ying Inc Submit Chinese Patent Application for Temperature Reduction Tower Turbulent Flow Heat Ex..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Tianying Environmental Protection Energy Complete Equipment and China Tian Ying Inc have submitted a patent application for Temperature Reduction Tower Turbulent Flow Heat Exchange Pipe Network Cooperated Urea Solution Preparation Waste Heat Recycling System. This invention was developed by Cao Debiao..

State Intellectual Property Office of China Publishes Shengde Xintai New Mat Co Ltd Patent Application for Special Tensile Test Device for Seamless Steel Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Shengde Xintai New Mat Co Ltd patent application for Special Tensile Test Device for Seamless Steel Pipe. The invention was developed by Zhou Yixin, Zhou Wenqing, Wan Shuaishuai, Yan Wei and Tan Shuping. The patent application number is CN2025113542..

State Intellectual Property Office of China Publishes Harbin Institute of Technology Patent Application for Method and Device for Testing In-plane Tensile Mechanical Property of Pi..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Harbin Institute of Technology patent application for Method and Device for Testing In-plane Tensile Mechanical Property of Pipe in Any Direction. The invention was developed by Cui Xiaolei, Sun Qianxi and Yuan Shijian. The patent application number i..

Jiangsu Huaihai Automatic Control Equipment Co Ltd Submits Patent Application for Flowmeter for Sewage Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Huaihai Automatic Control Equipment Co Ltd has submitted a patent application for Flowmeter for Sewage Pipeline. Hua Youqin and Lei Bing developed the invention. The patent application number is CN202511283241 20250909. The patent publication number is CN120991978 (A). International Patent Classifi..

State Intellectual Property Office of China Releases Zunyi Lehui Plastic Ind Co Ltd Patent Application for Refrigerator Drain Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Zunyi Lehui Plastic Ind Co Ltd patent application for Refrigerator Drain Pipe. This invention was developed by Qin Yongxu and Ai Chenyu. The patent application number is CN202511344665 20250919. The patent publication number is CN120991537 (A). Inter..

State Intellectual Property Office of China Receives Yichun University Patent Application for Ventilation Pipeline for Laboratory Safety Management

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Yichun University patent application for Ventilation Pipeline for Laboratory Safety Management. Zhou Xiufang developed the invention. The patent application number is CN202511443131 20251010. The patent publication number is CN120991394 (A). Internatio..

State Intellectual Property Office of China Releases Shandong Hengji Electric Power Equipment Co Ltd Patent Application for Modified Mpp Power Cable Protection Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Shandong Hengji Electric Power Equipment Co Ltd patent application for Modified Mpp Power Cable Protection Pipe. This invention was developed by Sun Junxiang, Sun Xiuguo and Shi Jie. The patent application number is CN202511126778 20250812. The paten..

Wenzhou Ouke Resources Comprehensive Utilization Co Ltd Submits Chinese Patent Application for Plastic Pipeline Particle Prepared from Waste Incineration Fly Ash and Preparation Me..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wenzhou Ouke Resources Comprehensive Utilization Co Ltd has submitted a patent application for Plastic Pipeline Particle Prepared from Waste Incineration Fly Ash and Preparation Method Thereof. This invention was developed by Zheng Shengtao, Huang Kaiwei and Wu Yongguang. The patent application number is C..

State Intellectual Property Office of China Releases Suyang Fire Fighting Equipment Baoying Co Ltd Patent Application for High-pressure-resistant Synthetic Rubber Fire Hose and Pre..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Suyang Fire Fighting Equipment Baoying Co Ltd patent application for High-pressure-resistant Synthetic Rubber Fire Hose and Preparation Method Thereof. This invention was developed by Hu Riyang. The patent application number is CN202511257798 2025090..

Zhejiang Shuaikang Electric Submits Patent Application for Branch Smoke Pipe Assembly for Smoke Exhaust of Kitchen and High-rise Building Public Flue Layout Using Same

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Shuaikang Electric has submitted a patent application for Branch Smoke Pipe Assembly for Smoke Exhaust of Kitchen and High-rise Building Public Flue Layout Using Same. Gao Xuyuan developed the invention. The patent application number is CN202511282146 20250909. The patent publication number is CN120..

