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| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Beijing Chj Automotive Inf Tech Co Ltd patent application for Multi-way Proportional Valve, Heat Management Integrated Module, Heat Management Pipeline System and Automobile. The invention was developed by Chen Xu, Mu Guichun and Dong Junqi. The pat..

State Intellectual Property Office of China Releases Zibo Huanneng Haichen Environmental Protection Tech Services Co Ltd Patent Application for Bathroom Pipe Valve Assembly for Reg..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released Zibo Huanneng Haichen Environmental Protection Tech Services Co Ltd patent application for Bathroom Pipe Valve Assembly for Regulating and Controlling Water Mixing Back Pressure Water Supply Through Shunt Valve. This invention was developed by Xu Bao'an..

Technipfmc Subsea France Submits WIPO Patent Application for Method for Sealing the End of a Thermoplastic Composite Pipe and Pipe Obtained

Pipe

| Thu 18 Jun 2026

Geneva, June 19 -- Technipfmc Subsea France has submitted a patent application for Method for Sealing the End of a Thermoplastic Composite Pipe and Pipe Obtained. This invention was developed by Do Anh Tuan and Périn Vincent. The patent application number is WO2025EP85555 20251204. The patent publication number is WO20261200..

Wuxi Airuier Construction Machinery Co Ltd Submits Patent Application for Inner Pipeline Chain Guide Mechanism and Overhead Working Truck Telescopic Arm Comprising Same

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Wuxi Airuier Construction Machinery Co Ltd has submitted a patent application for Inner Pipeline Chain Guide Mechanism and Overhead Working Truck Telescopic Arm Comprising Same. Huang Aihua, Luo Yanhua, Han Weijun and Liu Genlin developed the invention. The patent application number is CN20261010273 202601..

Shanghai Investigation Design & Research Inst Co Ltd Submits Chinese Patent Application for Pccp-c Pipe Outer Wall Composite Polyurethane Anti-corrosion Structure and Construction ..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Shanghai Investigation Design & Research Inst Co Ltd has submitted a patent application for Pccp-c Pipe Outer Wall Composite Polyurethane Anti-corrosion Structure and Construction Method and Application. This invention was developed by Luo Shijiao, Wang Qili, Zhu Xinxing, Han Shaoxuan and Lu Lihui. The pat..

Mingzheng Jiangsu Tech Co Ltd Files Chinese Patent Application for Repairing Device for Environment-friendly Drainage Pipeline

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Mingzheng Jiangsu Tech Co Ltd has filed a patent application for Repairing Device for Environment-friendly Drainage Pipeline. This invention was developed by Xia Yu, Cai Ming, Tong Lingyun and Li Sheng. The patent application number is CN202610155557 20260204. The patent publication number is CN121631113 (..

Harbin Inst Of Technology Submits Patent Application for Plug for Detecting Liquid Filling Amount in Pipe

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Harbin Inst Of Technology has submitted a patent application for Plug for Detecting Liquid Filling Amount in Pipe. Liu Yifan, Li Xueying and Dai Hongzhe developed the invention. The patent application number is CN202411199040 20240829. The patent publication number is CN121631111 (A). International Patent ..

Daqing Hanwei Changheng High Pressure Glass Fiber Reinf Orced Plastic Pipeline Co Ltd Submits Chinese Patent Application for High-sealing-performance Glass Fiber Reinforced Plastic..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Daqing Hanwei Changheng High Pressure Glass Fiber Reinf Orced Plastic Pipeline Co Ltd has submitted a patent application for High-sealing-performance Glass Fiber Reinforced Plastic Pipeline Capable of Being Rapidly Installed. This invention was developed by Zhao Jun, Sun Baoyou, Ning Ruifeng and Bao Xuebo. ..

Shanghai Yingtai Plastic Ltd Submits Patent Application for Body Roundness Correction, Sizing, Welding and Sealing Fiber Reinforced Composite Pipe Joint and Manufacturing Equipment..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Shanghai Yingtai Plastic Ltd has submitted a patent application for Body Roundness Correction, Sizing, Welding and Sealing Fiber Reinforced Composite Pipe Joint and Manufacturing Equipment and Manufacturing Method of Body Roundness Correction, Sizing, Welding and Sealing Fiber Reinforced Composite Pipe Joint...

State Intellectual Property Office of China Receives Sichuan Jinshi Dongfang New Material Tech Co Ltd Patent Application for Glass Fiber Reinforced Plastic Pipe and Preparation Met..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Sichuan Jinshi Dongfang New Material Tech Co Ltd patent application for Glass Fiber Reinforced Plastic Pipe and Preparation Method Thereof. Kuai Yixi developed the invention. The patent application number is CN202411191575 20240828. The patent public..

Shanxi Keshi Detection Co Ltd Submits Chinese Patent Application for Non-destructive Testing Device for Welding Seam of Pressure Pipeline

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Shanxi Keshi Detection Co Ltd has submitted a patent application for Non-destructive Testing Device for Welding Seam of Pressure Pipeline. This invention was developed by Li Ning, Liu Bing, Su Rui, Liu Minze and Yang Yu. The patent application number is CN202511900993 20251216. The patent publication numbe..

Guangzhou Keyuan Industrial Equipment Installation Detection Tech Co Ltd Submits Chinese Patent Application for Ultrasonic Nondestructive Testing Equipment for Pipeline Crack Detec..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Guangzhou Keyuan Industrial Equipment Installation Detection Tech Co Ltd has submitted a patent application for Ultrasonic Nondestructive Testing Equipment for Pipeline Crack Detection. This invention was developed by Wu Guangjin, Xie Hui, Qiao Chunnan, Li Ling, Wu Guangkai, Wang Pantao and Chen Weizhong. ..

