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02:32:02 Thu 23 Apr 2026

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Wuhu Xinxing Ductile Iron

(4)

Baotou Iron and Steel Gro

(3)

China Sixth Metallurgical

(3)

Guangdong Zhongxun Commun

(3)

Huaneng Clean Energy Res

(3)

Huaneng Qingyang Coal and

(3)

Hunan Ningfuning New Mate

(3)

Jinghua Plastic Ind Co Lt

(3)

Zhangjiagang City Shengdi

(3)

Beihang University

(2)

Beijing Ziyu Decoration D

(2)

Changjiang Ecology Enviro

(2)

Changzhou Tengfei Special

(2)

China Huaye Group

(2)

Dalian Wantong Automation

(2)

Foshan Huibaisheng Laser

(2)

Foshan Yeyi Tech Co Ltd

(2)

Guangdong Shengrui Tech C

(2)

Harbin Engineering Univer

(2)

Hengshui Ruilong Tech Co

(2)

Huadian Xinjiang Wusu Ene

(2)

Huanghuai University

(2)

Inner Mongolia North Heav

(2)

Jiangsu Changbao Steel Tu

(2)

Jilin Taiyu Tech Manufact

(2)

Kangpuli Hard Surface Tec

(2)

Langfang Zhongyang Therma

(2)

Langsheng Rubber & Plasti

(2)

Luoyang Yajie Pipe Co Ltd

(2)

Nanjing Kulang Electronic

(2)

Nanjing Wotuo Metal Produ

(2)

National Petroleum Pipeli

(2)

National Petroleum Pipeli

(2)

Ningbo Keni Pipe Cleaning

(2)

Northeastern University

(2)

Qianan Zhengda General St

(2)

Qingshan Steel Pipe

(2)

Shandong Hongqiao New Mat

(2)

Shanghai Jian Qiao Univer

(2)

Shanxi Construction Engin

(2)

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(2)

The First Company of Chin

(2)

Tianjin Keep Running Tech

(2)

Tianjin Pengling Group

(2)

Tianjin Youfa Dezhong Ste

(2)

Xi\'an University of Tech

(2)

Xinxing Ductile Iron Pipe

(2)

(2)

Zhejiang Gas & Thermoelec

(2)

Zhejiang Huachuan Shennen

(2)

Zhejiang Mingtong Constru

(2)

Zhejiang University

(2)

22mcc Group Tianjin Build

(1)

American Express Travel R

(1)

Anhui Ansu Pipe Ind Co Lt

(1)

Anhui Armstech Technology

(1)

Anhui Boer Tech Co Ltd

(1)

Anhui Construction Eng No

(1)

Anhui Construction Engine

(1)

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(1)

Anhui Haoxin Tech Co Ltd

(1)

Anhui Huadian Suzhou Powe

(1)

Anhui Institute of Inform

(1)

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(1)

Anhui Wantong Pipe

(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)

(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)

Beiliu Xinyue Stainless S

(1)

Beiwang Road & Bridge Con

(1)

Bengang Steel Plates; Dal

(1)

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(1)

Benxi Huashun Pipeline Mf

(1)

Brandenburger Liner

(1)

Buerkert Werke GmbH; Baod

(1)

CCC Guangzhou Dredging; C

(1)

CCCC First Harbor Enginee

(1)

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(1)

CCCC First Highway Engine

(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)

Cangzhou Chuangying Tuozh

(1)

Cangzhou Taixin Prec Cast

(1)

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(1)

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(1)

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(1)

Ccteg Intelligent Storage

(1)

Central South University;

(1)

Cgn Clean Energy Tech Sha

(1)

Changda Municipal Enginee

(1)

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(1)

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(1)

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(1)

Changzhou Institute of Me

(1)

Changzhou Landscape Rubbe

(1)

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(1)

Changzhou Weihan Thermal

(1)

Changzhou Wujin Wunan Pip

(1)

Changzhou Yongchen Hydrau

(1)

Changzhou Zuoda Automatio

(1)

Chaohu University

(1)

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(1)

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(1)

Chengdu Ligong Drilling E

(1)

China 22MCC Group Corpora

(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)

Chongqing Anbiao Testing

(1)

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(1)

Chongqing Jiangdong Machi

(1)

Chongqing Jieheng Perista

(1)

Chongqing Jiufang Aluminu

(1)

Chongqing Nihao Tech Co L

(1)

Chongqing Refine Yumei Di

(1)

Chongqing Rongchang Hospi

(1)

Chongqing Rongda Pipe Co

(1)

Chongqing Trunera Intelli

(1)

Chongqing Unicomp Tech Co

(1)

Chongqing University of S

(1)

Chongqing Youfeite Tech C

(1)

Cleveland Cleeves Steel P

(1)

Coldwell Thermal Tech Suz

(1)

Controlway Automation Tec

(1)

(1)

Dadi Giant Guangdong Geot

(1)

Dalian Tongtai Auto Parts

(1)

Daqing Heshan Biological

(1)

Daqing Hongtiande Petrole

(1)

Daqing Hongxin Metal Prod

(1)

Daqing Yuanchen Petroleum

(1)

Dayu Water Saving Group;

(1)

Deshengyuan Group Co Ltd

(1)

Dexin Hydrogen Tech Hebei

(1)

Dong A Flexible Metal Tub

(1)

Dongguan Yueguan Plastic

(1)

Eagle Technologies

(1)

East China Electric Power

(1)

Epiroc Rock Drills

(1)

Eslink Computing Hangzhou

(1)

Esseninot Wisdom Medical

(1)

Everbright Water Boxing C

(1)

FMC Technologies

(1)

Faerci Building Tech Chan

(1)

(1)

First Branch Of Tianjin Y

(1)

Foshan Baiyuhui Tent Co L

(1)

Foshan Nanhai Wangeshi Ma

(1)

Foshan Urban Construction

(1)

Foursquare Labs

(1)

Fujian Gaochuang Environm

(1)

Fujian Jiuce Gas

(1)

Fujian Ningde Nuclear Pow

(1)

Fujian Special Machinery

(1)

Fujian Xuyou Stainless St

(1)

Fujian Yinghui New Materi

(1)

Fulian Precision Electron

(1)

Fuxin Petroleum Tool Work

(1)

Fuyang Yingtian Intellige

(1)

Fuzhou University

(1)

Fuzhou Water Eng Co Ltd

(1)

Gansu Changhong Water Con

(1)

Gansu Yian Construction T

(1)

Ganyeah Holding Group Co

(1)

Gaoke Building Materials

(1)

Geberit International

(1)

Ginho Prec Manufacturing

(1)

Gongyuan Pipeline Anhui C

(1)

Gongyuan Pipeline Jiangsu

(1)

Great Wall Motor; Handan

(1)

Guangdong Dekun Xincai In

(1)

Guangdong Heiwei Fire Pro

(1)

Guangdong Hongjing Tech C

(1)

Guangdong Kexin Electric

(1)

Guangdong Kezheng Hydropo

(1)

Guangdong Liansu Technolo

(1)

Guangdong Lianyibang Cnc

(1)

Guangdong Xinxing Ductile

(1)

Guangdong Yiligao Technol

(1)

Guangdong Yuekai Tech Equ

(1)

Guangdong Yuqi Metal Prod

(1)

Guangdong Zhongnan Iron a

(1)

Guangxi Jinchuan Nonferro

(1)

