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15:47:14 Fri 24 Apr 2026

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State Intellectual Property Office of China Releases Taihang Nat Laboratory Patent Application for Phase Change Simulation Method for Hydrogen Conveying Pipeline

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Taihang Nat Laboratory patent application for Phase Change Simulation Method for Hydrogen Conveying Pipeline. This invention was developed by Liang Jinhua, Zhu Rui, Zhou Shan, Zhang Heng and Li Chunye. The patent application number is CN202511631910..

State Intellectual Property Office of China Releases National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institu..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch patent application for Carbon Dioxide Conveying Pipeline Evaluation Method and Device, Medium and Product. This inv..

Shanghai Yijun Zhizhao Electronic Tech Co Ltd Seeks Patent for Method and Device for Analyzing Flue Gas in Pipeline

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Shanghai Yijun Zhizhao Electronic Tech Co Ltd has sought patent for Method and Device for Analyzing Flue Gas in Pipeline. This invention was developed by Li Yihao, Tao Kunfeng and Liu Fanzhe. The patent application number is CN202511449724 20251011. The patent publication number is CN121113824 (A). Intern..

State Intellectual Property Office of China Publishes Ningbo Maibahe Eng Plastic Co Ltd Patent Application for Antistatic Easy-to-clean Wear-resistant Cigarette Filter Conveying Pi..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Ningbo Maibahe Eng Plastic Co Ltd patent application for Antistatic Easy-to-clean Wear-resistant Cigarette Filter Conveying Pipeline Composite Material and Preparation Method Thereof. The invention was developed by Wan Zeqiang, Zhang Zimin and Lin Yux..

Zhejiang Mingda Copper Ind Co Ltd Seeks Patent for Manufacturing Process of Antibacterial PPR Pipe

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Mingda Copper Ind Co Ltd has sought patent for Manufacturing Process of Antibacterial PPR Pipe. This invention was developed by Jiang Wanghu, Wang Feiyao and Chen Feiyan. The patent application number is CN202511517476 20251023. The patent publication number is CN121108674 (A). International Pate..

Zhejiang Mingda Copper Ind Co Ltd Submits Chinese Patent Application for Anti-aging PPR Pipe and Preparation Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Mingda Copper Ind Co Ltd has submitted a patent application for Anti-aging PPR Pipe and Preparation Method Thereof. This invention was developed by Jiang Wanghu, Wang Feiyao and Chen Feiyan. The patent application number is CN202511505885 20251021. The patent publication number is CN121108673 (A)..

Suzhou Ball Fluorine Plastic Products Co Ltd Submits Patent Application for Carbon Fiber Pipeline Lining and Production Process Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Suzhou Ball Fluorine Plastic Products Co Ltd has submitted a patent application for Carbon Fiber Pipeline Lining and Production Process Thereof. Chen Jianzhi and Zhu Qixiao developed the invention. The patent application number is CN202511252917 20250903. The patent publication number is CN121108660 (A). ..

State Intellectual Property Office of China Receives Chongqing Chenrui Plastic Co Ltd Patent Application for Heat Preservation Type PVC Plastic Pipeline

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Chongqing Chenrui Plastic Co Ltd patent application for Heat Preservation Type PVC Plastic Pipeline. Shen Yong and Huang Ming developed the invention. The patent application number is CN202511519991 20251023. The patent publication number is CN12110..

State Intellectual Property Office of China Publishes Shenzhen Boxinmei Nanotube Co Ltd Patent Application for Nano-antibacterial Rigid Polyvinyl Chloride Drainage Pipeline Materia..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Shenzhen Boxinmei Nanotube Co Ltd patent application for Nano-antibacterial Rigid Polyvinyl Chloride Drainage Pipeline Material and Preparation Process Thereof. The invention was developed by Zhao Bin. The patent application number is CN20251128350..

Zhangjiagang Gongdeli Ship Tech Co Ltd Applies for Patent on Laser Welding Positioning Method for Hyperboloid of Ship Guide Pipe

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Zhangjiagang Gongdeli Ship Tech Co Ltd has applied Chinese patent for Laser Welding Positioning Method for Hyperboloid of Ship Guide Pipe. Zhang Huimin and Xu Min developed it. The patent application number is CN202511252531 20250903. The patent publication number is CN121120777 (A). International Patent ..

State Intellectual Property Office of China Publishes CNNC Nuclear Power Operation Management and Qinshan Nuclear Power Co Ltd Patent Application for Heat Transfer Pipe Orifice Sea..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published CNNC Nuclear Power Operation Management and Qinshan Nuclear Power Co Ltd patent application for Heat Transfer Pipe Orifice Sealing Weld Damage Grading Evaluation Method. The invention was developed by Lin Zhong, Lou Xiao, Si Xianguo, Lei Xiasheng, Zha..

State Intellectual Property Office of China Publishes Yangtze River Three Gorges Group Ind Development Beijing Co Ltd and China Three Gorges Patent Application for Drainage Pipelin..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Yangtze River Three Gorges Group Ind Development Beijing Co Ltd and China Three Gorges patent application for Drainage Pipeline Structural Defect Detection System and Method, Medium and Product. The invention was developed by Zhao Zhichao, Yin Wei, Li..

Guangdong Mogu Zhongnuo Digital Energy Operation Co Ltd Applies for Patent on Llm-based Intelligent Analysis System and Method for Air Leakage of Compressed Air Pipeline

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Guangdong Mogu Zhongnuo Digital Energy Operation Co Ltd has applied Chinese patent for Llm-based Intelligent Analysis System and Method for Air Leakage of Compressed Air Pipeline. Wang Baoke, Lei Xiang and Lin Pengkun developed it. The patent application number is CN202511219511 20250828. The patent publi..

