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Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has published Wuhan Kingbull Economic Development patent application for Flame-retardant Reinforced PPR Pipe and Preparation Method Thereof. The invention was developed by Chen Houzhong.
The patent application number is CN202511398837 20250928. The patent publicat..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has published Shanxi Gangke Carbon Material patent application for Layering Structure of Variable-diameter Fiber Pipe. The invention was developed by Cui Yuhong, Ren Yipeng, Nie Jianfu, Shi Wenlong, Bi Jiaqi and Yan Hua.
The patent application number is CN20251110..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has published Shandong Ranyin Electrical patent application for Single-screw Extruder for Cable Protection Pipe and Use Method of Single-screw Extruder. The invention was developed by Sun Ziran, Sun Nianshuai, Zhuo Zichu, Zhang Hua and Sun Hongbing.
The patent app..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Anhui Kangqiao Environmental Protection Technology patent application for Extruder for Water Pipe Processing. This invention was developed by Wang Guotao and Hu Bingqi.
The patent application number is CN202511565004 20251030. The patent publication n..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Hebei Qianming Plastic Products patent application for Production Process of Inner Rib Reinforced Two-component Spiral Corrugated Pipe. This invention was developed by Gao Liting, Yang Haitong and Liu Shaopeng.
The patent application number is CN20251..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Jinan Bodor Laser has submitted a patent application for Pipe Cutting Equipment. Bi Zijian, Li Liang, Ji Yuwei, Yao Jilu, Guo Fangjia and Lu Shiqiang developed the invention.
The patent application number is CN202511306543 20250912. The patent publication number is CN121157142 (A). International Patent Clas..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Jinan Bodor Laser has submitted a patent application for Chuck Module Applied to Pipe Cutting Equipment and Pipe Cutting Equipment. This invention was developed by Bi Zijian, Li Liang, Ji Yuwei, Yao Jilu, Guo Fangjia and Lu Shiqiang.
The patent application number is CN202511306542 20250912. The patent publi..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Zhangjiagang Huacheng Locomotive Fine Tubing has submitted a patent application for Polishing Equipment for Improving Port Quality of Welded Pipe. This invention was developed by Zhou Jinmiao, Han Fengxian and Chen Mingfeng.
The patent application number is CN202511354993 20250922. The patent publication nu..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Jiangsu Yawei Machine Tool patent application for Automatic Feeding Device and Feeding Method for Pipe Cutting Machine. This invention was developed by Sun Xiang, Zhao Yang, Lei Wanshen, Zhang Liyang, Cao Junyang, Gao Lei, Liu Wentao and Xu Nianfei.
T..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Sumaite Intelligent Technology (Jiangsu) patent application for Automatic Feeding High-speed Pipe Cutting Machine. This invention was developed by Shen Peng, Tan Guofu, Wang Zhaohui, Jiang Yonghao, Hua Bingshui, Zheng Caijun and Liu Zhe.
The patent ap..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has received Anhui Xinfu New Energy Technology patent application for Novel Collecting Pipe Automatic Assembling Machine. Cheng Chuanfeng, Lu Min, Li Xingyu, Liu Qingyun and Jin Yinghui developed the invention.
The patent application number is CN202511568795 20251..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Chengdu University of Technology has applied Chinese patent for Construction Pipeline Welding Device. Zhang Wenjie developed it.
The patent application number is CN202511501900 20251021. The patent publication number is CN121156657 (A). International Patent Classification codes are B23K31/02, B23K37/0538 an..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Harbin Boiler has applied Chinese patent for Novel Universal Hanging Pipe Assembling and Welding Device and Using Method. Li Xiaohong, Liu Jun, Li Qiushi, Kang Baolong, Cheng Liang, Qu Yuchan, Liu Jianwen, Yu Tao and Wang Qian developed it.
The patent application number is CN202511334472 20250918. The paten..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Beijing Fortune Precision Semiconductor has submitted a patent application for Bent Pipe Part Welding Device and Working Method Thereof. Wang Xin, Niu Yueqiang, Zhang Shuo and Han Liying developed the invention.
The patent application number is CN202511167604 20250820. The patent publication number is CN121..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Nantong Shenglide Metal Material Technology has submitted a patent application for High-precision Cutting Equipment for Stainless Steel Seamless Steel Pipe. Hang Yonggui and Hang Wei developed the invention.
