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Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has received Jinan Xintian Technology patent application for Pipe Cutting Inner Wall Slag Adhering Prevention Device and Laser Pipe Cutting Machine. Wei Qi, Chen Xinmin, Sun Changpeng and Yang Zhen developed the invention. The patent application number is CN202510..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has received Jinan Xintian Technology patent application for Follow-up Centering Device of Pipe Cutting Machine, Laser Pipe Cutting Machine and Working Method. Wei Qi, Yang Zhen and Sun Changpeng developed the invention. The patent application number is CN20251111..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has received Nantong Haocheng Steel Structure Eng Co Ltd patent application for Electric Arc Welding Device for Steel Structure Pipeline. Zhang Huizhong developed the invention. The patent application number is CN202511481567 20251016. The patent publication num..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- AECC Shenyang Liming Aero Engine has applied Chinese patent for Welding Process Method for Large-specification Thin-wall Aero-engine Flow Guide Pipe with Lugs. Song Guojing, Qiao Yong, Liu Ming, Wang Yan and Li Ming developed it. The patent application number is CN202511477784 20251016. The patent publicati..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has published Tangshan Zhengyuan Pipe Ind Co Ltd patent application for Steel Pipe Welding Device. The invention was developed by Huo Yulong, Song Dongda, Ji Bozhao and Sun Guoqiang. The patent application number is CN202511483604 20251017. The patent publicatio..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Nantong Chengju Sports Goods Co Ltd has filed a patent application for Pipe Machining Device for Sports Equipment Production. This invention was developed by Peng Yingchun. The patent application number is CN202511249813 20250903. The patent publication number is CN120940746 (A). International Patent Clas..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Xin Feng Ming Group Co Ltd, Tongxiang Zhongwei Chemical Fiber Co Ltd and Tongxiang Zhongyi Chemical Fiber Co Ltd have applied Chinese patent for Under-pressure On-line Spark-free Pipeline Cutting Device for Heat Conduction System. Li Xuechang, Ni Dongdong, Xu Xingguo, Si Chao, Shi Zhongqi, Gui Yunfei, Lin Zh..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- NST Microelectronics Tech Zhejiang Co Ltd has submitted a patent application for Automatic Girdling Processing Equipment for Semiconductor-grade Clean Pipeline Piece. This invention was developed by Lee Hae-jun, Li Zhe and Wang Xiaoqi. The patent application number is CN202511300806 20250912. The patent p..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Suzhou Zhongjie Auto Parts has applied Chinese patent for Milling Machine for Double-sided Machining of Pipeline Flange End Plate. Zhang Guoming, Wu Yongzhen, Zhao Junmin and Xie Bai developed it. The patent application number is CN202511136815 20250814. The patent publication number is CN120940708 (A). Int..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has released Zhangjiagang Xiafei Plastic patent application for Multi-station Nozzle Assembly Process Based on Liquid Spraying Pipe Automatic Position Complementing and Shape Correction. This invention was developed by Xu Yuenian. The patent application number is ..