Guangzhou Electronic Tech

(1)

Guangzhou Hongtu Equipmen

(1)

Guangzhou Jingguang Build

(1)

Guangzhou Jinying Sanitar

(1)

Guangzhou Meidirui Measur

(1)

Guangzhou Urban Planning

(1)

Guizhou Construction And

(1)

Guizhou Hongyang Machiner

(1)

Guizhou Panjiang Cbm Dev

(1)

Guizhou Road & Bridge Gro

(1)

Guizhou Ruiqi Plastic Tec

(1)

Guizhou Tengxiang Ruili H

(1)

Guizhou Xiangyu Phosphoru

(1)

Guocheng Group Co Ltd

(1)

Guoneng Boiler And Pressu

(1)

Guoneng Changzhou Power G

(1)

Guowu Baidi Prec Machiner

(1)

Haihua Rubber & Plastic C

(1)

Hainan Liansu Science And

(1)

Hainan Shuilifang Eng Des

(1)

Haipurui Changzhou Clean

(1)

(1)

Handan Youfa Steel Pipe C

(1)

Hangzhou AGS MedTech

(1)

Hangzhou Eda Precision El

(1)

Hangzhou Henglang Tech Co

(1)

Hangzhou Research Institu

(1)

Hangzhou Tuxing Power Tec

(1)

Hangzhou Yuzhou Construct

(1)

Harbin First Municipal En

(1)

Harbin Fuda Thermal Insul

(1)

Harbin Institute of Techn

(1)

He Cheng Nickel Ind Co Lt

(1)

Hebei Construction & Inve

(1)

Hebei Deou Machinery Tech

(1)

Hebei Gaoda Intelligent E

(1)

Hebei Harui Rubber Produc

(1)

Hebei Longjin Pipeline Eq

(1)

Hebei Research Institute

(1)

Hebei Xinji Eng Design Co

(1)

Hebei Yinglida Metal Prod

(1)

Hebei Yutong Special Rubb

(1)

Hefei Crrc Rolling Stock

(1)

Hefei Huayun Machinery Ma

(1)

Hefei Swan Refrigeration

(1)

Hefei University of Techn

(1)

Hefei Yunda Zhuoyi Pipe I

(1)

Hejian Luju Thermal Insul

(1)

Hejian Zhonghao Mech Equi

(1)

Henan Anzhu New Material

(1)

Henan Changsu Pipe

(1)

Henan Fifth Geological Ex

(1)

Henan Guanglong Auto Part

(1)

Henan Huvlone Hydraulic T

(1)

Henan University of Scien

(1)

Henan Xinren Construction

(1)

Hengshui Yinli Plastic Ru

(1)

Hengyang Hongtao Machiner

(1)

Hohai University

(1)

Honghua Offshore Oil & Ga

(1)

Hongyun Honghe Tobacco (G

(1)

Huadi Steel Group Co Ltd

(1)

Huadian Weifang Power Gen

(1)

Huaian Huachuang New Mat

(1)

Huaibei Mining; Xutuan Co

(1)

Huaibei Shengheng Mining

(1)

Huaneng Lanzhou Thermoele

(1)

Huaneng Yimin Coal & Elec

(1)

Huaneng Zuoquan Coal and

(1)

Huangshan Haina Intellige

(1)

Hubei Changlu Information

(1)

Hubei Herui Prec Machiner

(1)

Hubei Shengxin Special Eq

(1)

Hubei Weitong Pipe Tech C

(1)

Hubei Xingxin Technology

(1)

Huizhou Fengtai Prec Indu

(1)

Hulin Rural Drinking Wate

(1)

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(1)

Hunan University of Scien

(1)

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(1)

Hunan Xingtu Aviation Ast

(1)

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(1)

Information Tech Branch O

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Inner Mongolia Normal Uni

(1)

Institute Of Advanced Tec

(1)

Institute of Computing Te

(1)

Institute of Disaster Pre

(1)

Institute of Metal Resear

(1)

Itp Outside Co Ltd

(1)

Jiande Huafeng Environmen

(1)

Jiangmen Abraham Metals C

(1)

Jiangsu Anflon Tech Co Lt

(1)

Jiangsu Bafang Safety Dev

(1)

Jiangsu Baixing Pipe Indu

(1)

Jiangsu Boming Air Condit

(1)

Jiangsu Chengzhang Constr

(1)

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(1)

Jiangsu Gremax Plastic Te

(1)

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(1)

Jiangsu Guoxing Ventilati

(1)

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(1)

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(1)

Jiangsu Hongfa Eng Nylon

(1)

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(1)

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(1)

Jiangsu Jingchuang Electr

(1)

Jiangsu Jingyi Forging Co

(1)

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(1)

Jiangsu Mingjing Metal Pr

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Jiangsu Niulaier Pipeline

(1)

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Jiangsu Petro Hose & Pipi

(1)

Jiangsu Qianye Constructi

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(1)

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(1)

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Jiangsu Suhao Storage Co

(1)

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Jiangxi Guosu New Mat Co

(1)

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Jiaxing United Sewage Tre

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(1)

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(1)

Jilin Beiya Zhigu Tech Co

(1)

Jinan Bodor Laser

(1)

Jinan Boiler Group Co Ltd

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Jinan Heavy Industries Gr

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(1)

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(1)

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(1)

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Mikeysquickcoupler Llc

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(1)

(1)

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State Intellectual Property Office of China Publishes Guangdong Dekun Xincai Intelligent Home Tech Co Ltd Patent Application for Pipe and Splicing Welding Equipment Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Guangdong Dekun Xincai Intelligent Home Tech Co Ltd patent application for Pipe and Splicing Welding Equipment Thereof. The invention was developed by Xiong Wei. The patent application number is CN202511329521 20250917. The patent publication numbe..

Shanxi Architectural Design and Research Institute Submits Chinese Patent Application for Wall Pipeline Damage Position Detection Device

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shanxi Architectural Design and Research Institute has submitted a patent application for Wall Pipeline Damage Position Detection Device. This invention was developed by Sun Yukui, Tian Yi, Sun Yudong, Hu Gang, Zhang Junyi, Li Zhihao, He Ru, Zhang Fan, Zhang Li and Song Tao. The patent application number is..

State Intellectual Property Office of China Publishes Rocket Force University of Engineering PLA Patent Application for Combined Type Self-adaptive Variable-diameter Supporting Whe..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Rocket Force University of Engineering PLA patent application for Combined Type Self-adaptive Variable-diameter Supporting Wheel Mechanism for Pipeline Detection. The invention was developed by Yin Xinyi, Zhang Min, Xue Guozhi, Yuan Xiaojing, Luo Weip..

Zhengzhou Anchi Municipal Road & Bridge Co Ltd Applies for Patent on Non-excavation Repair Equipment for Urban Water Pipe Network Maintenance

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhengzhou Anchi Municipal Road & Bridge Co Ltd has applied Chinese patent for Non-excavation Repair Equipment for Urban Water Pipe Network Maintenance. Zhu Xiaohua, Zhao Yibo, Pan Yihui and Tian Hao developed it. The patent application number is CN202511470894 20251015. The patent publication number is CN..