The patent application number is CN202511461726 20251014. The patent publication number is CN1211563..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Chongqing Jiufang Aluminum Alloy Processing has sought patent for Grooving Equipment for Aluminum Alloy Pipe Fitting Machining. This invention was developed by Wang Shuming.
The patent application number is CN202511438449 20251010. The patent publication number is CN121156350 (A). International Patent Class..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Xinyu Iron & Steel has submitted a patent application for Flue Gas Pipeline Spark Trapping Device. Zhang Siping, Zhou Pengfei, Yao Qun, Li Haoming, Nie Shaochang, Yu Shan, Chen Qiang, Zhang Jian, Wang Weizhang, Zhao Xia, Lu Yan, Xu Jianye and Ding Zhenhuang developed the invention.
The patent application ..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Shaanxi Coal Mining Hancheng Mining has submitted a patent application for Device Arranged in Roadway and Used for Winding and Storing High-pressure Rubber Hose and Facilitating Taking of High-pressure Rubber Hose. This invention was developed by Feng Fei and Duan Duan.
The patent application number is CN20..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has released Wuhan Kingbull Economic Development patent application for Composite Antibacterial Pipe with Excellent Mechanical Property and Preparation Method Thereof. This invention was developed by Chen Houzhong.
The patent application number is CN202511446110 2..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Jiangsu Jinsheng Locomotive Parts has submitted a patent application for Motorcycle Exhaust Hush Pipe Punching Device. This invention was developed by Jiang Xiabing.
The patent application number is CN202511695085 20251119. The patent publication number is CN121156116 (A). International Patent Classificatio..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Hunan Zhongan Zhike Technology Group has submitted a patent application for L-shaped Angle Steel Machining and Forming Equipment Based on Fireproof Air Pipe Production. This invention was developed by Li Xikun, Wang Guoxiong and Huang Quan.
The patent application number is CN202511698644 20251119. The paten..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Guangdong Zhongnan Iron and Steel has filed a patent application for Online Cleaning Device and Method for Vacuum Pump Liquid Level Meter Guide Pipe. This invention was developed by Jiang Yaohuang, Xie Zifeng, Sun Shouduo, Xu Huan, Liao Wenfeng, Yu Yonghui, Liang Yongxiong, Liao Zhijun, Wu Guanxiong, Cao Jia..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- The 13th Construction of China National Chemical Engineering has submitted a patent application for Drying Equipment and Drying Process for Pipeline Anti-corrosion Paint. This invention was developed by Li Qiang, Han Liang, Chen Geng, Feng Guochen, Cai Qianling, Feng Chunxiang, Du Jie and Du Haiyang.
The pa..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Hubei Xingxin Technology has sought patent for Steel Wire Pretreatment System of Steel Wire Mesh Reinforced Polyethylene Composite Pipe Production Line. This invention was developed by Xiong Xuezhi, Yuan Bei, Liu Wenjun and Dan Meiyu.
The patent application number is CN202511232632 20250901. The patent publ..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Shaanxi Coal Mining Hancheng Mining has submitted a patent application for Device for Performing Multi-stage Filtration on Impurities in Roadway Pressure Ventilation Pipeline. This invention was developed by Ning Yilin, Xue Chaoqiang and Zhao Xuan.
The patent application number is CN202511590430 20251103. T..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- Guiyang Aluminium Magnesium Design & Research Institute has sought patent for Ring Pipe Spraying Device for Desulfurizing Tower. This invention was developed by Yan Feiya, Deng Xiang, Zhang Jing, Yang Jing, Zhang Jia, Yang Yunchuan and Yan Chaoning.
The patent application number is CN202511571169 20251030. ..
Pipe
| Wed 29 Apr 2026
Beijing, April 29 -- State Intellectual Property Office of China has published Zhejiang Zhengkang Industrial patent application for Multi-station Pipe Fitting Forming Machine. The invention was developed by Zhou Chao, Yu Tengzhong, Wang Weikai, Wang Shushi, Feng Xianbang, Zhang Zhengshui and Wang Lin.
The patent application num..
Pipe
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has published Roxtec patent application for a Transit Device and System for Leading Cables or Pipes Through a Partition and Use Thereof. The invention was developed by Törnström Tony and Hammarström Pär.
The patent application number is EP20240733777 20240603. The patent publicatio..
Pipe
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has published Epiroc Rock Drills patent application for Cable and Hose Detection System. The invention was developed by Dahl Robert, Malm Patrik and Eriksson Lars M.
