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Pipe
| Sun 03 May 2026
Beijing, May 4 -- Chongqing Jiaotong University has submitted a patent application for Method, System and Equipment for Evaluating Fatigue Performance of Inner Ring Rib Steel Pipe Concrete Joint. This invention was developed by Wang Kang, Xin Jingzhou, Wang Yuhang, Zhou Jianting, Zhang Hong, Tan Jike, Tang Qizhi, Du Chengyang an..
Pipe
| Sun 03 May 2026
Beijing, May 4 -- CSG Smart Science & Technology has submitted a patent application for Steel Pipe Identification Device and Identification Method Thereof. This invention was developed by Xia Hanhui, Gao Ming, Chen Weibing, Wu Yumiao, Xu Shang, Su Zhongtao, Zhang Ge, Wen Zhonghua and Zhong Zhimin.
The patent application number ..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Tsinghua University has submitted a patent application for Submarine Pipeline Suspended Span Detection Method Based on Low-frequency Mechanical Guided Waves. This invention was developed by Wang Facheng and Ni Anchen.
The patent application number is CN202511397967 20250928. The patent publication number is CN..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- PEM (China) has submitted a patent application for Liquid Cooling Branch Pipe System. Sun Qiang, Duan Dapeng, Zhang Chunyu, Cai Shengbao, Liu Dong, Wu Yong and Huang Zhiqiang developed the invention.
The patent application number is CN202511600702 20251104. The patent publication number is CN121206960 (A). Int..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Danfoss has submitted a patent application for Collecting Pipe, Heat Exchange Device and Collecting Pipe Manufacturing Method. This invention was developed by Yuan Jing, Yang Jing, Liu Yubao, Li Yanxing and Chen Shendong.
The patent application number is CN202410841058 20240626. The patent publication number i..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Beijing Jiaotong University has submitted a patent application for Atypical Heat Pipe and Plate Body Integrated Structure and Method for Friction Stir Welding Packaging. Zhang Lele, Dou Weiyuan, Zhou Zhiyong and Qi Xiaopeng developed the invention.
The patent application number is CN202511471275 20251015. The ..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Northwest Electric Power Design Institute has submitted a patent application for Natural Ventilation Air Cooling System and Steam Exhaust Pipeline Optimization Method. This invention was developed by Lyu Lan, Song Jiangwen, Ma Xinqiang, Zhang Le, Yang Yi, Yang Yingzhe, Shen Jingyi, Liu Xinlong and Li Peng.
The..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Kunming University of Science and Technology has submitted a patent application for Intelligent Pipeline Detector Based on Positron Emission Particle Tracer Technology and Detection Method. This invention was developed by Xiao Qingtai, Chen Wanchang, Xu Jianxin, Yang Kai and Wang Hua.
The patent application nu..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- First Branch of Tianjin Youfa Steel Pipe Group Co Ltd and Tianjin Youfa Steel Pipe Group Co Ltd have submitted a patent application for High-precision Deviation Rectifying Device for Galvanized Steel Pipe. Huang Zhigang, He Guohua, Guo Zhijie, Mao Liguo, Liu Hongxuan, Yuan Song, Gao Jianqiang, Liao Baoli, Tang ..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Shaanxi Youbang New Material Technology has submitted a patent application for Heat-resistant Rubber Sealing Ring for Pipeline Interface and Preparation Method of Heat-resistant Rubber Sealing Ring. This invention was developed by Niu Zhoufeng, Zhan Peng and Hu Wentiao.
The patent application number is CN20251..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Shandong Labor Vocational and Technical College, Shandong Labor Technician Institute has submitted a patent application for Electric Explosion Spraying Device and Method for Inner Wall of Slender Pipe. Chen Tingting, Zhao Yuxin, Liu Guangli, Kan Deguang and Wang Fengqiao developed the invention.
The patent app..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Zhejiang Jiuli Hi-Technology Metals has submitted a patent application for High-plasticity Stainless Steel Profile and Pipeline. This invention was developed by Wu Junjie, Yang Chen, Li Jiequan, Wang Guobo, Kong Qian, Shen Binhui, Wang Longfei, Yang Peng, Cai Xiayan, Shen Chenghao, Sun Yan and Xu Amin.
