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Pipe
| Fri 29 May 2026
Beijing, May 30 -- Tongji University and Shanghai Urban Env Group Co Ltd have submitted a patent application for Sewage Pipe Network External Water Inflow Positioning Method and System Based on Data Driving. This invention was developed by Tao Tao, Wang Siyi, Xin Kunlun, Wang Jiaying, Yan Hexiang, Xiang Chaoyang, Song Yuan, Yuan..
Pipe
| Sat 30 May 2026
Alexandria, May 30 -- Shanghai Kohler Electronics Ltd and Shangha Kohler Electronics Ltd have been granted a patent for Spray Pipe Assembly, a Spray Pipe Device, and a Toilet. This invention was developed by Yang Dong.
The patent application number is US202318236701 20230822. The patent publication number is US12637852 (B2). ..
Pipe
| Fri 29 May 2026
Beijing, May 30 -- Jiangsu Yangtze River Delta Smart Water Res Institute Co Ltd, Xinjiang Western United Digital Ind Development Co Ltd, Zhejiang East United Water Env Co Ltd, Zhejiang Weipu Environmental Tech Co Ltd, Nanjing Weipu Water Eng Co Ltd and Nanjing Weigan IoT Tech Co Ltd have submitted a patent application for Urban ..
Pipe
| Sat 30 May 2026
Beijing, May 30 -- Lanzhou Jiaotong University and Lanzhou Petrochemical Vocational Technology University have submitted a patent application for Heat Transfer Monitoring and Adjusting System and Method for Monitoring State of Double-pipe Heat Exchanger. This invention was developed by Wang Danyang, Song Kewei, Yang Yufei, Sun K..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Sdic Ceramic Based Composite Materials Res Institute Xian Co Ltd and Xi An Golden Mountain Ceram Composites Co Ltd patent application for In-situ Heating and Curing Method and Device for Ceramic Matrix Composite Pipe Fitting. This invention was developed..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Chongqing Anjinhui Auto Parts Co Ltd patent application for Integrated Equipment for Air Pipe Cutting, Glue Winding and Marking. This invention was developed by Chen Jun, Zhang Ke, Chen Mengjun and Luo Guangyu.
The patent application number is CN20251..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Shanghai No. 1 Machine Tool Works Co Ltd patent application for Welding Method for Guide Pipe and U-shaped Clamping Block. This invention was developed by Chen Baohong, Shao Shanjia, Shi Yu, Xuan Yang, Yang Mingli, Yue Xuelai, Chen Rugui, Lian Changwen, ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Norditube Tech AB patent application for Temperature-resistant Structure Sheath for Coating Pipeline. This invention was developed by Pirot Fabrice, Goossens Lucien, Meinerzhagen Loic and Bocher Gregory.
The patent application number is CN20248044497 ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Tianjin Youfa Pipeline Technology and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Wire Feeding Device for Welding Spiral Steel Pipe. This invention was developed by Jiang Jisheng, Han Zhilong, He Guangyu, Gao Zhiling, Li Binggang, Li Xin..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Jiangsu Blue Whale Marine Tech Co Ltd patent application for Hydrodynamic-force-driven Ecological Scrubbing Device for Submarine Pipeline. This invention was developed by Xiong Lijuan.
The patent application number is CN20261016833 20260107. The paten..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Guizhou Zhicheng New Material Tech Co Ltd patent application for Preparation Method of Plastic Pipe for Underground Communication Pipeline. The invention was developed by Wen Caixue, He Zhengkai, Chen An, Shang Jiaoping, Yang Jiayou and Yang Zhaoqin.