Luoyang Ship Material Research Inst No. 725 Research Inst Of China State Shipbuilding Corporation Lim Applies for Patent on Pipe Scouring Electrochemical In-situ Monitoring Test Sy..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Luoyang Ship Material Research Inst No. 725 Research Inst Of China State Shipbuilding Corporation Lim has applied Chinese patent for Pipe Scouring Electrochemical In-situ Monitoring Test System. Xuan Junji, Zhang Zihao and Wei Daling developed it. The patent application number is CN202511925831 20251219. T..

State Intellectual Property Office of China Releases Shandong Boshuo Environmental Prot Machinery Equipment Co Ltd Patent Application for Industrial Dust Collector Air Pipe Detecti..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released Shandong Boshuo Environmental Prot Machinery Equipment Co Ltd patent application for Industrial Dust Collector Air Pipe Detection Equipment and Method. This invention was developed by Li Wenwen, Li Gang and Fang Ruirui. The patent application number ..

State Intellectual Property Office of China Publishes Jinxiang Emergency Guarantee Service Center Patent Application for Dangerous Chemical Pipeline Gas Leakage Detection Protectio..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Jinxiang Emergency Guarantee Service Center patent application for Dangerous Chemical Pipeline Gas Leakage Detection Protection Equipment and Temporary Protection Method. The invention was developed by Zhu Penghong and Song Ning. The patent applicat..

Dongtai Jialeng Environmental Tech Co Ltd Files Chinese Patent Application for Air Pipe Air Tightness Detection Device for Fresh Air System

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Dongtai Jialeng Environmental Tech Co Ltd has filed a patent application for Air Pipe Air Tightness Detection Device for Fresh Air System. This invention was developed by Mao Tao. The patent application number is CN202511812363 20251204. The patent publication number is CN121632468 (A). International Paten..

Xian West Xingao Tech Co Ltd Submits Chinese Patent Application for Method for Measuring Length of Variable-diameter Pipe

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Xian West Xingao Tech Co Ltd has submitted a patent application for Method for Measuring Length of Variable-diameter Pipe. This invention was developed by Ling Haijun, Zheng Meng, Dong Yun, Liu Dali and Sun Taotao. The patent application number is CN202511869019 20251211. The patent publication number is C..

Xi'an Jiaotong University; North University of China Submits Patent Application for Intelligent Control Method of Loop Heat Pipe Heat Exchange System

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Xi'an Jiaotong University; North University of China has submitted a patent application for Intelligent Control Method of Loop Heat Pipe Heat Exchange System. Chang Jianlong, Zhang Xin, Zhao Zhenyi, Hao Shuai, Dai Xueyan, Shang Guoliang, Li Jiangman and Xu Junjie developed the invention. The patent applica..

Nidec Chaozhong Tech Co Ltd Files Chinese Patent Application for Heat Pipe with Sintered Capillary and Manufacturing Method Thereof

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Nidec Chaozhong Tech Co Ltd has filed a patent application for Heat Pipe with Sintered Capillary and Manufacturing Method Thereof. This invention was developed by Kim Ka Young, Chen Guanyu, Cai Kunhua and Li Quanyou. The patent application number is CN202411264065 20240910. The patent publication number is..

State Intellectual Property Office of China Publishes Dongying United Petrochemical Co Ltd Patent Application for Modular Composite Air Cooling Evaporation Section Structure of Alu..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Dongying United Petrochemical Co Ltd patent application for Modular Composite Air Cooling Evaporation Section Structure of Aluminum-coated Pipe. The invention was developed by Tong Kun, Li Guangkai, Yang Shaobo, Niu Hongliang and Sui Yuguang. The pa..

State Intellectual Property Office of China Publishes Jiangsu Zhongtan Green Transfer Tech Co Ltd Patent Application for Intelligent Monitoring and Fault Early Warning System of So..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Jiangsu Zhongtan Green Transfer Tech Co Ltd patent application for Intelligent Monitoring and Fault Early Warning System of Solar Cascade Heat Pipe Collector. The invention was developed by Ma Xinglong, Zhao Fei and Ouyang Zhiwei. The patent applica..

Sichuan Yunhuachuan Tech Co Ltd Files Chinese Patent Application for Flow Guide Pipe Fitting and Household Garbage Incinerator with Heat Recovery Function

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Sichuan Yunhuachuan Tech Co Ltd has filed a patent application for Flow Guide Pipe Fitting and Household Garbage Incinerator with Heat Recovery Function. This invention was developed by Huang Tao. The patent application number is CN202610168172 20260205. The patent publication number is CN121631284 (A). In..

State Intellectual Property Office of China Publishes Tianjin Kedian Petrochemical Science & Tech Development Co Ltd Patent Application for Industrial Underground Water Pipe Networ..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Tianjin Kedian Petrochemical Science & Tech Development Co Ltd patent application for Industrial Underground Water Pipe Network Leakage Diagnosis Technology Based on Intelligent Learning Model. The invention was developed by Liu Jianwen, Lu Zhao, Huang..

Hunan Puqi New Energy Research Inst Co Ltd Seeks Patent for Portable Handheld Indoor Pipeline Leak Hunting Device

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Hunan Puqi New Energy Research Inst Co Ltd has sought patent for Portable Handheld Indoor Pipeline Leak Hunting Device. This invention was developed by Xiao Yuefei. The patent application number is CN20251220880 20251230. The patent publication number is CN121631197 (A). International Patent Classification..

State Intellectual Property Office of China Receives Sichuan Tongpingjia Plastic Tech Co Ltd Patent Application for Modified Composite Municipal Drainage Pipe

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Sichuan Tongpingjia Plastic Tech Co Ltd patent application for Modified Composite Municipal Drainage Pipe. Zeng Guoqiong developed the invention. The patent application number is CN202511905419 20251217. The patent publication number is CN121631195 (..