Pipe

  |  Wed 25 Mar 2026

London, March 26 -- Subsea 7 Do Brasil Servicos Ltda has submitted a patent application for Design Tool for Pipeline Operational Procedures. This invention was developed by Mauricio Suarez De Oliveira, Vinicius Moreira De Castro, Erik Paim Reixeira, Alexandre De-souza Da Rocha Santos, Leonam Akira Ferreira Da Costa and Nicholas ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Jiangsu Hongyi Precision Industry has submitted a patent application for Preparation Method of Air Bag Restraint System Pipe and Air Bag Restraint System Pipe. This invention was developed by Qian Jinjing and Zhang Zhanqi. The patent application number is CN202511327378 20250917. The patent publication numb..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- South China Piping Ind Corporation Guangzhou has submitted a patent application for Large-pipe-diameter Pipeline Welding Device and Method with Automatic Welding Groove Forming Function. Li Zhuohang, Lin Zhuobin, Zhao Xun, Wang Xiaohua and Cai Yao developed the invention. The patent application number is ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Shanghai Qianshan Piping Technology has sought patent for Assembly Driving Machine Head with Pipe Fitting Center Adjusting Mechanism. This invention was developed by Qi Faming, Chen Kexiang, An Weiwei, Qi Ji and Yuan Yue. The patent application number is CN202511165004 20250819. The patent publication numbe..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Casic Harbin Fenghua Co Ltd has submitted a patent application for Device and Method for Welding Stainless Steel Pipe Joint of Staggered Joint Structure. This invention was developed by Li Zhenhao, Dai Zhanyang and Qiao Zupeng. The patent application number is CN202511434916 20251009. The patent publicati..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has published Hebei Longjin Pipeline Equipment Co Ltd patent application for Clamping and Pressing Pipe Fitting Welding Device and Welding Method. The invention was developed by Wang Yuepeng. The patent application number is CN202511477584 20251016. The patent p..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has published Yangzhou Guofeng Mech Engineering Co Ltd patent application for Intelligent Welding Device and Method Based on Grain Silo Ventilation Fumigation Decompression Pipe Processing. The invention was developed by Zhao Aiqing, Yang Kai, Zhang Xinxin, Ma Peij..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Suzhou Beilyute Intelligent Equipment Co Ltd has submitted a patent application for Laser Pipe Cutting Machine with Auxiliary Opening Structure and Using Method of Laser Pipe Cutting Machine. This invention was developed by Yang Xi. The patent application number is CN202511282020 20250909. The patent publ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has received Yantai Zhirong Metal Mat Co Ltd patent application for Laser Pipe Cutting Machine for Machining Fire Extinguisher Protective Cover. Wang Jun, Li Yang, Wang Beibei and Zhao Xue developed the invention. The patent application number is CN202511271399 ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- China Machinery CNC Tech Fujian Co Ltd has submitted a patent application for Double-clamping Type Laser Pipe Cutting Machine with Automatic Feeding and Discharging Functions. This invention was developed by Jiang Chunquan, Ye Ming, Wu Yongqin, Xu Shaowen and Tang Wenjuan. The patent application number is..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has published Anhui University of Science and Technology patent application for Device for Pushing Extraction Pipe to Gas Extraction Drill Hole and Drilling Sieve Meshes. The invention was developed by Yue Jiwei, Liao Jie, Shi Biming, Han Qijun, Liang Yuehui, Li Ya..

Pipe

  |  Wed 25 Mar 2026

London, March 26 -- UK Patent Office has published Forum US patent application for Washpipe Assembly. The invention was developed by Stephen Patterson, Sohaib Anwer and Blake E Smith. The patent application number is GB20250016309 20240308. The patent publication number is GB2643617 (A). International Patent Classification co..

Pipe

  |  Wed 25 Mar 2026

London, March 26 -- Profloat LLC has submitted a patent application for Improvements in Lining a Pipeline. Russell Edwards developed the invention. The patent application number is GB20250013596 20230123. The patent publication number is GB2643603 (A). International Patent Classification codes are B29C63/00, B29C63/36, B29C65..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Tangshan Research Institute Beijing Institute Of Tech has submitted a patent application for Titanium Alloy Component Preparation Method and Device and Diversion Pipe Radius Confirmation Method. This invention was developed by Sun Xiangyang, Cao Tangqing, Wang Zhenchao and Zhao Shiyu. The patent applicati..