The patent application number is EP20230734771 20230615. The patent publication number is EP4728146 (A1). International ..
Pipe
| Wed 29 Apr 2026
Munich, April 29 -- European Patent Office has received Epiroc Rock Drills patent application for System, Machine, Control Unit and Method Therein for Handling a Cable And/or Hose. Dahl Robert and Holmström Peter developed the invention.
The patent application number is EP20230734769 20230613. The patent publication number is ..
Pipe
| Wed 29 Apr 2026
Geneva, April 29 -- World Intellectual Property Organization has released University of Miami patent application for Systems and Methods for Developing Sizing of a Pipe Network. This invention was developed by Andiroglu Esber and Rich Drew.
The patent application number is WO2025US51534 20251017. The patent publication number i..
Pipe
| Wed 29 Apr 2026
Geneva, April 29 -- Foursquare Labs has submitted a patent application for Data Attribution Pipeline. This invention was developed by Gundeti Vikram K, Somnath Kumar and Sviyazov Alexey.
The patent application number is WO2025US50935 20251014. The patent publication number is WO2026085138 (A1). International Patent Classificati..
Pipe
| Tue 28 Apr 2026
Beijing, April 29 -- Korea Gas has filed a patent application for Pipeline Moving Device and Operation Method Thereof. This invention was developed by Kim Jae Jun, Kim Dae-kwang, Yoo Kwang-hyun, Kim Dong-gyu, Yang Seung Woong, Yoo Hui-ryong and Song Hong-seok.
The patent application number is CN20248003050 20240409. The paten..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute have sought patent for CO2 Pipeline Transportation Risk Early Warning Method and Device. This invention was developed by Wang Dalong, Zhang Jian, Gao Wen, Liu Lianbo, Liu Zhiwen, Jing Tieya, Xia Yuxiao and Hu Yuanwu.
The patent a..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Jinchuan Group and Jinchuan Group Chemical Co Ltd have applied Chinese patent for Intelligent Anti-corrosion Monitoring and Early Warning System for Chlorine Conveying Pipeline in Chlor-alkali Chemical Industry. Li Yawen, Zhang Hongchang, Zhu Ruijie, Zhou Jianhua, Liu Ying and Jing Yuntian developed it.
T..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute have applied Chinese patent for Method and Device for Determining Position of CO2 Pipeline Transportation Leakage Point, Storage Medium and Electronic Equipment. Wang Dalong, Zhang Jian, Gao Wen, Liu Lianbo, Liu Zhiwen, Jing Tieya, ..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Beifang Weijiamao Coal Power and Xi'an Thermal Power Research Institute have applied Chinese patent for Fused Salt Corrosion Detection Device for Pressure Pipeline. Qi Jianping, Wu Zhiqiang, Liu Tiemiao, Li Baolong, Yao Jinyuan, Li Zhihong, Jiang Wei, Chen Kangle, He Bin, Yin Zun, Wang Peng, Wang Junmin, Zha..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Zhejiang Academy of Special Equipment Science and Juhua Group Corp have applied Chinese patent for Hazardous Chemical Substance Pipeline Detection and Early Warning System. Tang Ping, Rai Shun, Kong Shuai, Fang Yanran, Yan Sunting, Guan Chenfeng, Ye Yufeng, Yao Zhigang and Du Xingji developed it.
The pate..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- National Petroleum Pipeline Network Group and State Pipe Group West Pipeline Co Ltd have filed a patent application for Method for Excavating and Positioning Detection Reference Circumferential Weld in Buried Pipeline. This invention was developed by Tian Ye, Zhang Jie, Li Kun, Ma Hui, Li Hongxia and Lyu Hon..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- China Nat Offshore Oil Corp and Beijing Res Center CNOOC China Co Ltd have submitted a patent application for Offshore Area Pipe Network Shutdown Replacement Analysis Method and System, Processing Equipment and Storage Medium. Chen Jinghua, Zhang Ming, Xiang Qi, Li Meng, Li Pengcheng, Wang Jun, Zhou Liangshe..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute have submitted a patent application for Cooperative Control Method and Device for Carbon Dioxide Pipeline Transportation-pressurization Integrated Injection. Wu Yongping, Zhao Wentao, Zhou Rongjiang, Zhang Jian, Zou Qinghai, Zhao Ji..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Inner Mongolia University of Science and Technology and Beijing Urban Construction Design & Development Group have submitted a patent application for Pipe Jacking Machine Starting Base for Limiting and Leveling in Narrow Space and Method. Zhang Xu, Xu Tao, Li Minghao and Xu Youjun developed the invention.