Lianyungang Shengyuan Tech Co Ltd Applies for Patent on Composite Pipe Flue Gas Shunting Type Anti-corrosion Air Preheater and Ash Removal Device Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Lianyungang Shengyuan Tech Co Ltd has applied Chinese patent for Composite Pipe Flue Gas Shunting Type Anti-corrosion Air Preheater and Ash Removal Device Thereof. Hu Peng, Gu Junjie, Kai Panpan, Gu Jinjie, Bian Shaohan, Zhang Jianming and Gu Yaming developed it. The patent application number is CN20251122..

Shenzhen Tornado Fluid Tech Co Ltd Files Chinese Patent Application for Ejecting Pipe, Negative Pressure Air Suction Device and Method for Generating Stable Negative Pressure

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shenzhen Tornado Fluid Tech Co Ltd has filed a patent application for Ejecting Pipe, Negative Pressure Air Suction Device and Method for Generating Stable Negative Pressure. This invention was developed by Li Tianwei and Wang Jingtao. The patent application number is CN202511446128 20251009. The patent pub..

State Intellectual Property Office of China Publishes Zhongding Hengsheng Gas Equipment (Wuhu) Patent Application for Diaphragm Compressor Pipeline System and Pulsation Suppression..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Zhongding Hengsheng Gas Equipment (Wuhu) patent application for Diaphragm Compressor Pipeline System and Pulsation Suppression Device and Deployment Method Thereof. The invention was developed by Shikanami, Yang Xuandong, Qiu Zeyu, Wu Wenlong, Luo Keqi..

State Intellectual Property Office of China Receives Qinlang New Material Tech Lanzhou Co Ltd Patent Application for Preparation Method of Tetramethylethylenediamine Based on Amina..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Qinlang New Material Tech Lanzhou Co Ltd patent application for Preparation Method of Tetramethylethylenediamine Based on Amination Pipeline Reaction. Liang Jianzhong, Chen Zhidong, Hu Zhiqiang and Mao Xuesheng developed the invention. The patent app..

State Intellectual Property Office of China Releases Ccteg Shenyang Research Institute Patent Application for Gas Control Reserved Pipe Plugging Control System

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Ccteg Shenyang Research Institute patent application for Gas Control Reserved Pipe Plugging Control System. This invention was developed by Zhao Yueran, Sun Jialei, Han Chao, Pei Yue, Zhen Qi, Zou Yongming, Xue Weichao, Qu Xiaoming, Kang Yeonji, Ma Wenw..

State Intellectual Property Office of China Receives Jinneng Holding Equipment Mfg Group Co Ltd Sihe Coal Mine and Shanghai Meike Boring Equipment Tech Co Ltd Patent Application fo..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jinneng Holding Equipment Mfg Group Co Ltd Sihe Coal Mine and Shanghai Meike Boring Equipment Tech Co Ltd patent application for Pipe Jacking Section Structure for Coal Roadway and Jacking Pipe. Li Gaojian, Liu Yu, Liu Lusheng, Duan Kaiyuan, Niu Jiangji..

The First Company of China 8th Engineering Bureau Seeks Patent for Laminated Slab Structure with Fire-fighting Pipeline

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- The First Company of China 8th Engineering Bureau has sought patent for Laminated Slab Structure with Fire-fighting Pipeline. This invention was developed by Li Dong, Jiang Qinggang, Shi Chunbin, Chang Tianqi, Li Yingchao, He Tao, Wang Yuanqi and Zhou Houhong. The patent application number is CN20251153979 2..

Shandong Rongling Intelligent Mfg Co Ltd Applies for Patent on Adjusting System for Industrial Crane Pipe Based on Intelligent Filling

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shandong Rongling Intelligent Mfg Co Ltd has applied Chinese patent for Adjusting System for Industrial Crane Pipe Based on Intelligent Filling. Zhang Chuanxiu, Wang Yingqi, Kong Qingzhao and Yi Jichao developed it. The patent application number is CN202510846742 20251020. The patent publication number is ..

State Intellectual Property Office of China Publishes Nuclear Ind 243 Group Patent Application for Saline-alkali Soil Concealed Pipe Drainage System and Construction Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Nuclear Ind 243 Group patent application for Saline-alkali Soil Concealed Pipe Drainage System and Construction Method. The invention was developed by Jiang Tao, Zheng Xiaorui, Chang Haibin, Yu Lei, Deng Qiaoqiao, Fang Hongpeng, Sun Hailin and Fu Yingh..