..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Weichai Power and Boduan Weifang Power Co Ltd patent application for Automatic Press-fitting Device and Method for Guide Pipe of Engine Cylinder Cover. The invention was developed by Geng Guofang, Wang Xingang, Zhao Qingling, Liu Meihan, Zhang Zhenyu, L..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Ningbo Liqiang Precision Tech Co Ltd patent application for Automobile Supercharger Water Inlet and Return Pipe Assembly Forming Mechanism and Machining Line. The invention was developed by Yan Yan, Bo Kehong, Xu Xianguo, Xu Lei, Lin Zhi and Zhang Gangq..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Chengdu Runbo Tech Co Ltd patent application for Assembly Welding System and Method for Large-diameter Super-long Aluminum Alloy Tunnel Pipe. The invention was developed by Kang Quan, Zhou Mingjun, Zhang Jianguo, Tao Xun, Jiao Jingjun, Jiang Maochun, Zh..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Zhaoqing City Feihong Machinery & Electrical Co Ltd patent application for Pipe Diameter Reducing Machine and Production Method. The invention was developed by Zhu Shaoxiong, Zhong Ruiyun, Zeng Xiangyun, Chen Jierong and Zhu Yongqiang.
The patent app..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Tieling Yingang Rubber Products Co Ltd patent application for Double-air-bag Inflation Plugging Device Capable of Being Operated by Mechanical Arm and Used for Cast Pipe Lining Coating. The invention was developed by Zhang Xiyue and Qi Xiaoqi.
The pa..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Changzhou Vocational Institute of Engineering and Huixiang Intelligent Tech Shanghai Co Ltd patent application for Automatic Cover Opening and Closing Device for EP Pipe. The invention was developed by Shang Guiqin, Liu Jiapeng and Liu Jiaxin.
The pa..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has received The Second Eng Company Of CCCC Fourth Harbor Eng Co Ltd patent application for Sealing Waterproof Construction Method and Waterproof System for Pipe Gallery Joint and Pipe Gallery System. Fang Xiangcong, Li Weiwei, Bi Jinhua, Xu Chengxiang, Lan Yiyong, L..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Zibo Aierma Fire Equipment Co Ltd patent application for Production and Processing Equipment of Galvanized Pipe for Fire-fighting Spraying. Fu Junyao, Liu Wenqiang and Fu Chuangang developed the invention.
The patent application number is CN2025117753..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Tianjin Junxing Pipe Group Co Ltd patent application for Laser Transmission Welding Method for Welding Plastic Pipes and Pipe Fittings. Xia Peicong, Xia Chengwen, Han Liang, Xia Yan, Kong Woo Jin, Zhao Manchao, Zhang Man, Wang Miao and Yang Zhenxing deve..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Jiangsu Fasite Electric Tech Co Ltd patent application for Processing Equipment for Low-temperature-impact-resistant Metal Cable Protection Pipe. Zhu Lun, Zhang Yu and Liu Rongrong developed the invention.
The patent application number is CN2025119426..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Foshan Lyushuiqingyuan Pipe Industry Tech Co Ltd patent application for Connecting Mechanism and Steel Pipe Machining Device. Xia Huamin developed the invention.
The patent application number is CN202511656949 20251113. The patent publication number i..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Hebei Siketai Pipe Ind Co Ltd patent application for Cage Type Sliding Body Shaping Thin-wall Spiral Welded Pipe Machining Equipment. He Binglian, He Taiyu and Jiao Jinpu developed the invention.
The patent application number is CN20251253347 20251231..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received The Second Branch Of Tianjin Youfa Steel Pipe Group Co Ltd and Tianjin Youfa Steel Pipe Group Co Ltd patent application for Guide Conveying Device for Steel Pipe Welding Machining. Guo Weichen, Ye Jianwu, Zhang Wenshuai, Liu Xiaosheng, Guo Libo and Zhou ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Offshore Oil Eng Qingdao Co patent application for Auxiliary Device for Lifting Pump Protection Pipe. Deng Xiangwen, Yu Yuejin, Zhu Chunlin, Chang Xiaolong, Yang Hemin, Deng Xiangwu, Zhang Chongchong, Deng Wenhui, Qin Xueqiang, Sheng Dahui and Wang Pengr..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Henan Xinhuang Hydropower Eng Co Ltd and Zhengzhou University patent application for Ultra-large-diameter Water Conveying Pipeline Mounting System and Method for Soft Foundation. Hu Shaowei, Hu Yuquan, Zhao Yahong and Zhang Haifeng developed the inventio..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Lantu Automotive Tech Co Ltd has sought patent for Engine Air Inlet Pipe and Preparation Method. This invention was developed by Wang Feiyue, Deng Xiang, Bi Shuai, Huang Jin and Chen Yaoyong.