..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- No. 5 Eng Jiangsu Co Ltd Of CCCC Third Harbor Eng Co Ltd and Nanjing University of Science & Technology have submitted a patent application for Dirt Detection and Treatment System for Sea Drainage Pipeline. This invention was developed by Pei Yangeng, Guo Zhipeng, Liu Peng, Shen Dong, Tian Zhizhong, Qiao Pen..
Pipe
| Mon 27 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has received Chen Jiazhi patent application for Ceramic Deflocculant Batching Device.
The patent application number is WO2024CN125636 20241018. The patent publication number is WO2026081171 (A1). International Patent Classification codes are B01F27/90, B01F35/21 a..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Kende Environment Tech Engineering Shanghai Co Ltd patent application for Cold Storage Cloth Bag Air Pipe Energy-saving Air Supply System Based on Airflow Uniformity Driving. The invention was developed by Li Xiuming.
The patent application number ..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published No. 719 Res Institute China State Shipbuilding Co Ltd patent application for Vibration Reduction Method for Cooling Pipeline of Electrical Equipment. The invention was developed by Wu Fang, Ni Kang, Cai Jiuqing, Li Rui, Cai Kai, Li Peng, Ji Pengkun, C..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Hebei Hanfeng Power Generation Co Ltd patent application for Boiler Pipeline Monitoring System. The invention was developed by Wang Zhongying, Wang Longjie, Gao Zhuang, Lu Yinghai, Wang Ruxin, Wang Xindong, Li Yangyang, Lian Tao, Huo Bochen, Duan Ruij..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Guangdong Wangong Ind Co Ltd patent application for Pipe Laser Cutting Dynamic Clamping Force Control System. The invention was developed by Chen Teng, Li Jianming and Wang Guifeng.
The patent application number is CN202511338524 20250918. The pate..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Zhejiang University and Zhejiang Res Institute Univ Taizhou patent application for Panoramic Three-dimensional Scanning Device and Measuring Method for Inner Wall of Pipeline. The invention was developed by Lin Bin and Yan Han.
The patent applicati..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Luohe Chengtou Construction Eng Co Ltd patent application for Underground Heat Distribution Pipeline Leakage Detection System and Use Method Thereof. The invention was developed by Wang Hongkui, Gao Huimin, Zhu Baofeng, Xie Leijie, Zhang Rui, Guo Zhao..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Nangtong Haodi Anticorrosion Equipment Co Ltd patent application for Local Repairing Device for Anti-corrosion Pipeline. The invention was developed by Cheng Yonghong, Wu Tengfei and Qu Chao.
The patent application number is CN202511582734 20251031..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Southeast Pipe & Valve Co Ltd patent application for Movable Pipeline Connector. The invention was developed by Lu Mingwei, Lu Mingxin, Lu Zhichun and Lu Mingfa.
The patent application number is CN202511586369 20251101. The patent publication numbe..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Nodal Australia Pty Ltd patent application for Integrated Platform for Manufacturing Spiral Expansion Pipe and Operation Method of Integrated Platform. The invention was developed by Schaeuwen, Edmund, Sha Yuehua, Qin Qingwu and Gu Chundong.
The pa..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Jiangsu Taiyuan Equipment Tech Co Ltd patent application for Multi-point Anti-seismic Pipeline Support Structure. The invention was developed by Pan Guanghong.
The patent application number is CN202511478987 20251016. The patent publication number ..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Dongying Xinruifeng Petroleum Equipment Co Ltd and Funing Petroleum Mechanical patent application for Quick Connector for Oil Pipe Connection. The invention was developed by Zhou Zhengjun and Xu Haifeng.
The patent application number is CN202511700..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Guangdong Xiansu Tech Group Co Ltd patent application for Drain Pipe. The invention was developed by Yang Yuliang and Yang Kaihao.
The patent application number is CN202511497723 20251020. The patent publication number is CN121139766 (A). Internati..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Shanghai Oulan Pipe Industry Tech Co Ltd patent application for Plastic-coated Steel Pipe and Plastic Coating Process Thereof. The invention was developed by Deng Yufeng and Luo Zheng.
The patent application number is CN202511330672 20250917. The p..
