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Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has received Shanghai Municipal Engineering Design Institute Group patent application for Lateral Connection Structure and Method for Branch Pipe of Drainage Shield Main Pipe. Sui Tao, Xu Zhen, Cao Zhijie, Sun Shimin, He Senlin, Xu Jian, Su Zhiyuan, Jin Xiaokai, Xu ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Yangzhou Hongxin Circuit Apparatus Co Ltd has obtained a patent for external-pressure-resistant MPP power cable protection pipe. This invention was developed by Wang Qizhen, Jiang Xuezhong and Xu Ronglin.
The patent application number is CN20242246874U 20240822. The patent publication number is CN223206751..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Yangzhou Hongxin Circuit Apparatus Co Ltd has been awarded a patent for Mpp Power Cable Protection Pipe for Cables with Different Lengths. This invention was developed by Wang Qizhen, Jiang Xuezhong and Xu Ronglin.
The patent application number is CN20242224846U 20240821. The patent publication number is C..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangdong Qinglong Pipes Ind Co Ltd has been awarded a patent for Concrete Pipe Jacking Reinforcement Cage Machining Device. This invention was developed by Zhao Gang, Li Ning, Dong Tingneng, Yang Wanhong, Shang Rui and Dai Wenshuang.
The patent application number is CN202422513644U 20241017. The patent pu..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Xi'an Huazheng Construction Eng Co Ltd for Underground Pipe Gallery Cable Rack. Wang Honghui developed the invention.
The patent application number is CN202421677209U 20240716. The patent publication number is CN223206744 (U). Internationa..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Hengyang Chuanzhi Eng Co Ltd for Reinforcing Steel Bar Welding Auxiliary Device for Cement Pipe Pile Machining. Huang Mingyi and Zhang Wei developed the invention.
The patent application number is CN202422473078U 20241014. The patent publi..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Dongguan Qimei Hardware Machinery Co Ltd has obtained a patent for pneumatic pipe stripping machine for copper bar production. This invention was developed by Yang Xueli.
The patent application number is CN202422370010U 20240927. The patent publication number is CN223206724 (U). International Patent Classi..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Wuxi Changsheng Electric Power Construction Co Ltd has been granted a patent for Pre-embedded Line Pipe Sleeve Net Protection Support. This invention was developed by Hu Jiefang, Shi Caihua, Xu Zhenchun and Bao Chun.
The patent application number is CN202421870565U 20240805. The patent publication number i..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Changshu Guoqiang Hemao Tubing Co Ltd has received a patent for Adjustable Single-head Aluminum Pipe Spinning Machine. This invention was developed by Cheng Xingrong and Zhu Min.
The patent application number is CN202422282991U 20240919. The patent publication number is CN223197906 (U). International Paten..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Suzhou Walpole Machinery Co Ltd has been awarded a patent for Bidirectional Inner Supporting Clamp Based on Pipe Fitting Transfer. This invention was developed by Ma Xiang and Yu Liguo.
The patent application number is CN202422180088U 20240905. The patent publication number is CN223197905 (U). Internationa..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Sichuan Chucheng Tech Co Ltd has been awarded a patent for Pipe Contracting Machine with Uniform Stress. This invention was developed by Hu Zhipei, An Xinhua and Liu Yongqi.
The patent application number is CN202421429071U 20240621. The patent publication number is CN223197904 (U). International Patent Cla..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chen Weidong has applied Chinese patent for Gas Reservoir Production Oil Pipe and Underground Throttling Design Simulator.
The patent application number is CN202411905947 20241223. The patent publication number is CN119830801 (A). International Patent Classification codes are E21B37/06, E21B43/12, G06F30/..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Nanjing Huajian Testing Tech Co Ltd has secured a patent on Device for Rapidly Detecting Air Leakage of Air Pipe. Wang Xinbing, Li Chengyi, Qin Yiyao, Jiang Tao and Wang Yansong developed the invention.
The patent application number is CN202422578858U 20241024. The patent publication number is CN223205090 ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Xinjiang Haoan Intelligent Tech Co Ltd has received a patent for Airtightness Detection Equipment for Fire-fighting Pipeline. This invention was developed by Du Jianwei, Cheng Linqiang, Yang Weiwei, Zhao Wenwen and Wei Ting.