The pat..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Guizhou Road & Bridge Group has submitted a patent application for Oil Pipeline and Highway and Railway Cross Protection Structure and Construction Method. This invention was developed by Ran Yi, Ao Kai, Wu Dong, Wang Yan, Xie Lei, Kuang Ze and Huang Anquan.
The patent application number is CN202511258244 2025..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Shanghai Foundation Engineering Group has submitted a patent application for Control Device for Pipe Joint Seam Opening of Pipe-jacking Tunnel Pipe Joint. This invention was developed by Li Xiaowen, Mei Zekun, Zhang Guiheng, Lu Shijie and Guan Hongli.
The patent application number is CN202511456299 20251013. T..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Henan Polytechnic University has submitted a patent application for High-stress-area Sliding Type Active Unloading Hole Protection Screen Pipe and Manufacturing and Using Method of High-stress-area Sliding Type Active Unloading Hole Protection Screen Pipe. This invention was developed by Zhang Shuo, Sun Zhidong..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- China Communications Changsha Construction has sought patent for Device for Pipe Shed Construction and Pipe Shed Support Mounting Method. This invention was developed by Xu Quan, Yang Wu, Lyu Zhenlei, Zhu Lei, Liu Jialei, Zhou Xiang, Liu Guangbao, Long Ning, Lei Xu, Ouyang Zhen and Guo Zhipan.
The patent appli..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- China First Metallurgical Group has sought patent for Mortise and Tenon Combined Formwork for Pipeline Wrapping Pipe Concrete and Pouring Construction Method of Mortise and Tenon Combined Formwork. This invention was developed by Li Honghai, Liu Yongchao and Shao Zhao.
The patent application number is CN202410..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Tianyi Wulian Technology has sought patent for Water Supply Pipeline Leakage Detection Method and System. This invention was developed by Zhang Dong.
The patent application number is CN202511599467 20251104. The patent publication number is CN121206403 (A). International Patent Classification codes are F17D1/0..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- China 22MCC Group Corporation has sought patent for Connecting Method for Pipe Jacking Connector and Cast-in-place Structure. This invention was developed by Xia Di, Cheng Hao, Zhao Yuhang, Zhou Zhenglong, Wang Ping and Jia Zongxiao.
The patent application number is CN202511582688 20251031. The patent publicat..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Taizhou Sanjiang Fire Control Equipment has sought patent for Fire Hose and Connecting Assembly Thereof. This invention was developed by Yan Wei and Liu Gang.
The patent application number is CN202511473121 20251015. The patent publication number is CN121206302 (A). International Patent Classification codes ar..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Jiangsu Gaochuang Wind Power Equipment has sought patent for Quick-change Connector of Wind Power Generation Hydraulic Pipeline. This invention was developed by Zhang Hainan and Zhao Jiyang.
The patent application number is CN202511248230 20250903. The patent publication number is CN121206298 (A). Internationa..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Research Institute Highway Mini Transportation has sought patent for Tiled Circulation Refrigeration Pipe Structure for Roadbed in Permafrost Region and Laying Method of Tiled Circulation Refrigeration Pipe Structure. This invention was developed by Tian Bo, Quan Lei, Lu Xianglin, Zhu Xuwei and Ji Jianrui.
The..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- CGN Inspection Tech Co Ltd and Suzhou Nuclear Power Research Institute have submitted a patent application for Laser Cutting Device and Method for Cutting Filiform Foreign Matter Between Pipes of Steam Generator. Ma Long, Wu Weirang, Song Mengying and Cheng Zhifeng developed the invention.
The patent applica..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Zhongyu Tiexin Traffic Technology has applied Chinese patent for Flame-retardant Rubber Sealing Ring for Water Supply and Drainage Pipe and Preparation Method of Flame-retardant Rubber Sealing Ring. Zhao Rong, Li Peng, Jia Leilei, Li Yingdi, Yan Sun, Yang Xifeng, Wang Shanhu, Liu Chunjie, Gao Meijuan, Ai Yi, Wa..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- PowerChina Northwest Engineering Corporation has applied Chinese patent for Insulation Layer and Electric Heat Tracing Configuration Method for Industrial Equipment and Pipeline. Niu Dongsheng, Zhou Zhi, Wang Kaixuan, Zhang Junfeng, Zhang Siyuan, Yan Huimin and Qi Kailai developed it.