Foshan Sanshui Energy Co Ltd Seeks Patent for Gas Pipe Network Abnormal Data Intelligent Identification and Early Warning Method and System

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Foshan Sanshui Energy Co Ltd has sought patent for Gas Pipe Network Abnormal Data Intelligent Identification and Early Warning Method and System. This invention was developed by Cheng Feng, Zeng Wenbiao, Ye Chengjun, Deng Zhicheng, Chen Luoke and Chen Haoyu. The patent application number is CN202511662396 ..

Qingdao Xinyang Energy Thermal Services Co Ltd Submits Chinese Patent Application for Oil and Gas Pipeline Detection System and Method Based on Routing Inspection Trajectory Planni..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Qingdao Xinyang Energy Thermal Services Co Ltd has submitted a patent application for Oil and Gas Pipeline Detection System and Method Based on Routing Inspection Trajectory Planning. This invention was developed by Zhang Jiyu. The patent application number is CN202511886980 20251215. The patent publicatio..

Clp Huite Thermal Design Tech Service Handan Co Ltd Submits Patent Application for Heat Insulation Structure of Heat Distribution Pipeline and Using Method of Heat Insulation Struc..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Clp Huite Thermal Design Tech Service Handan Co Ltd has submitted a patent application for Heat Insulation Structure of Heat Distribution Pipeline and Using Method of Heat Insulation Structure. Xu Yonghua, Zhang Jiandong, Xu Junqiang, Li Tiejun, Wang Jiadong and Li Duo developed the invention. The patent a..

State Intellectual Property Office of China Receives Gu Yibo Patent Application for Infrared Wax Melting Self-powered Oil Pipeline Paraffin Remover and Operation Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Gu Yibo patent application for Infrared Wax Melting Self-powered Oil Pipeline Paraffin Remover and Operation Method. Gu Yibo developed the invention. The patent application number is CN202410448719 20240415. The patent publication number is CN1215513..

Sichuan Fulede Tech Development Co Ltd Submits Chinese Patent Application for Method for Removing Fluorescent Substances on Surface of Welded Corrugated Pipe

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Sichuan Fulede Tech Development Co Ltd has submitted a patent application for Method for Removing Fluorescent Substances on Surface of Welded Corrugated Pipe. This invention was developed by Zhang Bo, Huang Zhengwei, Lyu Xianfeng, Yang Jun and Chen Yao. The patent application number is CN20261071300 202601..

Jinyi Intelligent Equipment Shanghai Co Ltd Applies for Patent on Burr Blowing and Breaking Machine for Welded Pipe

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Jinyi Intelligent Equipment Shanghai Co Ltd has applied Chinese patent for Burr Blowing and Breaking Machine for Welded Pipe. Zhang Yixi developed it. The patent application number is CN20251228239 20251230. The patent publication number is CN121551329 (A). International Patent Classification codes are B02..

Beijing Groundsun Tech Co Ltd Submits Chinese Patent Application for Automatic Spraying Production Device for Surface of High-flux Pipe

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Beijing Groundsun Tech Co Ltd has submitted a patent application for Automatic Spraying Production Device for Surface of High-flux Pipe. This invention was developed by Pang Lizhou, Qu Yinglin, Zhang Daxuan and Han Jun. The patent application number is CN20251241913 20251231. The patent publication number ..

Dejingyuan Jiangsu New Material Tech Co Ltd Submits Chinese Patent Application for Pipeline Premixer, Multi-component Liquid-phase Reactant Pipeline Premixing System and Method and..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Dejingyuan Jiangsu New Material Tech Co Ltd has submitted a patent application for Pipeline Premixer, Multi-component Liquid-phase Reactant Pipeline Premixing System and Method and Application of Pipeline Premixer and Multi-component Liquid-phase Reactant Pipeline Premixing System and Method. This invention w..

Xian Research Inst Of China Coal Technology & Engineering Group Corp Submits Chinese Patent Application for Drilling, Dredging and Protecting Integrated Machine and Method for Casi..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Xian Research Inst Of China Coal Technology & Engineering Group Corp has submitted a patent application for Drilling, Dredging and Protecting Integrated Machine and Method for Casing Pipe of Weakly-cemented Loose Aquifer of Underground Roof. This invention was developed by Yang Weifeng, Cheng Zhuo'er, Wang Si..

Henan Pimi New Material Tech Co Ltd Files Chinese Patent Application for Thermal Insulation Coating Material for High-temperature Pipeline and Preparation Process of Thermal Insula..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Henan Pimi New Material Tech Co Ltd has filed a patent application for Thermal Insulation Coating Material for High-temperature Pipeline and Preparation Process of Thermal Insulation Coating Material. This invention was developed by Liu Lei, Tang Xiaoli, Feng Yanan, Yan Liang, Cao Zhanfeng and Zheng Sen. T..

Guangdong Hushuntong Plastic Engineering Tech Co Ltd Seeks Patent for Anti-crack PVC Buried Pipe and Preparation Method Thereof

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Guangdong Hushuntong Plastic Engineering Tech Co Ltd has sought patent for Anti-crack PVC Buried Pipe and Preparation Method Thereof. This invention was developed by Gan Zhibin, Yong Jinming, Wang Xianhong and Tan Shujun. The patent application number is CN20251229868 20251230. The patent publication numbe..

Hebei Tongtao Pipe Ind Group Co Ltd Applies for Patent on High-strength Polyethylene Water Supply Pipe and Preparation Method Thereof

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Hebei Tongtao Pipe Ind Group Co Ltd has applied Chinese patent for High-strength Polyethylene Water Supply Pipe and Preparation Method Thereof. Fan Geng, Fan Yanpeng, Li Lele, Dai Yanhua, Wang Xianghua, Jia Haopeng, Wang Can, Pang Lei, Lee Ho-chul and Yang Zongquan developed it. The patent application numb..