Zhejiang Yueding Corrugated Tube Co Ltd Submits Chinese Patent Application for Corrugated Pipe Compensator and Using Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhejiang Yueding Corrugated Tube Co Ltd has submitted a patent application for Corrugated Pipe Compensator and Using Method Thereof. This invention was developed by Huang Xiangfu, Lin Aman, Chen Leqiang, He Qing and Yang Zhangji. The patent application number is CN202511399234 20250928. The patent publica..

Wuhan Yiye Steel Structure Co Seeks Patent for Large-diameter Connecting Pipe Inclined Mounting Device and Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Wuhan Yiye Steel Structure Co has sought patent for Large-diameter Connecting Pipe Inclined Mounting Device and Method. This invention was developed by Li Shijie, Guo Zeming, Yang Yingsong, Pan Wutan, Zhang Chunfang and Cheng Yinglong. The patent application number is CN202511244713 20250902. The patent p..

Ningxia Zhuxing Construction Co Ltd Submits Chinese Patent Application for Splicing Type Quick Connecting and Sealing Device for Farmland Irrigation Pipeline

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Ningxia Zhuxing Construction Co Ltd has submitted a patent application for Splicing Type Quick Connecting and Sealing Device for Farmland Irrigation Pipeline. This invention was developed by Jia Yongming, Yuan Bin, Niu Yao, Han Hongxia, Sun Weiwei, Cai Jin and Wang Jigang. The patent application number is..

State Intellectual Property Office of China Releases Xinxing Ductile Iron Pipes Patent Application for Slide-in Type Retaining Interface and Mounting Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Xinxing Ductile Iron Pipes patent application for Slide-in Type Retaining Interface and Mounting Method Thereof. This invention was developed by Wang Jianglong, Xu Jun, Zuo Chao, Wang Song, Li Yabing, Zhang Tao, Zhu Pan and Yang Huimin. The patent app..

Sinohydro Foundation Engineering Submits Chinese Patent Application for Quick Alignment Device for Pipeline Flanges

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Sinohydro Foundation Engineering has submitted a patent application for Quick Alignment Device for Pipeline Flanges. This invention was developed by Hou Jinchao, Zhao Longshan, Chen Runze, Xu Yinfei, Wang Qingyu, Fan Yuanjie, Dong Jianbin, Shen Zhihao, Ma Qiong and Zhang Zhengyin. The patent application num..

State Intellectual Property Office of China Releases Jiande Huafeng Environmental Protection Tech Co Ltd Patent Application for Antistatic Flexible Connection Structure and Pipe Ne..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Jiande Huafeng Environmental Protection Tech Co Ltd patent application for Antistatic Flexible Connection Structure and Pipe Network Connection Assembly. This invention was developed by Wang Guohua, Li Qianen and Miao Wenlin. The patent application ..

Zhejiang Jinfulong Chemical Equipment Co Ltd Files Chinese Patent Application for High-strength Isostatic Pressing Formed PTFE Straight Pipe and Preparation Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhejiang Jinfulong Chemical Equipment Co Ltd has filed a patent application for High-strength Isostatic Pressing Formed PTFE Straight Pipe and Preparation Method Thereof. This invention was developed by Guo Xiaoxiao, Fu Zhenhua, Zhang Lingyun, Na Jin-young, Zhang Jianhui and Zhang Hao. The patent applicat..

Hebei Yutong Special Rubber Hose Submits Chinese Patent Application for Bonding Type Coilable Composite High-pressure Conveying Pipe and Preparation Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Hebei Yutong Special Rubber Hose has submitted a patent application for Bonding Type Coilable Composite High-pressure Conveying Pipe and Preparation Method Thereof. This invention was developed by Cheng Debao, Zhao Cong, Zhao Ruijuan, Liu Dongxing and Sun Qiuyue. The patent application number is CN202511330..

Changjiang Ecology Environmental Protection Group Submits Patent Application for Non-excavation Spiral Guiding Synchronous Laying Process for Municipal Pipe Network

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Changjiang Ecology Environmental Protection Group has submitted a patent application for Non-excavation Spiral Guiding Synchronous Laying Process for Municipal Pipe Network. Jiang Bin, Zhang Jun, Huang Shengyuan and Zhou Li developed the invention. The patent application number is CN202511290122 20250910. T..

State Intellectual Property Office of China Releases CCCC Mechanical & Electrical Engineering Patent Application for Prefabricated Air Pipe Construction Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released CCCC Mechanical & Electrical Engineering patent application for Prefabricated Air Pipe Construction Method. This invention was developed by Yang Bo, Wu Tianlin, Liu Zhongnan, Wu Qunhui, Hu Nan, Sun Chuang, Li Licheng and Lan Jiacheng. The patent appli..

State Intellectual Property Office of China Releases Beijing Urban Construction Group Patent Application for Installation Method for Air Duct Lining Air Pipe Assembled by Prefabric..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Beijing Urban Construction Group patent application for Installation Method for Air Duct Lining Air Pipe Assembled by Prefabricated Assemblies. This invention was developed by Han Bing, Luo Yanfei, Meng Xiangbin, Kang Tae-won, Lu Sen, Yang Hao, Meng Xi..

Wuhan University of Technology Applies for Patent on Pipeline Damping Device Based on Magnetorheological Effect and Control Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Wuhan University of Technology has applied Chinese patent for Pipeline Damping Device Based on Magnetorheological Effect and Control Method Thereof. Tu Jianwei, Xiao Yi and Liu Xinyu developed it. The patent application number is CN202511218230 20250828. The patent publication number is CN121088779 (A). I..

Hangzhou Tuxing Power Tech Co Ltd Submits Chinese Patent Application for Engine Air Inlet Pipeline

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Hangzhou Tuxing Power Tech Co Ltd has submitted a patent application for Engine Air Inlet Pipeline. This invention was developed by Li Tianyuan, Liu Lin, Sun Yifu, Huang Shenggang and Yin Yijun. The patent application number is CN202511330351 20250917. The patent publication number is CN121088545 (A). Int..

State Intellectual Property Office of China Publishes Jiangsu Zhongyuan Environmental Protection Science & Tech Co Ltd Patent Application for Corrosion-resistant Ship Exhaust Pipe ..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Jiangsu Zhongyuan Environmental Protection Science & Tech Co Ltd patent application for Corrosion-resistant Ship Exhaust Pipe Support Assembly and Sacrificial Anode Protection Structure Thereof. The invention was developed by Qin Jianrong and Cui Wei...

Ningbo CSI Power & Machinery Group Files Chinese Patent Application for Sealing Structure for Air Valve and Air Valve Guide Pipe

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Ningbo CSI Power & Machinery Group has filed a patent application for Sealing Structure for Air Valve and Air Valve Guide Pipe. This invention was developed by Liu Kaimin, Wang Li, Liu Lijun, Sun Jiming, Lou Hua, Zhou Feng and Shao Liangjun. The patent application number is CN202511534270 20251026. The pate..

State Intellectual Property Office of China Releases Yi Lingbing Patent Application for Overlapped Construction Method for Combining Prefabricated Pipe Pieces and Prefabricated Lin..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Yi Lingbing patent application for Overlapped Construction Method for Combining Prefabricated Pipe Pieces and Prefabricated Linings. This invention was developed by Yi Lingbing, Lu Shun, Liu Xiaochen, Li Shuguang, Wang Yuanliu, Wang Long, Han Jiashan, ..