Liuan Zhongcai Pipeline Technology Applies for Patent on Trap Structure Convenient to Dredge

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Liuan Zhongcai Pipeline Technology has applied Chinese patent for Trap Structure Convenient to Dredge. Xu Yonghui, Chen Sangui and Xie Lei developed it. The patent application number is CN202511273001 20250908. The patent publication number is CN120990214 (A). International Patent Classification codes are ..

Zhongyifeng Intelligent Equipment Anhui Co Ltd Submits Chinese Patent Application for Hoisting Equipment for Micro Pipe Jacking Construction

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhongyifeng Intelligent Equipment Anhui Co Ltd has submitted a patent application for Hoisting Equipment for Micro Pipe Jacking Construction. This invention was developed by Zhu Fengjie, Xiong Jian, Liu Zongqin, Wang Yan and Gu Yifeng. The patent application number is CN20251169037 20250731. The patent pub..

State Intellectual Property Office of China Receives Cnooc Shenzhen Ocean Engineering Tech Services Co Ltd Patent Application for Heavy Hoisting Tool for Tail End of Deepwater Seab..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Cnooc Shenzhen Ocean Engineering Tech Services Co Ltd patent application for Heavy Hoisting Tool for Tail End of Deepwater Seabed Hose. Jiang Chuan, Zhou Jianwei, Fan Jingtao, Gao Chao, Liu Yang, Ma Qinglin, Li Xiaoyang, Qiu Haowei, Fu Qingshan and Jian..

State Intellectual Property Office of China Releases Beijing Mech Construction Group Co Ltd and Beijing Construction Eng Haiya Construction Eng Co Ltd Patent Application for Steel ..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Beijing Mech Construction Group Co Ltd and Beijing Construction Eng Haiya Construction Eng Co Ltd patent application for Steel Pipe Pile Anchor Rod Supporting Method for Ultra-deep Foundation Pit. This invention was developed by Yu Wei, Zhang Weidong, L..

State Intellectual Property Office of China Releases Beijing Timar Intelligent Control Technology and Beijing Meike Tianma Autom Sci & Tech Co Ltd Patent Application for Variable-d..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Beijing Timar Intelligent Control Technology and Beijing Meike Tianma Autom Sci & Tech Co Ltd patent application for Variable-diameter Hydraulic Pipe Winding Device and Hydraulic Pipe Winding Control Method. This invention was developed by Li Renjie, Wa..

HRJ Prec Extrusion Machinery Co Ltd Submits Chinese Patent Application for Continuous Production Pipe Material Winding Processing Method and Automatic Winding Machine

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- HRJ Prec Extrusion Machinery Co Ltd has submitted a patent application for Continuous Production Pipe Material Winding Processing Method and Automatic Winding Machine. This invention was developed by Wu Jingsong. The patent application number is CN20251102831 20250721. The patent publication number is CN12..

Zhejiang Dingbo Plumbing Mfg Co Ltd Files Chinese Patent Application for Stainless Steel Braided Hose Coiling Machine

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Dingbo Plumbing Mfg Co Ltd has filed a patent application for Stainless Steel Braided Hose Coiling Machine. This invention was developed by Lin Mingzhong. The patent application number is CN202511351806 20250922. The patent publication number is CN120987138 (A). International Patent Classification..

State Intellectual Property Office of China Publishes Jiangsu Chenggui Design Institute Patent Application for Concrete Pipe Pile with Prestressed Reinforcement Anti-seismic Buffer..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangsu Chenggui Design Institute patent application for Concrete Pipe Pile with Prestressed Reinforcement Anti-seismic Buffer Structure. The invention was developed by Li Zhouquan, Ding Weiqiang, Zhang Xiaowei and Xu Lingzhi. The patent application n..

Shandong Shinmada Mat Techn Co Ltd Applies for Patent on Method for Eliminating Creases of Color-coated Sheet for Downpipe

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Shandong Shinmada Mat Techn Co Ltd has applied Chinese patent for Method for Eliminating Creases of Color-coated Sheet for Downpipe. Wei Jiaming, Ma Jinchuan, Zhu Chi, Li Xinming, Xue Jingyu, Cao Haixia, Zhao Yanlong and Wang Hongchang developed it. The patent application number is CN202511233321 20250901...