Shandong Guanglian Pipes Co Ltd Submits Chinese Patent Application for High-strength Integrated Flexible Composite Pipe and Preparation Method Thereof

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Shandong Guanglian Pipes Co Ltd has submitted a patent application for High-strength Integrated Flexible Composite Pipe and Preparation Method Thereof. This invention was developed by Dou Ruizhi, Han Wenchao, Tian Bin, Tao Xiaodong and Bai Tianchen. The patent application number is CN20261025652 20260109. ..

Henan Yudi New Energy Co Ltd Seeks Patent for Automatic Coil Pipe Laying Device for Ground Source Heat Energy Buried Pipe Construction

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Henan Yudi New Energy Co Ltd has sought patent for Automatic Coil Pipe Laying Device for Ground Source Heat Energy Buried Pipe Construction. This invention was developed by Ye Linfeng, Chen Long, Qin Mengfei, Li Ran, Li Kaixuan, Ma Ruguang, Jin Fangyu, Hojo and Wang Dong. The patent application number is C..

Zhuochuan Intelligent Tech Wuxi Co Ltd Files Chinese Patent Application for Automatic Conveying Device for Powder Material Pneumatic Pipeline

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Zhuochuan Intelligent Tech Wuxi Co Ltd has filed a patent application for Automatic Conveying Device for Powder Material Pneumatic Pipeline. This invention was developed by Tang Shuai, Tian Xugang and Xiang Wenwu. The patent application number is CN202511629629 20251108. The patent publication number is CN..

State Intellectual Property Office of China Releases Shanghai Longteng Mach Mfg Co Ltd Patent Application for Pipe Belt Conveying Mechanism of Collaborative Robot

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released Shanghai Longteng Mach Mfg Co Ltd patent application for Pipe Belt Conveying Mechanism of Collaborative Robot. This invention was developed by Li Zhengrui, Qiao Guolong and Qiao Ying. The patent application number is CN202511957240 20251223. The pate..

State Intellectual Property Office of China Receives Dalian University of Technology and Chengdu Chengfei Aviation Industry Development Patent Application for Aviation Pipe Storage..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Dalian University of Technology and Chengdu Chengfei Aviation Industry Development patent application for Aviation Pipe Storage and Transportation Appliance. Miao Nan, Liu Changjiang, Tang Qianqian and Wang Yiqi developed the invention. The patent ap..

Guangdong Shangnan Fupan Logistics Equipment Co Ltd Seeks Patent for Intelligent Logistics Tray Steel Pipe Lock Catch

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Guangdong Shangnan Fupan Logistics Equipment Co Ltd has sought patent for Intelligent Logistics Tray Steel Pipe Lock Catch. This invention was developed by Sun Yemin. The patent application number is CN20251257923 20251231. The patent publication number is CN121553504 (A). International Patent Classificati..

Kunshan Zhengan Fluid Equipment Co Ltd Seeks Patent for Automatic Packaging Production Line for Pipe Fittings

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Kunshan Zhengan Fluid Equipment Co Ltd has sought patent for Automatic Packaging Production Line for Pipe Fittings. This invention was developed by Wang Baishi. The patent application number is CN20261052273 20260115. The patent publication number is CN121553494 (A). International Patent Classification cod..

Comps Compressor Shijiazhuang Co Ltd Submits Chinese Patent Application for Automatic Chamfering Machine for Steel Pipes

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Comps Compressor Shijiazhuang Co Ltd has submitted a patent application for Automatic Chamfering Machine for Steel Pipes. This invention was developed by Ma Chao and Sun Aixin. The patent application number is CN202511654613 20251112. The patent publication number is CN121551709 (A). International Patent C..

Jiangsu Sanchu Heavy Industry Tech Co Ltd Files Chinese Patent Application for Multi-angle Cutting Equipment for Metal Pipe Fittings

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Jiangsu Sanchu Heavy Industry Tech Co Ltd has filed a patent application for Multi-angle Cutting Equipment for Metal Pipe Fittings. This invention was developed by Zhang Zhiwei. The patent application number is CN202511953572 20251223. The patent publication number is CN121551696 (A). International Patent ..

State Intellectual Property Office of China Releases Shandong Keling Energy Saving Equipment Co Ltd Patent Application for Pneumatic Capillary Copper Pipe Expanding Machine and Pip..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released Shandong Keling Energy Saving Equipment Co Ltd patent application for Pneumatic Capillary Copper Pipe Expanding Machine and Pipe Expanding Method. This invention was developed by Liu Peng, Cui Dekai and Ge Jianmin. The patent application number is CN..

Hangzhou Jianheng Engineering Tech Co Ltd Seeks Patent for Intelligent Production System and Method for Two-end Expanding Special-shaped Seamless Steel Pipe

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Hangzhou Jianheng Engineering Tech Co Ltd has sought patent for Intelligent Production System and Method for Two-end Expanding Special-shaped Seamless Steel Pipe. This invention was developed by Wang Chunping, Zhu Xiaolong, Wang Fahui and Yuan Feng. The patent application number is CN20251243491 20251231. ..

Ningbo Mingyang Stainless Steel Pipe Co Ltd Applies for Patent on Double-seal Clamping and Pressing Type Stainless Steel Valve Connecting Pipe Fitting and Forming Device Thereof

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Ningbo Mingyang Stainless Steel Pipe Co Ltd has applied Chinese patent for Double-seal Clamping and Pressing Type Stainless Steel Valve Connecting Pipe Fitting and Forming Device Thereof. Yang Qifeng, Wu Qigang and Zhou Zhilong developed it. The patent application number is CN202511903659 20251217. The pat..

Chongqing Jiangdong Automobile Parts Co Ltd Applies for Patent on High-pressure Hot Air Expansion Composite Molding Process in Pipe Fitting

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Chongqing Jiangdong Automobile Parts Co Ltd has applied Chinese patent for High-pressure Hot Air Expansion Composite Molding Process in Pipe Fitting. Gan Ziyi, Fan Shuai, Xiong Lei, Wu Bo and Yang Jiexiao developed it. The patent application number is CN202511500525 20251021. The patent publication number ..