Henan Fifth Geological Exploration Institute Co Ltd Submits Chinese Patent Application for Double-guide Pipe Curtain Structure and Construction Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Henan Fifth Geological Exploration Institute Co Ltd has submitted a patent application for Double-guide Pipe Curtain Structure and Construction Method. This invention was developed by Guo Feng, Wu Huijie, Qin Zhanli and Guo Weimin. The patent application number is CN202511442066 20251010. The patent publi..

Beijing Zhuxin Quecheng Tech Co Ltd Files Chinese Patent Application for Early Warning Method for Blockage of Pulverized Coal Pipeline of Thermal Power Plant

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Beijing Zhuxin Quecheng Tech Co Ltd has filed a patent application for Early Warning Method for Blockage of Pulverized Coal Pipeline of Thermal Power Plant. This invention was developed by Sun Sui Ming and Yang Fan. The patent application number is CN202511273881 20250908. The patent publication number is..

Guoneng Boiler and Pressure Vessel Inspection Co Ltd Submits Patent Application for Method, Device and Equipment for Evaluating Blocking Degree of Oxide Skin in Boiler Pipe and Med..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Guoneng Boiler and Pressure Vessel Inspection Co Ltd has submitted a patent application for Method, Device and Equipment for Evaluating Blocking Degree of Oxide Skin in Boiler Pipe and Medium. Zhang Guangxing developed the invention. The patent application number is CN202511181826 20250822. The patent pub..

Zhongjian Guoxin Big Data Group Co Ltd Submits Chinese Patent Application for Intelligent Monitoring System for Urban Underground Pipe Network

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhongjian Guoxin Big Data Group Co Ltd has submitted a patent application for Intelligent Monitoring System for Urban Underground Pipe Network. This invention was developed by Zhao Dongliang, Fang Peigang, Gao Wanpeng, Li Wanqiang, Wang Jinke, Wang Zhizhen, Wang Quanke and Li Caixia. The patent applicatio..

Xi'an University of Technology Files Chinese Patent Application for Pressure Pipeline Leakage Detecting and Positioning Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Xi'an University of Technology has filed a patent application for Pressure Pipeline Leakage Detecting and Positioning Method. This invention was developed by Yan Jianguo, Zheng Shumin, Guo Pengcheng, Wang Zefei, Xie Baodong and Bu Chuan. The patent application number is CN202511258915 20250904. The patent p..

State Intellectual Property Office of China Releases CCC Guangzhou Dredging, China Harbour Engineering and CCCC Guangzhou Water Transp Engineering Design & Research Institute Co Lt..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released CCC Guangzhou Dredging, China Harbour Engineering and CCCC Guangzhou Water Transp Engineering Design & Research Institute Co Ltd patent application for Efficient Self-adaptive Loading Pipeline System with Multi-point Drainage Holes. This invention was ..

Shenzhen Zhuoyue Information Tech Co Ltd Submits Chinese Patent Application for Pressure Pipeline Operation Monitoring Method and Device, Electronic Equipment and Storage Medium

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shenzhen Zhuoyue Information Tech Co Ltd has submitted a patent application for Pressure Pipeline Operation Monitoring Method and Device, Electronic Equipment and Storage Medium. This invention was developed by Chen Hao, Chen Zhang, Xiao Kai and Yang Soohyun. The patent application number is CN20251124885..

Chongqing University of Science and Technology Submits Chinese Patent Application for Weld Joint Pretreatment Agent for High-steel-grade Pipeline

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Chongqing University of Science and Technology has submitted a patent application for Weld Joint Pretreatment Agent for High-steel-grade Pipeline. This invention was developed by Yin Limeng, Feng Wei, Song Yu, Wang Xuejun, Zhang Long, Zhang Yuan, Wang Jing, Zhang Chengjie and He Chaoming. The patent applica..

China Oilfield Services Seeks Patent for Electric Pump and Gas Lift Combined Lifting Separate Production Pipe Column

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- China Oilfield Services has sought patent for Electric Pump and Gas Lift Combined Lifting Separate Production Pipe Column. This invention was developed by Feng Rendong, Peng Zhengqiang, Han Fang, Hua Zejun, Huang Jie, Wang Weijun, Zhang Yunqiang, Guo Jing, Li Futang, Huang Wen'ao, Ikenobu, Liu Wei, Sun Huado..

Fuxin Petroleum Tool Works Submits Chinese Patent Application for Salvageable and Drillable Insertion Pipe Type Separation and Mining Device

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Fuxin Petroleum Tool Works has submitted a patent application for Salvageable and Drillable Insertion Pipe Type Separation and Mining Device. This invention was developed by Zhu Yujun and Zhang Lei. The patent application number is CN202511605648 20251105. The patent publication number is CN121088341 (A)...

State Intellectual Property Office of China Publishes Honghua Offshore Oil & Gas Equipment (Jiangsu) Patent Application for Horizontal Catwalk for Transferring Pipes

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Honghua Offshore Oil & Gas Equipment (Jiangsu) patent application for Horizontal Catwalk for Transferring Pipes. The invention was developed by Qin Hao, Chai Junqing, Sun Jianping, Xiong Chunmei, Yang Lei, Huang Qiuyan, Zhou Dahai, Liu Jinnan and Xi J..

State Intellectual Property Office of China Receives Sichuan Jiaojian Urban Construction Development and Sichuan Communications Construction Group Patent Application for Prefabrica..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Sichuan Jiaojian Urban Construction Development and Sichuan Communications Construction Group patent application for Prefabricated Brick Free of Pipeline Threading and Grooving and Construction Method. Zhang Jian, Yu Qiang, Wang Jiayi, Gong Xia, Mo Yon..

Zhejiang Guanmai Environmental Tech Co Ltd Submits Chinese Patent Application for Intelligent Pipeline Dredging Robot and System

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhejiang Guanmai Environmental Tech Co Ltd has submitted a patent application for Intelligent Pipeline Dredging Robot and System. This invention was developed by Sun Shaojie and Huang Yan. The patent application number is CN20251185633 20250804. The patent publication number is CN121088077 (A). Internatio..

Taiyuan Runmin Environmental Prot Energy Saving Co Ltd Submits Chinese Patent Application for Purification Treatment Device Applied to Municipal Sewage Pipe Network

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Taiyuan Runmin Environmental Prot Energy Saving Co Ltd has submitted a patent application for Purification Treatment Device Applied to Municipal Sewage Pipe Network. This invention was developed by Qiao Chen, Guo Jianfeng, Jiang Jiajing, Xu Yanhong and Hu Bo. The patent application number is CN20251165924..

State Intellectual Property Office of China Receives China Architecture Design & Research Group Patent Application for Drainage System Capable of Preventing Pipe Root from Leaking

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received China Architecture Design & Research Group patent application for Drainage System Capable of Preventing Pipe Root from Leaking. Zhong Jishou, Guan Wenmin, Yu Peishan and Liu Zelin developed the invention. The patent application number is CN20251158590..

Zhongheng Huamei Construction Engineering Group Seeks Patent for Auxiliary Device for Municipal Pipe Well Construction and Using Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhongheng Huamei Construction Engineering Group has sought patent for Auxiliary Device for Municipal Pipe Well Construction and Using Method Thereof. This invention was developed by Wang Jun, Ji Denghong, Liu Wenbin, Li Gaofei, Feng Zhijun, Dai Guozheng and Yuan Chunjuan. The patent application number is CN..