State Intellectual Property Office of China Releases Liaoning Aiweier Metal Forming Tech Co Ltd Patent Application for Production Method of High-silicon Solution Strengthening Ferr..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Liaoning Aiweier Metal Forming Tech Co Ltd patent application for Production Method of High-silicon Solution Strengthening Ferritic Nodular Cast Iron Pipe Fitting. This invention was developed by Zhou Zhanhu, Sun Changhong, Jin Fuli, Bao Haidong, Liang ..

Hubei Sanjiang Space Jiangbei Mechanical Engineering Applies for Patent on Ablation-resistant/heat-insulating Integrated Forming Method for Spray Pipe

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Hubei Sanjiang Space Jiangbei Mechanical Engineering has applied Chinese patent for Ablation-resistant/heat-insulating Integrated Forming Method for Spray Pipe. Zeng Jianjun, Wu Zeyu, Xiao Meng, Li Yanyang and Yi Can developed it. The patent application number is CN202510937155 20250708. The patent publicati..

Zhejiang Huafeng New Mat Co Ltd Applies for Patent on Production Method and Device of Continuous Winding Glass Reinforced Plastic Pipe with Fatigue Resistance and Chemical Resistan..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Zhejiang Huafeng New Mat Co Ltd has applied Chinese patent for Production Method and Device of Continuous Winding Glass Reinforced Plastic Pipe with Fatigue Resistance and Chemical Resistance. Xu Chongyu, Zhou Zhipeng, Ding Luqing, Hua Jianhong and Hu Qiangqiang developed it. The patent application number ..

Schowitz Environmental Tech Jiangsu Co Ltd Submits Chinese Patent Application for Gradient Co-extrusion Molding Control System for Multi-layer Nano-composite Reinforced Hose

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Schowitz Environmental Tech Jiangsu Co Ltd has submitted a patent application for Gradient Co-extrusion Molding Control System for Multi-layer Nano-composite Reinforced Hose. This invention was developed by Zhu Wei. The patent application number is CN202511517444 20251023. The patent publication number is ..

Jiangxi Guosu New Mat Co Ltd Submits Chinese Patent Application for Injection Molding Device for Bubble Removing Type Plastic Pipe Connecting Piece

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Jiangxi Guosu New Mat Co Ltd has submitted a patent application for Injection Molding Device for Bubble Removing Type Plastic Pipe Connecting Piece. This invention was developed by Li Yuming, Xie Bin and Zhong Hongquan. The patent application number is CN202511272643 20250908. The patent publication number..

State Intellectual Property Office of China Releases China First Metallurgical Group Patent Application for Prefabricated T-beam Corrugated Pipe Positioning Auxiliary Device and Us..

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- State Intellectual Property Office of China has released China First Metallurgical Group patent application for Prefabricated T-beam Corrugated Pipe Positioning Auxiliary Device and Using Method. This invention was developed by Li Qihang, Li Chuang and Bao Liming. The patent application number is CN202511688..

Jinhua Julong Pipeline Co Ltd Submits Chinese Patent Application for High-performance Reinforced Concrete Drainage Pipe Forming Device and Forming Method

Pipe

| Tue 31 Mar 2026

Beijing, April 1 -- Jinhua Julong Pipeline Co Ltd has submitted a patent application for High-performance Reinforced Concrete Drainage Pipe Forming Device and Forming Method. This invention was developed by Lei Weixiang, Shen Xiaoqing, Hu Chun, Guo Linyou, Zhao Chungen and Hu Jiandong. The patent application number is CN20251..

State Intellectual Property Office of China Receives Jilin Rongyi Eng Pipeline Co Ltd Patent Application for Multi-station Synchronous Driving Fiber Reinforced Pipe Intelligent Com..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jilin Rongyi Eng Pipeline Co Ltd patent application for Multi-station Synchronous Driving Fiber Reinforced Pipe Intelligent Combined Machining System. Jiang Fengliang, Fan Tianyu, Shen Jianbo, Liang Guo and Wang Yanhui developed the invention. The pa..

State Intellectual Property Office of China Releases Taizhou Changli Resin Tube Patent Application for Pneumatic Clamping Type Pipe Cutting Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Taizhou Changli Resin Tube patent application for Pneumatic Clamping Type Pipe Cutting Device. This invention was developed by Peng Bo, Weng Jiayuan, Huang Liangliang and Sun Jie. The patent application number is CN202511526018 20251024. The patent pub..

