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Jia Peilei Submits Chinese Patent Application for Steel Pipe Machining Method

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jia Peilei has submitted a patent application for Steel Pipe Machining Method. The patent application number is CN202310795891 20230701. The patent publication number is CN121798299 (A). International Patent Classification code is B23P15/00. Cooperative Patent Classification code is B23P15/00 (CN). An a..

Victory Photonics Tech Suzhou Co Ltd Submits Chinese Patent Application for Pipe Fitting Machining Jig and Welding Device Thereof

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| Wed 08 Jul 2026

Beijing, July 8 -- Victory Photonics Tech Suzhou Co Ltd has submitted a patent application for Pipe Fitting Machining Jig and Welding Device Thereof. This invention was developed by Huang Jia. The patent application number is CN202610182666 20260209. The patent publication number is CN121798293 (A). International Patent Class..

Wuhan Zhengyuan Electric Co Ltd Submits Chinese Patent Application for Traction Transformer Oil Pipe Welding Device

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| Wed 08 Jul 2026

Beijing, July 8 -- Wuhan Zhengyuan Electric Co Ltd has submitted a patent application for Traction Transformer Oil Pipe Welding Device. This invention was developed by Wang Yiwen, Wang Ting and Li Yin. The patent application number is CN20261057845 20260116. The patent publication number is CN121798292 (A). International Pate..

Jiangsu Tongliu Aerospace Tech Co Ltd Submits Patent Application for Welding Equipment and Process for Thin-wall Thin Pipe for Pipeline System

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jiangsu Tongliu Aerospace Tech Co Ltd has submitted a patent application for Welding Equipment and Process for Thin-wall Thin Pipe for Pipeline System. Qu Baofeng, Sheng Jie and Xu Zhiwei developed the invention. The patent application number is CN20261009923 20260106. The patent publication number is CN121..

Jiangsu Hengyu Laser Equipment Co Ltd Submits Chinese Patent Application for Double-station Conveying and Discharging Device of Laser Pipe Cutting Machine

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jiangsu Hengyu Laser Equipment Co Ltd has submitted a patent application for Double-station Conveying and Discharging Device of Laser Pipe Cutting Machine. This invention was developed by Shi Xiaozhao, Zhuo Rui, Yu Min, Kang Liang and Wang Zihui. The patent application number is CN202610103416 20260126. The..

Shaoxing Super High Refrigeration And Heating Ventilation Co Ltd Submits Patent Application for Copper Pipe and Stainless Steel Pipe Welding Method and Welding Tool Based on Laser ..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Shaoxing Super High Refrigeration And Heating Ventilation Co Ltd has submitted a patent application for Copper Pipe and Stainless Steel Pipe Welding Method and Welding Tool Based on Laser Welding. Li Jiankang, Shou Kaiyuan and Zuo Shangjun developed the invention. The patent application number is CN20261015..

Chenwei Intelligent Equipment Guangdong Co Ltd Submits Chinese Patent Application for Feeding Mechanism of Pipeline Laser Cutting Machine

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Chenwei Intelligent Equipment Guangdong Co Ltd has submitted a patent application for Feeding Mechanism of Pipeline Laser Cutting Machine. This invention was developed by Bu Kunkun, Zhang Qiangqiang and Bu Rui. The patent application number is CN202610259971 20260304. The patent publication number is CN1217..

Suzhou Institute Of Technology Submits Chinese Patent Application for Groove Laser Cutting Correction Device and Method Based on Pipeline Saddle Surface

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Suzhou Institute Of Technology has submitted a patent application for Groove Laser Cutting Correction Device and Method Based on Pipeline Saddle Surface. This invention was developed by Lu Liang, Xu Jiang, Wang Zhanyu and Lu Zhijie. The patent application number is CN20261085520 20260122. The patent publica..

State Intellectual Property Office of China Publishes Sun Liangshuai Patent Application for Portable Multifunctional Fire Hose with Fire Source Positioning Function

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Sun Liangshuai patent application for Portable Multifunctional Fire Hose with Fire Source Positioning Function. The patent application number is CN202610202585 20260212. The patent publication number is CN121796857 (A). International Patent Classifi..

Liu Zhengchi Applies for Patent on Auxiliary Laying Device for Fire Hose

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Liu Zhengchi has applied Chinese patent for Auxiliary Laying Device for Fire Hose. The patent application number is CN202610272431 20260306. The patent publication number is CN121796856 (A). International Patent Classification code is A62C33/04. Cooperative Patent Classification code is A62C33/04 (CN). ..

Jiang Guangsen Submits Chinese Patent Application for Fire Hose Laying Protection Equipment Suitable for Mountainous and Hilly Land and Use Method of Fire Hose Laying Protection Eq..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jiang Guangsen has submitted a patent application for Fire Hose Laying Protection Equipment Suitable for Mountainous and Hilly Land and Use Method of Fire Hose Laying Protection Equipment. The patent application number is CN202610159390 20260204. The patent publication number is CN121796854 (A). Internatio..

State Intellectual Property Office of China Releases Shenyang Rms Medical Tech Co Ltd Patent Application for Breathing Humidifying Equipment Pipeline Gas Flow Calibration Method, D..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Shenyang Rms Medical Tech Co Ltd patent application for Breathing Humidifying Equipment Pipeline Gas Flow Calibration Method, Device, Equipment and Medium. This invention was developed by Jing Jing, Zhou Chengguang, Lu Xuchen, Li Gang, Chen Shaochun, Li ..

Jiangsu Huanuotai Biological Medicine Tech Co Ltd Submits Chinese Patent Application for Steam Sterilization Pipeline and Operation Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jiangsu Huanuotai Biological Medicine Tech Co Ltd has submitted a patent application for Steam Sterilization Pipeline and Operation Method Thereof. This invention was developed by Yang Peng, Li Jun, Qi Shuya, Zhu Xiang and Zhao Bin. The patent application number is CN202610298548 20260312. The patent public..