Qingdao Municipal Engineering Design Institute Submits Chinese Patent Application for Full-prefabricated Assembled Comprehensive Pipe Gallery Overlapping Structure and Construction..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Qingdao Municipal Engineering Design Institute has submitted a patent application for Full-prefabricated Assembled Comprehensive Pipe Gallery Overlapping Structure and Construction Process. This invention was developed by Zhang Xingbo, Yuan Tangtao, Si Yide, Zeng Wuliang, Yang Dongsheng, Zhang Juan, Zhang Ch..

Changda Municipal Engineering (Guangdong) Seeks Patent for Earth Rock Cofferdam for River-crossing Pipe Gallery of Deep and Thick Muddy Riverbed and Construction Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Changda Municipal Engineering (Guangdong) has sought patent for Earth Rock Cofferdam for River-crossing Pipe Gallery of Deep and Thick Muddy Riverbed and Construction Method. This invention was developed by Zhou Zhihong, Chen Wenxi, Deng Fenghua, Chen Weifeng, Liao Xiwu, Li Yuangao, Liu Feng, Liu Jian and Li..

Hebei Research Institute of Investigation & Design of Water Conservancy & Hydropower Files Chinese Patent Application for Method for Grouting in Outer Pipe Based on In-situ Soil Sl..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Hebei Research Institute of Investigation & Design of Water Conservancy & Hydropower has filed a patent application for Method for Grouting in Outer Pipe Based on In-situ Soil Slurry Solidification. This invention was developed by Zhao Juntao, Zhang Qian, Kang Junhong, Li Shixi, Song Zhanying and Yi Mingqi. ..

China Constr 8th Engineering Division Submits Patent Application for Prestressed Frp Rib Concrete Pipe Pile and Preparation Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- China Constr 8th Engineering Division has submitted a patent application for Prestressed Frp Rib Concrete Pipe Pile and Preparation Method Thereof. Li Ying, Wang Shanshan, Wang Kaiqi, Wang Tan, Kong Lingjie, Pan Dongxu, Li Dongfang, Tan Jiasheng, Zhou Yu, Wu Jinjian, Zheng Shuai, Zhang Qingyu, Zhang Haotian ..

State Intellectual Property Office of China Publishes Sinohydro Bureau 11 Patent Application for Groove Tamping Device Suitable for Municipal Pipe Network Construction

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Sinohydro Bureau 11 patent application for Groove Tamping Device Suitable for Municipal Pipe Network Construction. The invention was developed by Jiang Dongyi, Ma Hepeng, Chen Yongmei, Wu Hao and Song Yuhang. The patent application number is CN202511..

State Intellectual Property Office of China Publishes Harbin Institute of Technology Patent Application for Slender Pipe Inner Wall Multilayer Film Continuous Deposition Device wit..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Harbin Institute of Technology patent application for Slender Pipe Inner Wall Multilayer Film Continuous Deposition Device with Shielding Cover and Use Method Thereof. The invention was developed by Tian Xiubo, Hu Tianshi, Geng Huiyuan and Gong Chunzh..

Jiangyin Xingcheng Special Steel Works Submits Patent Application for High-performance Uniform X70mo Subsea Pipeline Steel Plate and Manufacturing Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Jiangyin Xingcheng Special Steel Works has submitted a patent application for High-performance Uniform X70mo Subsea Pipeline Steel Plate and Manufacturing Method Thereof. Xu Feng, Sun Xianjin, Cheng Xiaohu, Zhao Qian, Zhu Jianyang, Shen Bin and Xu Qinghu developed the invention. The patent application numbe..

Shaanxi Weixing New Building Mat Co Ltd Submits Patent Application for High-thermal-conductivity Pipe and Preparation Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shaanxi Weixing New Building Mat Co Ltd has submitted a patent application for High-thermal-conductivity Pipe and Preparation Method Thereof. Li Zhi, Huang Xiaohua, Ji Yangzhe, Xue Xiaopeng, Guo Haibo, Li Yaru, Yang Bo and Shao Yunhao developed the invention. The patent application number is CN20251165693..

State Intellectual Property Office of China Receives Gongyuan Pipeline Anhui Co Ltd Patent Application for High-temperature-resistant High-strength Polyethylene Double-wall Corruga..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Gongyuan Pipeline Anhui Co Ltd patent application for High-temperature-resistant High-strength Polyethylene Double-wall Corrugated Pipe and Preparation Method Thereof. Hu Liangliang, Huang Jianfeng, Shi Qinglin and Qian Wang developed the invention. ..

State Intellectual Property Office of China Publishes Hainan Liansu Science and Tech Industry Co Ltd Patent Application for Heat-induced Healing HDPE (high-density Polyethylene) Pi..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Hainan Liansu Science and Tech Industry Co Ltd patent application for Heat-induced Healing HDPE (high-density Polyethylene) Pipe as Well as Preparation Method and Application Thereof. The invention was developed by Zhao Honglei, Zhu Linhua, Yu Rentong..

Chongqing Nihao Tech Co Ltd Submits Patent Application for Anaerobic Adhesive Suitable for Sealing Oiling Machine Pipeline and Preparation Method of Anaerobic Adhesive

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Chongqing Nihao Tech Co Ltd has submitted a patent application for Anaerobic Adhesive Suitable for Sealing Oiling Machine Pipeline and Preparation Method of Anaerobic Adhesive. Li Xuejie developed the invention. The patent application number is CN202511439117 20251010. The patent publication number is CN1..

Wuhu Deming New Material Technology Development Seeks Patent for Flame-retardant Protective Composite Coating for Pipeline and Preparation Method of Flame-retardant Protective Comp..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Wuhu Deming New Material Technology Development has sought patent for Flame-retardant Protective Composite Coating for Pipeline and Preparation Method of Flame-retardant Protective Composite Coating. This invention was developed by Li Mingwei and Jiang Bo. The patent application number is CN202511304003 202..

State Intellectual Property Office of China Releases Nantong Yalong Fire Equipment Co Ltd Patent Application for Preparation Process of Fire Hose Lining with Corrosion Resistance

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Nantong Yalong Fire Equipment Co Ltd patent application for Preparation Process of Fire Hose Lining with Corrosion Resistance. This invention was developed by Chen Zhilin. The patent application number is CN202511200311 20250826. The patent publicat..

Hengshui Yinli Plastic Rubber Products Submits Chinese Patent Application for Flame-retardant Rubber Hose and Preparation Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Hengshui Yinli Plastic Rubber Products has submitted a patent application for Flame-retardant Rubber Hose and Preparation Method Thereof. This invention was developed by Dai Guoli. The patent application number is CN202511444107 20251010. The patent publication number is CN121086362 (A). International Pat..

State Intellectual Property Office of China Publishes Qingdao University of Science and Technology and Qingdao Weier Plastics Machine Co Ltd Patent Application for Graphite-filled ..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Qingdao University of Science and Technology and Qingdao Weier Plastics Machine Co Ltd patent application for Graphite-filled Polyphenylene Sulfide Composite Material, Heat Conduction Pipe and Preparation Method. The invention was developed by Wang Ga..

Shanghai Guohe Jiyun Digital Tech Co Ltd Applies for Patent on Automatic Detection Feeding Device Suitable for Thin-wall Short Pipe

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shanghai Guohe Jiyun Digital Tech Co Ltd has applied Chinese patent for Automatic Detection Feeding Device Suitable for Thin-wall Short Pipe. Sun Dong, Fan Zhao, Wen Zhong, Fang Zhelun, Deng Jingshan, Xue Jiayang, Gao Yu and Zhang Yongyue developed it. The patent application number is CN202511184999 20250..