The patent application nu..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Hebei Special Equipment Supervision and Inspection Institute has applied Chinese patent for Method for Judging Aging Degree of In-service Pipeline Material. Liu Chao, Hu Jingrui, An Yanjun, Cheng Cong, Sun Zhanyuan, Li Ningning, Liu Zhiyong, Ma Hongchi, Zhang Yanming, Liu Xiaoxu, Ma Jun, Fan Yunlu, Li Naiwen, Z..
Pipe
| Sun 03 May 2026
Beijing, May 4 -- Electric Power Research Institute has applied Chinese patent for Underground Comprehensive Pipe Gallery Grounding System Model and Grounding System Analysis Method. Hu Shangmao, Wu Yongcong, Qu Lu, Liao Minchuan, Hu Taishan, Liu Gang, Chen Huaifei, Liu Hao, Mei Qi and Cai Hansheng developed it.
The patent appl..
Pipe
| Sun 03 May 2026
Munich, May 4 -- Waertsilae Finland has filed a patent application for a Double-wall Pipe for Transferring High-pressure Fuel and a Fuel System of an Internal Combustion Piston Engine. This invention was developed by Vuohijoki Antti and Högholm Daniel Lars-bertel.
The patent application number is EP20230733987 20230621. The pa..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- Tianjin Water Group Huamiao Planning Survey and Design Institute has filed a patent application for Grouting and Plugging Method for Lining Construction of Large-diameter Pressure-bearing Water Delivery Steel Pipe. This invention was developed by Guo Xiaohui, Liu Yanlong, Cui Bowen, Peng Guanshou, Sun Boyang, Y..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received 724th Research Institute of China State Shipbuilding patent application for Aluminum Alloy Complex Bent Pipeline Anodic Oxidation Process for Eliminating Air Bag. Wu Qilu, Zhang Chun, Gong Ao and Zhou Mengyue developed the invention.
The patent applicati..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received Beijing China Coal Mine Engineering patent application for Underground Diaphragm Wall Joint Reinforced Water Stop Structure and L-shaped Freezing Pipe Freezing Construction Method. Han Shengming, Gao Wei, Fu Cai, Han Yufu, Yang Ning and Xu Junwei develope..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received Zhejiang Fengmao Technology patent application for Hoop Adhering Structure and Device for Rubber Pipe and Using Method. An Zhongwei, Yin Xuepeng, Liu Tao, Yu Tingmao, Ye Maozhen and Wang Juncheng developed the invention.
The patent application number is ..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received China Huaye Group patent application for Self-made Grouting Guide Pipe Suitable for Soft Rock Stratum and Construction Method of Self-made Grouting Guide Pipe. Chai Leitai, Sun Ke, Zhao Haibo, Zhou Yajie, Gao Yuxuan, Xu Taoli, Tian Xiaolei and Li Suhong d..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received Tianjin Pengling Group patent application for Air Conditioner Pipeline. Gao Xianhua, Tong Ming, Zhao Yuming and He Mengyuan developed the invention.
The patent application number is CN202511622943 20251107. The patent publication number is CN121206761 (A..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has released China First Metallurgical Group patent application for Embedded Connecting Device on Outer Side of Pump Pipe. This invention was developed by Han Cheng, Luo Yinjian, Fang Zhengchao, Zhang Fan and Xia Han.
The patent application number is CN202410958717 2..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has released Harbin Natural Resources Comprehensive Survey Center China Geological Survey patent application for Drill Rod Clamping and Pipe Screwing Device. This invention was developed by Li Fuming, Wang Wendong, Fu Xingyu, Zhang Chunyu, Wang Jiahui and Zhao Wei.
T..