State Intellectual Property Office of China Releases Guangdong Quanxing Construction Co Ltd Patent Application for Waterproof Acid-alkali-resistant Coating for Gas Pipeline and Pre..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Guangdong Quanxing Construction Co Ltd patent application for Waterproof Acid-alkali-resistant Coating for Gas Pipeline and Preparation Method of Waterproof Acid-alkali-resistant Coating. This invention was developed by Liu Baodong, Wang Quanyuan, Huang ..

Heilongjiang Ronglinjian Construction Eng Co Ltd Files Chinese Patent Application for Powder Coating Applied to Pipeline Protection and Preparation Method Thereof

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Heilongjiang Ronglinjian Construction Eng Co Ltd has filed a patent application for Powder Coating Applied to Pipeline Protection and Preparation Method Thereof. This invention was developed by Zhang Peng and Sun Ying. The patent application number is CN20261057142 20260116. The patent publication number is..

State Intellectual Property Office of China Publishes China Three Gorges and Shanghai Investigation Design & Research Institute Co Ltd Patent Application for Coating for Water Supp..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published China Three Gorges and Shanghai Investigation Design & Research Institute Co Ltd patent application for Coating for Water Supply Pipeline, Water Supply Pipeline Coating and Preparation Method of Water Supply Pipeline Coating. The invention was developed..

Shaanxi Kelong New Material Tech Co Ltd Submits Chinese Patent Application for Wear-resistant and Compression-resistant Polytetrafluoroethylene Material, Preparation Method Thereof..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Shaanxi Kelong New Material Tech Co Ltd has submitted a patent application for Wear-resistant and Compression-resistant Polytetrafluoroethylene Material, Preparation Method Thereof and Hose Assembly. This invention was developed by Liu Min, Li Xiao, Sun Tianlei and Feng Xudong. The patent application number..

Hangzhou Xinyu Plastic Ind Co Ltd Files Chinese Patent Application for High-strength Anti-aging Mpp Pipe and Preparation Method Thereof

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Hangzhou Xinyu Plastic Ind Co Ltd has filed a patent application for High-strength Anti-aging Mpp Pipe and Preparation Method Thereof. This invention was developed by Yu Weidi and Yao Jianxin. The patent application number is CN20261070290 20260120. The patent publication number is CN121801201 (A). Internat..

State Intellectual Property Office of China Releases Dalian Yida Prec Rubber Products Co Ltd Patent Application for Low-odor High-flame-retardant Rubber Material for Special-shaped..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Dalian Yida Prec Rubber Products Co Ltd patent application for Low-odor High-flame-retardant Rubber Material for Special-shaped Bent Pipe of Automobile Cooling System and Preparation Method of Low-odor High-flame-retardant Rubber Material. This invention..

China West Construction Building Materials Science Research Inst Co Ltd Submits Chinese Patent Application for Resin Material for Trenchless Pipeline Repair as Well as Preparation ..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- China West Construction Building Materials Science Research Inst Co Ltd has submitted a patent application for Resin Material for Trenchless Pipeline Repair as Well as Preparation Method and Application Thereof. This invention was developed by Jin Zihao, Yan Songling, Ye Zi, Zhang Rui, Gao Yuxin, Han Wenjin, L..

Guangzhou Research Institute Of Xidian University Submits Patent Application for Bacillus Purification Pipeline System and Method Applied to Food Safety Production

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Guangzhou Research Institute Of Xidian University has submitted a patent application for Bacillus Purification Pipeline System and Method Applied to Food Safety Production. Sun Lejia, Zhang Zeyu, He Yanjing and Yoon Ho-seung developed the invention. The patent application number is CN202511722025 20251121. ..

State Intellectual Property Office of China Releases Oh Yoon Es Patent Application for Support Bracket for Supporting Support Rod, Mounting Bracket for Mounting Sprinkler Reducing ..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Oh Yoon Es patent application for Support Bracket for Supporting Support Rod, Mounting Bracket for Mounting Sprinkler Reducing Pipe on Support Rod, and Sprinkler Support Assembly Comprising Same. This invention was developed by Kim Young-chang, Si Changj..

State Grid Jiangsu Economic Research Institute Submits Chinese Patent Application for Self-locking All-steel Connecting Device for Phc Pipe Pile and Power Transmission Tower Foot

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Grid Jiangsu Economic Research Institute has submitted a patent application for Self-locking All-steel Connecting Device for Phc Pipe Pile and Power Transmission Tower Foot. This invention was developed by Xu Weizhou, Su Yongliang, Zhang Nan, Dai Wangshu and Wang Bo. The patent application number is C..

Guangzhou Lingjie Fluid Tech Co Ltd Submits Chinese Patent Application for High-pressure Water Cleaning Machine for Pipeline Cleaning

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Guangzhou Lingjie Fluid Tech Co Ltd has submitted a patent application for High-pressure Water Cleaning Machine for Pipeline Cleaning. This invention was developed by Liang Jinting, Tang Yuxiang and Tan Qianmei. The patent application number is CN202311551547 20231120. The patent publication number is CN121..

Taizhou Liguangrui New Material Tech Co Ltd Seeks Patent for Chemical Pipeline Cleaning Device and Control Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Taizhou Liguangrui New Material Tech Co Ltd has sought patent for Chemical Pipeline Cleaning Device and Control Method Thereof. This invention was developed by Yu Guansong, Zheng Xinyuan, Liu Zheng, Zhang Fan, Guo Liang, Huang Honglin, Li Dongsheng and Liu Yong. The patent application number is CN2026102818..

Zhang Hu Seeks Patent for Drainage Pipeline Excavation Supporting Device

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhang Hu has sought patent for Drainage Pipeline Excavation Supporting Device. This invention was developed by Zhang Hu, Wei Dechao and Chen Yanlong. The patent application number is CN202310607749 20230526. The patent publication number is CN121802856 (A). International Patent Classification codes are E02D..