State Intellectual Property Office of China Receives Sichuan Tongyi Thermal Equipment Co Ltd Patent Application for Combined Pipe Coiling Equipment

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Sichuan Tongyi Thermal Equipment Co Ltd patent application for Combined Pipe Coiling Equipment. Wang Dan, Wang Yongyi and Lai Shirong developed the invention. The patent application number is CN20261095776 20260123. The patent publication number is C..

Jiangsu Sunyo Intelligent Equipment Tech Co Ltd Submits Chinese Patent Application for Large Rotary Type Large-width Longitudinal Welded Pipe Forming Machine and Operation Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Jiangsu Sunyo Intelligent Equipment Tech Co Ltd has submitted a patent application for Large Rotary Type Large-width Longitudinal Welded Pipe Forming Machine and Operation Method. This invention was developed by Zhou Jun, Wu Jinyan, Li Meng, Wang Gaoyuan, Tang Hong, Zhang Haoyu and Zhou Dongxiang. The pate..

Sate Fly Auto Mould Shanghai Co Ltd Applies for Patent on Magnesium Alloy Pipe Extruder

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Sate Fly Auto Mould Shanghai Co Ltd has applied Chinese patent for Magnesium Alloy Pipe Extruder. Hong Wei developed it. The patent application number is CN202511932054 20251219. The patent publication number is CN121551419 (A). International Patent Classification codes are B21C23/08 and B21C23/21. Coopera..

Sixth Constr Co Ltd China Nat Chemical Eng Corp Applies for Patent on Horizontal Construction Air Separation Cold Box Pipeline Impurity Removing Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Sixth Constr Co Ltd China Nat Chemical Eng Corp has applied Chinese patent for Horizontal Construction Air Separation Cold Box Pipeline Impurity Removing Method. Zhang Xiaoqiu, Xu Dong, Jin Yun, Zeng Qinli, Huang Xinyue and Wu Kuankuan developed it. The patent application number is CN20251230111 20251230. ..

Ningbo Yinci New Mat Co Ltd Applies for Patent on Impurity Adsorption Device for Pipeline Replacement

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Ningbo Yinci New Mat Co Ltd has applied Chinese patent for Impurity Adsorption Device for Pipeline Replacement. Xu Xiufen and Yang Wenwu developed it. The patent application number is CN202511776511 20251128. The patent publication number is CN121551339 (A). International Patent Classification codes are B0..

World Intellectual Property Organization Receives Shanghai Supezet Eng Tech Co Ltd Patent Application for Corrosion Defect Detection Apparatus and Method for Petrochemical Pipe

Pipe

| Fri 19 Jun 2026

Geneva, June 19 -- World Intellectual Property Organization has received Shanghai Supezet Eng Tech Co Ltd patent application for Corrosion Defect Detection Apparatus and Method for Petrochemical Pipe. Guo Jinhui, Jiang Hua, Fei Zhonghua and Mao Kaitian developed the invention. The patent application number is WO2025CN109168 2..

State Intellectual Property Office of China Publishes Jushi Group Patent Application for Stacking Equipment

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Jushi Group patent application for Stacking Equipment. The invention was developed by Zhu Tao, Gong Li, Jin Binbin, Chen Yi and Nian Fubiao. The patent application number is CN20261050591 20260115. The patent publication number is CN121553469 (A). I..

State Intellectual Property Office of China Publishes China National Petroleum Patent Application for Oil Pipe Rack Locking Device and Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published China National Petroleum patent application for Oil Pipe Rack Locking Device and Method. The invention was developed by Yang Yixing, Wei Cheng, Sui Mingxiang, Pan Hongwen, Wang Shangwei, Xiao Xufeng, Liu Lina, Li Chengzheng, Luo Yougang and Huang Bo. ..

Chongqing University of Science and Technology and Sichuan Kete Test Tech Co Ltd Submit Chinese Patent Application for Method and System for Predicting Stress of Buried Natural Gas..

Pipe

| Wed 17 Jun 2026

Beijing, June 18 -- Chongqing University of Science and Technology and Sichuan Kete Test Tech Co Ltd have submitted a patent application for Method and System for Predicting Stress of Buried Natural Gas Pipeline Under Action of Landslide. This invention was developed by Huang Huirong, Huang Xuesong, Du Defei, Tian Yuan, Yang Yua..

Shenyang Aerospace University, Emergency Repairing Center of State Grid Liaoning Electric Power Co Ltd, Liaoning Power Trans and Distribution Engineering Co Ltd, Wuhan Zhongke Inno..

Pipe

| Wed 17 Jun 2026

Beijing, June 18 -- Shenyang Aerospace University, Emergency Repairing Center of State Grid Liaoning Electric Power Co Ltd, Liaoning Power Trans and Distribution Engineering Co Ltd, Wuhan Zhongke Innovation Tech Co Ltd, State Grid Corporation of China and State Grid Liaoning Electric Power Supply Co Ltd have sought patent for Ul..

Chongqing Jiaotong University and Chongqing Chengtou Infrastructure Construction Co Ltd Submit Chinese Patent Application for Propeller-propelled Floating Detection Ball for Karst ..

Pipe

| Thu 18 Jun 2026

Beijing, June 18 -- Chongqing Jiaotong University and Chongqing Chengtou Infrastructure Construction Co Ltd have submitted a patent application for Propeller-propelled Floating Detection Ball for Karst Pipeline Detection. This invention was developed by Hou Zhongwei, Huang Yinglong, Jia Xiaogang and Zhang Xuefu. The patent ap..

Loudi China Resources Gas Co Ltd and Shandong Zhuocheng Intelligent Tech Co Ltd Apply for Patent on Model Training Method, Gas Pipeline Leakage Online Detection Method and Equipmen..