Beijing Graphene Institute Co Ltd Submits Chinese Patent Application for Composite Heat Pipe and Preparation Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Beijing Graphene Institute Co Ltd has submitted a patent application for Composite Heat Pipe and Preparation Method Thereof. This invention was developed by An Zhizheng, Guo Ruiying and Yoo Chung-beom. The patent application number is CN202410718631 20240604. The patent publication number is CN121112789 (..

Conex IPR Ltd Submits Mexican Patent Application for Components for Drinking Water Pipes, and Method for Manufacturing Same

Pipe

| Fri 24 Apr 2026

Mexico City, April 24 -- Conex IPR Ltd has submitted a patent application for Components for Drinking Water Pipes, and Method for Manufacturing Same. This invention was developed by Szklarek Mateusz, Wolinski Slawomir and Salehi Bakhtiari Manouchehr. The patent application number is MX20240008901 20230112. The patent publicat..

Tianjin University Files Chinese Patent Application for Submarine Pipeline Earthquake Damage Effect Underwater Vibration Table Simulation Device and Method

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Tianjin University has filed a patent application for Submarine Pipeline Earthquake Damage Effect Underwater Vibration Table Simulation Device and Method. This invention was developed by Han Qinghua, Lu Yan, Zang Zhipeng, Yan Xiang and Zhang Jinfeng. The patent application number is CN202511670090 2025111..

State Intellectual Property Office of China Receives Jiangsu Zhongdian Env Engineering Co Ltd Patent Application for Sealing Device for Penetrating Roof Pipe of Boiler Reheater

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Jiangsu Zhongdian Env Engineering Co Ltd patent application for Sealing Device for Penetrating Roof Pipe of Boiler Reheater. Xu Dan, Qian Jin, Wu Weihua, Wang Kouqun and Zhang Jianlou developed the invention. The patent application number is CN20251..

State Intellectual Property Office of China Publishes Datang Huangdao Power Generation Co Ltd Patent Application for Method for Measuring Wall Temperature of Explosion-proof Pipe o..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Datang Huangdao Power Generation Co Ltd patent application for Method for Measuring Wall Temperature of Explosion-proof Pipe of Final-stage Reheater. The invention was developed by Yang Changqing, Li Dong, Liu Qi, Hou Qicong, Lu Weidong, Zhang Shoupin..

Dongyin Guanwu Nanjing Tech Co Ltd Seeks Patent for Rain and Sewage Pipeline Defect Detection Method and System Based on Distributed Optical Fibers

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Dongyin Guanwu Nanjing Tech Co Ltd has sought patent for Rain and Sewage Pipeline Defect Detection Method and System Based on Distributed Optical Fibers. This invention was developed by Dong Yixuan, Wu Lan, Wu Peng, Wei Linhui, Yin Xiangwen, Zhang Jianing and Wu Dong. The patent application number is CN20..

Qingchen Tech Guangdong Co Ltd Submits Chinese Patent Application for Urban Pipe Network Health Detection Method and Device and Electronic Equipment

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Qingchen Tech Guangdong Co Ltd has submitted a patent application for Urban Pipe Network Health Detection Method and Device and Electronic Equipment. This invention was developed by Li Ke, Hu Yan, Wang Yan, Yang Dandan and Du Xiaochuang. The patent application number is CN202511105210 20250807. The patent..

State Intellectual Property Office of China Releases Sichuan Wanshengtong Prec Machinery Manufacturing Co Ltd Patent Application for Device and Method for Measuring Diameter of Met..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Sichuan Wanshengtong Prec Machinery Manufacturing Co Ltd patent application for Device and Method for Measuring Diameter of Metal Pipe Fitting. This invention was developed by Xiang Gaochen. The patent application number is CN202511676744 20251117. ..

Shanghai Baichu Numerical Control Tech Co Ltd Files Chinese Patent Application for Equipment for Measuring Contour of Pipe to be Processed

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Shanghai Baichu Numerical Control Tech Co Ltd has filed a patent application for Equipment for Measuring Contour of Pipe to be Processed. This invention was developed by Zhang Pengfei, Zhang Zhipeng, Fang Hengchu and Bi Dingding. The patent application number is CN202511602662 20251104. The patent publica..

Nanjing Huajian Testing Tech Co Ltd Submits Chinese Patent Application for Non-iterative Debugging Method and System Based on Wind System Pipe Network Calculation Model and Storage..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Nanjing Huajian Testing Tech Co Ltd has submitted a patent application for Non-iterative Debugging Method and System Based on Wind System Pipe Network Calculation Model and Storage Medium. This invention was developed by Liu Zhen, Huang Dehai, Xue Shurui, Yan Chengchu, Li Chengyi, Shi Hongfei, Liu Jianxin, L..

State Intellectual Property Office of China Releases Jinghua Plastic Ind Co Ltd Patent Application for High-heat-conductivity Floor Heating Corrugated Pipe Based on Graphene

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Jinghua Plastic Ind Co Ltd patent application for High-heat-conductivity Floor Heating Corrugated Pipe Based on Graphene. This invention was developed by Liu Kai, Li Wei and Liu Yingchun. The patent application number is CN202511449572 20251011. The..

Zhejiang Engipower Tech Co Ltd Submits Patent Application for Urban Heat Supply Pipe Network Energy-saving Pressure Reduction System and Regulation and Control Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Engipower Tech Co Ltd has submitted a patent application for Urban Heat Supply Pipe Network Energy-saving Pressure Reduction System and Regulation and Control Method Thereof. Xie Jinfang, Wang Yaxing, Liu Dingjie and Ma Yuan developed the invention. The patent application number is CN202511335998..

Jilin Investig and Design Institute Of Water Conservancy and Hydropower Applies for Patent on Water Supply Pipeline Leakage Identification Method Based on Hydrophone Signals Under ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Jilin Investig and Design Institute Of Water Conservancy and Hydropower has applied Chinese patent for Water Supply Pipeline Leakage Identification Method Based on Hydrophone Signals Under Noise Background. Zhu Luan, Liu Shufeng, Zou Donghang, Yin Chunyan, Li Yunlong, Zou Yutao, Zhao Yue, Liu Yingke, Li Yuto..