Shanxi Province Traffic Construction Project Quality Testing Center Co Ltd Applies for Patent on Reset Pre-jacking Device in Repairing Process of Highway Steel Corrugated Pipe Culv..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Shanxi Province Traffic Construction Project Quality Testing Center Co Ltd has applied Chinese patent for Reset Pre-jacking Device in Repairing Process of Highway Steel Corrugated Pipe Culvert. Yang Linjie, Zhou Yuhua, Niu Yongzheng, Shi Huigang, Ma Yanping, Guo Donghong, Zhao Xuefeng, Ma Xiangyu, Chen Pengfei..

Zhejiang Jianheng Ind Co Ltd Files Chinese Patent Application for Pipe Anti-corrosion Plastic Coating Treatment Device

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhejiang Jianheng Ind Co Ltd has filed a patent application for Pipe Anti-corrosion Plastic Coating Treatment Device. This invention was developed by Hu Ziming, Peng Lehuan, Yuan Shuai, Hu Xingyu, Huang Jinhua, Du Zhenqiang and Ying Quan. The patent application number is CN20261093804 20260123. The patent p..

Zhang Deyong Submits Patent Application for Spraying Equipment for Inner Wall of Polyvinyl Chloride Plastic-coated Steel Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhang Deyong has submitted a patent application for Spraying Equipment for Inner Wall of Polyvinyl Chloride Plastic-coated Steel Pipe. Hu Huanian and Zhang Deyong developed the invention. The patent application number is CN202311353770 20231018. The patent publication number is CN121797543 (A). Internationa..

Yangzhou Longchuan Energy Equipment Co Ltd Seeks Patent for L485q Seamless Steel Pipe for Compressed Air Energy Storage and Manufacturing Method of L485q Seamless Steel Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Yangzhou Longchuan Energy Equipment Co Ltd has sought patent for L485q Seamless Steel Pipe for Compressed Air Energy Storage and Manufacturing Method of L485q Seamless Steel Pipe. This invention was developed by Wang Lujun, Wu Hao, Shen Jiabao, Ding Jianwen and Shi Shanmiao. The patent application number is..

Beijing Jiangbo Environment Tech Co Ltd Seeks Patent for Membrane Type Gas Drying Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Beijing Jiangbo Environment Tech Co Ltd has sought patent for Membrane Type Gas Drying Pipe. This invention was developed by Li Baojiang, Yang Wende, Zhu Tongbin and Zhang Shuting. The patent application number is CN202610218804 20260224. The patent publication number is CN121797066 (A). International Paten..

Fanchang Nantian Electric Power Co Ltd Applies for Patent on Optimization and Transformation System for Direct Water Replenishing Pipeline from Outlet Water of Variable-porosity Fi..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Fanchang Nantian Electric Power Co Ltd has applied Chinese patent for Optimization and Transformation System for Direct Water Replenishing Pipeline from Outlet Water of Variable-porosity Filter to Circulating Water Tank. Jiang Hongri, Zhang Xingfu, Liu Yutong, Fan Zhen, Shen Jiao and Wei Longpeng developed it...

Zhang Jiuyong Submits Chinese Patent Application for Steel Pipe Quenching Device

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhang Jiuyong has submitted a patent application for Steel Pipe Quenching Device. This invention was developed by Zhang Jiuyong and Li Shengxiang. The patent application number is CN202311467897 20231107. The patent publication number is CN121802143 (A). International Patent Classification codes are C21D1/1..

Guangdong Henkel Tech Co Ltd Applies for Patent on Flying Saw Machine Tool for Metal Pipe Production Cutting

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Guangdong Henkel Tech Co Ltd has applied Chinese patent for Flying Saw Machine Tool for Metal Pipe Production Cutting. Lyu Haihui, Huang Jingan, Huang Shichang and Xiao Yuanping developed it. The patent application number is CN202610112005 20260127. The patent publication number is CN121798042 (A). Internat..

Dezhou Horizon Oil Tools Co Ltd Submits Chinese Patent Application for High-pressure-resistant Rotary Tail Pipe Well Cementation Cement Head

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Dezhou Horizon Oil Tools Co Ltd has submitted a patent application for High-pressure-resistant Rotary Tail Pipe Well Cementation Cement Head. This invention was developed by Sun Xiaoming, Chen Lei, Liu Xingtian, Fu Guorui, Hu Jinjian and Li Wenhao. The patent application number is CN202610282005 20260310. T..

Taizhou Junhui Electromechanical Equipment Installation Eng Co Ltd Submits Chinese Patent Application for Chemical Pipeline Splitting Device and Splitting Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Taizhou Junhui Electromechanical Equipment Installation Eng Co Ltd has submitted a patent application for Chemical Pipeline Splitting Device and Splitting Method Thereof. This invention was developed by Xiao Hai'an, Guo Wanyang, Wang Bang and Gu Zhengwei. The patent application number is CN202310464126 2023..

State Intellectual Property Office of China Releases Jiangsu Chengzhonghe Intelligent Mfg Co Ltd Patent Application for Efficient Machining Equipment for Motor Shell Steel Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Jiangsu Chengzhonghe Intelligent Mfg Co Ltd patent application for Efficient Machining Equipment for Motor Shell Steel Pipe. This invention was developed by Lu Jian, Lu Yaohong and Wang Wencui. The patent application number is CN202610283283 20260310...

State Intellectual Property Office of China Receives Shandong Juncheng Green Energy Material Tech Co Ltd Patent Application for Automatic Pipe Fitting Cutting Device

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has received Shandong Juncheng Green Energy Material Tech Co Ltd patent application for Automatic Pipe Fitting Cutting Device. Zhang Yun, Meng Wei and Xu Ling developed the invention. The patent application number is CN202610242960 20260302. The patent publication..

Dongying Huanghe Gas Co Ltd Submits Patent Application for Gas Pipeline Construction Equipment for Municipal Engineering

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Dongying Huanghe Gas Co Ltd has submitted a patent application for Gas Pipeline Construction Equipment for Municipal Engineering. Liu Aichen, Ren Xiaoyun, Yang Fajun and Zhang Benci developed the invention. The patent application number is CN202610150605 20260203. The patent publication number is CN12179802..