The patent application number is CN202521418244U 20250708. The patent publication ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Ningbo Anbang Pipe Co Ltd has been awarded a patent for Air Tightness Detection Device for Ultra-long and Ultra-soft Stainless Steel Corrugated Pipe. This invention was developed by Yu Yuehui and Ye Baohua.
The patent application number is CN202422584157U 20241025. The patent publication number is CN223205..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- R&D Tech Suzhou Co Ltd has been granted a patent for Combined Hub Pressure Test Device for Subsea Pipeline. This invention was developed by Wang Haicong.
The patent application number is CN202422407963U 20241008. The patent publication number is CN223205057 (U). International Patent Classification code is ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Hebei Jianhuan Energy Tech Co Ltd for Portable Water Supply Pipe Flow Monitoring Equipment. Wang Fengyin, Zhi Weilong, Zhang Xiaozhuan and Zhi Zhi developed the invention.
The patent application number is CN202422254237U 20240914. The pate..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Dongtai Fengtai Special King Tube Piece Co Ltd has secured a patent on Temperature and Pressure Measuring Pipeline with Monitoring Function. Wang Yongfeng developed the invention.
The patent application number is CN202422586352U 20241025. The patent publication number is CN223204958 (U). International Pate..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Tianjin Fangzheng Testing Tech Co Ltd has been awarded a patent for Pressure Pipeline Detection Device. This invention was developed by Wang Jianbo, Gao Lu, Pang Changying, Li Guang and Song Hongtai.
The patent application number is CN202422583528U 20241025. The patent publication number is CN223204940 (U)..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Shenzhen Ouxintai Tech Co Ltd has obtained a patent for municipal pipeline settlement detection device. This invention was developed by You Xiongliang, Tian Ran, Shao Man and Huang Runquan.
The patent application number is CN202422432150U 20241009. The patent publication number is CN223204911 (U). Internat..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Yuanfang Ind Tianjin Co Ltd has obtained a patent for steel pipe inner wall radian measuring device. This invention was developed by Ren Zhenghao.
The patent application number is CN202422377531U 20240929. The patent publication number is CN223204906 (U). International Patent Classification codes are B25B1..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- No. 3 Eng Co Ltd of CCCC Third Harbor Eng Co Ltd has submitted a patent application for Triangular Foldable Steel Pipe Scaffold Vertical Rod Vertical Installation Auxiliary Device. This invention was developed by Wang Zheng, Yang Peng, Huang Zao, Niu Qiang, Wang Yongliang and Lei Yanrui.
The patent applica..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has released Rencheng Construction Co Ltd patent application for Anti-siltation Blow-off Pipe for Municipal Engineering. This invention was developed by Hua Zhangjun, Ye Shifang, Pan Juwen, Xie Xinxin and Yue Jianbin.
The patent application number is CN2025105411..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Qitai County Jinqi Guotou Construction Eng Co Ltd has submitted a patent application for Building Drainage Pipe Network Structure with Self-cleaning Function. This invention was developed by Xie Peng, Liu Jing and Lyu Wen.
The patent application number is CN202510168029 20250217. The patent publication num..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Tianjin Hongyao New Energy Tech Co Ltd has received a patent for Rapid Arc Cutting Device for Metal Pipe Fitting. This invention was developed by Gao Jie and Gao Hongliang.
The patent application number is CN202422500483U 20241016. The patent publication number is CN223198182 (U). International Patent Clas..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Steel Pipe Machining Saw Cutting Treatment Equipment has been issued to Tianjin Yinghai Ind Co Ltd. This invention was developed by Yu Changhai.
The patent application number is CN202422478500U 20241014. The patent publication number is CN223198167 (U). International Patent Classificatio..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Shandong Huahe Pipe Ind Co Ltd for Cutting Device for Pipe Fitting Machining. Yang Chen, He Youxing and Zheng Chuanjing developed the invention.
The patent application number is CN202421806019U 20240729. The patent publication number is CN..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Jiangsu Qinfeng Pipe Ind Co Ltd has secured a patent on Fixing Device for Processing Steel-plastic Composite Pipe. Dong Xiaofeng, Zhu Yongming and Shen Jian developed the invention.
The patent application number is CN202422253913U 20240914. The patent publication number is CN223198144 (U). International Pa..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Suzhou Taibolun Machinery Co Ltd for Metal Pipe Cutting Device Capable of Avoiding Burrs. Shi Zhen and Zhao Tao developed the invention.