Pipe
| Tue 28 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has published Natran patent application for Positioning Device for a Fluid Pipe and Device for Stopping the Flow of a Leak Comprising Same. The invention was developed by Acker Benoit, Hardy Michel, Sesmat Alban, Aussant Pascal and Valdivia Jérôme.
The patent appl..
Pipe
| Tue 28 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has published Natran patent application for Positioning Device for a Fluid Pipe and Device for Stopping the Flow of a Leak Comprising Same. The invention was developed by Acker Benoit, Hardy Michel and Sesmat Alban.
The patent application number is WO2025EP80013 202..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published National Petroleum Pipeline Network Group and State Petroleum Pipeline Network Group of Science and Technology Research Institute Branch patent application for Carbon Dioxide Conveying Pipeline Evaluation Method and Device, Medium and Product. The inv..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has published Zhuhai Electric Power Design Institute Co Ltd patent application for Thermal Evaluation Method and Device for Pulling and Jacking Pipe Laying Double-spliced Cable Line. The invention was developed by Cui Yuyong, Hu Zhenxing, Lyu Guiqiang, Huang Zhiwen..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Shanghai Dingsheng Electronic Tech Co Ltd has submitted a patent application for Ultrasonic Nondestructive Testing Device for Inner Wall of Pipeline. This invention was developed by Li Jian, Zhao Run and Zhang Qianwen.
The patent application number is CN202511704548 20251120. The patent publication number..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Zhou Bing has submitted a patent application for Nondestructive Monitoring Method, Device and Equipment for Corrosion of Metal Pipeline and Medium. Zhou Bing developed the invention.
The patent application number is CN202511604192 20251105. The patent publication number is CN121141805 (A). International P..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Dichuan Energy Man Beijing Group Co Ltd has sought patent for Non-contact Magnetic Flux Leakage Internal Detection System and Method for Pipeline. This invention was developed by Rong Hongqing.
The patent application number is CN202511502096 20251021. The patent publication number is CN121141800 (A). Inte..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Shandong Antai Chemical Pressure Vessel Inspection Center Co Ltd has applied Chinese patent for Radiographic Inspection Equipment for Welding Seam of Pressure Pipeline. Feng Xiaogang, Shen Dongkui, Wang Tianyao, Sun Zhenxi and Xu Min developed it.
The patent application number is CN202511680787 20251117. ..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Luoyang Ship Material Res Institute No. 725 Res Institute Of China State Shipbuilding Corporation Lim has submitted a patent application for Corrosive Agent for Displaying Annealing-state Grain Size of Large-variable-diameter Ta10 Pipe and Corrosion Method. Liu Yan, Zhang Lijuan, Pan Hengpei, Zhang Congyi, Z..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Aoku Hydropower Branch Huaneng Xinjiang Energy Dev Co Ltd has filed a patent application for Pressure Steel Pipe Branch Pipe Hydraulic Pressure Test Monitoring System and Method. This invention was developed by Hua Rongjun, Gao Lianjie, Yi Junlong, Wang Yonghong and Wu Chuanyu.
The patent application numb..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Hebei Jingbo Petroleum Machinery Co Ltd has filed a patent application for High-pressure Bursting Test Device for Hose. This invention was developed by Liu Xilei, Zhang Guixiang, Tang Na, Wang Shuyi, Duo Zhigang and Ren Kaili.
The patent application number is CN202511143490 20250815. The patent publicatio..
Pipe
| Mon 27 Apr 2026
Geneva, April 28 -- Chen Jiazhi has submitted a patent application for Quick-release Connection Fixture for Pipe Injection Molding Device.
The patent application number is WO2024CN125634 20241018. The patent publication number is WO2026081169 (A1). International Patent Classification code is B25B11/02.
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- Wuxi Yixing Electric Power Tech Co Ltd has sought patent for Underground Pipeline Intelligent Detection and Mapping Method Based on Image Recognition. This invention was developed by Bao Qiaojuan, Wang Wenjiang, Lu Jie, Guo Zhiwei, Liu Zhengdao and Zhou Yong.
The patent application number is CN20251128506..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- Inspur Software Co Ltd has filed a patent application for Intelligent Management System and Management Method for Urban Gas Pipe Network. This invention was developed by Hou Qingtao, Ji Lei, Wang Feifei, Zhang Lianchao and Han Liang.