Pipe
| Mon 04 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has released 22MCC Road and Bridge Construction Hebei patent application for Basement Pipeline Through-wall Low-influence Construction Method Based on Rigid-flexible Partition Plugging. This invention was developed by Liu Shichao, Li Xiaojian and Zhang Zuoming.
The p..
Pipe
| Sun 03 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has published Beijing University of Posts and Telecommunications patent application for Diffusion Converter Pipeline Parallel Method and Device for Heterogeneous Nodes. The invention was developed by Li Kaifang, Xie Renchao, Tang Qinqin and You Ziyue.
The patent appl..
Pipe
| Sun 03 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has published China IPPR International Engineering patent application for Underground Pipe Network Detecting and Positioning Method and Device. The invention was developed by Huang Xiaojia and Zheng Longlong.
The patent application number is CN202511774313 20251128. ..
Pipe
| Sun 03 May 2026
Munich, May 4 -- European Patent Office has published SeeScan patent application for Inner Drum Module with Push-cable Interface for Pipe Inspection. The invention was developed by Parsons David, Olsson Mark, Martin Michael, Warren Alexander and Corvin Andrew.
The patent application number is EP20240743942 20240619. The patent ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Jiangsu Linked Intelligent Tech Co Ltd and Linked Intelligent Tech Co Ltd have filed a patent application for System and Method for Assembling Internal Lead Screw and Internal Supporting Pipe of Electric Tail Door Supporting Rod of Automobile. This invention was developed by Zhu Yonghong, Gao Zhibiao, Shi Haihu..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Sinohydro Engineering Bureau 5 and Shifang City Water Conservancy Bureau have filed a patent application for Control Device for Synchronously Lowering Pressure Steel Pipe by Multiple Winches. This invention was developed by Jiang Jiachi, Yi Hong, Wang Juan, Su Yunfu, Sun Xueliang, Li Gang, Li Tao, Chen Tan, Wan..
Pipe
| Sun 03 May 2026
Beijing, May 4 -- State Intellectual Property Office of China has received China Yangtze Power patent application for Typical Fault Diagnosis Method and System for Water Diversion Pipeline of Hydroelectric Generating Set. Wang Benhong, Cai Wei, Guo Jiang, Yu Zhiqiang, Zhang Fangqing, Zhu Bin, Zhang Peng and Ran Eyu developed the..
Pipe
| Sat 02 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Nanjing Fire Protection Technology patent application for Self-drainage Type Fire Hose REEL. Xia Guoxiang, Wang Shiyuan, She Jiayang, Li Ziheng and Wang Aochen developed the invention.
The patent application number is CN202511534377 20251026. The patent ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Shanxi Taigang Stainless Steel Steel Pipe Co Ltd has applied Chinese patent for Manufacturing Method of Three-layer Corrosion-resistant Composite Pipe for Oil and Gas Exploitation. Wang Bowen, Yang Fan, Dong Yabiao, Niu Bo, Hou Nan, Guo Jianbang, Guo Lei and Zheng Wenjie developed it.
The patent application ..
Pipe
| Fri 01 May 2026
Alexandria, May 2 -- United States Patent for Methods and Systems for Running Secure Pipeline Tasks and Insecure Pipeline Tasks in the Same Hardware Entities has been issued to Pensando Systems. This invention was developed by Galles Michael Brian, Matus Francis and Sabev Anton.
The patent application number is US202318136157 2..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released Dalian COSCO KHI Ship Engineering patent application for Double-wall Pipe Centering Method for Dual-fuel Ship. This invention was developed by Wang Hualu and Zhang Hua.
The patent application number is CN202511747765 20251126. The patent publication numb..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has published Suixi Hongyuan Coal Chemical Co Ltd patent application for Butt Joint Device for Heat Distribution Pipeline Construction. The invention was developed by Li Weiwei and Liu Jiqiang.
The patent application number is CN202511710325 20251120. The patent pu..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released First Branch Of Tianjin Youfa Steel Pipe Group Co Ltd and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Self-adaptive Positioning Device for Welding Longitudinal Welded Pipe. This invention was developed by Yuan Song, Liu Desheng, Zhu Rulon..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Yangzhou Jixing Machinery has submitted a patent application for Machining and Positioning Device for Steel Structure Welded Pipe. Bai Zhaoxing and Bai Peng developed the invention.