Jiangyin Donghao Stainless Steel Tube Co Ltd Seeks Patent for Automatic Steel Pipe Production Line

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Jiangyin Donghao Stainless Steel Tube Co Ltd has sought patent for Automatic Steel Pipe Production Line. This invention was developed by Huang Xiaohong, Qian Kai and Qian Yanqing. The patent application number is CN202511378811 20250925. The patent publication number is CN121084945 (A). International Pate..

Tianjin Youfa Dezhong Steel Pipe Co Ltd Submits Chinese Patent Application for Guiding Type Conveying Structure for Welded Pipe Machining and Conveying Method of Guiding Type Conve..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Tianjin Youfa Dezhong Steel Pipe Co Ltd has submitted a patent application for Guiding Type Conveying Structure for Welded Pipe Machining and Conveying Method of Guiding Type Conveying Structure. This invention was developed by Shen Yongdong, Ding Xiuchen, Yu Shubao, Liu Bin, Gao Hongquan, Chen Tianjin, Du Z..

State Intellectual Property Office of China Publishes Yanshan University Patent Application for Knotting Device and Method for Steel Pipe Protection Rope

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Yanshan University patent application for Knotting Device and Method for Steel Pipe Protection Rope. The invention was developed by Li Yanwen, Yang Xiaowei, Zhang Ziyi, Ma Tianhang, Chen Ziming, Zhang Yiming and Wang Pengxiao. The patent application ..

State Intellectual Property Office of China Receives Anhui Youhui Intelligent Tech Co Ltd Patent Application for Pipe Bundling and Packaging Machine and Pipe Bundling and Packaging..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Anhui Youhui Intelligent Tech Co Ltd patent application for Pipe Bundling and Packaging Machine and Pipe Bundling and Packaging Method. Meng Guanghui developed the invention. The patent application number is CN202511344549 20250919. The patent publi..

China 22MCC Group Corporation Submits Patent Application for Pipeline Reshipment Device and Use Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- China 22MCC Group Corporation has submitted a patent application for Pipeline Reshipment Device and Use Method. Meng Qingyao, Yu Hui and Li Yuehuan developed the invention. The patent application number is CN202511424319 20250930. The patent publication number is CN121084468 (A). International Patent Clas..

State Intellectual Property Office of China Receives Kelamayishi Chengyi Tech Service Co Ltd Patent Application for Pipe Chain Type Circulating Mixing Equipment and Use Method Ther..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Kelamayishi Chengyi Tech Service Co Ltd patent application for Pipe Chain Type Circulating Mixing Equipment and Use Method Thereof. Niu Changjiang, Yang Hao and Xi Yanling developed the invention. The patent application number is CN202511472747 2025..

Shandong Huiju Heavy Industry Technology Files Chinese Patent Application for Hoisting Path Planning Method and System for Gantry Type Pipeline Hoisting All-in-one Machine

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shandong Huiju Heavy Industry Technology has filed a patent application for Hoisting Path Planning Method and System for Gantry Type Pipeline Hoisting All-in-one Machine. This invention was developed by Guo Ming, Guo Haifeng and He Juan. The patent application number is CN202511231031 20250830. The patent p..

Zhejiang Kingland Pipeline and Technologies Applies for Patent on Automatic Dismantling Equipment for Steel Pipe Lifting Appliance

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zhejiang Kingland Pipeline and Technologies has applied Chinese patent for Automatic Dismantling Equipment for Steel Pipe Lifting Appliance. Yang Weifang, Wang Yongqiang, Zhu Zheng, Dou Guoguang, Qian Xuefeng, Guan Chenbin and Qiu Chenkai developed it. The patent application number is CN202511282579 2025090..

Shenzhen Xingdongtai Electronics Co Ltd Submits Chinese Patent Application for Turning Device for Polytetrafluoroethylene Pipe Fitting

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shenzhen Xingdongtai Electronics Co Ltd has submitted a patent application for Turning Device for Polytetrafluoroethylene Pipe Fitting. This invention was developed by Pei Jie, Deng Bin, Wang Yong and Zhao Wenqiang. The patent application number is CN202511353373 20250922. The patent publication number is..

State Intellectual Property Office of China Publishes Chongqing Youfeite Tech Co Ltd Patent Application for Compression Type Thermal Insulation Pipe Continuous Conveying and Cuttin..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Chongqing Youfeite Tech Co Ltd patent application for Compression Type Thermal Insulation Pipe Continuous Conveying and Cutting System. The invention was developed by Wang Qing. The patent application number is CN202511290508 20250910. The patent p..

Anhui Wantong Pipe Applies for Patent on Intelligent Fixed-length Cutting Equipment for Pe Replacement Pipe Production

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Anhui Wantong Pipe has applied Chinese patent for Intelligent Fixed-length Cutting Equipment for Pe Replacement Pipe Production. Liu Zhenglin developed it. The patent application number is CN202511569956 20251030. The patent publication number is CN121083711 (A). International Patent Classification codes ar..

Xinxiang Aviation Industry Group Applies for Patent on Air Pipeline Filter Element Dismounting Device and Dismounting Method

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Xinxiang Aviation Industry Group has applied Chinese patent for Air Pipeline Filter Element Dismounting Device and Dismounting Method. Jin Lei, Guo Yunfei, Zhang Mingzhi, Lin Yibiao, Jia Tianhang, Zhang Songjun and Shi Long developed it. The patent application number is CN202511518413 20251023. The patent p..

Shaodong County Meiyu Hardware Tools Co Ltd Files Chinese Patent Application for Novel Water Pipe Pliers

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shaodong County Meiyu Hardware Tools Co Ltd has filed a patent application for Novel Water Pipe Pliers. This invention was developed by Su Ke. The patent application number is CN202511583699 20251031. The patent publication number is CN121083562 (A). International Patent Classification codes are B25B13/14..

State Intellectual Property Office of China Publishes Anhui Xisui Machinery Tech Co Ltd Patent Application for Air Inlet Connecting Pipe Sand Blasting Mechanism

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Anhui Xisui Machinery Tech Co Ltd patent application for Air Inlet Connecting Pipe Sand Blasting Mechanism. The invention was developed by Hu Lijun and Zhang Haichao. The patent application number is CN202511510353 20251022. The patent publication ..

Jiangsu Hongbao Youte Pipe Industry Manufacturing Applies for Patent on Steel Pipe Inner Hole Grinding Device and Using Method Thereof

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Jiangsu Hongbao Youte Pipe Industry Manufacturing has applied Chinese patent for Steel Pipe Inner Hole Grinding Device and Using Method Thereof. Wang Zhonghua, Zhu Jianfeng and Pan Qinglan developed it. The patent application number is CN202511405491 20250929. The patent publication number is CN121083426 (A..

Xiongxian Ruigang Pipeline Mfg Co Ltd Submits Patent Application for Cable Protection Pipe Processing Equipment

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Xiongxian Ruigang Pipeline Mfg Co Ltd has submitted a patent application for Cable Protection Pipe Processing Equipment. Zhang Ruijiang developed the invention. The patent application number is CN202511554153 20251029. The patent publication number is CN121083422 (A). International Patent Classification c..