Chengdu Yunwei Traffic Tech Co Ltd Seeks Patent for Segmented Pipe Network Leakage Detection Device and Method

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Chengdu Yunwei Traffic Tech Co Ltd has sought patent for Segmented Pipe Network Leakage Detection Device and Method. This invention was developed by Zou Yixuan, Tao Jiang, Liu Yang and Chen Tao. The patent application number is CN202511581635 20251031. The patent publication number is CN121112209 (A). Int..

Hebei Tongli Automatic Control Valve Mfg Co Ltd Files Chinese Patent Application for Thermal Indoor Pipeline Integrated Valve Group

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Hebei Tongli Automatic Control Valve Mfg Co Ltd has filed a patent application for Thermal Indoor Pipeline Integrated Valve Group. This invention was developed by Ma Jinggang, Ma Xuan, Liu Jinjin, Chen Yongfei, Li Chenggang, Guo Lin, Feng Mingxing, Wu Jian and Yu Haixing. The patent application number is ..

Guangzhou Xinhuang Energy Tech Co Ltd Files Chinese Patent Application for Low-pressure Early Warning Device for Compressed Air Pipe Network Based on Flow Perception

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Guangzhou Xinhuang Energy Tech Co Ltd has filed a patent application for Low-pressure Early Warning Device for Compressed Air Pipe Network Based on Flow Perception. This invention was developed by Lin Hong and Feng Zhiqing. The patent application number is CN202511597767 20251104. The patent publication n..

State Intellectual Property Office of China Publishes Jilin Pengyu Pipeline Eng Co Ltd Patent Application for High-temperature-resistant Thermal Insulation Pipe Prepared by Adoptin..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Jilin Pengyu Pipeline Eng Co Ltd patent application for High-temperature-resistant Thermal Insulation Pipe Prepared by Adopting Spiral Extrusion Winding Process and Preparation Method of High-temperature-resistant Thermal Insulation Pipe. The inventio..

Sinomach Sensing Tech Co Ltd and Shenyang Academy of Instrumentation Science Submit Chinese Patent Application for Pipeline Internal Detector with Reducing Function

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Sinomach Sensing Tech Co Ltd and Shenyang Academy of Instrumentation Science have submitted a patent application for Pipeline Internal Detector with Reducing Function. This invention was developed by Song Huadong, Qin Changxu, Song Yunpeng, Zeng Yanli, Xu Pengda, Jiang Xingqiao, Zhang Wenqiang, Li Wanqiu, Sh..

State Intellectual Property Office of China Publishes Beijing Caisheng Tech Co Ltd Patent Application for Pipe Fitting Weld Joint Internal Defect Detection Equipment Capable of Aut..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Beijing Caisheng Tech Co Ltd patent application for Pipe Fitting Weld Joint Internal Defect Detection Equipment Capable of Automatically Adjusting Speed and Feeding. The invention was developed by Xu Jingzhong and Wang Wei. The patent application n..

Daqing Minan Security Equipment Installation Eng Co Ltd Applies for Patent on Method for Repairing and Enhancing Turning Lining in Trenchless Pipeline

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Daqing Minan Security Equipment Installation Eng Co Ltd has applied Chinese patent for Method for Repairing and Enhancing Turning Lining in Trenchless Pipeline. Xu Sheng and Wang Shaowen developed it. The patent application number is CN202511333428 20250918. The patent publication number is CN121112109 (A..

State Intellectual Property Office of China Receives Xiamen Special Equipment Inspection Institute and Xiamen China Resources Gas Co Ltd Patent Application for Device and Method fo..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Xiamen Special Equipment Inspection Institute and Xiamen China Resources Gas Co Ltd patent application for Device and Method for Repairing Leakage of Strait-crossing Directly-buried Gas Pipeline. Fu Xibin, Tang Binkun, Zou Zhijian, Feng Ligang, Fan Che..

Huangshan Qixia Construction Eng Co Ltd Submits Chinese Patent Application for Sound Insulation and Noise Reduction Water Supply and Drainage Pipeline

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Huangshan Qixia Construction Eng Co Ltd has submitted a patent application for Sound Insulation and Noise Reduction Water Supply and Drainage Pipeline. This invention was developed by Wang Yuming, Mao Jiayao and Mao Wei. The patent application number is CN202511355789 20250922. The patent publication numb..

State Intellectual Property Office of China Receives Fujian Sanming Runxiang New Mat Co Ltd Patent Application for Anti-bonding Conveying Pipe for Conveying Flame Retardant

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Fujian Sanming Runxiang New Mat Co Ltd patent application for Anti-bonding Conveying Pipe for Conveying Flame Retardant. Wu Wenjing, Huang Yongming and Liu Longjiang developed the invention. The patent application number is CN202511558625 20251029. ..

Henan Qinglong Plastic Pipe Ind Co Ltd Submits Chinese Patent Application for Large-diameter Extrusion-method Electric Melting Pipe Fitting and Manufacturing Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Henan Qinglong Plastic Pipe Ind Co Ltd has submitted a patent application for Large-diameter Extrusion-method Electric Melting Pipe Fitting and Manufacturing Method Thereof. This invention was developed by Li Yunyun, Ming Ruijun, Li Jie, Li Yongfeng, Yu Jiangtao, Hou Chang, Yan Bo and Wu Bin. The patent a..

Jiangsu Yuanxing Group Construction Co Ltd Submits Chinese Patent Application for Silencing Device for Gas Pipeline

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Jiangsu Yuanxing Group Construction Co Ltd has submitted a patent application for Silencing Device for Gas Pipeline. This invention was developed by Hang Zhiyuan, Yu Wenxia, Yang Jianguo, Ding Hanyuan, Feng Wei and Liu Shujie. The patent application number is CN202511486454 20251017. The patent publicatio..