Pipe

  |  Wed 25 Mar 2026

London, March 26 -- Nlb Engineering Ltd has applied UK patent for Swarfless Pipe Cutting Method. John Francis S Heffernan developed it. The patent application number is GB20240011543 20240806. The patent publication number is GB2643214 (A). International Patent Classification codes are B23D21/06, B23D21/10, F16L41/04 and F16L..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Anhui Xiutong Building Material Tech Co Ltd has submitted a patent application for Leveling and Calendering Machine for PVC (polyvinyl Chloride) Lining of Cement Socket Pipe. This invention was developed by Fang Shuliang, Ding Jiaqing and Jin Xiaopan. The patent application number is CN202511377781 202509..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Suzhou Jiashun Pipe Ind Co Ltd has submitted a patent application for Flame-retardant High-density Polyethylene Silicon Core Pipe. This invention was developed by Liu Yi, Wu Yunyun and Qian Jiaying. The patent application number is CN202511132306 20250813. The patent publication number is CN120941708 (A)...

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Linyi Zhongke Xinhua New Material Tech Co Ltd has applied Chinese patent for Constant-temperature and Speed-control Crystallizing Machine for Forming PLA (polylactic Acid) Suction Pipe for Waste Recovery. Yuan Zhaoqing, Li Defu, Huang Gongxun and Wang Zhicheng developed it. The patent application number i..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Dalian Yiduo Piping Co Ltd has applied Chinese patent for Multi-terrain Intelligent Pipeline Heat Preservation Joint Equipment. Guo Linxuan, Liu Zhongke, Bai Guang, Li Qiang, Yuan Yue, Tang Shunqiang, Hou Lili, Xie Rupeng, Yu Tie, Wang Shoujun, Jin Ying, Lyu Xinxin, Li Haoyi, Liu Dan, Wang Shikai and Cong Fe..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Jiangsu Youfu Anticorrosive Tech Co Ltd has submitted a patent application for Forming Process of Steel Lining Polytetrafluoroethylene Concentric Reducing Pipe. This invention was developed by Wang Xinfu. The patent application number is CN202511389876 20250926. The patent publication number is CN12094163..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Daoyunai Energy Saving Tech Suqian Co Ltd has applied Chinese patent for Non-excavation Pipeline Photocuring Hose Pre-impregnation Device, Pre-impregnation Process and Lining Hose Adopting Pre-impregnation Process. Chen Maochen and Chen Jia developed it. The patent application number is CN202511491977 202..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has published Jiangsu Dalishen Pipe Co Ltd patent application for Pipe Pile Mold Cleaning Equipment. The invention was developed by Li Aimin and Lu Yonggang. The patent application number is CN202511107175 20250808. The patent publication number is CN120941548 (..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Pizhou Hengli Cement Products Co Ltd has applied Chinese patent for Steam Curing Device for Cement Pipe Curing. Guo Ping, Yang Ming and Ning Jianlong developed it. The patent application number is CN202510931997 20250707. The patent publication number is CN120941537 (A). International Patent Classificatio..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Nanjing Sanmu Intelligent Tech Co Ltd has filed a patent application for Polishing Device for Metal Pipe Fitting Machining. This invention was developed by Tang Haitao, Wang Jing, Kang Tiankui, Qin Chi and Wu Minhong. The patent application number is CN202511271937 20250908. The patent publication number ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Hangzhou Xinlu Ind Co Ltd has submitted a patent application for Mpp Pipe Grinding Device Based on Fixed-distance Traction and Slitting Integration. Zhang Fengde, Wu Guolong, Gao Guijun, Xia Haiming and Xiao Hangui developed the invention. The patent application number is CN202511440950 20251010. The pate..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Baowu Teye Hangyan Tech Co Ltd has applied Chinese patent for Polishing and Grinding Device for Inner Hole of Aerospace Pipe and Using Method of Polishing and Grinding Device. Zhu Bin, Wu Jianjun, Yang Junhe, Jiang Haijun, Xie Chuanxin, Li Rongzhi, Yang Liujuan, Hu Yi, Xiong Anjun and Wang Zihong developed i..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Beijing Jianqi Fuheng Engineering Tech Co Ltd has filed a patent application for Steel Pipe Rust Removal Device for Building Engineering Construction. This invention was developed by Wang Luxin, Gou Jilong, Geng Shuxian, Duan Zhengzheng, Niu Zining, Cheng Xingwei, Zhang Xiangjun, Zhu Xiaoqi, Wang Fengjuan an..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Zhangjiagang Rongsheng Special Steel Co Ltd, Jiangsu Shagang Group and Jiangsu Shagang Institute Research Iron & Steel have filed a patent application for Centering Device for Spraying Pipe of Continuous Casting Machine. This invention was developed by Mao Zhigang, Zhou Zhengdong and Yuan Kun. The patent ..