The patent application number is CN202511562060 20251029. The patent publication number is CN121474026 (A). Internat..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Beijing Heli Qidian Tech Co Ltd has sought patent for Sliding Sleeve Type Controllable Aicd Water Control Screen Pipe Device. This invention was developed by Chen Yanhong.
The patent application number is CN20261008004 20260106. The patent publication number is CN121473768 (A). International Patent Classifi..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Jiangsu Sunco Boiler Co Ltd has sought patent for Rapid Preheating Equipment and Method for Boiler Pipeline Before Welding. This invention was developed by Liu Zhenyu, He Jun and Xiao Chao.
The patent application number is CN20251209332 20251229. The patent publication number is CN121463278 (A). Internation..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chongqing Youfeite Tech Co Ltd has sought patent for Process for Preparing Thermal Insulation Pipe with Multiple Flaking. This invention was developed by Wang Qing.
The patent application number is CN202511661143 20251113. The patent publication number is CN121469029 (A). International Patent Classification..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Xinhuifeng Plastic Co Ltd has sought patent for Pe Pipe Extrusion Molding Device and Processing Method. This invention was developed by Xu Hongjun.
The patent application number is CN202511871700 20251212. The patent publication number is CN121468912 (A). International Patent Classification codes ar..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Shanghai Zhengxing Tech Co Ltd has sought patent for Fire-fighting Pipe Connecting Position Inner Wall Grinding Equipment. This invention was developed by Liu Cheng.
The patent application number is CN202511987775 20251226. The patent publication number is CN121468315 (A). International Patent Classificatio..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Zhejiang Xiongdi Pipe Fittings Co Ltd has sought patent for Perforating Device for Pipeline Flange Machining. This invention was developed by Zhang Xiong, Wang Suqin and Zhang Zhaorui.
The patent application number is CN202511895063 20251216. The patent publication number is CN121468275 (A). International P..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Junmo Intelligent Equipment Co Ltd has sought patent for Intelligent Welding Control Method for Pipe Fittings. This invention was developed by Gu Yingying.
The patent application number is CN20251203406 20250917. The patent publication number is CN121467995 (A). International Patent Classification c..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hunan Zhongjian Qipei Tech Co Ltd has sought patent for Automatic Pipeline Welding Device and Installation and Construction Method. This invention was developed by Liang Longlong, Jia Shuyu, Liu Jishen, Li Yushuai, Xu Yongkang, Qin Ya, Zhang Chao, Zhang Qi and Huang Yao.
The patent application number is CN2..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Lianyungang Deyao Machinery Tech Co Ltd has sought patent for Plasma Welding Machine for Steel Pipe Cutting. This invention was developed by Sun Hualiang, Chen Chen, Sun Huayi and Li Houbiao.
The patent application number is CN202511635088 20251110. The patent publication number is CN121467876 (A). Internat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xuzhou Jinda Hardware Tools Mfg Co Ltd has sought patent for Automatic Cutting Device for Blanking of Frame Pipes of Fitness Equipment. This invention was developed by Wang Hanjun, Peng Xiuping and Zhang Xuelian.
The patent application number is CN202511654312 20251112. The patent publication number is CN12..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Liaoning Huaxing Thermoelectric Group Co Ltd has sought patent for Movable Pipeline Punching Equipment. This invention was developed by Dai Liang, Yuan Hailong and Chen Guo.