State Intellectual Property Office of China Releases Wanmeitong Pipe Ind Hangzhou Co Ltd Patent Application for Fixed-length Cutting Device and Method for Mpp Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has released Wanmeitong Pipe Ind Hangzhou Co Ltd patent application for Fixed-length Cutting Device and Method for Mpp Pipe. This invention was developed by Wu Shicheng and Zhao Jiajia. The patent application number is CN202511521013 20251023. The patent publicat..

Yancheng Weilan Electronic Tech Co Ltd Submits Chinese Patent Application for Chip Packaging Pipe Cutting and Blanking Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Yancheng Weilan Electronic Tech Co Ltd has submitted a patent application for Chip Packaging Pipe Cutting and Blanking Device. This invention was developed by Zhu Congyi, Xu Jin, Zhou Wei, Zhong Yawei and Liu Jie. The patent application number is CN202511407508 20250929. The patent publication number is CN..

State Intellectual Property Office of China Receives Tangshan Xingbang Pipe Construction Equipment Patent Application for Intelligent Cutting Equipment for Thermal Insulation Layer..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Tangshan Xingbang Pipe Construction Equipment patent application for Intelligent Cutting Equipment for Thermal Insulation Layer of Thermal Insulation Pipe. Qiu Huawei, Hu Chunfeng, Zheng Wenwu, Xu Guangyong and Wang Shuai developed the invention. The p..

State Intellectual Property Office of China Receives Jiangxi Guanglian Optical Tech Co Ltd Patent Application for Pipe Cutting Equipment Convenient to Fix and Used for Optical Equi..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Jiangxi Guanglian Optical Tech Co Ltd patent application for Pipe Cutting Equipment Convenient to Fix and Used for Optical Equipment Machining. Shao Xiping and Xie Wei developed the invention. The patent application number is CN202511369365 20250924...

State Grid Shanghai Municipal Electrical Power and Shanghai Mingxu Intelligent Tech Co Ltd Seek Patent for Pipeline Flange Butt Joint Method Based on Multi-sensor Cooperation and S..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Grid Shanghai Municipal Electrical Power and Shanghai Mingxu Intelligent Tech Co Ltd have sought patent for Pipeline Flange Butt Joint Method Based on Multi-sensor Cooperation and Storage Medium. This invention was developed by Zhou Yaojun, Xu Xiaoming, Li Yang, Shen Zhihao and Xia Yunyong. The paten..

State Intellectual Property Office of China Receives Beijing Institute Space Launch Technology Patent Application for Automatic Butt Joint Device for Corrugated Pipes

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Beijing Institute Space Launch Technology patent application for Automatic Butt Joint Device for Corrugated Pipes. Cao Nan, Zhao Yaqing, Wang Shuai, Xiao Hui, Liu Zhuo, Xu Xuelei, Wang Huaji, Wu Mengqiang and Zou Chunying developed the invention. The p..

State Intellectual Property Office of China Receives Soco Machinery Zhangjiagang Mfg Co Ltd Patent Application for Pipe Fitting Cutting Device

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Soco Machinery Zhangjiagang Mfg Co Ltd patent application for Pipe Fitting Cutting Device. Chen Chunhua developed the invention. The patent application number is CN202511326662 20250917. The patent publication number is CN120984968 (A). International..

Jiangsu Yoryuo New Pipes Co Ltd Seeks Patent for Forming Die of Pipeline Support Hanger

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Yoryuo New Pipes Co Ltd has sought patent for Forming Die of Pipeline Support Hanger. This invention was developed by Gu Jinhua, Lu Yan, Xia Xiaoli, Ji Hongxiang, Bao Xiu and Zhai Xiaodong. The patent application number is CN202511517244 20251023. The patent publication number is CN120984825 (A). I..

State Intellectual Property Office of China Publishes China National Erzhong Group Deyang Wanhang Die Forging Patent Application for Integrated Forging Forming Die for Special-shap..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published China National Erzhong Group Deyang Wanhang Die Forging patent application for Integrated Forging Forming Die for Special-shaped Pipe. The invention was developed by Zhang Dezhou, Xie Xiaochuan, Xiang Wei, Mo Anjun, Cai Sen, Zhang Xin, Pu Delin, He Xin..