Pipe

  |  Wed 25 Mar 2026

London, March 26 -- UK Patent Office has published Kylin Sanitary Technology (Xiamen) patent application for Adjustable Shower Pipe Assembly. The invention was developed by Wenjun Li, Qingshuang Li, Cungui Lai, Xijie Deng and Mingchan Wang. The patent application number is GB20240013171 20240909. The patent publication number i..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- Shanxi Huajiefeng Construction And Installation Eng Co Ltd has applied Chinese patent for Automatic Laying Device for Communication Pipeline. Jia Tengfei, Yan Weilong, Liu Lulu, Guo Wentao, Li Jia and Wei Zhiyao developed it. The patent application number is CN202511461914 20251014. The patent publication..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 26 -- State Intellectual Property Office of China has received Materials Institute of China Academy Engineering Physics patent application for Machining Device and Machining Method for Thin-wall Shell Pipe Fitting. Song Wei, Ren Zhiyong, Wu Wenhao, Zhang Yanfu, Tuo Chao and Zhang Chuanyu developed the invention. ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Guizhou University has sought patent for Online Video Stream Sensitive Content Detection Method and System Based on Pipeline Parallelism. This invention was developed by Shen Guowei, Li Chenxiang, Guo Chun, Choi Yun-ha and Chen Yi. The patent application number is CN202510889326 20250630. The patent publica..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released Nantong Jiubang Environmental Prot Equipment Co Ltd patent application for Negative Pressure Waste Gas Collecting Air Pipe. This invention was developed by Chen Fuqiang, Yang Hua, Sun Lin and Si Xiujuan. The patent application number is CN2025114612..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Fuzhou Planning Design & Research Institute Group has submitted a patent application for Rainwater Regulation and Storage Comprehensive Pipe Gallery with Purification Function. This invention was developed by Huang Zhixin, Gao Xiaoping, Lin Gongbo, Shi Minkui, Lin Mingbo, Lin Lanna and Zheng Rui. The patent..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has published Zaozhuang Xinda Machinery Co Ltd patent application for Automatic Cleaning Type Pipe Orifice Filter Screen Device for Water Conservancy Drainage. The invention was developed by Liu Zhifeng, Wang Linlin, Liu Chunwei, Yue Qinghe, Zhou Ying, Zhang Feng, ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Zhao Yongsen has sought patent for Medical Pipe Fitting Disinfection Device and Disinfection Method. The patent application number is CN202511215669 20250828. The patent publication number is CN120919361 (A). International Patent Classification codes are A61L2/06, A61L2/10, A61L2/18, A61L2/22, A61L2/26 a..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Shaanxi Odia Ind Co Ltd has sought patent for Wireless Monitoring Method Based on Dynamic Mapping of Configuration of Internet of Things and Pipe Network Equipment. This invention was developed by Zhang Leiyu and Zhang Shaohua. The patent application number is CN202511430226 20251009. The patent publicati..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Google has filed a patent application for Byte Stream Processing Pipeline for Hardware Integrated Circuits. This invention was developed by Yoon Hong-il, Kane Anand Suresh and Long Xiaoxiao. The patent application number is CN20248021120 20240325. The patent publication number is CN120917423 (A). Internatio..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Chen Tian has applied Chinese patent for Variable-ratio Liquid Mixing Double-person Suction Pipe and Working Method Thereof. The patent application number is CN202511303755 20250912. The patent publication number is CN120918481 (A). International Patent Classification code is A47G21/18. The abstract of..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released Henan University of Science and Technology patent application for Rapidly Telescopic Pesticide Spraying Pipe. This invention was developed by Jin Xin, Chen Zhuo, Zhu Xiaowu, Zhang Long, Hou Yibo, Zhao Bo, Ma Hao and He Zhitao. The patent application n..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- China University of Mining has filed a patent application for Leaf-shaped Bionic Pulsating Heat Pipe Loop Cooling System. This invention was developed by Ling Yunzhi, Yi Wenjun, Ding Miao, Chen Yihe, Zhu Zeyu and He Hongzhang. The patent application number is CN202511442419 20251010. The patent publication ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has published Nitta Corporation patent application for Pipe Joint. The invention was developed by Kimoto Koichiro, Ichihashi Mizuho and Kusu Yusuke. The patent application number is CN20248017960 20240216. The patent publication number is CN120917261 (A). Intern..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Viega GmbH & Co KG has sought patent for Pipe Fitting and System for Connecting Pipe and Functional Unit. This invention was developed by Muller Andreas, Frank Bernd and Arning Ulrich. The patent application number is CN20248018225 20240307. The patent publication number is CN120917258 (A). International ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has published Jiangsu Laihua Petroleum Equipment Co Ltd patent application for Mineral Insulation Heating Pipe Cable Control Method and System Based on Temperature Feedback. The invention was developed by Qian Yuhua and Qian Rongguo. The patent application numbe..