The patent application number is CN20261012960 20260107. The patent publication number is CN121467767 (A). International Patent Classi..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Longda Super Alloy Co Ltd has sought patent for Short-process Nickel-based Alloy Pipe Production Process. This invention was developed by Li Jindi, Zhu Xueqing, Urakichi, Weng Fanzhen and Pu Yilong.
The patent application number is CN202511727499 20251124. The patent publication number is CN12146750..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Heshan Jinzhou Copper Ind Co Ltd has sought patent for Drawing Machine for Copper Pipe Head Manufacturing. This invention was developed by Huang Hongzhen and Huang Hongliang.
The patent application number is CN20261013778 20260107. The patent publication number is CN121467494 (A). International Patent Class..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Liaoning Fusheng Metal Composite Plate Co Ltd has sought patent for Nickel-based Pipeline Steel Composite Plate Rolling Device. This invention was developed by Wang Yang and Liu Chao.
The patent application number is CN202511812807 20251204. The patent publication number is CN121467485 (A). International Pa..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Shaoxing Seiko Green Building Integrated Systems Ind Co Ltd has applied Chinese patent for Steel Pipe Truss Composite Floor Slab with T-shaped Perforated Rib Plates and Construction Method of Steel Pipe Truss Composite Floor Slab. Zhao Yang, Fu Haitao, Xu Lifeng, Jin Feifei, Xu Yangyang, Shi Zhangjun, Feng Lif..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Chengdu Alang Tech Co Ltd has applied Chinese patent for Steel Pipe Transportation Method and Steel Pipe Transportation Turnover Device. Peng Zhixiang, Li Cong, Yuan Caixia and Xiong Yi developed it.
The patent application number is CN20251256685 20251231. The patent publication number is CN121469692 (A). I..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Yi Zhengqing has applied Chinese patent for Pipe Network Transport Vehicle with Emergency Exit Passageway. Yi Zhengqing developed it.
The patent application number is CN202511645257 20251111. The patent publication number is CN121469641 (A). International Patent Classification codes are B61B13/10, B61D17/00..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Jiangsu Jinguang Motor Tech Co Ltd has applied Chinese patent for Integrated High-trafficability Rear Suspension Bent Pipe Beam Assembly. Pan Jiawei, Nie Xinyuan, Gao Chuanlong and Zhu Rui developed it.
The patent application number is CN202511932086 20251219. The patent publication number is CN121469225 (A..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hunan Shengtong Xinmao Environmental Tech Co Ltd has applied Chinese patent for Composite Pipe Machining and Recycling Device. Wang Jun, Yang Wei, Ye Yan, Li Long and Zheng Junjun developed it.
The patent application number is CN202511960446 20251224. The patent publication number is CN121468714 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hebei Xinuo Pipe Industry Tech Co Ltd has applied Chinese patent for Corrosion-resistant Pipeline Bevel Cutting and Beveling All-in-one Machine. Xu Litao, Wang Xiaoyang and Deng Dianguang developed it.
The patent application number is CN202511760804 20251127. The patent publication number is CN121468191 (A)..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Qingdao Shangyu Environment Tech Co Ltd has applied Chinese patent for Large-diameter Steel Pipe Port Butt Welding Integrated Device. Wang Wei, Wang Leibin, Sui Jing and Xu Zhaowei developed it.
The patent application number is CN20251227875 20251230. The patent publication number is CN121468098 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Runyang Shipping Co Ltd has applied Chinese patent for Ship Pipe Fitting Assembling and Welding Tool. Huang Rongrong and Ge Chunquan developed it.
The patent application number is CN20251211922 20251229. The patent publication number is CN121468092 (A). International Patent Classification codes are ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Wuxi Zhouxiang Laser Machinery Co Ltd has applied Chinese patent for Pipe Cutting Equipment and Control Method Thereof. Xu Dan and Xu Chunping developed it.