State Intellectual Property Office of China Publishes Zhuhai Ganglong Metal Co Ltd Patent Application for Internal Thread Reinforced Heat Exchange Copper Pipe and Rotary Swaging Fo..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Zhuhai Ganglong Metal Co Ltd patent application for Internal Thread Reinforced Heat Exchange Copper Pipe and Rotary Swaging Forming Equipment Thereof. The invention was developed by Chen Liang, Quan Yanjie, Li Rui, Duan Xiaohui and Yang Lin. The pate..

State Intellectual Property Office of China Receives Tianjin Heavy Equip Eng Res Co and China First Heavy Industries Patent Application for Nuclear Power Evaporator Integrated End ..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has received Tianjin Heavy Equip Eng Res Co and China First Heavy Industries patent application for Nuclear Power Evaporator Integrated End Socket Connecting Pipe Flanging Forming Method and Forming Tool. Ren Liguo, Du Dongxu, Liu Kaiquan, Liu Jingjie, Zhao Deli and ..

State Intellectual Property Office of China Receives Tianjin Heavy Equip Eng Res Co and China First Heavy Industries Patent Application for Integrated End Socket Connecting Pipe Fl..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has received Tianjin Heavy Equip Eng Res Co and China First Heavy Industries patent application for Integrated End Socket Connecting Pipe Flanging Forming Tool. Ren Liguo, Du Dongxu, Liu Kaiquan, Gao Runzhe, Liu Jingjie and Zhao Deli developed the invention. The p..

State Intellectual Property Office of China Publishes Zhengneng Machinery Tech Zhangjiagang Co Ltd Patent Application for Electric Intelligent High-precision Pipe Bending Machine a..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Zhengneng Machinery Tech Zhangjiagang Co Ltd patent application for Electric Intelligent High-precision Pipe Bending Machine and Control Method Thereof. The invention was developed by Dong Xuejun and Dong Jie. The patent application number is CN20261..

State Intellectual Property Office of China Releases Dalian Fuyun Heavy Industry Machinery Mfg Co Ltd Patent Application for Large-span Five-roller Round Pipe Forming Rolling Mill

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Dalian Fuyun Heavy Industry Machinery Mfg Co Ltd patent application for Large-span Five-roller Round Pipe Forming Rolling Mill. This invention was developed by Gao Yusheng, Gao Yunan, Gao Guowu and Li Linna. The patent application number is CN20261013..

Hunan Xiangtou Jintian Advanced Materials Innovation Research Institute Co Ltd Submits Chinese Patent Application for Titanium Alloy Seamless Pipe and Preparation Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Hunan Xiangtou Jintian Advanced Materials Innovation Research Institute Co Ltd has submitted a patent application for Titanium Alloy Seamless Pipe and Preparation Method Thereof. This invention was developed by Xiang Wuyuan, Zhang Huijie, Wen Kai, Chen Lyubin, Yang Sheng, Ouyang Tao, Zou Tianpeng, Li Chen, Xia..

Zhang Song Files Chinese Patent Application for Manufacturing Method of Circular Steel Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhang Song has filed a patent application for Manufacturing Method of Circular Steel Pipe. The patent application number is CN202311732013 20231216. The patent publication number is CN121797788 (A). International Patent Classification codes are B21C37/06 and C23G3/04. Cooperative Patent Classification codes ..

Guangdong Jinming Ind Aluminium Co Ltd Submits Patent Application for Aluminum Pipe Oil Coating Method Based on Cold Drawing Oil Coating Device and Vehicle-mounted Lens

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Guangdong Jinming Ind Aluminium Co Ltd has submitted a patent application for Aluminum Pipe Oil Coating Method Based on Cold Drawing Oil Coating Device and Vehicle-mounted Lens. Xue Shicheng, Liang Shugen and Yao Yilin developed the invention. The patent application number is CN20251238094 20251231. The pat..

Beijing Shougang Gitane New Mat Co Ltd Applies for Patent on Preparation Method of Long-life High-temperature Magnesium Oxide Powder Heating Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Beijing Shougang Gitane New Mat Co Ltd has applied Chinese patent for Preparation Method of Long-life High-temperature Magnesium Oxide Powder Heating Pipe. Zhang Changlei, Sun Zhicong and Zhang Wenjuan developed it. The patent application number is CN202511777755 20251128. The patent publication number is C..

Hangzhou Xiaoshan International Airport Co Ltd Files Chinese Patent Application for Excavator Construction Monitoring System and Method Based on Pipeline Protection

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Hangzhou Xiaoshan International Airport Co Ltd has filed a patent application for Excavator Construction Monitoring System and Method Based on Pipeline Protection. This invention was developed by Li Wang, Li Lingjie, Gao Jie, Qiu Liuzhong, He Zhangmiao, Li Xiaofu and He Yinbo. The patent application number ..

Xiamen Dev Shock Absorber Co Ltd Seeks Patent for Shock Absorber Pipe Fitting Structure

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Xiamen Dev Shock Absorber Co Ltd has sought patent for Shock Absorber Pipe Fitting Structure. This invention was developed by Zheng Jun, Xu Yongying, Zhuang Dingwei, Wang Wenxue and Yang Zhirong. The patent application number is CN202511736611 20251125. The patent publication number is CN121803582 (A). Inte..

State Intellectual Property Office of China Releases Guangdong Likai Electromechanical Equipment Eng Co Ltd Patent Application for Cooling Water Pipeline Maintenance Structure of C..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Guangdong Likai Electromechanical Equipment Eng Co Ltd patent application for Cooling Water Pipeline Maintenance Structure of Centrifugal Air Compressor. This invention was developed by Lu Ren, Peng Weiquan and Liang Hongfei. The patent application nu..