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released Wanwei Zhian Tech Shenzhen Co Ltd and Yinguang Optical Tech Shanghai Co Ltd patent application for Automatic Pipe Manufacturing Equipment of Image Intensifier. This invention was developed by Huang Dehe, Lin Qiang and Wu Suli. The patent application..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released East Seal Tech Jiangsu Co Ltd patent application for Multi-wire-hole Cable Pipeline Sealing Structure with Fastening Function. This invention was developed by Wu Zhichen and Sun Yan. The patent application number is CN202511156712 20250819. The pate..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released Tongling Power Supply Company State Grid Anhui Electric Power Co Ltd and Tongling City Yian Distr Power Supply Company State Grid Anhui Electric Power Co Ltd patent application for Standby Power Pipeline Protection Device and Pipeline Damage Position P..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Yangjiang Nuclear Power and China Nuclear Power Operations have sought patent for Foreign Matter Treatment Method for Pressure Drawing Pipeline of Safety Valve. This invention was developed by Li Dan, Zhou Yan, Liu Xingreng, Zhang Tao, Wu Houyong, Duan You and Liang Haian. The patent application number is..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has published China Nuclear Industry 23 Construction patent application for Device for Connecting Hot Air Guide Pipe Assembly and Mounting Method Thereof. The invention was developed by Yu Dehe, Shi Fayong, Gou Junqiang, Wang Rui, Lyu Zhihao, Hu Min, Zhao Junzheng,..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Nanjing University Suzhou High Tech Institute has filed a patent application for Voiceprint Recognition Detection Method for Internal Defects of Drainage Pipeline. This invention was developed by Li Tao, Sun Ke, Zhang Wei, Shi Hongbing, Yong Zuliang, Xu Ziyuan, Zhu Honghu and Tan Daoyuan. The patent appli..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has received Detong Construction Group patent application for Building Mechanical and Electrical Installation Pipeline Erecting Device. Xin Shusheng, Lee Hwa-jung, Liu Zhiqi, Liu Junjun, Wang Junjun and Yang Yunyun developed the invention. The patent application n..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Guangdong Construction Engineering Quality Safety Inspection General Station has submitted a patent application for Underground Pipe Gallery Sectional Type Fire Early Warning Device Based on Temperature Sensing Control. Xiong Jian, Chen Shaoxiang, Wang Xinxiang, Wei Yeyuan, Li Ming, Ma Yehong and Liu Xuan de..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has released China University of Mining and Technology, Beijing patent application for Urban Road Ground Penetrating Radar Profile Underground Pipeline Automatic Detection and Positioning Method Based on Data Enhancement. This invention was developed by Yang Feng, ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has published Shanghai Investigation Design & Research Institute patent application for Automatic Mapping Method and Device for Pipe Network Topological Relation and Computer Equipment. The invention was developed by Tong Wenqian, Li Jie, Zhong Sumei, Wang Maosheng..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Xuyi Guolian Construction Eng Quality Inspection Co Ltd has submitted a patent application for AI Identification Method and System for Pipeline Defects, Medium and Product. This invention was developed by Gao Ping and Zhang Shoubo. The patent application number is CN202510883038 20250628. The patent publi..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- State Intellectual Property Office of China has received Karamay Campus Of China University Of Petroleum Beijing patent application for Method and Device for Predicting Deterioration Degree of Metal Coating of Oil Pipe and Electronic Equipment. Dong Baojun, Liang Yuhao, Xiong Xiaoqin, Han Zhong, Li Can, Zhan..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Guangdong Urban & Rural Planning And Design Institute Tech Group Co Ltd has applied Chinese patent for Comprehensive Evaluation Method and Device for Toughness of Water Supply Pipe Network System and Computer Medium. Wang Xuemiao, Deng Tianqi, Yang Gaohua, Ling Xiao, He Minglei, Jiang Yuran, Tong Xueqiang, S..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Hefei Institute Public Safety Research Tsinghua University has filed a patent application for Urban Gas Pipeline Risk Assessment Method, Storage Medium and Electronic Equipment. This invention was developed by Wu Xiangfei, Fu Ming, Yin Songfeng, Wang Jingwu, Hou Longfei and Liang Guanghua. The patent applic..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Karamay Campus Of China University Of Petroleum Beijing has sought patent for Corrosion Risk Assessment Method and Device for Stainless Steel Pipeline Under Thermal Insulation Layer Based on Entropy Weight Analysis Method, Electronic Equipment and Storage Medium. This invention was developed by Dong Baojun, ..