The patent application number is CN202511977327 20251225. The patent publication number is CN121467962 (A). International Patent Classification codes a..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Ouruike Intelligent Equipment Co Ltd has applied Chinese patent for Feeding Device of Full-automatic Pipe Cutting Machine. Su Yongsheng developed it.
The patent application number is CN202511652748 20251112. The patent publication number is CN121467788 (A). International Patent Classification codes ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Dehao Heavy Ind Jiangsu Co Ltd has applied Chinese patent for Stainless Steel Pipe Cold Rolling Machining Device. Zhu Liangbiao developed it.
The patent application number is CN202511954542 20251223. The patent publication number is CN121467484 (A). International Patent Classification code is B21B39/02. Coo..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chongqing Chuandong Shock Absorber Mft Co Ltd has applied Chinese patent for Front Fork Pipe Cleaning Device for Motorcycle Shock Absorber. Wang Junfu and Qiu Ling developed it.
The patent application number is CN202511659000 20251113. The patent publication number is CN121467405 (A). International Patent C..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Foshan Huanzda Tech Co Ltd has applied Chinese patent for Automatic Coil Pipe Packaging Method. Qing Shangjun developed it.
The patent application number is CN202511997903 20251228. The patent publication number is CN121469970 (A). International Patent Classification codes are B65B11/04, B65B35/58, B65B41/1..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Dazhong Mining Ind Co Ltd has submitted a patent application for Tunnel Surrounding Rock Water Drainage Pipe. This invention was developed by Yang Xiaolin, Ma Hongwei, Ren Zhizhong, Zhou Jianbo and Liu Haiquan.
The patent application number is CN202511699374 20251119. The patent publication number is CN1214..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Panjin Haochen Tech Development Co Ltd has submitted a patent application for Full-automatic Oil Pipe Warehouse. Lu Huice, Tan Kaili, Liu Bao and Yu Hongchun developed the invention.
The patent application number is CN202410902310 20240706. The patent publication number is CN121473705 (A). International Pat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xiamen Zhuoli Petrochemical Equipment Co Ltd has submitted a patent application for Composite Hose as Well as Preparation Method and Application Thereof. This invention was developed by Chen Mo, Tang An, Wu Yongqi, Ye Hanqiang, Ye Jinse, Lan Zhangyue, Song Enyi and Gao Min.
The patent application number is ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hunan City Plastic Tech Co Ltd has submitted a patent application for Glass Fiber Reinforced Plastic Cable Protection Pipe Production Device. This invention was developed by Tang Jianlin, Zhou Xiaobo, Huang Yafei and Xiong Sulin.
The patent application number is CN20261031534 20260112. The patent publicatio..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Wenzhou United Ai Automation Tech Co Ltd has submitted a patent application for Full-automatic Fluorine Lining Equipment for Valve Elbow Fluorine Pipe. This invention was developed by Zhang Hesheng, Wang Zexiong, Xu Shihao and Tang Wenrong.
The patent application number is CN20261009108 20260106. The patent..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Xiangshan Best Machinery Mfg Co Ltd has submitted a patent application for Plastic Pipe Shaping Machine Head Structure. Luo Weilin, Chen Yonggen and Huang Youmin developed the invention.
The patent application number is CN20261018020 20260108. The patent publication number is CN121468934 (A). International ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Shizuishan Plastic Factory has submitted a patent application for Large-size PE Pipe Extrusion Production Device and Cooling Method. This invention was developed by Liu Songtao, Zhang Tong, Zhou Zhanrong, Liu Jun, Wang Huili, Qi Peijie and Jing Jihong.
The patent application number is CN202511829101 2025120..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Liu Xiaoge has submitted a patent application for Foldable and Movable Sprinkling Irrigation Branch Pipe Support. This invention was developed by Liu Xiaoge, Wang Xiaolei and Luo Mingda.
The patent application number is CN202511792339 20251201. The patent publication number is CN121464903 (A). International..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Raumedic AG has submitted a patent application for Method and Device for Connecting Two Pipe Segments and Pipe Assembly Connected Using the Method. This invention was developed by Prescher Jorg.