Pipe

| Wed 17 Jun 2026

Beijing, June 18 -- Loudi China Resources Gas Co Ltd and Shandong Zhuocheng Intelligent Tech Co Ltd have applied Chinese patent for Model Training Method, Gas Pipeline Leakage Online Detection Method and Equipment. Luo Haixia and Feng Ningbo developed it. The patent application number is CN202511575355 20251031. The patent pu..

Kuo Ting-yu, Lin Janice Jun-mei, Kuo Ting-hsuan, Kuo Rayron Ting-ray and Lin Janice Seek Patent for Corrugated Pipe Assembly Characterized in That by Penetratingly Arranging the Fi..

Pipe

| Wed 17 Jun 2026

Taipei, June 18 -- Kuo Ting-yu, Lin Janice Jun-mei, Kuo Ting-hsuan, Kuo Rayron Ting-ray and Lin Janice have sought patent for Corrugated Pipe Assembly Characterized in That by Penetratingly Arranging the First Bushing in the Corrugated Pipe to Provide the Flow Channel Space of Flowing Fluid, the Fluid Will Not Adhere to or Remai..

Beijing Aerospace Petrochemical Tech & Equipment Engineering Corp Ltd, Huaneng Group Technology Innovation Center and Huaneng Nuclear Energy Technology Research Institute Submit Ch..

Pipe

| Thu 18 Jun 2026

Beijing, June 18 -- Beijing Aerospace Petrochemical Tech & Equipment Engineering Corp Ltd, Huaneng Group Technology Innovation Center and Huaneng Nuclear Energy Technology Research Institute have submitted a patent application for Pilot-operated Type Helium Safety Valve Based on Telescopic Pipe Isolation. This invention was dev..

China Huaneng Group Co Ltd and Xi'an Thermal Power Research Inst Co Ltd File Chinese Patent Application for Pretreatment Process of Large-size High-temperature Alloy Extrusion Pipe..

Pipe

| Thu 18 Jun 2026

Beijing, June 18 -- China Huaneng Group Co Ltd and Xi'an Thermal Power Research Inst Co Ltd have filed a patent application for Pretreatment Process of Large-size High-temperature Alloy Extrusion Pipeline. This invention was developed by Yan Jingbo, Huang Guanshuo, Mao Wei, Ma Yiwen, Yuan Yong, Zhang Huan, Yang Zheng and Xu Peng..

China Power Construction Seventh Eng Bureau Southern Construction Co Ltd and Sinohydro Bureau 7 Submit Patent Application for Steel Branch Pipe Welding Residual Stress Detection Sy..

Pipe

| Wed 17 Jun 2026

Beijing, June 18 -- China Power Construction Seventh Eng Bureau Southern Construction Co Ltd and Sinohydro Bureau 7 have submitted a patent application for Steel Branch Pipe Welding Residual Stress Detection System and Method Based on Water Pressure Loading. Wang Zili, Hu Zhiming, Gong Mingyong, Tang Xiaolin, Wang Yanji, Zhang Y..

Beijing Zhiwang Shuke Tech Co Ltd, State Pipe Group West Pipeline Co Ltd and National Petroleum Pipeline Network Group Submit Chinese Patent Application for Equipment Start-stop St..

Pipe

| Wed 17 Jun 2026

Beijing, June 18 -- Beijing Zhiwang Shuke Tech Co Ltd, State Pipe Group West Pipeline Co Ltd and National Petroleum Pipeline Network Group have submitted a patent application for Equipment Start-stop Strategy Optimization Method and Device for Pipe Network Metering Equipment. This invention was developed by Xue Bing, Fu Mingfu, ..

Anhui Gourgen Traffic Construction and Hefei University of Technology Submit Patent Application for Multi-direction Inclined 0 # Block Steel Pipe Support System of Pier-beam Obliqu..

Pipe

| Thu 18 Jun 2026

Beijing, June 18 -- Anhui Gourgen Traffic Construction and Hefei University of Technology have submitted a patent application for Multi-direction Inclined 0 # Block Steel Pipe Support System of Pier-beam Oblique Crossing Suspended Pouring Bridge and Construction Method of Multi-direction Inclined 0 # Block Steel Pipe Support Sys..

Hangzhou Zhongya Machinery Submits Patent Application for Corrugated Pipe

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Hangzhou Zhongya Machinery has submitted a patent application for Corrugated Pipe. Jin Weidong, Shi Zheng, Shi Zhongwei and Tang Guanren developed the invention. The patent application number is CN202511965374 20251224. The patent publication number is CN121631008 (A). International Patent Classification c..

State Intellectual Property Office of China Releases GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences Patent Application for Pump-drive-free Super-long Gravity ..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released GuangZhou Institute of Energy Conversion,Chinese Academy of Sciences patent application for Pump-drive-free Super-long Gravity Assisted Heat Pipe Type Refrigerating System Applied to Deep Mine. This invention was developed by Jiang Fangming, Ma Qingshan..

State Intellectual Property Office of China Releases Huazhong University of Science and Technology Patent Application for Buried Pipe Heat Pump System Optimization Method and Devic..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released Huazhong University of Science and Technology patent application for Buried Pipe Heat Pump System Optimization Method and Device, Electronic Equipment and Storage Medium. This invention was developed by Ma Minghui, Peng Chenwei, Zhuang Mengrong, Wang Ya..

SEPCO1 Electric Power Construction Files Chinese Patent Application for Pre-welding Preheating System for High Alloy Steel Pipeline

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- SEPCO1 Electric Power Construction has filed a patent application for Pre-welding Preheating System for High Alloy Steel Pipeline. This invention was developed by Lei Meng, Wang Jinshun, Wang Wei, Miao Huixia, Xu Wenfa, Zhang Yantao, Wang Nengmiao, Song Chaohui and Zhang Anbang. The patent application number..