Pipe

  |  Wed 25 Mar 2026

Beijing, March 25 -- Sichuan Neijiang Water Conservancy And Electric Power Survey And Design Inst Co Ltd has submitted a patent application for Water Conservancy Pipeline Section Intelligent Adjustment Method Based on Digital Twinning. This invention was developed by Yu Yucai, Huang Rang, Wang Gang, Li Jie, Cao Jianping, Zhang S..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Changzhou Nr Electric Power Electronics Co Ltd patent application for Rapid Detection System and Test Method for Thermal Performance of Heat Pipe Radiator. Yun Qianglong, Wu Jiping, Zhang Guangtai, Yao Ning, Xia Zhaoyang, Chen Yuxi, Chen Wu, Hu Zhiyang..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has published Changzhou Shengyue Mould Co Ltd patent application for Method and System for Detecting Air Tightness of Plastic Pipe Connecting Piece. The invention was developed by Yan Yuebo, Lu Jiayuan and Liu Min. The patent application number is CN202511367675..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Shenyang Fengchi Tech Co Ltd has filed a patent application for Safety Protection Monitoring Method and System for Pipe Gallery Construction. This invention was developed by Li Yifan, Huang Zhiru and Lin Wen. The patent application number is CN202511144982 20250815. The patent publication number is CN1209..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Tianjin Kingleed Tech Co Ltd patent application for Multi-path Measurement Pipe Section Type Ultrasonic Flow Metering Method and System. Wang Suixia, Wang Kun, Li Pan, Dong Quanzhong and Yuan Dongping developed the invention. The patent application ..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Sichuan Jianlu Innovation Tech Development Group Co Ltd patent application for Deformation Detection Equipment for Water Conservancy Pipeline Facility. Li Xueyuan, Dong Xianqiang, Jin Chunlei, Chen Haifeng, Li Changjiang, Zhang Yu, Jing Guodong, Xin Yu..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Yuteng Shanghai Supply Chain Management has submitted a patent application for Ball Screw Capable of Preventing Clamping Stagnation of Return Pipe. Fan Zhongliang developed the invention. The patent application number is CN202511209889 20250827. The patent publication number is CN120946768 (A). Internatio..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Hubei Day Lam Mat Co Ltd has filed a patent application for Multi-working-condition Simulation Device for Pressure Resistance Test of Polyethylene Pipe. This invention was developed by Chen Zhixiong and Liao Qiaoyan. The patent application number is CN202511460622 20251014. The patent publication number i..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Nantong Baodi Energy Equipment Co Ltd has filed a patent application for Pipe Welding-free Pressure Test Device and Working Method Thereof. This invention was developed by Guo Jianhui and Zhang Hongshuai. The patent application number is CN202511269769 20250908. The patent publication number is CN12094823..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Jiangxi Xinchao Tech Co Ltd has applied Chinese patent for Cipp Pipeline Repair Compressive Strength Detection Device. Cai Jinyan and Ouyang Pinggen developed it. The patent application number is CN202511227103 20250829. The patent publication number is CN120948231 (A). International Patent Classification..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has released Hebei Xingjie Pipe Ind Co Ltd patent application for Plastic Pipe Static Pressure Test Device and Method. This invention was developed by Liu Xuguang. The patent application number is CN20251132698 20250725. The patent publication number is CN120948..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Fudan University and Shanghai Nuclear Engineering Research & Design Institute patent application for Nuclear Power Hose Loss Life Prediction Method. Gong Yi, Liu Yulin, Wang Xujia, Xia Shuan, Li Rongbo, Wang Hongchang, Wang Xu, Jiang Jiaxuan, Liu Xiaoq..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Southwest Chongqing Aluminum Mat Production Development Co Ltd patent application for Device and Method for Detecting Crack Resistance of Aluminum Alloy Welded Pipe. Wang Shuming and Wang Weiwei developed the invention. The patent application number..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Shandong Warmpipes Environmental Protection Tech Co Ltd has submitted a patent application for Uniform Spraying Device for Outer Surface of Polyurethane Thermal Insulation Pipeline. This invention was developed by Dou Ming'e, Hong Dongfang and Hong Weipeng. The patent application number is CN202511488463 ..