The patent application number is CN202511589873 20251103. The patent publication number is CN121199548 (A). International Patent ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Tangshan University has applied Chinese patent for Clamping and Positioning Device for Butt Welding of Pipes. Wang Wei and Li Haitao developed it.
The patent application number is CN202511543646 20251028. The patent publication number is CN121199545 (A). International Patent Classification codes are B23K37/00,..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- South China Marine Machinery of China State Shipbuilding has filed a patent application for Hydraulic Pipe Mounting Method for Preventing Welding Deformation. This invention was developed by Liu Guisen, Hu Zhide, Pang Changyuan, Mo Rupei and Son Young-woo.
The patent application number is CN202511541743 202510..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Sepcoiii Electric Power Construction has submitted a patent application for Rapid Opening Alignment Auxiliary Device for Boiler Steam Pipeline. This invention was developed by Zhu Changlei, Li Junyi, Luo Honghui, Shi Shengzhen, Wei Chengkai, Kong Lingtao, Jiang Jianlong and Xie Fangming.
The patent application..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has published Hangzhou Ruisheng Semiconductor Tech Co Ltd patent application for Quartz Branch Pipe Welding Jig. The invention was developed by Chen Minjian, Gao Weidong, Ding Ding and Geng Jian.
The patent application number is CN202511343973 20250919. The patent ..
Pipe
| Sat 02 May 2026
Alexandria, May 2 -- Wistron has been granted a patent for Cooling Pipe and Cooling Assembly and Electronic Device Including the Same. Huang Hsien-yi, Li Guang Zong, Chin Chih Lun and Lee Che Hao developed the invention.
The patent application number is US202318310572 20230502. The patent publication number is US12615734 (B2). ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Jiangsu Branch Of CCCC Shanghai Port Eng Company Ltd has applied Chinese patent for Pipeline Inner Wall Grinding Device Suitable for Different Pipe Diameters. Wang Chao, Guo Zhipeng, Liu Peng, Li Daqing, Jiang Xiulei and Xing Yunqiang developed it.
The patent application number is CN202511768574 20251128. Th..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released Beijing Jiaoda Qilin Huitong Tech Co Ltd patent application for Planetary Gear Type Pipeline Inner Circle Grinding Device and Using Method Thereof. This invention was developed by Cai Lin, Lyu Hongbin, Shi Yu, Zhang Huitao, Shan Yuhang, Wang Hao, Zhang Bo..
Pipe
| Fri 01 May 2026
Alexandria, May 2 -- U.S. Patent and Trademark Office has awarded a patent to Chengdu Qinchuan IoT Technology for Method for Smart Gas Pipeline Network Inspection and Internet of Things System Thereof. Shao Zehua, Li Yong and Zhang Lei developed the invention.
The patent application number is US202318153327 20230111. The patent..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Qingdao Dezhen Heavy Industry Group has submitted a patent application for Turning Device for Steel Pipe Pole Production. This invention was developed by Wang Zhen.
The patent application number is CN202511570898 20251030. The patent publication number is CN121199732 (A). International Patent Classification co..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Qinhuangdao Hanfeng Changbai Crystallizer Co Ltd has submitted a patent application for Machining Machine Tool Capable of Conveniently Controlling Curvature of Crystallizer Copper Pipe. This invention was developed by Sun Hongliang, Wang Xingjun, Sun Lei, Liu Chunyan and Wang Xinrong.
The patent application ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released Chuzhou Jingwei Equipment Technology patent application for Metal Pipe Die-free Bending Method and System Based on Three-dimensional Unfolding and Segmented V-shaped Notches. This invention was developed by Xu Dan, Yuan Chenglin, Wang Feng, Xia Hongwei an..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released China Nat Aviation Fuel Co Ltd Dalian Branch patent application for Aviation Fuel Oil Conveying Pipe Moving and Lifting Platform. This invention was developed by Yan Jinde, Cao Xuejun, Yan Shuangde, Han Bing and Li Zexi.