The patent application number is CN202422797998U 20241118. The patent publication number is CN22319813..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Tianjin City Huodacheng Steel Pipe Co Ltd has received a patent for Steel Pipe Cutting Machine with Rapid Positioning Function. This invention was developed by Gao Guofeng.
The patent application number is CN202422327779U 20240924. The patent publication number is CN223198135 (U). International Patent Clas..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Xinchang County Yanyuan Heat Exchanger Co Ltd has been granted a patent for Pressing Wheel Type Positioning Machining Device for Corrugated Pipe Machining. Yuan Xia and Shen Chengjun developed the invention.
The patent application number is CN202421716343U 20240719. The patent publication number is CN22319..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Flattening Jig for Heat Conduction Copper Pipe has been issued to Dongguan Meipai Thermal Tech Co Ltd. This invention was developed by Pan Shiwen.
The patent application number is CN202422381049U 20240929. The patent publication number is CN223197841 (U). International Patent Classificat..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Stainless Steel Pipe Groove Rolling Machine has been issued to Jiangsu Yongshang Pipe Mft Co Ltd. This invention was developed by Shen Yanglin and Shen Pengcheng.
The patent application number is CN202422444139U 20241010. The patent publication number is CN223197825 (U). International Pa..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangdong Jianying Municipal Eng Co Ltd has been granted a patent for Groove Pressing Machine for Pipe Jacking Engineering. Zeng Hui and Zhao Wansheng developed the invention.
The patent application number is CN202422411285U 20241008. The patent publication number is CN223197824 (U). International Patent C..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Xi'an Orient Material Tech Co Ltd for Different-plane-angle Auxiliary Forming Tool for Aircraft Waste Water and Grey Water Pipeline. Duan Huanhuan and Geng Jinhong developed the invention.
The patent application number is CN202422378872U 2..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Dou Yongqi has been awarded a patent for Petroleum and Natural Gas Pipeline Detection Device. This invention was developed by Dou Yongqi, Huang Yu, Chen Hongyuan, Yang Xuhui and Hong Yibin.
The patent application number is CN202422373441U 20240928. The patent publication number is CN223205289 (U). Internat..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Yichang Huaxing Chemical Equipment Testing Co Ltd has secured a patent on Chemical Pipeline Pressure Detection Equipment. Xu Zhigao, Zhao Jie, Peng Danliu, Lu Xiaocong and Zheng Haiqing developed the invention.
The patent application number is CN202422268372U 20240914. The patent publication number is CN22..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Shandong Xiangyuan Plastic Co Ltd for PVC Steel Wire Reinforced Hose Compression Resistance Testing Device. Zhao Jianglei developed the invention.
The patent application number is CN202421738620U 20240722. The patent publication number is ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Jnflex Changzhou Co Ltd for Strength Detection Device for Stainless Steel Corrugated Pipe Production. Wu Yiqun and Wu Hongping developed the invention.
The patent application number is CN202422375194U 20240929. The patent publication numbe..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Zhejiang Tongxu Construction Group Co Ltd has secured a patent on Plug Device for Closed Water Test of Sewage Pipeline. Lu Xiao, Zhu Jianxin, Shang Yudi, Chen Xianzhong, Zhong Yunhui and Xu Shanying developed the invention.
The patent application number is CN202422352963U 20240926. The patent publication n..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Corrugated Pipe Compressive Strength Detection Device has been issued to Jnflex Changzhou Co Ltd. This invention was developed by Wu Yiqun and Wu Hongping.
The patent application number is CN202422324077U 20240924. The patent publication number is CN223205244 (U). International Patent Cl..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Beijing Anbida Tech Co Ltd has been awarded a patent for Array Eddy Current Scanning Device for Small Connecting Pipe Body Wall Thickness Reduction Detection. This invention was developed by Wan Peihang, Han Qiutao and Ai Bo.
The patent application number is CN202422511657U 20241017. The patent publication..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Yichang Huaxing Chemical Equipment Testing Co Ltd has secured a patent on Chemical Pipeline Outer Wall Detection Device. Zhao Jie, Peng Danliu, Xu Zhigao, Chen Jianglin and You Xuan developed the invention.