State Intellectual Property Office of China Publishes Changzhou University Patent Application for Data Real-time Sensing-based Pipeline Leakage Neural Network Detection Method, Sys..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Changzhou University patent application for Data Real-time Sensing-based Pipeline Leakage Neural Network Detection Method, System and Equipment and Medium. The invention was developed by Li Entian, Zhang Hanmeng, Liu Yang, Wang Chuanshuo, Xia Mingyu, L..

Sichuan Guangan Power Generation Submits Chinese Patent Application for Pipe Network Pressure Monitoring Device of GIS Braided Three-dimensional Pipeline Digital Twinning System

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Sichuan Guangan Power Generation has submitted a patent application for Pipe Network Pressure Monitoring Device of GIS Braided Three-dimensional Pipeline Digital Twinning System. This invention was developed by Ge Haizhong, Yang Fei and Yang Hua. The patent application number is CN202511763478 20251127. The ..

Hudong Heavy Machinery Submits Patent Application for Lubricating Oil Connecting Pipe Sealing Assembly for Diesel Engine

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Hudong Heavy Machinery has submitted a patent application for Lubricating Oil Connecting Pipe Sealing Assembly for Diesel Engine. Han Ruifeng, Gong Junjie, Zhou Ke and Qiu Ye developed the invention. The patent application number is CN202411249620 20240906. The patent publication number is CN121631148 (A). I..

China Constr 8th Engineering Division Applies for Patent on Automatic Exhaust Freezing Pipe and Exhaust Method

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- China Constr 8th Engineering Division has applied Chinese patent for Automatic Exhaust Freezing Pipe and Exhaust Method. Cao Mingyang, Wu Jianqiu, Lyu Xingxing, Hao Shuai, Wu Yuanhao and Ma Wenzhu developed it. The patent application number is CN202511853702 20251210. The patent publication number is CN12163..

Hudong Heavy Machinery Submits Patent Application for Protection Device for Expansion Joint in Pipeline

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Hudong Heavy Machinery has submitted a patent application for Protection Device for Expansion Joint in Pipeline. Lyu Linyan, Wang Kaixin, Zhu Renyi, Zhang Xia, Hou Chunguo, Xu Lei, Lin Yujie and Xing Ruyue developed the invention. The patent application number is CN202411249625 20240906. The patent publicati..

State Intellectual Property Office of China Publishes MCC Tiangong Patent Application for Drainage Pipe Mounting and Positioning Device and Construction Method

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published MCC Tiangong patent application for Drainage Pipe Mounting and Positioning Device and Construction Method. The invention was developed by Yang Yingchang and Zhang Jiakai. The patent application number is CN20251236390 20251231. The patent publication ..

State Intellectual Property Office of China Receives Anhui Gourgen Traffic Construction Patent Application for Large-diameter Slurry Balance Jacking Pipe and Construction Method

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Anhui Gourgen Traffic Construction patent application for Large-diameter Slurry Balance Jacking Pipe and Construction Method. Zhao Qiang, Yuan Wei, Zhang Ping, Yang Yakui, Li Hao, Zhao Shuwan, Wang Qing and Li Zhonghui developed the invention. The pate..

Powerchina Huadong Engineering Corporation Files Chinese Patent Application for Pipe Body Structure with Pressure Reduction, Non-return and Drainage Functions

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Powerchina Huadong Engineering Corporation has filed a patent application for Pipe Body Structure with Pressure Reduction, Non-return and Drainage Functions. This invention was developed by Yue Zhiwei, Yang Zhiyan, Huang Xiaogan and Cao Chunjian. The patent application number is CN202511730443 20251124. The ..

State Intellectual Property Office of China Receives Hangzhou Fada Gearbox Group Patent Application for Gear Box Hydraulic Pipeline for Electric Propulsion Ship and Connecting Meth..

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Hangzhou Fada Gearbox Group patent application for Gear Box Hydraulic Pipeline for Electric Propulsion Ship and Connecting Method. Lu Yemei, Zheng Guohua, Wang Hongyu, Yang Chaoliang, Yan Kaihong, Dai Jiaming and Huang Sheng developed the invention. Th..

State Intellectual Property Office of China Releases East China University of Science and Technology Patent Application for Pipe Fitting Test Fixture

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has released East China University of Science and Technology patent application for Pipe Fitting Test Fixture. This invention was developed by Wang Xiaoxiao, Liu Yongqiang, Bai Xiaoxiang, Chen Haofeng and Kong Desheng. The patent application number is CN20261012543..

Sichuan Fengbang Fire Technology Submits Patent Application for Device and Method for Detecting Wear Resistance of Fire Hose

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Sichuan Fengbang Fire Technology has submitted a patent application for Device and Method for Detecting Wear Resistance of Fire Hose. Xiao Chengfeng and Xiao Jianguo developed the invention. The patent application number is CN202610157149 20260204. The patent publication number is CN121632744 (A). Internatio..

World Intellectual Property Organization Receives Grant Prideco Patent Application for Unbonded Flexible Pipe for Transporting Fluid

Pipe

| Fri 19 Jun 2026

Geneva, June 19 -- World Intellectual Property Organization has received Grant Prideco patent application for Unbonded Flexible Pipe for Transporting Fluid. Lund Thorbjørn Østergaard and Lindberg Peter developed the invention. The patent application number is WO2025IB62301 20251202. The patent publication number is WO202612..

Handan Zhengda Pipe Group Submits Chinese Patent Application for Environment-friendly Hot-dip Galvanized Steel Pipe Passive Film Curing Furnace

Pipe

| Thu 18 Jun 2026

Beijing, June 19 -- Handan Zhengda Pipe Group has submitted a patent application for Environment-friendly Hot-dip Galvanized Steel Pipe Passive Film Curing Furnace. This invention was developed by Zhang Hongshun, You Hongli, Wang Zhi, Wang Yuanzhi, Wang Zhiwei, Han Jie and Zhai Yongli. The patent application number is CN2026101..