The patent application number i..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Huadian Engineering patent application for Maintenance System for Double Hammers of Pipe Belt Conveyor. Zou Wenbo, Fu Hengye, Zhu Hao, Zhang Zhansheng and Jin Jinjin developed the invention.
The patent application number is CN202511457411 20251013. The p..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Zhongnan Water Engineering has filed a patent application for Dismounting and Mounting Device and Method for Water Transmission and Distribution Pipeline. This invention was developed by Tan Lingwu, Zou Kaizhan, Jing Biao, Luo Longlong and Zhu Zhijun.
The patent application number is CN202511762455 20251127. T..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Suzhou Eulogy Electrical Appliance Co Ltd has applied Chinese patent for Assembly Equipment for Dust Collector Pipeline. Lu Wenliang and Lu Yandi developed it.
The patent application number is CN202511786251 20251201. The patent publication number is CN121199643 (A). International Patent Classification codes..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Henan Sanwu Heavy Ind Co Ltd has filed a patent application for Oil Pipe Hoisting and Stacking Equipment. This invention was developed by Ren Haibo, Tian Wei, Liu Zhongkang and Zhang Shuai.
The patent application number is CN202511346820 20250919. The patent publication number is CN121201983 (A). Internation..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Guangdong Zhaoqing Deton has submitted a patent application for Special Device for Integrated Press Fitting of Stator Assembly and Bearing of Outer Rotor Pipeline Ventilator. This invention was developed by Chen Zijie, Huang Lucai and Lin Jinqiang.
The patent application number is CN202511400971 20250928. The ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has published Ningbo Zhengzhi Tech Co Ltd patent application for Assembling Equipment for Injection Pipe and Furnace Body. The invention was developed by Ma Jieyu and Rong Jianan.
The patent application number is CN202511768107 20251128. The patent publication numb..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has released Guangdong Wijay Material Automation System patent application for Pipeline Mixed Material Pneumatic Conveying Device. This invention was developed by Xu Wen and Chen Jiajun.
The patent application number is CN202511635733 20251110. The patent publicati..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Guangzhou Sango Auto Parts Co Ltd has submitted a patent application for Pipe Fitting Cutting Device. This invention was developed by Chen Yizhao, Zhao Ruzheng, Niu Xinpeng, Feng Honghua and He Dengkuan.
The patent application number is CN202511510162 20251022. The patent publication number is CN121199399 (A..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Tianjin Youfa Dezhong Steel Pipe Co Ltd has submitted a patent application for Laser Cutting Machine for Sizing of Square and Rectangular Pipes and Using Method. This invention was developed by Shen Yongdong, Ding Xiuchen, Yu Shubao, Liu Bin, Gao Hongquan, Chen Tianjin, Du Zhifan, Chen Ziyong, Zhang Haitao, Liu..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Qingdao Shenglangde Stainless Steel Co Ltd has filed a patent application for Traction Equipment for Stainless Steel Pipe Machining. This invention was developed by Sun Bo, Che Jiaming and Yang Guanghui.
The patent application number is CN202511604399 20251105. The patent publication number is CN121201750 (A..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Jiangsu Baiheng Pipe Ind Co Ltd has sought patent for Metal Pipe Production and Processing Cutting Machine Convenient to Position. This invention was developed by Jeong Guk Yeong, Wang Tingting and Yin Xiaoxin.
The patent application number is CN202511579942 20251031. The patent publication number is CN12119..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Hunan Mechanical & Electrical Polytechnic has submitted a patent application for Pipeline Cutting Machine for Pipeline Machining. Tao Dongbo, Li Qin, Yan Zhiyong, He Liuze, Lei Chunjie, Wan Yingying and Cheng Yetong developed the invention.
The patent application number is CN202511477013 20251016. The patent..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Zhangjiagang Hongji Precision Aluminum Technology has sought patent for Micro-channel Aluminum Flat Pipe Cutting Device Suitable for Different Thicknesses. This invention was developed by Fan Zhixian, Xu Bijian, Ma Yi and He Yongyi.