The patent application number is CN20248043364 20240612. The patent publication number is CN121464028 (A). Intern..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Yada Pipeline Sys Co Ltd has submitted a patent application for Anti-fouling Cleaning Device and Method for Interior of High-vacuum Heat-insulation Double-wall Pipe. Lu Ningbo, Zhao Junwei, Wu Yanqun and Xu Yaowei developed the invention.
The patent application number is CN202311161608 20230911. The patent ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Deqing Ruisheng Metal Products Co Ltd has submitted a patent application for Steel Pipe Inner Hole Grinding Device and Grinding Method. This invention was developed by Chen Xingyou.
The patent application number is CN202511864913 20251211. The patent publication number is CN121468316 (A). International Pate..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Guizhou Hangrui Aviation Prec Parts Manufacturing Co Ltd has submitted a patent application for Fixture for Drilling Hexagonal Pipe Joint. This invention was developed by Wang Daoyi, Zeng Xianjun and Yu Lu.
The patent application number is CN202511909785 20251217. The patent publication number is CN12146824..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Zhejiang Ailuwei Fluid Tech Co Ltd has submitted a patent application for Positioning and Manufacturing Tool for Corrugated Pipe Stop Valve. Feng Fenglei, Lin Fengfan, Li Chongming and Lu Chunfei developed the invention.
The patent application number is CN202511874685 20251212. The patent publication number..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Dezhou Shifoundation Eng Co Ltd has submitted a patent application for Welding Mechanism for Foundation Pit Pipe Pile Splicing Construction. This invention was developed by Xu Tao, Li Na and Lee Jiyoung.
The patent application number is CN20261014012 20260107. The patent publication number is CN121468031 (A..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Kunshan Limahe Automation Science & Tech Co Ltd has submitted a patent application for Welding Device for Intersecting Line of Pipe Fitting and Welding Method of Welding Device. This invention was developed by Li Jian'an.
The patent application number is CN202511989501 20251226. The patent publication numbe..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Youfa Steel Pipe Co Ltd has submitted a patent application for Dynamic Heat Input Adjustment and Deformation Compensation System for High-frequency Welded Pipe. This invention was developed by Gao Liangliang, Wang Jianlong, Cao Haiming and Liu Sheng.
The patent application number is CN20261013018 20..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jianhu Dali Hydraulic Machinery Co Ltd has submitted a patent application for Hydraulic Pipe Joint Inner Diameter Machining Equipment. This invention was developed by Gao Jun, Gao Dengshan, Zeng Chao and Shang Guohui.
The patent application number is CN202511846265 20251209. The patent publication number is..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Yinuo Electric Power Equipment Co Ltd has submitted a patent application for Cutting Device for Metal Cable Pipeline Production. This invention was developed by Lee In-young.
The patent application number is CN202511712658 20251120. The patent publication number is CN121467790 (A). International Pat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Ningbo Andatong Vehicle Parts Co Ltd has submitted a patent application for Bending Device for Automobile Pipe Joint Machining. This invention was developed by Xu Zhengjiang, Chen Congxin and Yang Chengjin.
The patent application number is CN202511990653 20251226. The patent publication number is CN12146757..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Tianjin Shengyi Tech Development Co Ltd has submitted a patent application for Steel Pipe Necking Machining Device and Method. Guo Hao, Guo Jing and Huo Baofeng developed the invention.
The patent application number is CN202511797264 20251202. The patent publication number is CN121467563 (A). International ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Guangzhou Yinggute Intelligent Equipment Co Ltd has submitted a patent application for Pipe Carrying Mechanism and Pipe Punching Machine. This invention was developed by Mo Ciying and Mo Haokai.