Wuxi Bojing Electron Co Ltd Files Chinese Patent Application for Pipe Base Raw Material Stamping Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Wuxi Bojing Electron Co Ltd has filed a patent application for Pipe Base Raw Material Stamping Equipment. This invention was developed by Li Zhiqiang. The patent application number is CN202511302815 20250912. The patent publication number is CN120984772 (A). International Patent Classification codes are B2..

State Intellectual Property Office of China Receives Nanjing Lanhao Intelligent Tech Co Ltd Patent Application for Pipe Fitting Bending Mechanism

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Nanjing Lanhao Intelligent Tech Co Ltd patent application for Pipe Fitting Bending Mechanism. Fei Xiufeng, Lan Zhoujun, Bu Hua, Ning Jiajia, Gan Daizhong and Ning Dongdong developed the invention. The patent application number is CN20251104440 202507..

State Intellectual Property Office of China Receives Guizhou Xishui Dingtai Energy Dev Co Ltd Patent Application for Flexible Copper Pipe End Portable Flaring Device for Steam Turb..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Guizhou Xishui Dingtai Energy Dev Co Ltd patent application for Flexible Copper Pipe End Portable Flaring Device for Steam Turbine Thrust Pad Temperature Measuring Point. Liao Zhanghong, Yang Futian and Jiang Yunzheng developed the invention. The pat..

Suzhou 3D Prec Metal Products Co Ltd Submits Patent Application for Stretching Pipe Cantilever Side Punching Small-batch Production Line

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Suzhou 3D Prec Metal Products Co Ltd has submitted a patent application for Stretching Pipe Cantilever Side Punching Small-batch Production Line. Chen Li, Liao Hanqiu and Zhang Yong developed the invention. The patent application number is CN202511502615 20251021. The patent publication number is CN1209847..

Dalian University of Technology Files Chinese Patent Application for Gas-liquid Mixed Medium Proportioning and Filling Device for Pressing Forming of Thin-walled Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Dalian University of Technology has filed a patent application for Gas-liquid Mixed Medium Proportioning and Filling Device for Pressing Forming of Thin-walled Pipe. This invention was developed by He Zhubin, Yuan Hang, Lin Yanli, Tian Gaoning, Chen Jingyu, Xu Yi and Qian Xixing. The patent application numbe..

State Intellectual Property Office of China Publishes Jiangxi Haosite Auto Parts Co Ltd Patent Application for Hollow Pipe Fitting Forming Device and Forming Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangxi Haosite Auto Parts Co Ltd patent application for Hollow Pipe Fitting Forming Device and Forming Method. The invention was developed by Liang Xiao, Xie Yuchen, Jian Dizhong, Zou Lang, Yu Nansheng and Wang Zijian. The patent application number..

State Intellectual Property Office of China Publishes Jiangyin Hongye Machinery Mfg Co Ltd Patent Application for Unit Arrangement Method of Coiled Pipe Bending Machine and Pipe Be..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Jiangyin Hongye Machinery Mfg Co Ltd patent application for Unit Arrangement Method of Coiled Pipe Bending Machine and Pipe Bending Method. The invention was developed by Xu Yuyi. The patent application number is CN202511159144 20211028. The patent ..

Shandong Guowei Iron and Steel Seeks Patent for Online Straightening and Cutting-off Integrated Machining Device for High-frequency Welded Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Shandong Guowei Iron and Steel has sought patent for Online Straightening and Cutting-off Integrated Machining Device for High-frequency Welded Pipe. This invention was developed by Zhang Qi, Liu Bin, He Shilei and Yang Wanyu. The patent application number is CN202511147267 20250930. The patent publication n..

Zhejiang Zhongda New Materials Submits Chinese Patent Application for Production Process of Seamless Steel Pipe Special for High-temperature and High-pressure Resistant Boiler

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhejiang Zhongda New Materials has submitted a patent application for Production Process of Seamless Steel Pipe Special for High-temperature and High-pressure Resistant Boiler. This invention was developed by Gao Xiaohua, Huang Zhenxuan, Wan Qijun and Chen Xiaofu. The patent application number is CN202511444..