Zhejiang Sanleng Plastic Co Ltd Submits Chinese Patent Application for High-toughness Anti-aging Composite Water Supply Pipe and Production Process Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Sanleng Plastic Co Ltd has submitted a patent application for High-toughness Anti-aging Composite Water Supply Pipe and Production Process Thereof. This invention was developed by Wang Jingyang and Wang Jingbo. The patent application number is CN202511308436 20250915. The patent publication numbe..

Beijing Boming Tongzheng Consulting Co Ltd Seeks Patent for Polymer Composite Adsorption Sealing Pipe

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Beijing Boming Tongzheng Consulting Co Ltd has sought patent for Polymer Composite Adsorption Sealing Pipe. This invention was developed by Yu Fei. The patent application number is CN202410746514 20240611. The patent publication number is CN121112079 (A). International Patent Classification codes are F16L..

State Intellectual Property Office of China Publishes Changzhou Wujin Wunan Pipeline Equipment Co Ltd Patent Application for Heat Distribution Pipeline Support Capable of Preventin..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Changzhou Wujin Wunan Pipeline Equipment Co Ltd patent application for Heat Distribution Pipeline Support Capable of Preventing Impact Instability of Pipe Frame. The invention was developed by Yu Xinchun and Yu Jiapeng. The patent application numbe..

State Intellectual Property Office of China Receives Guizhou Hongdao Hesheng Energy Dev Co Ltd Patent Application for Pipe Stabilizing Device for Natural Gas Long-distance Pipeline..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Guizhou Hongdao Hesheng Energy Dev Co Ltd patent application for Pipe Stabilizing Device for Natural Gas Long-distance Pipeline Construction. Li Chu developed the invention. The patent application number is CN202511642814 20251111. The patent public..

State Intellectual Property Office of China Releases Zhao Tianliang Patent Application for Steam Pipe Spraying Engine

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Zhao Tianliang patent application for Steam Pipe Spraying Engine. This invention was developed by Zhao Tianliang. The patent application number is CN202511335163 20250918. The patent publication number is CN121111472 (A). International Patent Classi..

State Intellectual Property Office of China Receives China Coal Technology Engineering Group Chongqing Research Institute and Chongqing Kehua Safety Equipment Co Ltd Patent Applica..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received China Coal Technology Engineering Group Chongqing Research Institute and Chongqing Kehua Safety Equipment Co Ltd patent application for Anti-blocking Emergency Device for Underground Gas Extraction Pipeline. Su Yujiao, Cheng Guojian, Zhang Hongwei, Zha..

State Intellectual Property Office of China Receives Powerchina Fifth Bureau Guangyuan Construction Co Ltd and Sinohydro Engineering Bureau 5 Patent Application for Hydraulic Pushi..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Powerchina Fifth Bureau Guangyuan Construction Co Ltd and Sinohydro Engineering Bureau 5 patent application for Hydraulic Pushing Installation Device and Method for Downward Bent Section of Pressure Steel Pipe. Sun Xueliang, Li Gang, Li Tao, Su Yunfu, ..

Hong Kong Zhongjian Dev Co Ltd Applies for Patent on Pipe Jacking Machine

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Hong Kong Zhongjian Dev Co Ltd has applied Chinese patent for Pipe Jacking Machine. Wang Long developed it. The patent application number is CN202511574992 20251030. The patent publication number is CN121111278 (A). International Patent Classification codes are E21D9/06 and E21D9/08. The abstract of t..

State Intellectual Property Office of China Publishes China Coal Maodi Xingxian Coal Ind Co Ltd Patent Application for Water Fracturing Pipe and Full-automatic Water Fracturing Equ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published China Coal Maodi Xingxian Coal Ind Co Ltd patent application for Water Fracturing Pipe and Full-automatic Water Fracturing Equipment. The invention was developed by Zhou Tao, Yang Yiyin, Xu Bin, Zhang Ningbo, Li Xiaojun, Wu Kaikuo, Wang Qian, Feng Pan..

Shengli Fanland Oil Equip Co Ltd Files Chinese Patent Application for Integral Double-pipe Wellhead and Christmas Tree Device

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Shengli Fanland Oil Equip Co Ltd has filed a patent application for Integral Double-pipe Wellhead and Christmas Tree Device. This invention was developed by Liu Yan, Chen Junjie, Fu Xiurong, Xia Meng, Wang Xiaoxiao and Han Yunxiu. The patent application number is CN202511675857 20251117. The patent public..

Institute Of Exploration Technique Cademy Of Geological Sciences Submits Chinese Patent Application for Single-acting Double-pipe Coring Drilling Tool

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Institute Of Exploration Technique Cademy Of Geological Sciences has submitted a patent application for Single-acting Double-pipe Coring Drilling Tool. This invention was developed by Gao Pengju, Wang Yao, Fan Longfei, Huang Mengfu, Du Yaosen, Ma Hanchen, Wu Xiaolong, Tang Xiaoren, Dong Xiangyu and Wang Qing..

Guangzhou Jintu Geotechnical Engineering Tech Co Ltd Seeks Patent for Movable Type Back Leaning Structure Suitable for Small-diameter Jacking Pipe and Construction Method of Movabl..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Guangzhou Jintu Geotechnical Engineering Tech Co Ltd has sought patent for Movable Type Back Leaning Structure Suitable for Small-diameter Jacking Pipe and Construction Method of Movable Type Back Leaning Structure. This invention was developed by Chen Xuehua. The patent application number is CN2025114710..