ZKTeco Submits Chinese Patent Application for Pipe Network Three-dimensional Simulation Model Generation Method and Device, Storage Medium and Electronic Equipment

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- ZKTeco has submitted a patent application for Pipe Network Three-dimensional Simulation Model Generation Method and Device, Storage Medium and Electronic Equipment. This invention was developed by Yao Hanqi, Ren Yuan, Zhou Hangnan, Huang Tongjun and Xia Panan. The patent application number is CN202511271013..

Institute of Computing Technology, CAS Submits Patent Application for Runtime Program Optimization Method and Device Oriented to Pipeline Parallelism

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Institute of Computing Technology, CAS has submitted a patent application for Runtime Program Optimization Method and Device Oriented to Pipeline Parallelism. Li Guangli, Hao Chaoyang, Yu Qiuchu and Xu Ruiyuan developed the invention. The patent application number is CN202511234075 20250901. The patent publ..

Shandong Haohua Pipe Ind Co Ltd Submits Chinese Patent Application for Laser Measurement Device and Method Based on Ultrahigh Polyethylene Wear-resistant Pipe Processing

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Shandong Haohua Pipe Ind Co Ltd has submitted a patent application for Laser Measurement Device and Method Based on Ultrahigh Polyethylene Wear-resistant Pipe Processing. This invention was developed by Liu Feng, Su Xiaoyong, Song Qingkai and Liu Pengxiang. The patent application number is CN202511285187 ..

State Intellectual Property Office of China Publishes Shaanxi Sijichun Clean Heat Source Co Ltd Patent Application for Maintenance and Cleaning Device for Heating Pipeline

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Shaanxi Sijichun Clean Heat Source Co Ltd patent application for Maintenance and Cleaning Device for Heating Pipeline. The invention was developed by Li Jianfeng. The patent application number is CN202511443257 20251010. The patent publication numb..

Lanzhou Yuxing Tech Co Ltd Submits Chinese Patent Application for Multi-section Heat Exchange Type Heat Sink with Cabin Door Liquid Supply Pipe Inside Cabin Body

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Lanzhou Yuxing Tech Co Ltd has submitted a patent application for Multi-section Heat Exchange Type Heat Sink with Cabin Door Liquid Supply Pipe Inside Cabin Body. This invention was developed by Ma Yuelan, Wei Zhibin, Zhao Manchang, Zhong Ziqiang, Lu Xuepeng and Wei Qisong. The patent application number i..

Zhejiang Shuangfeng Boiler Co Ltd Submits Patent Application for Vertical Single-loop Pipe Gas Steam Generator with Multi-stage Heat Exchange Structure

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Zhejiang Shuangfeng Boiler Co Ltd has submitted a patent application for Vertical Single-loop Pipe Gas Steam Generator with Multi-stage Heat Exchange Structure. Fang Zixun, Wang Weihua, Lou Huafu, Lyu Xinbin, Xu Fei, Li Qi, Gu Dewu and Wu Xiannan developed the invention. The patent application number is C..

State Intellectual Property Office of China Releases Ningbo Qiyun New Material Tech Co Ltd Patent Application for High-temperature Heat Pipe Main Heat Source Driving Type Efficient..

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Ningbo Qiyun New Material Tech Co Ltd patent application for High-temperature Heat Pipe Main Heat Source Driving Type Efficient Energy-saving Industrial Kiln. This invention was developed by Cai Xin, Han Kun and Yin Jialun. The patent application nu..

Wang Yonggang Applies for Patent on Temperature Control Dehumidification Device Based on Heat Pipe Precooling and Vapor Compression Refrigeration Condensation Heat Recovery

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Wang Yonggang has applied Chinese patent for Temperature Control Dehumidification Device Based on Heat Pipe Precooling and Vapor Compression Refrigeration Condensation Heat Recovery. Wang Yonggang developed it. The patent application number is CN202511355507 20250922. The patent publication number is CN12..

State Intellectual Property Office of China Releases Shangqiu Inst Tech Patent Application for Steel Pipe Surface Concrete Removing Equipment

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Shangqiu Inst Tech patent application for Steel Pipe Surface Concrete Removing Equipment. This invention was developed by Zong Jingmei, Zhang Xuanming, Zhang Xuelan, Wang Yuya, Zheng Zhanzhan, Lei Deyi and Zhang Lan. The patent application number is..

State Intellectual Property Office of China Receives Hubei Xingxin Technology Patent Application for Surface Grinding Equipment for Steel-plastic Composite Pipe

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Hubei Xingxin Technology patent application for Surface Grinding Equipment for Steel-plastic Composite Pipe. Xiong Xuezhi, Dan Meiyu, Yuan Bei and Liu Wenjun developed the invention. The patent application number is CN20251193491 20250806. The patent ..

Hunan Yange Intelligent Tech Co Ltd Seeks Patent for Automatic Intelligent Production Line Equipment for High-precision Machining of Copper Pipe Niobium Bars

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Hunan Yange Intelligent Tech Co Ltd has sought patent for Automatic Intelligent Production Line Equipment for High-precision Machining of Copper Pipe Niobium Bars. This invention was developed by Huang Wenke, Xia Yan and Tang Xiaohan. The patent application number is CN202511572230 20251030. The patent pu..

Suzhou Hongfu Meiyao Machinery Tech Co Ltd Submits Chinese Patent Application for Intelligent Pipe Cutting Device for Heater Production

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Suzhou Hongfu Meiyao Machinery Tech Co Ltd has submitted a patent application for Intelligent Pipe Cutting Device for Heater Production. This invention was developed by Luo Mingjin. The patent application number is CN202511112693 20250809. The patent publication number is CN121083327 (A). International Pa..

Shenyang Institute of Engineering Applies for Patent on Hydraulic Pipe Joint Thread Machining Equipment for Improving Sealing Performance

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Shenyang Institute of Engineering has applied Chinese patent for Hydraulic Pipe Joint Thread Machining Equipment for Improving Sealing Performance. Xin Ying, Yin Xiaowei, Zhang Xiulu, Bao Yupeng and Li Mingrui developed it. The patent application number is CN202511361203 20250923. The patent publication num..

State Intellectual Property Office of China Releases Jiangsu Youfa Steel Pipe Co Ltd Patent Application for Roller Device for Welding Straight Seam Steel Pipe

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Jiangsu Youfa Steel Pipe Co Ltd patent application for Roller Device for Welding Straight Seam Steel Pipe. This invention was developed by Zhang Jian, Zou Rongjing, Liu Bin, Jiang Peng, Guo Bin and Liang Yanlei. The patent application number is CN20..

Beiliu Xinyue Stainless Steel Products Co Ltd Submits Chinese Patent Application for Multi-point Welding Device for Stainless Steel Pipeline

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Beiliu Xinyue Stainless Steel Products Co Ltd has submitted a patent application for Multi-point Welding Device for Stainless Steel Pipeline. This invention was developed by Wu Zhaogui. The patent application number is CN202511561865 20251029. The patent publication number is CN121083255 (A). Internationa..

Zibo Aierma Fire Equipment Co Ltd Seeks Patent for Positioning and Welding Tool for Fire-fighting Shower Pipe

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Zibo Aierma Fire Equipment Co Ltd has sought patent for Positioning and Welding Tool for Fire-fighting Shower Pipe. This invention was developed by Fu Chuangang and Fu Junyao. The patent application number is CN202511663200 20251113. The patent publication number is CN121083254 (A). International Patent C..