State Intellectual Property Office of China Receives Yangzhou Chengde Steel Pipe Co Ltd Patent Application for Production Equipment and Production Method of Heat-resistant Seamless..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received Yangzhou Chengde Steel Pipe Co Ltd patent application for Production Equipment and Production Method of Heat-resistant Seamless Steel Pipe for Large-diameter Ultra-supercritical Unit. Zhang Huaide, Wang Rujun, Xu Yingeng, Li Jin, Chen Wei and Tan Ming d..

State Intellectual Property Office of China Publishes Zhejiang Hanhong Prec Material Co Ltd Patent Application for Stainless Steel Rod Extrusion Device for Stainless Steel Pipe Pro..

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has published Zhejiang Hanhong Prec Material Co Ltd patent application for Stainless Steel Rod Extrusion Device for Stainless Steel Pipe Production. The invention was developed by Li Hongyan, Zhu Weijia and Xu Jie. The patent application number is CN202511268136 ..

Jiangsu Shuzhian Tech Co Ltd Seeks Patent for Shadowless Irradiation Mechanism and Trenchless Pipeline Repair Shadowless Lamp

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Jiangsu Shuzhian Tech Co Ltd has sought patent for Shadowless Irradiation Mechanism and Trenchless Pipeline Repair Shadowless Lamp. This invention was developed by Zhu Qiquan, Chen Wei and Li Yong. The patent application number is CN202511265900 20250905. The patent publication number is CN120984528 (A). I..

State Intellectual Property Office of China Receives 5ELEM Hi-Tech Patent Application for Glue Injection System and Glue Injection Method Thereof

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Intellectual Property Office of China has received 5ELEM Hi-Tech patent application for Glue Injection System and Glue Injection Method Thereof. Schaeuwen, Wang Aiqin, Peng Fei, Gu Chundong, Qin Qingwu and Sha Yuehua developed the invention. The patent application number is CN202511526416 20251024. T..

Zhangjiagang Shazhou Intelligent Equipment Mfg Co Ltd Submits Patent Application for Spraying Device for Pressure-resistant Composite Air Pipe

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Zhangjiagang Shazhou Intelligent Equipment Mfg Co Ltd has submitted a patent application for Spraying Device for Pressure-resistant Composite Air Pipe. Gu Lei developed the invention. The patent application number is CN202511112704 20250809. The patent publication number is CN120984469 (A). International P..

University of Macau Seeks Patent for Noise Shaping Pipeline Successive Approximation Type Analog-to-digital Converter and Control Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- University of Macau has sought patent for Noise Shaping Pipeline Successive Approximation Type Analog-to-digital Converter and Control Method. This invention was developed by Feng Yuan, Guo Mingqiang, Ma Xuyuan and Xian Shirong. The patent application number is CN20251132481 20250725. The patent publication ..

Anhui Ruizhi Zhonghe New Energy Tech Co Ltd Seeks Patent for Multi-degree-of-freedom Adjusting Base for Photovoltaic Pipe Pile Installation

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Anhui Ruizhi Zhonghe New Energy Tech Co Ltd has sought patent for Multi-degree-of-freedom Adjusting Base for Photovoltaic Pipe Pile Installation. This invention was developed by Chu Jian, Zhang Qiang, Huang Yijia, Wang Tengfei, Xiang Siyi, Xiang Yu and Wang Chen. The patent application number is CN20251174..

State Grid Shandong Electric Power Co Shouguang Power Supply Co Submits Chinese Patent Application for Power Pipeline Cable Laying Tractor and Traction Method

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- State Grid Shandong Electric Power Co Shouguang Power Supply Co has submitted a patent application for Power Pipeline Cable Laying Tractor and Traction Method. This invention was developed by Sun Wenqiang, Lin Zhentao, Wang Yizhi, Guo Guangji, Sun Rui and Li Jianbo. The patent application number is CN20251..

Anhui Fangyang Electric Power Construction Submits Chinese Patent Application for Electric Power Engineering Pipeline Installation Equipment

Pipe

| Wed 01 Apr 2026

Beijing, April 1 -- Anhui Fangyang Electric Power Construction has submitted a patent application for Electric Power Engineering Pipeline Installation Equipment. This invention was developed by Cinaudy, Zhang Songfei and Yuan Di. The patent application number is CN20251127250 20250724. The patent publication number is CN1209785..

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