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Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Two-roller Cross Piercing Device for Seamless Steel Pipe has been issued to Jiangsu Baoli Prec Electromechanical Co Ltd. This invention was developed by Chen Huajiao, Liu Songsong and Liu Menglong.
The patent application number is CN202422319849U 20240924. The patent publication number i..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Jiangsu Xinzhou Wear Resistant Tech Co Ltd for Steel Pipe Surfacing Supporting Mechanism. Huang Weixing developed the invention.
The patent application number is CN202421890298U 20240806. The patent publication number is CN223185933 (U). I..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Weishi Heavy Ind Co Ltd has been granted a patent for Assembling and Welding Device for Oil Suction Pipe of Heading Machine. Li Haichuan, Hao Liulin, Hao Wei, Zhang Xin and Yuan Yafei developed the invention.
The patent application number is CN202422444949U 20241010. The patent publication number is CN2231..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Jiangyin Huaxia Chemical Machinery Co Ltd has been awarded a patent for Metal Pipe Welding Platform Convenient to Move. This invention was developed by Xia Tao.
The patent application number is CN202422402941U 20240930. The patent publication number is CN223185931 (U). International Patent Classification c..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Guangxi Wenchuan Heavy Ind Co Ltd has secured a patent on Auxiliary Control Device for Assembling and Forming Large-diameter Welded Pipe. Liang Fu, Huang Dan, Xiang Guozheng, Wang Yang, Wang Chuanjiang, Luo Wenming and Tan Bingwan developed the invention.
The patent application number is CN202422121380U 20..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Guangdong Power Grid Energy Dev Co Ltd for Electric Welded Pipe Supporting Mechanism and Device. Fumiyoshi, Qiu Xiaoqing, Zou Shengheng, Zhang Hongbin, Li Shijie, Luo Wenqiang and Qin Li developed the invention.
The patent application numb..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Foshan Huachanneng Gas Design Co Ltd has been granted a patent for Automatic Drainage Device for Gas Pipeline. Luo Hongli, Zhang Xianwen, Zhong Li, Chen Jianyi, Chen Lei, Xian Shaojin and Wu Zexin developed the invention.
The patent application number is CN202422454719U 20241010. The patent publication num..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Gas Pipeline Check Valve has been issued to CETC Kegong Environmental Tech Wuhan Co Ltd. This invention was developed by Ye Hong, Cui Wei and Shang Xinliang.
The patent application number is CN202422580126U 20241025. The patent publication number is CN223191064 (U). International Patent ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Guangzhou Baina Digital Construction Tech Co Ltd has been awarded a patent for Assembly Type Large Pipeline Assembling and Clamping Platform. This invention was developed by Hou Lun, Zhang Yufang and Zhang Jinjun.
The patent application number is CN202422329208U 20240924. The patent publication number is C..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Mingtian Tech Co Ltd for Reducing Type Pneumatic Pipe Clamp Valve. Sun Baocong, Fang Sibo and Xu Jianbin developed the invention.
The patent application number is CN202521207801U 20250613. The patent publication number is CN223191..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Mianyang Chly Tech Co Ltd has secured a patent on Heating Pipe Flange Welding Support. Xie Wenyao and Yang Xiaodong developed the invention.
The patent application number is CN202422145227U 20240903. The patent publication number is CN223185870 (U). International Patent Classification codes are B23K37/04 a..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Kunshan Kinglai Hygienic Mat Co Ltd has secured a patent on Connecting Rod Transmission Transmission Valve and Conveying Pipeline. Guo Weiqiang, Liao Chunling and Zhu Yaming developed the invention.
The patent application number is CN202422620490U 20241029. The patent publication number is CN223191029 (U)...
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Beijing Tianxing Gas Eng Co Ltd for Chain Type Pipeline Cover Plate Fastening Device. Shi Fuhai, Xu Tong, Guo Changzheng, Jing Geng, Guo Zilun, Ding Jian, Yang Jinxin, Xu Wenhui, Wang Xin and Chen Cong developed the invention.
The patent a..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chengdu Qianyu Tech Development Co Ltd has been granted a patent for Manual Corrugated Pipe Valve. This invention was developed by Li Deqiang and Yang Fuqiang.
The patent application number is CN202422651886U 20241031. The patent publication number is CN223191008 (U). International Patent Classification co..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Welding Device for Furnace Roller End Pipe Shaft Head Assembly has been issued to Yantai Zhongtuo Alloy Steel Co Ltd. This invention was developed by Wu Zhixu.