State Intellectual Property Office of China Publishes Nantong Polytechnic College and Nantong Wanda Energy Power Technology Patent Application for Synchronous Positioning Frame for..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Nantong Polytechnic College and Nantong Wanda Energy Power Technology patent application for Synchronous Positioning Frame for Multiple Rows of Pipes in Full-automatic Welding of Coiled Pipes. The invention was developed by Yu Guofeng, Jiang Jie, Zeng G..

Suzhou Institute Of Technology Seeks Patent for Dissimilar Metal Material Pipeline Welding Device and Using Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Suzhou Institute Of Technology has sought patent for Dissimilar Metal Material Pipeline Welding Device and Using Method Thereof. This invention was developed by Zhang Yaocheng, Niu Wenqing, Qian You, Meng Tao and Shen Yihan. The patent application number is CN202610171483 20260206. The patent publication nu..

Hebei Bingchen Engineering Mat Co Ltd Files Chinese Patent Application for Laser Fixed-length High-precision Cutting Device for Spiral Steel Corrugated Pipe

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Hebei Bingchen Engineering Mat Co Ltd has filed a patent application for Laser Fixed-length High-precision Cutting Device for Spiral Steel Corrugated Pipe. This invention was developed by Han Jie. The patent application number is CN20261059310 20260116. The patent publication number is CN121798177 (A). Inte..

State Intellectual Property Office of China Releases Shanghai Power Equipment Research Institute Co Ltd Patent Application for Device System and Method for Starting Warm Pipe Impac..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Shanghai Power Equipment Research Institute Co Ltd patent application for Device System and Method for Starting Warm Pipe Impact Rotation of Direct-fired Carbon Dioxide Power Generation System. This invention was developed by Yang Mingcheng, Liu Jia, Che..

State Intellectual Property Office of China Releases Zhejiang Hailite Automobile Air Conditioner Parts Co Ltd Patent Application for Welding Clamp for High-pressure Oil Pipe and We..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Zhejiang Hailite Automobile Air Conditioner Parts Co Ltd patent application for Welding Clamp for High-pressure Oil Pipe and Welding Method of Welding Clamp. This invention was developed by Chen Libo, Chen Feng, Hou Dongping, Yao Zhichao, Xi Wenzhong, Li..

State Intellectual Property Office of China Releases Foshan Shuiyuan Changtong Steel Pipe Co Ltd Patent Application for Welding Device for Steel Pipe Machining and Manufacturing

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Foshan Shuiyuan Changtong Steel Pipe Co Ltd patent application for Welding Device for Steel Pipe Machining and Manufacturing. This invention was developed by Feng Yuhu, Zhao Jingjing and Feng Shule. The patent application number is CN202610146488 2026..

No. 719 Research Institute China State Shipbuilding Corporation Limited Files Chinese Patent Application for Welding Tool for Elastic Corrugated Pipe Butt Weld and Assembling Metho..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- No. 719 Research Institute China State Shipbuilding Corporation Limited has filed a patent application for Welding Tool for Elastic Corrugated Pipe Butt Weld and Assembling Method. This invention was developed by Ling Bo, Peng Zhigang, Ji Renchao, Chen Wei, Wu Tao, Hu Dawei, He Peng, Zhang Mangong, Xu Ziqi, Wu..

State Intellectual Property Office of China Releases Jubian Xinneng Anhui Co Ltd Patent Application for Welding Method and Welding Structure for Narrow and Small Space Pipeline of ..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Jubian Xinneng Anhui Co Ltd patent application for Welding Method and Welding Structure for Narrow and Small Space Pipeline of Fusion Device. This invention was developed by Yi Delu, Yin Hongyu, Dong Xiaoyu, Zhang Zhang and Zhang Yicai. The patent app..

State Intellectual Property Office of China Publishes Dongying Jinwang Petroleum Machinery Mfg Co Ltd Patent Application for Pre-filling Double-layer Sand Prevention Slotted Screen..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Dongying Jinwang Petroleum Machinery Mfg Co Ltd patent application for Pre-filling Double-layer Sand Prevention Slotted Screen Pipe. The invention was developed by Liu Chao and Liu Yanru. The patent application number is CN202610283764 20260310. The ..

Dongying Yulin Construction Co Ltd Seeks Patent for Cutting Device and Method for Municipal Pipeline Preparation

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Dongying Yulin Construction Co Ltd has sought patent for Cutting Device and Method for Municipal Pipeline Preparation. This invention was developed by Yu Tao, Ma Xueli, Zhang Xiyu, Xu Tengkang, Meng Qingdong and Zhang Qi. The patent application number is CN202610293109 20260311. The patent publication numbe..

Jiangxi Xintaiming Intelligent Tech Co Ltd Submits Patent Application for Auxiliary Positioning Equipment for Metal Round Pipe Cutting

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jiangxi Xintaiming Intelligent Tech Co Ltd has submitted a patent application for Auxiliary Positioning Equipment for Metal Round Pipe Cutting. Chen Jian, Huang Jinfeng, Yuan Lei and Yang Qinghua developed the invention. The patent application number is CN20251225474 20251230. The patent publication number ..

Zhejiang Juntian Filtration Tech Co Ltd Files Chinese Patent Application for Thick-wall Pipe Sawing Machine

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhejiang Juntian Filtration Tech Co Ltd has filed a patent application for Thick-wall Pipe Sawing Machine. This invention was developed by Sun Jun, Yang Yuli and He Yongan. The patent application number is CN202610166845 20260205. The patent publication number is CN121798048 (A). International Patent Classi..

State Intellectual Property Office of China Publishes Xi'an Thermal Power Research Institute Co Ltd Patent Application for Thermal Power Plant Pipeline Abnormal Vibration Diagnosis..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Xi'an Thermal Power Research Institute Co Ltd patent application for Thermal Power Plant Pipeline Abnormal Vibration Diagnosis Method Based on Voiceprint Recognition and Related Equipment. The invention was developed by Xian Jiarong, Li Ji, Yin Zun, Wan..