State Intellectual Property Office of China Publishes Hudong Heavy Machinery Patent Application for Air-permeable Pipeline Oil-gas Separation Device

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Hudong Heavy Machinery patent application for Air-permeable Pipeline Oil-gas Separation Device. The invention was developed by Zhang Bo, Han Ruifeng, Hu Weiyang and Huang Yefeng. The patent application number is CN202411257645 20240909. The patent pub..

State Intellectual Property Office of China Receives Jinzhongtian Water Conservancy Construction Patent Application for Pipe Jacking Thixotropic Slurry Grouting System and Construc..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has received Jinzhongtian Water Conservancy Construction patent application for Pipe Jacking Thixotropic Slurry Grouting System and Construction Method Thereof. Zhou Junlie, Zeng Hua, Ke Xiujuan, Wei Lihua, Chen Huan, Liao Zhenfeng, Long Huaqiang, Liang Xiaoyan, Li ..

China Three Gorges Renewables Group Seeks Patent for Light-splitting Solar Concentrator Integrating Photovoltaics and Conical Pipe

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- China Three Gorges Renewables Group has sought patent for Light-splitting Solar Concentrator Integrating Photovoltaics and Conical Pipe. This invention was developed by Wei Xuewen, Cao Dongmei, Dou Xiaoxiao, Ma Ke, Yu Jialu, Zhang Erxin and Liu Wenjing. The patent application number is CN202511685119 2025111..

Harbin Institute of Technology Seeks Patent for Method for Killing Limnoperna Fortunei of Raw Water Delivery Pipeline by Adopting Ferrate

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Harbin Institute of Technology has sought patent for Method for Killing Limnoperna Fortunei of Raw Water Delivery Pipeline by Adopting Ferrate. This invention was developed by Wang Lu, Cao Guoqing, Liu Yulei, Xu De'en and Ma Jun. The patent application number is CN202511889021 20251215. The patent publicatio..

Shaanxi Youfa Steel Pipe Submits Chinese Patent Application for Attitude Control System and Method for Steel Pipe to Obliquely Enter Pickling Tank

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Shaanxi Youfa Steel Pipe has submitted a patent application for Attitude Control System and Method for Steel Pipe to Obliquely Enter Pickling Tank. This invention was developed by Wang Jianfeng, Wei Xiaojun, Gao Hongtao, Meng Xianhua, Niu Dong and Liang Pengju. The patent application number is CN20261063591 ..

Zhejiang University of Technology Submits Chinese Patent Application for Stepped Steel Pipe Feeding Device Capable of Separating and Centering Single Steel Pipe and Working Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Zhejiang University of Technology has submitted a patent application for Stepped Steel Pipe Feeding Device Capable of Separating and Centering Single Steel Pipe and Working Method. This invention was developed by Wang Yangyu, Chen Songquan, Ma Xinnan, Yao Lei and Peng Gengcai. The patent application number i..

Shanhe Xinghang Industry Submits Chinese Patent Application for Mooring Unmanned Aerial Vehicle Pipe Cable Take-up and Pay-off Device

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Shanhe Xinghang Industry has submitted a patent application for Mooring Unmanned Aerial Vehicle Pipe Cable Take-up and Pay-off Device. This invention was developed by Yang Long, Yang Zhuo, He Qinghua, Huang Wen, Li Chunlei and Qi Desheng. The patent application number is CN202511699167 20251119. The patent p..

Shanhe Xinghang Industry Applies for Patent on Pressure Detection Structure and Pipe Cable Take-up and Pay-off Device

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Shanhe Xinghang Industry has applied Chinese patent for Pressure Detection Structure and Pipe Cable Take-up and Pay-off Device. Yang Long, Yang Zhuo, He Qinghua, Huang Wen and Li Chunlei developed it. The patent application number is CN202511699164 20251119. The patent publication number is CN121553385 (A). ..

Beijing Jin Shi Wan Pipeline Technique Submits Chinese Patent Application for Hydraulic Drive Type Cold Cutting Pipe Cutting Machine Suitable for Dn400 Caliber or Above

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Beijing Jin Shi Wan Pipeline Technique has submitted a patent application for Hydraulic Drive Type Cold Cutting Pipe Cutting Machine Suitable for Dn400 Caliber or Above. This invention was developed by Li Chuanda, Yang Jie, Zhang Xueliang, Zhang Qingxian, Li Chunjiang and Li Chao. The patent application numb..

Heshan Lesso Industrial Development Applies for Patent on Turning Tool, Pipe Connector Machining Device and Pipe Connector Machining Method

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- Heshan Lesso Industrial Development has applied Chinese patent for Turning Tool, Pipe Connector Machining Device and Pipe Connector Machining Method. Wang Zhenhua, Ou Weiyong and Feng Weiquan developed it. The patent application number is CN202511896869 20251216. The patent publication number is CN121551652 ..

State Intellectual Property Office of China Publishes Xi'an Jiaotong University Patent Application for Opposite Roller Spinning and Extruding Composite Forming Manufacturing Proces..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Xi'an Jiaotong University patent application for Opposite Roller Spinning and Extruding Composite Forming Manufacturing Process for Seamless Corrugated Pipe. The invention was developed by Zhang Peng, Wu Tao, Li Fan, Sang Xingbo, Zhao Shengdun, Li Jing..

State Intellectual Property Office of China Publishes Shandong Jianzhu University Patent Application for Laminated Foil Roll Internal Pressure Forming-high-temperature In-situ Reac..

Pipe

| Fri 19 Jun 2026

Beijing, June 19 -- State Intellectual Property Office of China has published Shandong Jianzhu University patent application for Laminated Foil Roll Internal Pressure Forming-high-temperature In-situ Reaction Composite Preparation Method of Intermetallic Compound Thin-wall Pipe Fitting. The invention was developed by Liu Jian, C..

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