State Intellectual Property Office of China Receives Jinan Energy Engineering Group and Shandong University Patent Application for Deep Foundation Pit Pipeline Construction Method ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Jinan Energy Engineering Group and Shandong University patent application for Deep Foundation Pit Pipeline Construction Method Used in Urban Complex Environment. Pan Fuyong, Kou Lei, Sun Houzhen, Guo Feng, Gao Tiangang, Zhang Zongtong, Cao Yun, Zhao Ya..

Zhejiang Mingkang Eng Consultation Co Ltd Submits Chinese Patent Application for Pipe Jacking Construction Method

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Mingkang Eng Consultation Co Ltd has submitted a patent application for Pipe Jacking Construction Method. This invention was developed by Wu Xin, Wang Yilong and Zhang Yikui. The patent application number is CN202511413299 20250929. The patent publication number is CN121112062 (A). International ..

Fudan University Submits Chinese Patent Application for Multifunctional Continuous Height Adjusting Device

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Fudan University has submitted a patent application for Multifunctional Continuous Height Adjusting Device. This invention was developed by Tian Chunxu, Jia Jinghao, Guo Shijie and Gan Zhongxue. The patent application number is CN202511131113 20250813. The patent publication number is CN121111847 (A). Int..

Shanghai Hengtuo Hydraulic Control Technology Co Ltd Files Chinese Patent Application for Jet Pipe Type Pressure Servo Valve with Mechanical Closed-loop Feedback Structure

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Shanghai Hengtuo Hydraulic Control Technology Co Ltd has filed a patent application for Jet Pipe Type Pressure Servo Valve with Mechanical Closed-loop Feedback Structure. This invention was developed by Xu Miao, Yu Shuai, Huang Zeng, Jin Yaolan and He Fei. The patent application number is CN202511586245 2..

Hunan Puqi New Energy Res Institute Co Ltd Seeks Patent for Underground Pipeline Trend Positioning Method and System Based on Audio Frequency Analysis

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Hunan Puqi New Energy Res Institute Co Ltd has sought patent for Underground Pipeline Trend Positioning Method and System Based on Audio Frequency Analysis. This invention was developed by Chen Bo. The patent application number is CN202511280909 20250909. The patent publication number is CN121115090 (A). ..

Anhui Zhongke Assembly Intelligent Mfg Co Ltd Submits Patent Application for Bolt-welding Connection Combined Structure Based on Steel Pipe Beam-column Intercommunication

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Anhui Zhongke Assembly Intelligent Mfg Co Ltd has submitted a patent application for Bolt-welding Connection Combined Structure Based on Steel Pipe Beam-column Intercommunication. Zheng Qijing developed the invention. The patent application number is CN202511318763 20250916. The patent publication number ..

State Intellectual Property Office of China Receives Shanghai Power Civil Construction Co Ltd and State Grid Co Ltd Special High Voltage Construction Branch Patent Application for ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Shanghai Power Civil Construction Co Ltd and State Grid Co Ltd Special High Voltage Construction Branch patent application for Anti-seepage Construction Process for Rainwater Pipeline of Extra-high Voltage Converter Station in Collapsible Loess Area. Y..

Wang Shurong Submits Chinese Patent Application for Sectional Type Horizontal Pipe Continuous Cooking Process

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Wang Shurong has submitted a patent application for Sectional Type Horizontal Pipe Continuous Cooking Process. The patent application number is CN202511514622 20251022. The patent publication number is CN121110408 (A). International Patent Classification codes are D21C7/00 and D21C7/06. Cooperative Pate..

State Intellectual Property Office of China Receives Hangzhou Energy Group Engineering Tech Co Ltd Patent Application for Powder Plasma Spraying Device for Anticorrosive Coating of..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Hangzhou Energy Group Engineering Tech Co Ltd patent application for Powder Plasma Spraying Device for Anticorrosive Coating of Gas Pipeline. Chen Shuxian, Hu Jian, Han Yubin, Qiu Wusong, Dai Pengtian, Zhu Xiangjun and Wang Jian developed the invention..

Shangrao Gaotou Zhicheng Tech Co Ltd Applies for Patent on Pipe Gallery Management Method and System

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Shangrao Gaotou Zhicheng Tech Co Ltd has applied Chinese patent for Pipe Gallery Management Method and System. Ji Liangwen, Huang Wei, Liu Xiaobo and Xu Yuchen developed it. The patent application number is CN20251169753 20250731. The patent publication number is CN121119364 (A). International Patent Clas..

State Intellectual Property Office of China Releases Sichuan Shuifa Construction Co Ltd Patent Application for Composite Anti-seepage Construction Method for Deepwater Complex Stra..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Sichuan Shuifa Construction Co Ltd patent application for Composite Anti-seepage Construction Method for Deepwater Complex Stratum Steel Pipe Pile Cofferdam. This invention was developed by Jiao Xiu, Huang Ziming and Tu Jian. The patent application ..

State Intellectual Property Office of China Receives Lenros Build Eng Co Ltd Patent Application for Roadbed Reinforcing Prestressed Pipe Pile Auxiliary Construction Device and Cons..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Lenros Build Eng Co Ltd patent application for Roadbed Reinforcing Prestressed Pipe Pile Auxiliary Construction Device and Construction Method. Li Caixia developed the invention. The patent application number is CN202511454536 20251013. The patent p..

National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch File Chinese Patent Application for Predict..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch have filed a patent application for Prediction Method for Drag Reduction Rate and Transportation Increasing Rate of Pipeline and Related Equipment. This invention was devel..

Tongji University and Marketing Service Center Of State Grid Zhejiang Electric Power Co Ltd Apply for Patent on Thermal Dynamic Modeling Method for Dendritic Pipe Network Based on ..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Tongji University and Marketing Service Center Of State Grid Zhejiang Electric Power Co Ltd have applied Chinese patent for Thermal Dynamic Modeling Method for Dendritic Pipe Network Based on Transfer Function. Ruan Yingjun, Chen Jie, Wu Zhifu, Li Han, Xu Tingting, Yao Yuting, Meng Hua, Wang Chaoliang and Li..