Harbin Institute Of Technology Seeks Patent for Movable Pipeline Assembly Adjustment Characteristic Demonstration Experiment Device

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Harbin Institute Of Technology has sought patent for Movable Pipeline Assembly Adjustment Characteristic Demonstration Experiment Device. This invention was developed by Cao Huizhe, Dong Jiankai, Jiang Ye and Wang Changhai. The patent application number is CN20251235928 20251231. The patent publication numb..

U.S. Patent and Trademark Office Awards Patent for Electronic Device Supporting Pipeline Network Condition Diagnosis and Fault Prediction and Operating Method Thereof

Pipe

| Wed 08 Jul 2026

Alexandria, July 8 -- U.S. Patent and Trademark Office has awarded a patent to Korea Electronics Technology Institute for Electronic Device Supporting Pipeline Network Condition Diagnosis and Fault Prediction and Operating Method Thereof. Lee Kwang Ho and Jung Yong Chul developed the invention. The patent application number i..

SCREEN Holdings Granted Patent for Circulation Apparatus and Method of Controlling Circulation Apparatus

Pipe

| Wed 08 Jul 2026

Alexandria, July 8 -- SCREEN Holdings has been granted a patent for Circulation Apparatus and Method of Controlling Circulation Apparatus. Kawaguchi Tatsuhiko developed the invention. The patent application number is US202318843900 20230313. The patent publication number is US20260190896 (A1). International Patent Classificat..

Changzhou Jintan Hongtu Rubber Plastic Product Submits Patent Application for Rubber Corrugated Pipe with Limiting Protection Structure

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Changzhou Jintan Hongtu Rubber Plastic Product has submitted a patent application for Rubber Corrugated Pipe with Limiting Protection Structure. Jiang Feng developed the invention. The patent application number is CN202511846314 20251209. The patent publication number is CN121791027 (A). International Patent ..

Chongqing University Applies for Patent on Method and Device for Multiplexing and Demultiplexing Long-distance Vortex Acoustic Beam in Pipeline

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Chongqing University has applied Chinese patent for Method and Device for Multiplexing and Demultiplexing Long-distance Vortex Acoustic Beam in Pipeline. Liu Binghe, Ren Zongshuai, Liu Lianyun and Li Dongjiang developed it. The patent application number is CN202511953454 20251223. The patent publication numbe..

Changjiang Institute Of Survey Planning Design And Research Co Ltd and Yichang Sanxia Erqi Water Environment Comprehensive Man Co Ltd Submit Chinese Patent Application for Rain and..

Pipe

| Mon 06 Jul 2026

Beijing, July 7 -- Changjiang Institute Of Survey Planning Design And Research Co Ltd and Yichang Sanxia Erqi Water Environment Comprehensive Man Co Ltd have submitted a patent application for Rain and Sewage Mixed Receiving Traceability Analysis Method Based on Municipal Pipe Network Bim Model. This invention was developed by Y..

Huaneng Zhejiang Energy Development, Changxing Branch and Xi'an Thermal Power Research Institute Co Ltd Seek Patent for Active Control Method and Device for Vibration Suppression o..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Huaneng Zhejiang Energy Development, Changxing Branch and Xi'an Thermal Power Research Institute Co Ltd have sought patent for Active Control Method and Device for Vibration Suppression of High-temperature and High-pressure Pipeline of Thermal Power Plant. This invention was developed by You Xiwen, Wang Bining..

Northwestern Polytechnical University and Shaanxi Weisheng Intelligent Tech Co Ltd Apply for Patent on High-temperature Bending Fatigue Test Device and Method for Beam Type Sealing..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Northwestern Polytechnical University and Shaanxi Weisheng Intelligent Tech Co Ltd have applied Chinese patent for High-temperature Bending Fatigue Test Device and Method for Beam Type Sealing Pipeline Connecting Assembly. Wang Shoucai, Li Heng and Cai Zongyuan developed it. The patent application number is..

Gansu Huating Coal And Electricity Co Ltd Chenjiagou Coal Mine and Xi'an University of Science and Technology File Chinese Patent Application for Device and Method for Promoting Ga..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Gansu Huating Coal And Electricity Co Ltd Chenjiagou Coal Mine and Xi'an University of Science and Technology have filed a patent application for Device and Method for Promoting Gas Collection and Concentration Test in Gas Drainage Pipeline. This invention was developed by Chen Changming, Li Dailin, Jin Yongfe..

Jiangsu Zhongtian Technology and Zhongtian Technology Marine Systems Submit Chinese Patent Application for Pipe Clamp Test Tool

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Jiangsu Zhongtian Technology and Zhongtian Technology Marine Systems have submitted a patent application for Pipe Clamp Test Tool. This invention was developed by Liu Hongguang, Gu Hao, Zhang Zhifeng, Sha Haoran, Dong Wulei, Sang Linyu, Guo Chaoyang, Xie Shuhong and Feng Yawen. The patent application number..

Qingdao Geological Engineering Investigation Institute Qingdao Geological Exploration Development Bureau and China University of Mining File Chinese Patent Application for Coaxial ..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Qingdao Geological Engineering Investigation Institute Qingdao Geological Exploration Development Bureau and China University of Mining have filed a patent application for Coaxial Casing Pipe Type Water Body Heat Storage System and Method Based on Vertical Shaft of Shut-off and Retreat Mine. This invention was..

Hubei Hanjiang Construction Co Ltd and Xiangyang Road & Bridge Construction Group Seek Patent for Bending Anti-leakage Detection Device for Metal Corrugated Pipe for Prestressed Co..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Hubei Hanjiang Construction Co Ltd and Xiangyang Road & Bridge Construction Group have sought patent for Bending Anti-leakage Detection Device for Metal Corrugated Pipe for Prestressed Concrete. This invention was developed by Wu Mingliang, Li Binghan, Li Xiu, Hu Chenyang, Geng Jian, Cheng Jian, Xiong Fan, Liu..