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Hengyang Hongtao Machinery Machining Co Ltd patent application for Equipment and Method for Uniformly Spraying Axial Paint Film of Steel Pipe. Hu Shangqi, Wang Xin, Liu Ke, Xiao Lisheng and Zhou Qi developed the invention. The patent application num..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Shanxi Xinsheng Malleable Iron Co Ltd has filed a patent application for Feeding Conveying Device for Pipe Fitting Powder Spraying and Using Method. This invention was developed by Wu Xipeng and Wu Yuesheng. The patent application number is CN202511483307 20251017. The patent publication number is CN12094..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Shanghai Taikelong Valve Co Ltd has sought patent for Galvanized Pipe Anti-corrosion Spraying Device. This invention was developed by Hu Zhihong. The patent application number is CN202511470612 20251015. The patent publication number is CN120940127 (A). International Patent Classification codes are B05B13..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Guangzhou Yuanjing Safety Assessment & Detection Co Ltd has sought patent for Oil and Gas Pipeline Corrosion Evaluation Method and System Based on Potential Detection. This invention was developed by Gao Guangbiao, Tang Wei and Zhu Jun. The patent application number is CN20251178563 20250801. The patent p..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has released Hubei Day Lam Mat Co Ltd patent application for Corrosion Resistance Detection Equipment for Plastic Pipe. This invention was developed by Liao Qiaoyan and Chen Zhixiong. The patent application number is CN202511105206 20250807. The patent publicati..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has published Shanghai Ershiye Construction Co Ltd, China MCC20 Group Corporation and China Metallurgical Tech & Engineering Co Ltd patent application for Long-distance Process Pipe Network Purging System and Use Method Thereof. The invention was developed by Li Ju..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has published Dongying Weilian Chemical Co Ltd patent application for Self-circulation Anti-blocking Flushing Device for Dehumidifying Pipeline of PTA (pure Terephthalic Acid) Filter Press. The invention was developed by Li Zhiquan, Zhang Xinguo, Li Ming, Wen Chuan..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has released Changzhou Taiming Machinery Co Ltd patent application for Intelligent Pipeline Dredging Device. This invention was developed by Tao Yuming, Tao Yanying and Wang Ruoxi. The patent application number is CN202511476736 20251016. The patent publication ..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has released Yueyang Zhusheng Valve Pipeline Co Ltd patent application for Adjustable Push-bending Type Pipe Bending Machine for Large Bending Radius. This invention was developed by Tong Yu, Deng Qing and Li Xunhua. The patent application number is CN2025111440..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has received Hetai Nantong Prec Machinery Co Ltd patent application for Multi-shaft Linkage Pipe Bending Machine. Tang Guofei, Chen Ling, Ju Jinxing, Chen Sidong, Yuan Shuangshuang, Deng Xiaowei, Chen Guang and Wang Shenghai developed the invention. The patent a..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Nantong Zhusheng Machinery Co Ltd has submitted a patent application for Production Verification Method of Metal Pipe Joint Cold Extrusion Die. Wen Daoyou developed the invention. The patent application number is CN202511487801 20251017. The patent publication number is CN120940426 (A). International Pate..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has released Guangdong Jianmei Aluminum Profile Factory Co Ltd and Foshan Jma Aluminium Co Ltd patent application for Rotary Aluminum Pipe Based on Forward Extrusion Process and Preparation Method Thereof. This invention was developed by Zhang Ce and Ge Weidong. ..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- State Intellectual Property Office of China has published Shanxi Institute of Electronic Science and Tech patent application for Pipe and Bar Staggered Rotary Rolling Mechanism and Method. The invention was developed by Li Jucai, Wang Jianliang, Liu Yongping, Wang Chen, Wang Minchi and Zhao Chunjiang. The..