The patent application number is CN202422280268U 20240918. The patent publication number is CN223204..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has published Changzhou Prefluid Tech Co Ltd patent application for Peristaltic Pump Capable of Automatically Loading and Unloading Pipe. The invention was developed by Chu Jiangbo.
The patent application number is CN202411971470 20241230. The patent publication ..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Urumqi Jujiafeng Decoration Mat Co Ltd has sought patent for Multi-stage Pipeline Wind Power Generation Device. This invention was developed by Wang Youhong, Wang Youwu, Xu Xiangjie and Chen Yuanfeng.
The patent application number is CN202510259910 20250306. The patent publication number is CN119825629 (A)..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Guangxi Navigation Construction Eng Co Ltd has sought patent for Underwater Steel Pipe Pile Construction Method of Deepwater Bare Rock Shipborne Punching Machine. This invention was developed by Liang Jian, Rao Kunrong, Ok Jin-hyo, He Yuling, Wei Quan, Pan Fuyuan, Liao Runfa, Wang Lu, Lan Yi, Lin Zhuguo, Huan..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has received Zhejiang Shirun Jianchuang Tech Development Co Ltd patent application for Offshore Wind Turbine Pipe Pile Section Increasing-solidified Soil Scouring Protection Structure and Construction Method. Wang Xinquan, Hong Dongping and Li Fanfan developed the i..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Zhejiang Bili Tools Co Ltd has been granted a patent for Pipe Cutter with Quickly Detachable Blade. Fu Mingjie developed the invention.
The patent application number is CN202422514528U 20241017. The patent publication number is CN223199072 (U). International Patent Classification code is B26B17/00.
The..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangzhou Zhiyu Power Tech Engineering Co Ltd has been granted a patent for Hot-dip Galvanized Pipe Threading Structure. This invention was developed by Yang Qinghan and Su Yamei.
The patent application number is CN202422402579U 20240930. The patent publication number is CN223206779 (U). International Pate..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has released Wuhan Zhibo Chuangxiang Tech Co Ltd patent application for Ai-based CAD Pipe Network Data Vector Conversion Method, Medium and Equipment. This invention was developed by Zhang Fayong, Liu Duanqiang, Li Caixian, Wang Qixian, Zhao Weibo, Cai Qing and Zeng..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangdong Sophon Intelligent Technology Co Ltd has submitted a patent application for Negative Pressure Pneumatic Conveying Pipeline Structure Optimization Method and Negative Pressure Pneumatic Conveying System. This invention was developed by Wu Guang, Huang Yumin, Gao Xiaoyun and Duan Zhen.
The patent a..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Dacheng Luqiang Machinery Equipment Co Ltd has obtained a patent for dust removal device for pipe coiling machine. This invention was developed by Lu Wentao, Li Ping, Lu Jiaming and Li Mingxuan.
The patent application number is CN202422319713U 20240923. The patent publication number is CN223197559 (U). Int..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Wuhan Haier Water Heater Co Ltd, Qingdao Economic & Technology Development Zone Haier Water Heater and Haier Smart Home for Pipe Fitting Combination and Water Heater. Tian Jingkun, Du Fanglin and Zhao Xiaoyong developed the invention.
The ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Wuhan Guxingtai Energy Saving Tech Co Ltd has obtained a patent for flow channel accelerating device of fireproof air pipe. This invention was developed by Zhang Zhenghua and Ruan Haijun.
The patent application number is CN202422488986U 20241014. The patent publication number is CN223204495 (U). Internatio..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Hangzhou Shengbing Energy Saving Tech Co Ltd has obtained a patent for direct evaporation type ice storage coil pipe structure and ice storage device. This invention was developed by Dong Xingjie and Zhou Xiaoling.
The patent application number is CN202422434655U 20241009. The patent publication number is ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has received Shanghai Weihong Electronic Tech Co Ltd and Shanghai Weihong Intelligent Tech Co Ltd patent application for Method, Device, Processor and Computer Readable Storage Medium for Recognizing Pipe Tool Path Groove Machining Treatment in Numerical Control Sys..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- University Huanggang Normal has submitted a patent application for Pipe Cleaning Detergent Capable of Removing Red Rust. Hu Xiaoxing developed the invention.
The patent application number is CN20251014770 20250106. The patent publication number is CN119823829 (A). International Patent Classification codes ..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Braun Beijing Intelligent Equipment Co Ltd has sought patent for Automatic Welding Identification and Repair Method and System for Pipeline Crevasse, Medium and Terminal. This invention was developed by Sun Zhilong.