The patent application number is CN202511278809 20250909. The patent pub..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- Suzhou Nuanwei Tech Co Ltd has submitted a patent application for Steam Pipe Network Heat Source Optimization Scheduling Method Taking Economical Efficiency as Target. This invention was developed by Luo Wei, Yang Guang and Li Shuoxun.
The patent application number is CN202511122999 20250812. The patent p..
Pipe
| Tue 28 Apr 2026
Geneva, April 28 -- World Intellectual Property Organization has received Riegos Agricolas Espanoles SA patent application for Pipe Coupling, Sealing Gasket for Said Coupling, and Installation Comprising Said Coupling. Tapias Icart Juan developed the invention.
The patent application number is WO2024ES70624 20241015. The pate..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Guangdong East Pipes Co Ltd patent application for Transverse Vibration Testing Machine for Full-self-anchoring Connector Steel Pipe. Lin Jinqiang developed the invention.
The patent application number is CN202511487489 20251017. The patent publicat..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Shenzhen Saisite Intelligent Equipment Co Ltd has sought patent for Mercury-free Wet Reed Pipe as Well as Production Process and Use Method Thereof. This invention was developed by Yang Mingtao and Yan Dimao.
The patent application number is CN202511605631 20251105. The patent publication number is CN1211..
Pipe
| Tue 28 Apr 2026
Geneva, April 28 -- Natran has applied WIPO patent for Positioning Device for a Fluid Pipe and Device for Stopping the Flow of a Leak Comprising Same. Acker Benoit, Hardy Michel, Sesmat Alban, Aussant Pascal and Valdivia Jérôme developed it.
The patent application number is WO2025EP80020 20251017. The patent publication num..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Guangzhou Yizai Intelligent Tech Co Ltd patent application for Detection Equipment for Detecting Pipeline. This invention was developed by Cheng Lianjie, Cheng Xiulian, Yang Yonghuan and Deng Minhua.
The patent application number is CN202511685303 2..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Jiangsu Aierte Instr Co Ltd has sought patent for Industrial Pipeline Pressure Monitoring Sensor. This invention was developed by Zhou Peng.
The patent application number is CN202511449897 20251011. The patent publication number is CN121141021 (A). International Patent Classification codes are G01L19/00 a..
Pipe
| Mon 27 Apr 2026
Beijing, April 28 -- Wenzhou Zhonglu Water Tech Co Ltd has sought patent for Drainage Pipe Network Non-excavation Short Pipe Replacement Construction Parameter Optimization Method and System. This invention was developed by Lu Rongyou, Yan Xiaoyu, Li Shijun and Zhu Tongquan.
The patent application number is CN202511667233 202..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Metinfo Beijing Co Ltd has filed a patent application for Intelligent Composite Pressure Guide Pipe. This invention was developed by He Huan, Wang Dilin, Wei Zhao and Chen Junli.
The patent application number is CN202511343070 20250919. The patent publication number is CN121140850 (A). International Paten..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Nanzhi Chongqing Energy Tech Co Ltd has applied Chinese patent for Multi-source Intelligent Monitoring Method and Intelligent Detection and Edge Analysis System for Buried Gas Transmission Pipeline. Huang Youwei developed it.
The patent application number is CN202511498012 20251020. The patent publication..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Tianjin Taida Binhai Cleaning Energy Group Co Ltd has filed a patent application for Safety Early Warning System and Method for Medium and Low Pressure Gas Pipe Network. This invention was developed by Li Meng, Wang Hua and He Di.
The patent application number is CN202511369491 20250924. The patent public..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Sichuan Jishi Tech Co Ltd has sought patent for Buried Gas Pipeline Leakage Monitoring and Alarming Device. This invention was developed by Luo Ying, Du Youru and Li Ruichuan.
The patent application number is CN202410766090 20240614. The patent publication number is CN121139876 (A). International Patent C..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute patent application for Flow Control Method and Device for Linkage of Supercritical Carbon Dioxide Pipeline and Storage Well. This invention was developed by Liu Zhiwen, Zhang ..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Shanghai Supezet Eng Tech Co Ltd has submitted a patent application for Natural Gas Hydrogen-doped Pipeline Conveying System. Kou Lianbang, Song Bangyong, Li Hui, Mo Rumeng and Wang Linlin developed the invention.