The patent application number is CN202511712823 20251120. The patent publication number is CN121467544 (A). Inter..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Anhui Zhiyue Tech Co Ltd has submitted a patent application for Magnetic Type Ball Wheel Pipeline Rust Removal Robot. This invention was developed by Wang Dakun, Ruan Xueyun, Wang Le, Wang Hongfei, Jiang Pengsheng, Bo Zhiguo, Tang Zixiang, Xie Zhen, Lei Defeng and Yu Yanqing.
The patent application number i..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jiangsu Sunco Boiler Co Ltd has submitted a patent application for Equipment and Method for Removing Welding Slag of Boiler Pipeline with Closed End. This invention was developed by Luo Hui, Gu Haihong and Lu Shunyan.
The patent application number is CN20251235561 20251231. The patent publication number is ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Huaneng Huajialing Wind Power Generation Co Ltd has submitted a patent application for Cleaning Robot Suitable for Circular Pipeline. Liu Qiqi, Zhang Zheng, Gao Weijie, Xu Yilian and Chen He developed the invention.
The patent application number is CN202511544198 20251028. The patent publication number is C..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Jian Songxuan has submitted a patent application for Roller Device Facilitating Movement of Fire Hose.
The patent application number is CN202511602225 20251104. The patent publication number is CN121466550 (A). International Patent Classification codes are A62C33/00, A62C33/04 and A62C33/06. Cooperative Pa..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Henan Beifang Longyuan Electric Power Dev Co Ltd has submitted a patent application for Air Lock Air Curtain for Closing Smoke and Fire in Pipeline. Zhang Zhao developed the invention.
The patent application number is CN202511961221 20251224. The patent publication number is CN121466534 (A). International P..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Chen Chengtong has submitted a patent application for Boosting Type Water Hose Collecting and Arranging Device. This invention was developed by Chen Chengtong.
The patent application number is CN202511900308 20251216. The patent publication number is CN121470245 (A). International Patent Classification code..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Siemens Ltd, China patent application for Cleaning Method and Cleaning Device for Material Pipeline, Conveying System and Storage Medium. He Xinkai and Liu Xin developed the invention.
The patent application number is CN202511508972 20251021. The pate..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published China MCC5 Group Corporation patent application for Underground Pipe Network Self-repairing Coating Material Based on Microcapsule Technology and Preparation Method and Construction Method Thereof. The invention was developed by Li Wei, Xia Tian, Gong F..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Zhejiang Youxu Technology patent application for Connecting Device and Connecting Process for Flexible Pipes. Zheng Shihong, Zhao Yunpeng and Mao Xinbo developed the invention.
The patent application number is CN202311131615 20230904. The patent publica..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- CNOOC Energy Development Equipment Technology has submitted a patent application for Self-centering Double-floating Type Clamping Jaw System Special for Pipe Machining. This invention was developed by Wang Peng, Shen Guohua, Yasunaka Nozomi, Jing Wansheng, Huang Gang, Yuan Hao, Liu Xin, Wang Yongsheng, Wang Yu..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Shaanxi Youfa Steel Pipe patent application for Welded Pipe Scar Scraping Device and Method Based on Multi-sensor Fusion. The invention was developed by Ci Xiang, Jin Bojun, Feng Wei, Jia Dacheng, Li Jun and He Hui.
The patent application number is CN2..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Foshan Huibaisheng Laser Technology has applied Chinese patent for Heavy Groove Pipe Cutting Machine with Automatic Feeding and Discharging Functions. Liang Jiandong, Huang Sixin, Yang Hongjie, Yan Junyi, Zheng Changji, Ye Xiuta, Lian Zhenda, Luo Yongjie, Lin Zhe, Su Weishun, Xu Ming and Liao Guxiang developed..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Liansu Technology Development Guiyang patent application for PPR Composite Material, PPR Water Supply Pipe Fitting and Preparation Method of PPR Water Supply Pipe Fitting. Luo Xifeng, Huang Hai, Zu Tao, Song Hui, Wei Min, Fu Xingxing and Zhong Jincheng d..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published AECC Changjiang Engine patent application for Preparation Method of Double-layer Metal Sealing Connecting Pipe. The invention was developed by Yuan Hongbin, Jiang Xing, Gan Rundong, Yang Lidong and Zhang Yingyuan.