Shaanxi Provincial Natural Gas, Chongqing Kechuang Center Of Northwestern Polytechnical University and Chongqing Sanhang New Material Technology Research Institute Co Ltd File Chin..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Shaanxi Provincial Natural Gas, Chongqing Kechuang Center Of Northwestern Polytechnical University and Chongqing Sanhang New Material Technology Research Institute Co Ltd have filed a patent application for Dynamic Vibration Absorber for Small-diameter Natural Gas Pipeline. This invention was developed by Huan..

Shanghai Branch China Oilfield Services, Jieyang Hengtong Marine Tech Co Ltd and Jiangsu Hengtong HV Power Cable System Submit Patent Application for Framework Structure, Flexible ..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Shanghai Branch China Oilfield Services, Jieyang Hengtong Marine Tech Co Ltd and Jiangsu Hengtong HV Power Cable System have submitted a patent application for Framework Structure, Flexible Pipeline and Machining Method of Flexible Pipeline. Lang Yiming, Pei Zhengshe, Wang Haoming, Liu Jian, Yang Han and Chen ..

Hefei General Machinery Research Institute Co Ltd, Hefei General Machinery Research Institute Special Equipment Inspection Station Co Ltd, General Machinery Key Core Found Innovati..

Pipe

| Mon 06 Jul 2026

Beijing, July 7 -- Hefei General Machinery Research Institute Co Ltd, Hefei General Machinery Research Institute Special Equipment Inspection Station Co Ltd, General Machinery Key Core Found Innovation Center Anhui Co Ltd and Sinomach Special Equipment Inspection Co Ltd have submitted a patent application for Method and Equipmen..

State Grid Shanghai Municipal Electrical Power and Shanghai Kaichen Electric Power Tech Co Ltd Submit Chinese Patent Application for Leakage Monitoring System for Oil-filled Cable ..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- State Grid Shanghai Municipal Electrical Power and Shanghai Kaichen Electric Power Tech Co Ltd have submitted a patent application for Leakage Monitoring System for Oil-filled Cable Pipeline. This invention was developed by Xu Yimin, Ji Chao, Cai Chunyu, Yu Ziting, Yang Yongcheng, Wang Shuoyu, Yang Fan, Jiang ..

Zhejiang 20MCC Construction Co Ltd and China MCC20 Group Corporation Submit Patent Application for Construction Method of Downward Hanging Type Large-diameter Pipeline Hanger

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Zhejiang 20MCC Construction Co Ltd and China MCC20 Group Corporation have submitted a patent application for Construction Method of Downward Hanging Type Large-diameter Pipeline Hanger. Wang Hongju, Wu Xinkun, Zhao Jinbiao and Zhang Weiguang developed the invention. The patent application number is CN202512..

China Huaye Group and North China Metallurgical Constr Eng Constr Co Ltd File Chinese Patent Application for Fixing Device for Building Site Wall Water Pipe Laying and Water Pipe L..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- China Huaye Group and North China Metallurgical Constr Eng Constr Co Ltd have filed a patent application for Fixing Device for Building Site Wall Water Pipe Laying and Water Pipe Laying Method. This invention was developed by Liu Jijun, Li Jing, Wang Zhaosheng, Zhou Hongbiao and Chen Zhenlong. The patent ap..

Hebei University of Technology and Tianjin Special Equipment Inspection Institute Tianjin Special Equipment Accident Emergency Investigation Seek Patent for Small-diameter Pipe Wel..

Pipe

| Mon 06 Jul 2026

Beijing, July 7 -- Hebei University of Technology and Tianjin Special Equipment Inspection Institute Tianjin Special Equipment Accident Emergency Investigation have sought patent for Small-diameter Pipe Welding Defect Detection Method Based on Space Guide Feature Selection. This invention was developed by Duan Shengwang, Jiang B..

Dongbei Electromechanical Jiangsu Co Ltd, Wuhu Abaur Mech & Electrical Co Ltd and Huangshi Dongbei Compressor Submit Chinese Patent Application for Novel Piston Type Refrigeration ..

Pipe

| Tue 07 Jul 2026

Beijing, July 7 -- Dongbei Electromechanical Jiangsu Co Ltd, Wuhu Abaur Mech & Electrical Co Ltd and Huangshi Dongbei Compressor have submitted a patent application for Novel Piston Type Refrigeration Compressor of Double-cylinder Sliding Pipe Mechanism. This invention was developed by Hong Ping, Chen Yu, Ye Faguang, Yang Baicha..

Hefei University of Technology Applies for Patent on Thermochromic Coating Material for Positioning Short-circuit Fault of GIL (gas Insulated Line) Pipe Gallery and Preparation Met..

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Hefei University of Technology has applied Chinese patent for Thermochromic Coating Material for Positioning Short-circuit Fault of GIL (gas Insulated Line) Pipe Gallery and Preparation Method of Thermochromic Coating Material. Lin Yucheng, Jiang Haozhe, Zhao Yushun, Li Bingchen and Wang Zhenyu developed it. ..

Jiangsu Pengling Rubber Tube Submits Patent Application for High-strength Anti-aging Rubber Water Return Hose and Preparation Method Thereof

Pipe

| Tue 07 Jul 2026

Beijing, July 8 -- Jiangsu Pengling Rubber Tube has submitted a patent application for High-strength Anti-aging Rubber Water Return Hose and Preparation Method Thereof. Hao Xinqiang, Zhu Lin and Xue Junfang developed the invention. The patent application number is CN20261077806 20260121. The patent publication number is CN12180..

State Intellectual Property Office of China Releases Chongqing Meijia Fire Fighting Technology Patent Application for Fire Hose Cleaning Device with Detection Function

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Chongqing Meijia Fire Fighting Technology patent application for Fire Hose Cleaning Device with Detection Function. This invention was developed by Jiang Gaosheng, Wang Yong and Yu Maowen. The patent application number is CN202610177134 20260206. The pa..