The patent application number is CN202422253325U 20240914. The patent publication number is CN223185836 (U). International Paten..
Pipe
| Sat 15 Nov 2025
Beijing, Nov. 15 -- Juyou Building Mat Co Ltd has submitted a patent application for Disposable Single-component Polystyrene Foam Flow Guide Pipe. Ding Wuyan and Xiao Hailong developed the invention.
The patent application number is CN202510169796 20250217. The patent publication number is CN119793833 (A). International Paten..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chengdu Chenghangfa Tech Co Ltd has been granted a patent for Bent Pipe Welding Auxiliary Device. Chen Yong, Zheng Dan and Liao Chengmiao developed the invention.
The patent application number is CN202421998049U 20240819. The patent publication number is CN223185806 (U). International Patent Classification..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Wuxi Meikelei Automation Equipment Co Ltd has obtained a patent for self-adaptive feeding mechanism of bent pipe spot welding machine. This invention was developed by Wu Wei.
The patent application number is CN202422430263U 20241009. The patent publication number is CN223185799 (U). International Patent Cl..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Shandong Taishi Pipeline Equipment Co Ltd for Welding Device for Pipeline Machining. Zhu Bing developed the invention.
The patent application number is CN202422258972U 20240914. The patent publication number is CN223185798 (U). Internation..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Taizhou OCX Fluid Control Tech Co Ltd has been granted a patent for Follow-up Clamp for Laser Pipe Cutting Machine. Huang Fengling developed the invention.
The patent application number is CN202422321629U 20240923. The patent publication number is CN223185779 (U). International Patent Classification codes ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Air Suction Pipe Device of Plate Laser Cutting Machine has been issued to Hunan Chengxiang Machinery Co Ltd. This invention was developed by Liu Jingxiang and Yang Dajun.
The patent application number is CN202422448754U 20241010. The patent publication number is CN223185723 (U). Internat..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Yangzhou Huasheng Welded Pipe Equipment Co Ltd for Rolling Assembly of High-frequency Pipe Welding Machine. Zhang Guohua and Wang Hong developed the invention.
The patent application number is CN202421926452U 20240809. The patent publicati..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chengdu Xuguang Electronics Co Ltd has been granted a patent for Tool for Improving Brazing Single-furnace Efficiency of Corrugated Pipe Assembly. This invention was developed by Liu Guizhen and Li Yinling.
The patent application number is CN202422127662U 20240830. The patent publication number is CN223185..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Jiangyin South Stainless Steel Pipes Co Ltd has been granted a patent for Hydraulic Cantilever Clamping Type Steel Pipe Outer Circle Polishing Device. This invention was developed by Qian Hangyu, Wang Wenda, Xue Xixing and Xiao Maodui.
The patent application number is CN202421717682U 20240718. The patent p..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Zhengzhou Xinrui Petroleum Engineering Tech Co Ltd for Polishing Device for In-service Petroleum Conveying Pipeline. Sheng Ruixing, Xu Wang and Meng Xuefeng developed the invention.
The patent application number is CN202422395776U 20240929..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Zhangqiu Shenglu Forging Co Ltd has obtained a patent for special-shaped pipe surface treatment device. This invention was developed by Zhang Yuling, Jiao Kun and Jiao Haoying.
The patent application number is CN202421697527U 20240717. The patent publication number is CN223186182 (U). International Patent ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Changyi Jiayuan Building Mat Co Ltd has secured a patent on Thermal-bridge-free Thermal Insulation Pipe for First Open Area of Geothermal Well. Chen Yanliang developed the invention.
The patent application number is CN20242279340U 20240827. The patent publication number is CN223191327 (U). International Pa..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shandong Wanchangshun Environmental Protection Tech Co Ltd has received a patent for Prefabricated Heat Insulation Anchoring Device for Fixing Pipeline. This invention was developed by Li Peng, Miao Xuefa, Zhang Chao and Zhao Mingming.
The patent application number is CN202422771468U 20241114. The patent p..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Tianjin Yugang Keep Warm Construction Mat Co Ltd for Heat Preservation Pipeline Structure for Long-distance Heat Supply. Zhu Mingxing, Zhu Mingjing and Li Pengju developed the invention.
The patent application number is CN202422508050U 202..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shandong Hongguangyuan Installation Eng Co Ltd has been granted a patent for Stainless Steel Lining Oil Pipe. This invention was developed by Yang Haimeng, Zhao Hongyun, Yang Haiwei, Liu Yingying, Zhao Pei and Gao Ya.