The patent application number is CN202510107237 20250123. The patent publication number is ..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Huzhou Municipal Eng Co Ltd for Municipal Water Supply and Drainage Construction Pipeline Butt Joint Equipment. Xu Jing, Xie Senjie, Pei Changguo and Shen Jian developed the invention.
The patent application number is CN202422536789U 20241..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Wuhan Aoxin Bend Arc Tech Co Ltd for Automatic Steel Pipe Bending Device. Sun Lijun developed the invention.
The patent application number is CN202422144392U 20240902. The patent publication number is CN223197816 (U). International Patent ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Ningbo Fenghua Tianhui Refrigeration Parts Co Ltd has been awarded a patent for Copper Pipe Bending Equipment. This invention was developed by Fan Yihong.
The patent application number is CN202422369075U 20240926. The patent publication number is CN223197813 (U). International Patent Classification codes a..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Changxing Group Co Ltd has been granted a patent for Air Conditioner Pipeline Bending Tool. Shi Zhongshui developed the invention.
The patent application number is CN202422360349U 20240927. The patent publication number is CN223197812 (U). International Patent Classification codes are B21D45/02 and B21D7/0..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Jiangsu Dasong Machinery Co Ltd has been granted a patent for Pipe Bending Machine with Adjustable Clamping Structure. This invention was developed by Guo Junchao, Chen Jian, Huang Jiayu and Ni Shouhua.
The patent application number is CN202421669123U 20240715. The patent publication number is CN223197810 ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Longkou Longpeng Prec Copper Pipe Co Ltd for Automatic Pointing Device for Rolled Pipe. Dai Jiwei, Wang Zhengtang, Xie Fusheng, Wang Yi, Ding Zhihao, Lyu Duanshuai and Rong Xiangchao developed the invention.
The patent application number i..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Foshan City Nanhai Distr Richu Hardware Steel Pipe Co Ltd has been granted a patent for Clamping Device on Steel Pipe Rolling Device. Qiao Wenhao developed the invention.
The patent application number is CN202422510212U 20241017. The patent publication number is CN223197751 (U). International Patent Classi..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Skid-mounted Straight Pipe Type Sleeve Hydrogen Heat Exchanger has been issued to Foshan Institute of Inspection Guangdong Institute of Special Equipment Inspection, Hainan Inspection and Testing Institute and South China University of Technology. This invention was developed by Deng Bo, Yu..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has released Kunshan Kaiqiyue Electronic Tech Co Ltd patent application for Heat Pipe Radiator with Metal Phase Change Heat Absorption and Conduction Functions. This invention was developed by Si Lianyi.
The patent application number is CN202411913031 20241224. T..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Steam Generating Pipeline of Steam Generator has been issued to Deqing Dewo Thermal Energy Tech Co Ltd. This invention was developed by Zhang Hui and Zhang Xuetao.
The patent application number is CN202422891305U 20241126. The patent publication number is CN223204320 (U). International P..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has published Hunan Foersheng Intelligent Tech Co Ltd patent application for Gas Shunting Pipeline Assembly of Textile Machinery. The invention was developed by Hu Wenhua, Sun Bo and Xiao Gaojie.
The patent application number is CN202510299913 20250314. The paten..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has released Tianjin Juxing Preservative Detecting Eng Co Ltd patent application for Temperature-resistant Adhesive for Reinforcing and Repairing Steel Pipeline as Well as Preparation Method and Application of Temperature-resistant Adhesive. This invention was devel..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Jinan Liangsheng Decoration Eng Co Ltd for Water Pipe Cutting Opening Grinding Mechanism for Indoor Decoration. Jiang Wei developed the invention.
The patent application number is CN202421414477U 20240619. The patent publication number is ..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Jiaxing Nanyi Pipeline Ind Co Ltd has obtained a patent for pvc pipe fitting sprue trimming equipment. This invention was developed by Liu Ajian, Kang Shukuan, Dai Xuechun, Tu Jiatao and Tang Jiawei.
The patent application number is CN202422494313U 20241015. The patent publication number is CN223198740 (U)..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Wuxi Shenbao Autocar Steel Tube Co Ltd has received a patent for Welding Device for Pipe Fitting Machining. This invention was developed by Tang Jianjun.