The patent application number is CN202..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Taiyuan University of Technology has submitted a patent application for Method for Preparing Carbon Steel/stainless Steel Composite Pipe Through Gap Assembly Skew Rolling. This invention was developed by Fu Lun, Ma Yishun, Yi Jiaxin, Ding Qingshan and Wang Tao.
The patent application number is CN202511583485 ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has published Xian Aircraft Design Institute Aviation Industry Corporation China patent application for Flexible Refueling Hose Capable of Preventing Whip Swinging. The invention was developed by Zhao Dongqiang, Wang Bin, Du Peng, Sun Renjun, Zhang Qiang, Chen Cong a..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Beijing Gaojing Xinte Medical Equipment has filed a patent application for Flow Guide Pipe. This invention was developed by Wang Xiran, Sun Yinghao and Yang Zhongsheng.
The patent application number is CN202311141362 20230905. The patent publication number is CN121466456 (A). International Patent Classificati..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Second Affiliated Hospital of Shaanxi University of Chinese Medicine has filed a patent application for Temperature Control Method and System for Removing Condensation of Breathing Machine Pipeline. This invention was developed by Wang Juan, Gou Dangwei, Sun Xude, Yan Hui and Yang Guoqing.
The patent applicat..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- MCC Tiangong has sought patent for Auxiliary Mounting Device for Fire-fighting Pipeline and Use Method of Auxiliary Mounting Device. This invention was developed by Lin Weibin, Lu Xiaoyu, Fu Jiaqing, Wang Xianjun, Gao Youwei, Gao Peiyang, Yin Weihang, Fan Zewei, Wang Xinyu and Qi Tian.
The patent application ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Zhongqing Construction patent application for Reinforced Concrete Drainage Pipeline Hoisting Tool and Mounting Method. This invention was developed by Zhang Hongquan, Cheng Xueying, Gao Yuan, Yuan Xing, Zhang Hongyu, Zhao Tianhao and Xia Mengmeng.
The p..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Hangzhou Dianzi University has filed a patent application for Gravity Array Recovery Device and Method for Empty Pipes. This invention was developed by Ding Ning, Ju Mengyang, Yan Yong and Dong Jianhui.
The patent application number is CN20251235480 20251231. The patent publication number is CN121470160 (A). ..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- Beijing Institute of Astronautical Systems Engineering has submitted a patent application for Integrally-formed Double-layer Spray Pipe Structure Suitable for Supercritical Fluid. This invention was developed by Zhao Shibo, Li Hui, Zhao Dongwei, Wang Ziyue, Shen Wenpeng, He Qilin, Zhou Guanyu, Zheng Maoqi, Lia..
Pipe
| Sun 31 May 2026
Beijing, June 1 -- State Intellectual Property Office of China has received Institute of Engineering Thermophysics, Chinese Academy of Sciences patent application for Special-shaped High-temperature Heat Pipe Type Heat Dredging Protection Device and Manufacturing Method Thereof. Yuan Dazhong developed the invention.
The patent ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- State Intellectual Property Office of China has released Beijing Construction Engineering Group patent application for Light Guide Pipe System Fixing and Mounting Structure and Construction Method Thereof. This invention was developed by Guo Hutao, Lu Bin, Wang Xukun, Wang Wei, Ren Hongying, Liu Ke, Han Jinyu ..
Pipe
| Mon 01 Jun 2026
Beijing, June 1 -- Guangdong Jian'an Changsheng Holding Group has applied Chinese patent for Different-strength Concrete Separation Pouring Method for Beam-column Joints of Pipeline Engineering Building. Zhao Yonglong, Cai Qing, Chen Shuai, Huang Hongwu and Ding Leilei developed it.
The patent application number is CN2026100351..
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