The patent application number is CN202422764290U 20241113. The patent publication number ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Guangdong Pinhui Fluid Tech Co Ltd for Thin-wall Heat Preservation Stainless Steel Pipe. Lin Qingsong and Ruan Junzhen developed the invention.
The patent application number is CN202422759998U 20241113. The patent publication number is CN2..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Hebei Hengrui Engineering Mat Co Ltd has been granted a patent for Impact-resistant Precision Steel Pipe. Yao Shuo, Liang Peipei, Liang Liu and Liang Lishen developed the invention.
The patent application number is CN202422738421U 20241111. The patent publication number is CN223191314 (U). International Pa..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Liaoning Gaoxiang New Mat Co Ltd has received a patent for Impact-resistant Pipeline for Conveying Hydrogen. This invention was developed by Wang Zhe and Han Xintong.
The patent application number is CN202422718460U 20241108. The patent publication number is CN223191312 (U). International Patent Classifica..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Liu Wenkai has been granted a patent for Drainage Pipe Fixing Device for Building Construction. This invention was developed by Zhou Shaolong.
The patent application number is CN20242275649U 20240827. The patent publication number is CN223191310 (U). International Patent Classification codes are F16L3/10 a..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Guangdong Xinhuangshang Automation Tech Co Ltd has been awarded a patent for Hot Melt Adhesive Pipe Capable of Being Prevented from Being Broken. This invention was developed by Kang Lujun.
The patent application number is CN202422629264U 20241030. The patent publication number is CN223191309 (U). Internat..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Hongyue Wisdom Environment Tech Co Ltd has secured a patent on Non-excavation Pipeline Repairing Robot. Deng Xiaobo, He Huahua, Mo Guangjuan and Long Fengyuan developed the invention.
The patent application number is CN202422745280U 20241112. The patent publication number is CN223191308 (U). International ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Jiaxing Junsheng Machinery Co Ltd for Robot for Detecting Blockage Condition of Drainage Pipeline. Ke Shanhua developed the invention.
The patent application number is CN202422127392U 20240829. The patent publication number is CN223191307 ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Changsha Zhiyun Construction Eng Co Ltd for Leakage Repairing Device for Water Supply and Drainage Pipeline. Liu Yinhua developed the invention.
The patent application number is CN202422627013U 20241030. The patent publication number is CN..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Temporary Plugging Head for Municipal Water Supply Pipeline has been issued to Jinan Water Group Co Ltd. This invention was developed by Zhou Yanmin and Zhang Hui.
The patent application number is CN20252024481U 20250107. The patent publication number is CN223191296 (U). International Pa..
Pipe
| Sat 15 Nov 2025
Beijing, Nov. 15 -- Shunwei Chongqing Tech Co Ltd has secured a patent on Support for Assembling and Fixing Liquid Cooling Pipe. Yuan Xin, Fan Xuedong and Li Minggang developed the invention.
The patent application number is CN202422349992U 20240926. The patent publication number is CN223193316 (U). International Patent Class..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Annaite Fluid Transp Technology Co Ltd has secured a patent on Quick-change Connector for Pipeline Pressure Test. Bu Fafu and Yang Zhiyong developed the invention.
The patent application number is CN202422735997U 20241111. The patent publication number is CN223191292 (U). International Patent Classificatio..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Xinjiang Petroleum Eng Co Ltd has obtained a patent for natural gas pipeline conveying bleeder. This invention was developed by Guo Xingang, Lin Jun, Cheng Wenjun, Wang Haowen, Zhang Yu and Qin Jun.
The patent application number is CN202422606514U 20241024. The patent publication number is CN223191290 (U)...
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Qiqihar Water Group Co Ltd for Water Supply and Drainage Pipeline Limiting Frame. Yan Changwei and Kuai Xiyue developed the invention.
The patent application number is CN202422644069U 20241031. The patent publication number is CN223191288 ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shenyang Hengtuo Decoration Products Co Ltd has secured a patent on Through-hole Foamed Ceramic Silencing Pipeline. Lin Chuanqiang, Li Qinghua, Jia Xingchen, Li Gang, Lin Ye, Wang Qiang and Chen Xin developed the invention.
The patent application number is CN202422621000U 20241029. The patent publication n..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Wuhan Changxin Ventilation Equipment Co Ltd has received a patent for Galvanized Air Pipe Noise Reduction Mechanism. This invention was developed by Shi Junhui, Shi Junyan and Su Haifei.