Pipe

  |  Thu 26 Mar 2026

Beijing, March 27 -- Wuhu Shida New Energy Tech Co Ltd has submitted a patent application for Natural Gas Pipeline Cleaning Device. This invention was developed by Wang Shancao, Chen Zhixuan and Lu Da. The patent application number is CN202511400629 20250928. The patent publication number is CN120940332 (A). International Pat..

Pipe

  |  Fri 27 Mar 2026

Alexandria, March 27 -- Helmerich & Payne Technology has secured a patent on Oil Rig Drill Pipe and Tubing Tally System. Torrione Peter A developed the invention. The patent application number is US202418612696 20240321. The patent publication number is US12584730 (B2). International Patent Classification codes are E21B17/00,..

Pipe

  |  Fri 27 Mar 2026

Alexandria, March 27 -- U.S. Patent and Trademark Office has awarded a patent to Advanced Suspension Tech LLC for Tank Breather Cap with Integrated Filter, Splash Protection, and Nipple for Breather Hose. Olofsson Carl and Llonch Kenneth developed the invention. The patent application number is US202418594261 20240304. The pa..

Pipe

  |  Thu 26 Mar 2026

Alexandria, March 27 -- United States Patent for Pipe Cutting Device has been issued to Chen Shih Yang. The patent application number is US202418812873 20240822. The patent publication number is US12583141 (B2). International Patent Classification code is B26D3/16. Cooperative Patent Classification codes are B26D3/16 (EP), B26D3..
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