Shendi Science and Engineering Yunlong Lake Laboratory and Xuzhou University of Technology Apply for Patent on Intelligent Grouting Test Device for Filling Broken and Loose Rock-so..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Shendi Science and Engineering Yunlong Lake Laboratory and Xuzhou University of Technology have applied Chinese patent for Intelligent Grouting Test Device for Filling Broken and Loose Rock-soil Body Pipe and Use Method of Intelligent Grouting Test Device. Zhang Nong, Li Xiaozhao, Liu Cheng'ao, Wang Bo, Pan ..

Huadian Laizhou Power Generation Co Ltd and Huadian Electric Power Research Institute File Chinese Patent Application for Thermal Power Plant Pipeline Acoustic Streaming Coupling F..

Pipe

| Thu 23 Apr 2026

Beijing, April 24 -- Huadian Laizhou Power Generation Co Ltd and Huadian Electric Power Research Institute have filed a patent application for Thermal Power Plant Pipeline Acoustic Streaming Coupling Fault Diagnosis Method and System Based on Vibration Test. This invention was developed by Liu Bingguang, Li Rizhao, Tang Hongkui,..

Huatian Nanjing Engineering & Technology Corp MCC and MCC Huatian Engineering & Technology Submit Patent Application for Enhanced Copper Pipe Cooler Resistant to Airflow Impact

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Huatian Nanjing Engineering & Technology Corp MCC and MCC Huatian Engineering & Technology have submitted a patent application for Enhanced Copper Pipe Cooler Resistant to Airflow Impact. Yang Meng, Tu Hulin and Yang Jinglong developed the invention. The patent application number is CN202511399123 2025092..

Three Gorges Environmental Tech Co Ltd and China Three Gorges Submit Chinese Patent Application for Self-powered Pipeline Anti-corrosion Device Based on Orp Feedback

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Three Gorges Environmental Tech Co Ltd and China Three Gorges have submitted a patent application for Self-powered Pipeline Anti-corrosion Device Based on Orp Feedback. This invention was developed by Zhu Xiaomeng, Fang Shuai, Wang Dianchang, Yin Wei, Zhang Chunguang, Wang Wanqiong, Peng Shouhai, Chen Xiaolo..

Tian Zhigang and Yang Chengfeng File Chinese Patent Application for Concrete Pipeline and Construction Process Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Tian Zhigang and Yang Chengfeng have filed a patent application for Concrete Pipeline and Construction Process Thereof. This invention was developed by Tian Zhigang and Yang Chengfeng. The patent application number is CN202511592633 20251103. The patent publication number is CN121112082 (A). International..

Guizhou Power Grid and Electric Power Research Institute Submit Patent Application for Glass Reinforced Plastic Pipe and Manufacturing Method

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Guizhou Power Grid and Electric Power Research Institute have submitted a patent application for Glass Reinforced Plastic Pipe and Manufacturing Method. Li Kun, Liu Jun, Xu Kui, Huang Kejie, Chen Peilong, Yuan Yao, Yu Changhao, Zeng Huarong, Xu Shurong, Fu Shengjun, Yang Qi, Wang Shuaibing, Li Xin, Zhang Wei..

China Nat Offshore Oil Corp and CNOOC Energy Technology & Services Apply for Patent on Offshore Casing Pipe Direct Connection Type Emergency Well Plugging Device and Method

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- China Nat Offshore Oil Corp and CNOOC Energy Technology & Services have applied Chinese patent for Offshore Casing Pipe Direct Connection Type Emergency Well Plugging Device and Method. Xing Chuanhang, Miao Dianyuan, Li Zhuang, Jiang Kai, Zhang Xinyu, Chu Dejun, Liu Pengfei, Liu Junbo, Du Wei and Zhu Lianwan..

Xi'an Thermal Power Research Institute and Huaneng Pingliang Power Generation Submit Chinese Patent Application for Heat Treatment Method for Narrow-spacing Welding Seam of Pipelin..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Xi'an Thermal Power Research Institute and Huaneng Pingliang Power Generation have submitted a patent application for Heat Treatment Method for Narrow-spacing Welding Seam of Pipeline. This invention was developed by Han Tianpeng, Zhao Wanli, Wang Yansong, Ge Jun, Li Yong, Ma Guorong, Zhang Fei, Li Yuancheng..

State Intellectual Property Office of China Receives Changjiang Ecology Environmental Protection Group Patent Application for System and Method for Automatically Measuring Pipe Net..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Changjiang Ecology Environmental Protection Group patent application for System and Method for Automatically Measuring Pipe Network Parameters Based on Three-dimensional Scanning of Wellhead of Inspection Well. Wu Kunming, Zhang Jun, Zhou Xiaoguo, Chen..

Suzhou Institute Industrial Technology Applies for Patent on Measuring Device for Pipe Fitting and Measuring Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Suzhou Institute Industrial Technology has applied Chinese patent for Measuring Device for Pipe Fitting and Measuring Method Thereof. Li Changchun, Xu Li, Wang Chunsheng, Xue Yingchun and Hu Wei developed it. The patent application number is CN202511290263 20250910. The patent publication number is CN121112..

Xichang College Applies for Patent on Detection Device for Detecting Deformation of Oil and Gas Transmission Pipeline

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Xichang College has applied Chinese patent for Detection Device for Detecting Deformation of Oil and Gas Transmission Pipeline. Shang Li, Yang Hongmei and Zhou Zhiwei developed it. The patent application number is CN202511379665 20250925. The patent publication number is CN121112877 (A). International Paten..