The patent application number is CN202511216438 20250828. The patent publication number is C..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Huaneng Qingyang Coal and Electricity and Huaneng Clean Energy Res Institute patent application for Carbon Dioxide Pipeline Production Process System. Gao Wen, Zhou Juan, Duo Lingjuan, Jing Tieya, Xia Yuxiao, Zhao Wentao, Jiao Jianjun, Zhao Jingchao an..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Fuguang Env Engineering Shanghai Co Ltd patent application for Endoscopic Detection Device Suitable for Detection in Narrow Pipeline. This invention was developed by Yang Jianjun and Zhou Chengzhong.
The patent application number is CN202511413261 2..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Ningbo Zhedi Municipal Construction Co Ltd has sought patent for Underground Water Conveying Pipeline Under-pressure Leaking Stoppage Emergency Repair Method. This invention was developed by Zhong Haigang, Yao Qiyu, Zhong Huan and Zhong Zhehao.
The patent application number is CN202511538242 20251027. The..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Fuguang Env Engineering Shanghai Co Ltd has submitted a patent application for Drainage Pipeline Repairing Structure and Method. Zhang Yichong and Feng Wenping developed the invention.
The patent application number is CN202511413270 20250929. The patent publication number is CN121139794 (A). International..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Hubei Zhongrui Environmental Tech Co Ltd has submitted a patent application for Modularized Plug-in Type Pipeline Silencing Device. Zhan Bo developed the invention.
The patent application number is CN202511580101 20251031. The patent publication number is CN121139789 (A). International Patent Classificati..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Ningbo Jiangfeng Hot Isostatic Pressing Tech Co Ltd and Konfoong Material International patent application for Gas Pipeline Throttling Method of Hot Isostatic Pressing System. This invention was developed by Yao Lijun, Yuan Dong, Cao Huanhuan, Zhou You..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Zhejiang Yongdexin Tech Co Ltd patent application for Double-sealing Self-locking Quick-inserting Gas Pipe Joint. Xin Ping, Peng Hanping and Pan Baoqing developed the invention.
The patent application number is CN202511437503 20251009. The patent pu..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has received Shanghai Vision Mech Joint Co Ltd patent application for Flat-end Pipe Joint. Lu Zhigang, Xu Xiaogang and Wu Jun developed the invention.
The patent application number is CN202511616727 20251106. The patent publication number is CN121139773 (A). Int..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Dalian Cosco Shipping Heavy Ind Co Ltd has applied Chinese patent for Flow Self-adjusting Rigid-flexible Combined Gasket Device for Gas Pipeline. Yu Caixia and Zhang Bo developed it.
The patent application number is CN202511174954 20250821. The patent publication number is CN121139772 (A). International P..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Dalian Cosco Shipping Heavy Ind Co Ltd has submitted a patent application for Flow Self-adjusting Deformation Gasket Device for Gas Pipeline. This invention was developed by Yu Caixia and Zhang Bo.
The patent application number is CN202511174952 20250821. The patent publication number is CN121139771 (A). ..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Dalian Cosco Shipping Heavy Ind Co Ltd has applied Chinese patent for Flow Self-adjusting Composite Liner Device for Gas Pipeline. Yu Caixia and Zhang Bo developed it.
The patent application number is CN202511174949 20250821. The patent publication number is CN121139770 (A). International Patent Classific..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Sihui Tianlong Fluoroplastic New Mat Co Ltd has submitted a patent application for Anti-static Teflon Hose with Flat Inside and Corrugated Outside. Qiu Zhijiang developed the invention.
The patent application number is CN202511411969 20250929. The patent publication number is CN121139769 (A). Internationa..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- China FAW Group has sought patent for Automobile Air Conditioner Drainage Pipe and Vehicle with Same. This invention was developed by Wang Jiaqi, Li Yue, Zhang Kaipeng, Cong Shuai and Ma Tian.
The patent application number is CN202511332387 20250917. The patent publication number is CN121139767 (A). Inter..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- Jiande Huafeng Environmental Protection Tech Co Ltd has applied Chinese patent for Antistatic Composite Pipe and Production Process. Wang Guohua, Li Qianen and Miao Wenlin developed it.
The patent application number is CN202511323277 20250916. The patent publication number is CN121139765 (A). Internationa..
Pipe
| Tue 28 Apr 2026
Beijing, April 28 -- State Intellectual Property Office of China has released Wincell Energy Saving Group Co Ltd patent application for Polymer Film-coated Rubber and Plastic Heat-preservation Air Pipe. This invention was developed by Qin Bojun, Liu Chen and Zeng Xiaoming.
The patent application number is CN202511685969 20251..
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