The patent application number is CN202422275092U 20240918. The patent publication number is CN223191283 (U). Internation..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Sichuan Haosite Oil Gas Tech Co Ltd has obtained a patent for cooling device for nitrogen in gas outlet pipe of liquid nitrogen vaporizer. This invention was developed by Qi Guangchao, Cai Wenxue, Zhao Fei, Chen Dengxu and Wang Fuhong.
The patent application number is CN202422650265U 20241031. The patent p..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shandong Zhaoyang Plastic Ind Co Ltd has obtained a patent for prestress corrugated pipe spiral joint with continuous corrugations. This invention was developed by Li Weican, Yang Xingbo and Yang Xingtao.
The patent application number is CN202422415530U 20241008. The patent publication number is CN22319127..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Shaanxi Qiuhe Hydraulic Tech Equipment Co Ltd for Anti-leakage Right-angle Hydraulic Pipe Joint Structure. Liu Yang, Wang Wang and Lei Guang developed the invention.
The patent application number is CN202422731135U 20241111. The patent pub..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Henan Xinfan Machinery Equipment Leasing Co Ltd has been granted a patent for Three-way Pipe Fitting Convenient to Mount and Dismount. This invention was developed by He Bo.
The patent application number is CN202422562522U 20241023. The patent publication number is CN223191263 (U). International Patent Cla..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Linyi Hengxiang Prec Casting Co Ltd has been granted a patent for Connecting, Sealing and Reinforcing Structure for Three-way Pipe. Zheng Guangzhao, Liu Nannan and Li Fuqiang developed the invention.
The patent application number is CN202422480718U 20241014. The patent publication number is CN223191261 (U)..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Hebei Jy Tech Co Ltd has obtained a patent for pert thermal insulation pipe support with energy absorption effect. This invention was developed by Deng Wei, Pan Cunye, Yang Zhili, Li Deheng and Yu Yancang.
The patent application number is CN202421664488U 20240715. The patent publication number is CN2231912..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Shao Hang for Assembled Water Supply and Drainage Pipeline. The patent application number is CN202422254245U 20240914. The patent publication number is CN223191250 (U). International Patent Classification code is F16L37/23.
The abstract r..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Anhui Shengjian Construction Eng Co Ltd for Water Conservancy Project Pipeline Connector Structure. Liu Yanping and Lu Yunbo developed the invention.
The patent application number is CN202421917949U 20240809. The patent publication number ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Sinowise Beijing Tech Co Ltd has been granted a patent for Ore Pulp Pipeline Joint. Jia Zhen, Liu Yujiang and Geng Jiaxiang developed the invention.
The patent application number is CN202422669931U 20241104. The patent publication number is CN223191244 (U). International Patent Classification code is F16L3..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Changzhou Tengfei Special Material Tech Co Ltd has obtained a patent for seamless stainless steel pipe with quick connector. This invention was developed by Li Jun, Lu Zhuying, Qian Peihong, Huang Zhiqiang and Gong Wei.
The patent application number is CN202422737368U 20241111. The patent publication numbe..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shenzhen Kaideqi Tech Co Ltd has received a patent for Novel Guide Pipe Quick Connector. This invention was developed by Lu Weiye and Yang Haichao.
The patent application number is CN202422519210U 20241017. The patent publication number is CN223191241 (U). International Patent Classification codes are F16L..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Qingdao Huahongda Electric Co Ltd has been granted a patent for Mounting Assembly and Flexible Dust Removal Pipeline. Liu Dawei developed the invention.
The patent application number is CN202422552325U 20241022. The patent publication number is CN223191240 (U). International Patent Classification code is F..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Tangyin Daze Water Saving Tech Co Ltd for Water Diversion Connecting Piece and Water Hose with Same. Zhong Benlong developed the invention.
The patent application number is CN202422656348U 20241101. The patent publication number is CN22319..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Ordos Water Invest Chengyuan Construction Co Ltd has been granted a patent for Adjustable Pipeline Connector. Su Taiziping, Li Yongqing, Qiao Bao, Xu Jianjun and Yang Jun developed the invention.
The patent application number is CN202422651303U 20241031. The patent publication number is CN223191234 (U). In..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Pingxiang City Earth New Material Tech Co Ltd has been awarded a patent for Secondary Anti-falling Structure and Anti-falling Pipe. This invention was developed by Zhou Chengli and Zhou Chengxian.