The patent application number is CN202422345715U 20240925. The patent publication number is CN223198723 (U). International Patent Classification codes ar..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Polishing Device for Machining Inner Ring of Steel Pipe has been issued to Wuxi Shida Prec Welded Tube Manufacturing Co Ltd. This invention was developed by Zhang Cheng.
The patent application number is CN202422499590U 20241016. The patent publication number is CN223198688 (U). Internati..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Yuanfang Ind Tianjin Co Ltd has been granted a patent for Rapid Polishing Device for Outer Wall of Pipe Fitting. Huang Guangshun developed the invention.
The patent application number is CN202422743527U 20241112. The patent publication number is CN223198686 (U). International Patent Classification codes ar..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Anhui Yongdi Tech Co Ltd for Pipe Surface Treatment Device for Bicycle Machining. Gu Linfu and Lai Guoxing developed the invention.
The patent application number is CN202422380044U 20240929. The patent publication number is CN223198685 (U)..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Guangdong Zhengyang Machinery Tech Co Ltd has secured a patent on Polishing Machine for Pipes with Variable Lengths. Qin Chaobin, Liu Hongshan and Zhou Yong developed the invention.
The patent application number is CN202422473849U 20241012. The patent publication number is CN223198682 (U). International Pa..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Shandong Xingyi Machine Tool Co Ltd has obtained a patent for double-end round pipe numerical control high-speed drilling machine. This invention was developed by Ren Tengteng, Ji Liang, Ren Yanyun, Noriaki and Ren Zhiqiang.
The patent application number is CN202422490244U 20241015. The patent publication ..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Hubei Suigong Auto Parts Mfg Co Ltd has received a patent for Central Oil Supply Device for Hydraulic Pipe Joint Machining. This invention was developed by Zhang Bing, Xia Wen, Song Yaxiong and Jin Yun.
The patent application number is CN202422199420U 20240909. The patent publication number is CN223198664 ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Linyi SK Water Co Ltd for Dirt Cleaning Device in Water Service Pipe Network. Cui Lei, Li Haiyang and Lu Yanguo developed the invention.
The patent application number is CN202422345658U 20240925. The patent publication number is CN22319767..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Gangsheng Fluid Control Dalian Co Ltd has obtained a patent for hydraulic machine pipeline flushing device. This invention was developed by Qu Daoyi, Xin Guofu, Yu Wenbin and Cao Yuguang.
The patent application number is CN202422364311U 20240927. The patent publication number is CN223197672 (U). Internatio..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chongqing Hechuan Salt Chemical Ind Co Ltd has been awarded a patent for Aerator Pipe Dredging Tool. This invention was developed by Chen Daozhi.
The patent application number is CN202422290248U 20240919. The patent publication number is CN223197670 (U). International Patent Classification codes are B08B9/..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Oil Removing and Cleaning Device for Cold-rolled Seamless Steel Pipe has been issued to Jiangsu Jingda Pipe Mfg Co Ltd. This invention was developed by Lu Jing, Ji Jianqiu and Xue Yu.
The patent application number is CN202422258321U 20240914. The patent publication number is CN223197666 ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Fire-fighting Water Pipe Cleaning Equipment for Fire Fighting has been issued to Inner Mongolia Energy Power Generation Co Ltd. This invention was developed by Wu Junzhi, Siqin Batu, Xu Dongsheng, Zhou Jiayan, Zhang Zhiliang, Wang Jiasi, Fu Mingyu, Zhao Hongwei, Zhang Yanchun, Yao Yunlong a..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangdong Xinweibo Electrical Appliance Co Ltd has been granted a patent for Vertical and Horizontal Dry Burning Pipe Assembly of Electric Water Heater and Electric Water Heater. Lin Zhiliang, Liang Zhiqiang, Wu Bingheng and Liang Tiansheng developed the invention.
The patent application number is CN202422..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Zhejiang Yukun Detection Tech Co Ltd has submitted a patent application for Underground Oil and Gas Steel Pipeline Circumferential Weld Defect Detection Equipment and Detection Method. This invention was developed by Di Chaoran, Zhang Yunfeng, Mai Yandong and Chen Zhongming.
The patent application number i..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has received Changzhou Royal Tech Csp Ltd patent application for Single-drive Shearing and Shaping Device for Vacuum Pipe Fitting Heat Sealing. Fang Quanxi, Chen Chuanchao and Meng Qingyan developed the invention.