Beijing No. 5 Construction Engineering Group Submits Patent Application for Auxiliary Positioning Device for Multi-degree-of-freedom Pipeline Welding

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Beijing No. 5 Construction Engineering Group has submitted a patent application for Auxiliary Positioning Device for Multi-degree-of-freedom Pipeline Welding. Wang Weizheng, Qiao Qiang, Zhao Wentao, Zhao Kai, Fan Zhoujun, Ren Yahui, Chang Binjie, Zhao Xiaobin, Pan Tianhua, Zheng Haiming, Yuan Jie, Gao Fan an..

Tianjin Keep Running Tech Development Co Ltd Submits Chinese Patent Application for Data Processing Method and Equipment for Pipeline Anomaly Detection and Medium

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Tianjin Keep Running Tech Development Co Ltd has submitted a patent application for Data Processing Method and Equipment for Pipeline Anomaly Detection and Medium. This invention was developed by Zhou Zhaoming. The patent application number is CN202511643643 20251111. The patent publication number is CN12..

State Intellectual Property Office of China Publishes Jiangsu Yanghu Ind Development Co Ltd Patent Application for Air Pipe Structure for Building Ventilation

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Jiangsu Yanghu Ind Development Co Ltd patent application for Air Pipe Structure for Building Ventilation. The invention was developed by Zheng Lijun, Chen Wei and Mao Yu. The patent application number is CN202511346332 20250919. The patent publicat..

Jiangsu Guoxing Ventilation Equipment Submits Chinese Patent Application for Ventilation Pipeline with Dust Removing and Filtering Structure

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Jiangsu Guoxing Ventilation Equipment has submitted a patent application for Ventilation Pipeline with Dust Removing and Filtering Structure. This invention was developed by Zhang Guoxing, Shen Jianbo, Zhang Hanjia and Wu Haixia. The patent application number is CN202511519418 20251023. The patent publicati..

Nanjing Suxia Design Group Co Ltd Submits Chinese Patent Application for Double-reduction Arrangement System for Wide-area Load Adjustment of Heat Supply Pipe Network and Use Metho..

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- Nanjing Suxia Design Group Co Ltd has submitted a patent application for Double-reduction Arrangement System for Wide-area Load Adjustment of Heat Supply Pipe Network and Use Method of Double-reduction Arrangement System. This invention was developed by Wang Guoxing, Nai Yao, Zhang Yanjun and Liu Qing. Th..

State Intellectual Property Office of China Receives Jiangsu Xinriyuan Construction Energy Conservation Tech Co Ltd Patent Application for Energy-saving Hot Water Constant-pressure..

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Jiangsu Xinriyuan Construction Energy Conservation Tech Co Ltd patent application for Energy-saving Hot Water Constant-pressure Water Supply Pipeline Control System. Wang Fei and Kan Jiuhao developed the invention. The patent application number is C..

State Intellectual Property Office of China Publishes Shandong Fangda New Material Tech Co Ltd Patent Application for High-wear-resistance Modified Polyolefin Pipe and Preparation ..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has published Shandong Fangda New Material Tech Co Ltd patent application for High-wear-resistance Modified Polyolefin Pipe and Preparation Method Thereof. The invention was developed by Fang Huaishan, Li Wenxue, Yang Rui, Xu Qiang, Song Feifei, Wang Cong, Zheng Zi..

State Intellectual Property Office of China Releases Zhejiang Aobo Pipe Ind Co Ltd Patent Application for Automatic Control Method for Pe Pipe Extrusion Molding

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Zhejiang Aobo Pipe Ind Co Ltd patent application for Automatic Control Method for Pe Pipe Extrusion Molding. This invention was developed by Hayashi Yasuto. The patent application number is CN202511621020 20251107. The patent publication number is C..

State Intellectual Property Office of China Receives Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd Patent Application for Vacuum Cooling ..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Linhai Weixing New Building Materials and Zhejiang Weixing New Building Materials Co Ltd patent application for Vacuum Cooling Device Suitable for PPR Small-pipe-diameter Pipe and Cooling Process of Vacuum Cooling Device. Cheng Sheng, Zhou Jian, Wang J..

State Intellectual Property Office of China Releases Shanxi Tianqin Plastic Pipe Patent Application for Rapid Cooling Forming Device for Automatic Production of Pe Pipes

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released Shanxi Tianqin Plastic Pipe patent application for Rapid Cooling Forming Device for Automatic Production of Pe Pipes. This invention was developed by Zhang Zhiliang, Li Xiaohua, Han Xiaoping, Zhang Ziyue and Hou Fei. The patent application number is C..

State Intellectual Property Office of China Receives Anhui Ansu Pipe Ind Co Ltd Patent Application for High-compression-resistance Reinforcing and Toughening Pipe Forming Equipment..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Anhui Ansu Pipe Ind Co Ltd patent application for High-compression-resistance Reinforcing and Toughening Pipe Forming Equipment and Forming Method. Dong Li, Zhang Ping, Shen Guobing, Hua Jianbin, Chen Yubao, Jiang Xixu and Wang Haijun developed the inv..

Xiangshan Best Machinery Mfg Co Ltd Submits Chinese Patent Application for Traction Cutting Equipment for Plastic Pipe Forming

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Xiangshan Best Machinery Mfg Co Ltd has submitted a patent application for Traction Cutting Equipment for Plastic Pipe Forming. This invention was developed by Luo Weilin, Huang Youmin and Chen Yonggen. The patent application number is CN202511632186 20251110. The patent publication number is CN121083876 ..

State Intellectual Property Office of China Receives Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd Patent Application for Forming Device for Inner Pla..

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Forming Device for Inner Plastic Pipe for Plastic Lining Pipe. Su Jiuchuan, Gao Zhiling, Wang Yungang, Li Bingshang, Ding Hongbin, Zhang Xiulong, Wu Tong..

Jinghua Plastic Ind Co Ltd Submits Chinese Patent Application for Raw Material Proportioning Device for Heat-resistant Polyethylene Pipe Production

Pipe

| Wed 22 Apr 2026

Beijing, April 22 -- Jinghua Plastic Ind Co Ltd has submitted a patent application for Raw Material Proportioning Device for Heat-resistant Polyethylene Pipe Production. This invention was developed by Liu Kai, Li Wei and Liu Yingchun. The patent application number is CN202511436938 20251009. The patent publication number is ..

State Intellectual Property Office of China Receives ZKTeco Patent Application for Online Simulation System for Steam Pipe Network Balance Control Strategy Verification and Optimiz..

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has received ZKTeco patent application for Online Simulation System for Steam Pipe Network Balance Control Strategy Verification and Optimization. Wen Shuan, Guo Fangyuan, Huang Huajie, Wu Yang, Cen Keli and Cai Xinxing developed the invention. The patent applicat..

State Intellectual Property Office of China Releases The First Company of China 8th Engineering Bureau Patent Application for Method and System for Detecting and Identifying Pipeli..

Pipe

| Tue 21 Apr 2026

Beijing, April 22 -- State Intellectual Property Office of China has released The First Company of China 8th Engineering Bureau patent application for Method and System for Detecting and Identifying Pipeline in Residential Wall. This invention was developed by Liu Fan, Pan Qianglin, Zhang Wuming, Sun Peng, Zhou Jiaming, Wang Hao..

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