China Gezhouba Group No. 3 Engineering Submits Chinese Patent Application for Fracturing Rock Breaking Pipe Structure Based on Synergistic Effect of Liquid Oxygen and Liquid Nitrog..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- China Gezhouba Group No. 3 Engineering has submitted a patent application for Fracturing Rock Breaking Pipe Structure Based on Synergistic Effect of Liquid Oxygen and Liquid Nitrogen and Using Method of Fracturing Rock Breaking Pipe Structure. This invention was developed by Xing Qinzhi, Hu Quanguang, Lin Xu..

State Intellectual Property Office of China Publishes Guangzhou Power Supply Bureau of Guangdong Power Grid Patent Application for Through Pipe Detection Control Method, Device and..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Guangzhou Power Supply Bureau of Guangdong Power Grid patent application for Through Pipe Detection Control Method, Device and System, Terminal Equipment and Storage Medium. The invention was developed by Jiang Mingkai, Yang Xinran, Wen Xinting, Han L..

State Intellectual Property Office of China Publishes Wuxi Snow Gull Move Air Conditioner Patent Application for Airplane Ground Air Conditioner Blast Pipe Safety Detection Device ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Wuxi Snow Gull Move Air Conditioner patent application for Airplane Ground Air Conditioner Blast Pipe Safety Detection Device and Method. The invention was developed by Liu Yanqing, Cao Yang, Yu Xichao and Liang Yong. The patent application number is..

Zhejiang Shiya Gas Valve Seeks Patent for Gas Pipeline Electric Leakage Detection Method and Gas Joint with Electric Leakage Alarm Device

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Shiya Gas Valve has sought patent for Gas Pipeline Electric Leakage Detection Method and Gas Joint with Electric Leakage Alarm Device. This invention was developed by Gong Kewei, Han Jiuming, Chen Zhifeng, Guo Hongfei, Wei Zhengfu, Sun Zhongxiao, Chen Sheng and Hu Chenxu. The patent application num..

Soyea Technology Seeks Patent for Online Pipeline Leakage Acoustic Detection Device and Method

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Soyea Technology has sought patent for Online Pipeline Leakage Acoustic Detection Device and Method. This invention was developed by Zhu Feinan, Xue Luna, Jin Pan, Ye Miaomiao, Zhu Jiali, Pang Kaifeng and Chen Jiabing. The patent application number is CN202511334414 20250918. The patent publication number i..

State Intellectual Property Office of China Publishes Xihua University Patent Application for Domestic Buried Water Supply Pipeline Leakage Positioning Method, System, Equipment an..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has published Xihua University patent application for Domestic Buried Water Supply Pipeline Leakage Positioning Method, System, Equipment and Medium. The invention was developed by Wang Mingyue, Yuan Chengbiao, He Zhou, Liu Junli and Li Wei. The patent application..

Changsha Institute Mining Research Seeks Patent for Paste Conveying and Filling Pipe Network Intercommunication System

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Changsha Institute Mining Research has sought patent for Paste Conveying and Filling Pipe Network Intercommunication System. This invention was developed by Huang Tenglong, Shi Yong, Zheng Bokun, Peng Liang, Lai Wei, Jiang Ke, Zheng Boyang and Wang Haibo. The patent application number is CN20251169564 20250..

China Merchants Heavy Industry, Jiangsu Applies for Patent on Anti-corrosion Protection Structure and Method for Ship Outboard Pipe Welded Junction

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- China Merchants Heavy Industry, Jiangsu has applied Chinese patent for Anti-corrosion Protection Structure and Method for Ship Outboard Pipe Welded Junction. Kong Guozhao, Mo Gang, Li Benpeng, Meng Guangjia, Dong Xiaowei, Sun Yi, Shen Huijun, Li Jing, Li Feng, Hu Jiangchao, Liu Jing, Xue Juan, Chu Jizhuang a..

Sinohydro Engineering Bureau 5 Submits Chinese Patent Application for Water Hammer Protection System for Pressure Pipeline of Water Conservancy Pump Station

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Sinohydro Engineering Bureau 5 has submitted a patent application for Water Hammer Protection System for Pressure Pipeline of Water Conservancy Pump Station. This invention was developed by Wei Xiang. The patent application number is CN202511465583 20251014. The patent publication number is CN121112102 (A)...

Jizhou Zhongyi FRP Submits Patent Application for Ocean Laid Glass Fiber Reinforced Plastic Pipeline and Sealing Connection Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Jizhou Zhongyi FRP has submitted a patent application for Ocean Laid Glass Fiber Reinforced Plastic Pipeline and Sealing Connection Method Thereof. Peng Cui and Zhang Yingwu developed the invention. The patent application number is CN202511630480 20251110. The patent publication number is CN121112094 (A). I..

Jiangsu Kaipute Power Machinery Seeks Patent for Water Pipe Connecting Device for Diesel Engine Water Pump Unit

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Jiangsu Kaipute Power Machinery has sought patent for Water Pipe Connecting Device for Diesel Engine Water Pump Unit. This invention was developed by Yuan Jiechi, Yang Dongmei, Ye Chunhua, Zhu Benjun and Pang Junqiang. The patent application number is CN202511663006 20251113. The patent publication number i..

Jiangsu Yulong Taihu New Material Technology Files Chinese Patent Application for Squeezing and Pushing Sealed Pipeline Connection Protection Lining Sliding Sleeve and Machining an..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Jiangsu Yulong Taihu New Material Technology has filed a patent application for Squeezing and Pushing Sealed Pipeline Connection Protection Lining Sliding Sleeve and Machining and Mounting Method. This invention was developed by Zhou Junyuan, Tang Runchao, Liang Boda and Jiang Pengsen. The patent applicatio..

State Intellectual Property Office of China Receives Hebei Qianming Plastic Products Patent Application for Polyethylene Corrugated Pipe and Preparation Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received Hebei Qianming Plastic Products patent application for Polyethylene Corrugated Pipe and Preparation Method Thereof. Gao Liting, Yang Haitong and Liu Shaopeng developed the invention. The patent application number is CN202511419929 20250930. The patent..