Lvliang Jianlong Industrial Submits Patent Application for X80 Pipeline Steel and Rolling Method Thereof

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Lvliang Jianlong Industrial has submitted a patent application for X80 Pipeline Steel and Rolling Method Thereof. Zhu Kai, Zhang Xiangyu, Li Bingyue, Liu Tong and Duan Hui developed the invention. The patent application number is CN20251227750 20251230. The patent publication number is CN121802305 (A). Intern..

Zhongqing Construction Applies for Patent on Bridge Pier Stud Spiral Inner Rib Steel Pipe Reinforcing Structure and Construction Method

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhongqing Construction has applied Chinese patent for Bridge Pier Stud Spiral Inner Rib Steel Pipe Reinforcing Structure and Construction Method. Tang Dawei, Liu Hantao, Jia Liangliang, Yang Song, Li Cheng, Guo Yuanming and Liu Shiyu developed it. The patent application number is CN202610218825 20260224. The ..

State Intellectual Property Office of China Publishes Western BaoDe Technologies Patent Application for Pipe Outer Film Spraying Device and Method

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Western BaoDe Technologies patent application for Pipe Outer Film Spraying Device and Method. The invention was developed by Gong Changdan, Wang Miao, Gao Chong, Wang Jianqiao, Wang Yu and Tian Keke. The patent application number is CN20251226374 20251..

Bingshan Songyang Compressor (Dalian) Submits Chinese Patent Application for Structure for Improving Stress of Exhaust Pipe and Upper Cover of Partitioned High-pressure Cavity

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Bingshan Songyang Compressor (Dalian) has submitted a patent application for Structure for Improving Stress of Exhaust Pipe and Upper Cover of Partitioned High-pressure Cavity. This invention was developed by Zhang Tieliang, Sun Ao, Lu Hongyan, Zheng Zhixiang and Yang Yuebing. The patent application number is..

Chengde Petroleum College Submits Patent Application for Air Conditioner Pipe Joint Welding Tool

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Chengde Petroleum College has submitted a patent application for Air Conditioner Pipe Joint Welding Tool. Hu Kai developed the invention. The patent application number is CN202410103490 20240125. The patent publication number is CN121798288 (A). International Patent Classification codes are B23K37/047 and B23..

State Intellectual Property Office of China Publishes Shandong Shengfa New Material Technology Patent Application for Stainless Steel Pipe Welder Capable of Preventing Welding Seam..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Shandong Shengfa New Material Technology patent application for Stainless Steel Pipe Welder Capable of Preventing Welding Seam Oxidation. The invention was developed by Zhang Yong and Zhang Zhi. The patent application number is CN202610276231 20260309...

Shanghai Yunyi Auto Technology Submits Chinese Patent Application for Welding Device for Pipeline

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Shanghai Yunyi Auto Technology has submitted a patent application for Welding Device for Pipeline. This invention was developed by Gong Bolei, Chen Jiangyun and Liu Yunpeng. The patent application number is CN202610288865 20260311. The patent publication number is CN121798204 (A). International Patent Classif..

State Intellectual Property Office of China Publishes Hubei Polytechnic University Patent Application for Rolling Wheel Type Pipe Cutting Device with Profiling Trajectory Tracking ..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has published Hubei Polytechnic University patent application for Rolling Wheel Type Pipe Cutting Device with Profiling Trajectory Tracking Function. The invention was developed by Yuan Huan and Zhu Lihu. The patent application number is CN202610163863 20260205. The..

State Intellectual Property Office of China Releases Wuhan Wuchang Municipal Construction Group Patent Application for River-oriented Water-rich Stratum Concrete Pipe Slurry Balanc..

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has released Wuhan Wuchang Municipal Construction Group patent application for River-oriented Water-rich Stratum Concrete Pipe Slurry Balance Jacking Pipe and Construction Method Thereof. This invention was developed by Quan Xiaoqin, Zhang Sheng, Li Dong, Huang Kai, ..

State Intellectual Property Office of China Receives Sinohydro Bureau 11 Patent Application for Retrusive Segmented Sleeve Valve Pipe Grouting Process for Karst Treatment

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- State Intellectual Property Office of China has received Sinohydro Bureau 11 patent application for Retrusive Segmented Sleeve Valve Pipe Grouting Process for Karst Treatment. Han Sijia, Zhao Haoxiang, He Peiji, Si Jiaxuan and Pan Tianjia developed the invention. The patent application number is CN20261018101..

Jinan Xintian Technology Submits Chinese Patent Application for Chuck Direct Mounting Rack for Side Hanging Type Pipe Cutting Machine, Pipe Cutting Machine and Method

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Jinan Xintian Technology has submitted a patent application for Chuck Direct Mounting Rack for Side Hanging Type Pipe Cutting Machine, Pipe Cutting Machine and Method. This invention was developed by Meng Lingyun and Yang Shulin. The patent application number is CN20261021765 20260108. The patent publication ..

Zhengjisuo Zhengzhou Transportation Technology Submits Patent Application for Flanging and Sealing Process for Metal Corrugated Pipe of Gear Coupling

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhengjisuo Zhengzhou Transportation Technology has submitted a patent application for Flanging and Sealing Process for Metal Corrugated Pipe of Gear Coupling. Li Yizhe, Liu Zhongling, Huang Shuaizong, Fan Zhenyue, Wang Wanli, Shi Lubing, Chen Huixiao, Yan Shidang, Jiang Hexin and Zhang Xiangru developed the in..

Zhengjiang Changxing Heliang Intelligent Equipment Files Chinese Patent Application for Three-dimensional Numerical Control Pipe Bending Machine with Mold Library

Pipe

| Wed 08 Jul 2026

Beijing, July 8 -- Zhengjiang Changxing Heliang Intelligent Equipment has filed a patent application for Three-dimensional Numerical Control Pipe Bending Machine with Mold Library. This invention was developed by Wang Yuanbin, Zhu Hongbiao, Li Liangyou, Yin Chaojie and Yang Zhengfa. The patent application number is CN2025123502..

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