The patent application number is CN202511406257 20250929. The patent publicati..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Shandong Zhengyuan Metrology and Testing Co Ltd has submitted a patent application for Metal Pipe Fitting Cutting Machining Device. Yang Lianfeng, Hou Yunxia, Zhao Yunjian, Zhu Xuefeng and Zhang Yun developed the invention.
The patent application number is CN202511666246 20251114. The patent publication numb..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Sichuan Wanshengtong Ind Co Ltd has filed a patent application for Steel Pipe Multidirectional Drilling Device and Method. This invention was developed by Jiang Tao.
The patent application number is CN202511575172 20251031. The patent publication number is CN121199163 (A). International Patent Classification..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Zhejiang Shuoshi Machinery Co Ltd has filed a patent application for Replacement Method of Scattered Coil Pipe Tray. This invention was developed by Liu Song, Li Qingfeng, Zhao Yousheng, Li Shiping and Zhang Feng.
The patent application number is CN202511427166 20250930. The patent publication number is CN12..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Suzhou City University has submitted a patent application for Fin Machining Device for Heat Pipe Radiator. This invention was developed by Wang Chao, Ding Tao, Liang Zhitao, Li Xudong and Cao Zhimin.
The patent application number is CN202511336653 20250918. The patent publication number is CN121199139 (A). Int..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- China National Heavy Machinery Research Institute has sought patent for Clamping and Feeding Device and Method for Pipe Rod Machining Equipment. This invention was developed by Xie Fan, Ma Haikuan, Ma Hui, Xu Nenghui and Jia Xiang.
The patent application number is CN202511556190 20251029. The patent publicatio..
Pipe
| Sat 02 May 2026
Beijing, May 2 -- Shenzhen Componex Electronics Co Ltd has submitted a patent application for Absorption Device and Multifunctional Hose. This invention was developed by Yan Fan.
The patent application number is CN202511644101 20251111. The patent publication number is CN121196393 (A). International Patent Classification code..
Pipe
| Fri 01 May 2026
Beijing, May 1 -- Foshan Nanhai Hanhong Sewage Treat System Management Co Ltd and Grandblue Environment have submitted a patent application for Self-closing Electric Municipal Pipeline Flap Valve. This invention was developed by He Jintao, Tan Suyun, Chen Lixin, Zhang Zhibo, Liang Guangyao and Chen Hualiu.
The patent applicat..
Pipe
| Fri 01 May 2026
Beijing, May 1 -- Guangdong Liyuan Hydraulic Mach Co Ltd and Guangdong Sibada Heavy Industry Tech Co Ltd have submitted a patent application for Quick Piling Method for Steel Pipe Piles in Wading Area and Underwater Self-locking Piling System. Wei Guobao, Wei Zhijian and Pang Judong developed the invention.
The patent applica..
Pipe
| Fri 01 May 2026
Beijing, May 1 -- China University of Geosciences, Beijing and Xi'an Research Institute of China Coal Technology & Engineering Group have submitted a patent application for Preparation Device and Use Method of Porous Polymer Screen Pipe for Gas Extraction Hole. Zhang Guobiao, Zhang Xiaofang, Wang Chuanliu, Sun Youhong, Ma Shaomi..
Pipe
| Fri 01 May 2026
Beijing, May 1 -- Zhejiang Guangchuan Engineering Consulting and Zhejiang Guangchuan Intelligent Water Operation Man Co Ltd have submitted a patent application for Novel Device for Taking Old Steel Wire in Inverted Drooping Pipe. This invention was developed by Xu Gang, Gao Shang, Dai Chunhua, Xiong Zhifu, Li Hongqiang, Ge Guoch..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Shenzhen Wande Digital Tech Co Ltd patent application for Secondary Ink Box with Ink-cut-off Spring Clamping Block and Ink Clamping Pipe. Zhao Jiang and Zhai Feiyun developed the invention.
The patent application number is CN202511352631 20250922. The ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Shandong Panjin Steel Tube Manufacturing patent application for Full-automatic Casing Pipe Equipment. Yu Hongtao, Wang Baojun, Liu Haijiang, Yuan Ximin and Zhu Peixin developed the invention.