China Harbour Engineering Submits Patent Application for Shallow Sea Pipeline Floating Dragging and Bottom Dragging Switching Laying Process

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- China Harbour Engineering has submitted a patent application for Shallow Sea Pipeline Floating Dragging and Bottom Dragging Switching Laying Process. He Junbiao developed the invention. The patent application number is CN202511603979 20251104. The patent publication number is CN121112070 (A). International ..

China 22MCC Group Corporation Submits Patent Application for Municipal Rainwater Pipeline Lowering Device

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- China 22MCC Group Corporation has submitted a patent application for Municipal Rainwater Pipeline Lowering Device. Zhao Yongyi, Gong Peiyu, Zhou Yu, Jiang Fan, Zhao Yang, Xu Qinchong, Ge Mengdi, Gao Hongcai and Zhang Liwei developed the invention. The patent application number is CN202511592948 20251103. Th..

State Intellectual Property Office of China Receives North China University of Water Resources & Electric Power Patent Application for Automatic Grouting Reinforcement Protection D..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has received North China University of Water Resources & Electric Power patent application for Automatic Grouting Reinforcement Protection Device for Underground Pipe Jacking Construction of Urban and Rural Water Supply Integrated Project. Li Huimin, Li Feng, Cao Y..

Anhui Tongdu Flow Technology Files Chinese Patent Application for All-working-condition Water Supply and Drainage Pipeline Air Valve

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Anhui Tongdu Flow Technology has filed a patent application for All-working-condition Water Supply and Drainage Pipeline Air Valve. This invention was developed by Chen Kebao, Pang Yunhua, Wang Jing, Liang Zhaowen, Wu Jie, Feng Libin, Gan Zheng and Wang Zewei. The patent application number is CN202511530307..

Ming Yang Smart Energy Group Seeks Patent for Method for Maintaining Lubricating Oil Pipe of Generator of Semi-direct-driven Wind Generating Set on Tower

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Ming Yang Smart Energy Group has sought patent for Method for Maintaining Lubricating Oil Pipe of Generator of Semi-direct-driven Wind Generating Set on Tower. This invention was developed by Zhang Yanying, Guo Tao, Zhang Zhenghua, Wu Qian, Xu Lei, Kong Deming and Wu Cunqiang. The patent application number ..

Poly Changda Engineering Files Chinese Patent Application for Novel Tunnel Escape Pipeline Connecting Mode

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Poly Changda Engineering has filed a patent application for Novel Tunnel Escape Pipeline Connecting Mode. This invention was developed by Liu Ruiling, Li Yihuan, Wang Wei, Liu Zhiming, Yang Bin, Hu Daowei, Zou Aihua, Li Xiubo, Xie Jun, Zheng Yipeng, Yao Junchao, Qing Weichen, Yi Yufei and Zhou Fei. The pate..

State Intellectual Property Office of China Releases Powerchina Huadong Engineering Corporation Patent Application for Grouting Pipe Burying Device for Municipal Engineering Constr..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Powerchina Huadong Engineering Corporation patent application for Grouting Pipe Burying Device for Municipal Engineering Construction. This invention was developed by Zhou Qi, Wang Zhen, Tao Xiaofei, Chen Zheng, Zhang Ye and Zhang Ruonan. The patent a..

Zhejiang Jiuli Hi-Technology Metals Submits Patent Application for Ultra-pure Stainless Steel Passivation Treatment Method, Ultra-pure Stainless Steel Pipeline Machining Process an..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhejiang Jiuli Hi-Technology Metals has submitted a patent application for Ultra-pure Stainless Steel Passivation Treatment Method, Ultra-pure Stainless Steel Pipeline Machining Process and Ultra-pure Stainless Steel Pipeline. Hua Yong, Feng Mingqiang, Bang Gun, Feng Jinlin, Lu Junwei, Zhong Qiang, Zhang Jil..

State Intellectual Property Office of China Releases Tsinghua University Patent Application for Bimetal Composite Steel Pipe Component and Steel Pipe Concrete Column

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- State Intellectual Property Office of China has released Tsinghua University patent application for Bimetal Composite Steel Pipe Component and Steel Pipe Concrete Column. This invention was developed by Ban Huiyong, Dai Peng, Shi Yongjiu and Wang Yuanqing. The patent application number is CN202511253145 202..

Tongji University Seeks Patent for Inward-retracting Type Detachable Double-end Bolt Cushion Support Combined Square Steel Pipe Column Splicing Joint

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Tongji University has sought patent for Inward-retracting Type Detachable Double-end Bolt Cushion Support Combined Square Steel Pipe Column Splicing Joint. This invention was developed by Xiang Yang, Cui Yiqiong and Li Guoqiang. The patent application number is CN202511550514 20251028. The patent publicatio..

Guangdong Provincial Architectural Design & Research Institute Group Submits Patent Application for Steel Pipe Concrete Column-reinforced Concrete Beam Node Structure with Independ..

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Guangdong Provincial Architectural Design & Research Institute Group has submitted a patent application for Steel Pipe Concrete Column-reinforced Concrete Beam Node Structure with Independent Bending and Shearing Force Transmission. Lin Jinghua, Xu Tao, Huang Lin, Zheng Yangdong, Luo Chiyu, Xie Haiqiang, Zha..

Zhongheng Huamei Construction Engineering Group Submits Chinese Patent Application for Municipal Water Supply and Drainage Pipeline Dredging Device and Using Method Thereof

Pipe

| Fri 24 Apr 2026

Beijing, April 24 -- Zhongheng Huamei Construction Engineering Group has submitted a patent application for Municipal Water Supply and Drainage Pipeline Dredging Device and Using Method Thereof. This invention was developed by Wang Xiu, Duan Jiali, Zhang Jianmin, Shi Xiancheng, Liu Kai, Qi Long and Wang Huijuan. The patent appl..

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