The patent application number is CN202311316623 2..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Linyi Hengyuan Eng Group Co Ltd has submitted a patent application for Transportation and Stacking Device for Anti-corrosion Ball-milled Cast Pipes. This invention was developed by Li Wei, Gao Mingming and Dong Yukun.
The patent application number is CN20251090104 20250121. The patent publication number is..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Hubei Dewo Pipe Ind Co Ltd has been granted a patent for Fixing Device for Processing Plastic-lined Pipe. Cheng Yizhi, Luo Jiagui and Xiao Shiwang developed the invention.
The patent application number is CN202422385703U 20240929. The patent publication number is CN223198896 (U). International Patent Class..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Rapid Pipeline Clamping Device for Water Pump Testboard has been issued to Shanghai East Pump Group Nantong Co Ltd. This invention was developed by Wu Weiqiao, Jiang Fuwan, Han Jinhua and Liu Yagang.
The patent application number is CN202421950685U 20240813. The patent publication number..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- CNOOC Energy Tech & Services Limited Clean Energy Branch has been granted a patent for Novel Quick Adjusting Sand Prevention Door of Steel Pipe Outer Wall Shot Blasting Machine. This invention was developed by Yang Zhigang, Rui Dong, Zhang Guoguang, Zhen Zhoushun, Zhou Yingsong, Jia Zhen, Qi Luhua, Jiao Zhenf..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Hubei Hengyida Auto Parts Co Ltd for Clamping Device for High-frequency Welded Pipe Machining. Ye Nanjing, Xiao Zhiming and Huang Yi developed the invention.
The patent application number is CN202422490216U 20241015. The patent publication..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Chinese Patent for Drainage Device for Buried Pipeline has been issued to Anhui Wenchuang Construction Eng Co Ltd. This invention was developed by Zhou Xia, Fu Siqi and Lee Da Young.
The patent application number is CN202422473356U 20241014. The patent publication number is CN223207366 (U). International P..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- Tengda Industrial Tech Guangdong Co Ltd has received a patent for Lathe Clamping Device for Pipe Fitting Machining. This invention was developed by Wang Liguo.
The patent application number is CN202422478091U 20241014. The patent publication number is CN223198588 (U). International Patent Classification co..
Pipe
| Thu 20 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Inner Mongolia Chenggang Pipeline Tech Co Ltd for Positioning and Clamping Device for Steel Pipe Machining. Wang Shiming developed the invention.
The patent application number is CN20242233461U 20240821. The patent publication number is CN..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Xinlongli New Mat Yangzhou Co Ltd has obtained a patent for combined seam beautifying rubber pipe. This invention was developed by Gu Dehong, Xiao Guilin, Zhao Jingmei, Chen Weibao, Wang Youkuan, Chen Cunyong and Liu Juhong.
The patent application number is CN202421598034U 20240708. The patent publication ..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has awarded a patent to Henan Shuizhuangyuan Pipe Ind Co Ltd for Composite Pipe Outer Ring Glue Coating Device. Wang Gongping, Cheng Xinxian, Zhao Ji and Meng Shuangjiang developed the invention.
The patent application number is CN202422287610U 20240919. The pate..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Guangdong Yanyu Tech Co Ltd has obtained a patent for rail type pipeline spraying device. This invention was developed by Yang Xiaoqiang, Song Fengnan and Luo Shuhua.
The patent application number is CN202422272391U 20240914. The patent publication number is CN223197302 (U). International Patent Classifica..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- Foshan Supervision Testing Centre of Quality and Metrology has submitted a patent application for Plastic Pipe Ash Content Measuring Instrument and Measuring Method. This invention was developed by Ou Zhuokun, Wang Zebo, Deng Tiancai, Meng Juhong and Huang Yujun.
The patent application number is CN20251015..
Pipe
| Wed 19 Nov 2025
Beijing, Nov. 20 -- State Intellectual Property Office of China has received Chongqing Tiema Ind Group Co Ltd patent application for Special-shaped Multi-taper Joint High-pressure Oil Pipe Oil Pressure Test Method. He Xin, Xu Zhengjun, Le Bangwen, Wang Tao, Tang Zhongshuai, Zheng Xin, Qi Yue, Xiong Yun, Zhou Cang and Ni Yu devel..
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