The patent application number is CN202511515454 20251022. The ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Shandong Shengtong Stainless Steel Products has sought patent for Stainless Steel Welded Pipe Laser Welding Device. This invention was developed by Wang Liang and Cao Meng.
The patent application number is CN202511714613 20251121. The patent publication number is CN121199364 (A). International Patent Classific..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Huxi Intelligent Equipment Mfg Suzhou Co Ltd has filed a patent application for Automatic Laser Welding Equipment for Refrigeration Pipeline Machining. This invention was developed by Shen Yan, Shen Zelin, Fu Kaicheng and Ma Xiaoming.
The patent application number is CN202511617759 20251106. The patent publi..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Shandong Hengchi Mining Equipment Tech Co Ltd has submitted a patent application for Anti-blocking Conveying Pipe for Underground Material Filling System. This invention was developed by Jiao Fangshu, Liu Shancong, Liu Guiming, Gong Xuchuan, Zhang Yuehua and Li Xiaorui.
The patent application number is CN202..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Dongguan Xintan Hardware Products Co Ltd has submitted a patent application for Stainless Steel Pipe Welding Device with High Stability and Welding Method Thereof. He Zhu'an developed the invention.
The patent application number is CN202511532335 20251024. The patent publication number is CN121199355 (A). In..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Taiyuan Institute of Architecture Design & Research has submitted a patent application for Plasma Welding Machine Special for Building Fire Fighting Pipeline. Tian Yanhui, Pei Ruilin, Wu Xing and Du Jingwei developed the invention.
The patent application number is CN202511462030 20251014. The patent publicatio..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Sumishige Fuhui Power Machinery has sought patent for Pipe Row Trepanning Equipment and Trepanning Method. This invention was developed by Liang Jie, Wu Xuejun, Huang Jianning, Wei Hairong, Li Qihou and He Jinran.
The patent application number is CN202511580593 20251031. The patent publication number is CN1211..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Shanxi Aerospace Qinghua Equip Co Ltd patent application for High-precision Ventilation Positioning Device of Hydraulic Pipeline Welding Machine and Welding Method. Du Ganghua, Su Huan, Wang Wei, Feng Zhenhua, Zhang Dongdong, Chang Siqi, Ping Aoyu, Yang Z..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Jiangsu Zhenyuan Auto Parts Co Ltd has filed a patent application for Pipe Fitting Conveyor for Gas Spring Production. This invention was developed by Zhu Bing, Huang Dandan and Zhu Ying.
The patent application number is CN202511361713 20250923. The patent publication number is CN121201648 (A). International..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- Shenzhou Baicheng Pipe Ind Co Ltd has applied Chinese patent for Thread Precision Monitoring Method and System for Pipe Fitting Machined by Automatic Threading Machine. Xu Mingkun, Li Yukou, Cheng Bingyang and Liu Zhang developed it.
The patent application number is CN202511720775 20251121. The patent public..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has published Wuhu Sanjiang High Frequency Welded Pipe Co Ltd patent application for Burr Treatment Device for High-frequency Welded Pipe. The invention was developed by Zhang Bo and Li Jiang.
The patent application number is CN202511527799 20251024. The patent pub..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Zhongshan Zhuheng Tech Co Ltd patent application for Vertical Multifunctional Pipe Inner Wall Burr Cleaning Machine. Zhu Jinzhang developed the invention.
The patent application number is CN202511736663 20251125. The patent publication number is CN1211..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- State Intellectual Property Office of China has received Hebei Goshine Pipeline Equipment Mfg Co Ltd patent application for Fixed-length Cutting Device for Steel Pipe Production. Jiang Jincheng, Liu Zhongmin, Li Guobin and Liu Rongpeng developed the invention.
The patent application number is CN202511502803 ..
Pipe
| Fri 01 May 2026
Beijing, May 2 -- China Constr 8th Engineering Division has submitted a patent application for Pipeline Cutting Device and Pipeline Cutting Method. This invention was developed by Shen Qizhen, Li Kaiqiang, Tan Duo, Hua Haoyang, Xu Zihe, Li Yingtao, Lan Yanghua, Zhao Yushui, Li Pengfei, Zhou Weijie, Zuo Renliang and Huo Zerui.
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