The patent application number is CN202421888285U 20240806. The patent publication number is CN223191232 (U). I..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Tool Clamp of Pipe Fitting Flattening Machine has been issued to Zhejiang Chunkang Pipeline Tech Co Ltd. This invention was developed by Yang Renwei and Cui Chaohui.
The patent application number is CN20242253431U 20240823. The patent publication number is CN223186059 (U). International ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Suzhou Aotomei Automation Tech Co Ltd has been granted a patent for Air Pipe Connector. Xi Wen developed the invention.
The patent application number is CN202421872731U 20240805. The patent publication number is CN223191228 (U). International Patent Classification codes are A61M16/08 and F16L27/02.
The..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Suzhou Huajia Metal Products Co Ltd for Pipeline Connector for Steel Pipe. Chen Hua developed the invention.
The patent application number is CN202422519413U 20241018. The patent publication number is CN223191224 (U). International Patent ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Guangdong Hbree Electromechanical Eng Co Ltd has received a patent for Framework Rubber Heating and Ventilation Piece for Pipeline Sealing Connector. This invention was developed by Qin Xiaoming, Li Lin and Zheng Minhua.
The patent application number is CN202422694105U 20241106. The patent publication numb..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Wuhu Xinxing Ductile Iron Pipes has been granted a patent for Flange Nipple for Desulfurization and Denitrification Activated Carbon Position. Wei Ruirui, Chen Chao, Wang Baofu, Tan Youqian, Ding Chengyi, Li Zhigang, Zhang Yu, Gu Fengnian, Jin Chenghu and Ren Leilei developed the invention.
The patent appl..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chengdu Rongyue Tech Co Ltd has been granted a patent for Natural Gas Pipeline Connector Sealing Device. He Jun and Li Bin developed the invention.
The patent application number is CN202521308347U 20250625. The patent publication number is CN223191218 (U). International Patent Classification codes are F16L..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Jiangsu Xinshuguang Metal Products Co Ltd has been awarded a patent for High-safety Stainless Steel Welded Pipe for Fluid Transportation. This invention was developed by Liu Yinghua.
The patent application number is CN202422741498U 20241111. The patent publication number is CN223191217 (U). International P..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Seamless Stainless Steel Pipe Capable of Being Sleeved and Fixed has been issued to Huadi Steel Group Co Ltd. This invention was developed by Wang Lili and Wu Jingyu.
The patent application number is CN202422627362U 20241030. The patent publication number is CN223191213 (U). Internationa..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Daqing Rishuo Pipe Ind Co Ltd has been awarded a patent for Hoop Type Socket Pipe Fitting Structure. This invention was developed by Zhang Jiayi, Zhang Jiaying and Zhang Chao.
The patent application number is CN202422452702U 20250630. The patent publication number is CN223191211 (U). International Patent C..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Qidong Qirun Kangnaike Connection Parts Co Ltd has been granted a patent for Leak-proof Pipeline Connecting Piece. Pang Hongchun, Zhang Junying and Wang Haixue developed the invention.
The patent application number is CN20242237477U 20240822. The patent publication number is CN223191210 (U). International ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Angang Group Yongtong Ductile Iron Pipe Co Ltd has obtained a patent for spheroidal graphite cast iron pipe with anti-slipping connector. This invention was developed by Zhang Hongliang, Sun Guangwei, Fan Yonghui, Su Bailin, Zhang Junwen, Ji Haibo, Zhang Haiyan, Chai Qiang, Wang Qingbin and Shen Haijun.
Th..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Huang Jiying has obtained a patent for convenient connecting device for gas meter and gas pipeline. The patent application number is CN202422472498U 20241012. The patent publication number is CN223191198 (U). International Patent Classification code is F16L15/04.
State Intellectual Property Office of Chin..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Ningbo Hongwu Pipe Ind Co Ltd has secured a patent on Small-caliber High-pressure Anti-explosion Metal Corrugated Water Pipe. Huang Shuangwu, Sun Jiaqi and Jiang Yifeng developed the invention.
The patent application number is CN202422760667U 20241113. The patent publication number is CN223191195 (U). Inte..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shenyang Xinfeiyu Rubber Product Co Ltd has been awarded a patent for PVDF (polyvinylidene Fluoride) Corrosion-resistant Ultrahigh Pressure Cleaning Hose. This invention was developed by Xu Zifu, Li Luan and Zhang Hongguo.
The patent application number is CN202422707691U 20241107. The patent publication nu..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Nanjing Zhixing Pipe Ind Co Ltd for Corrosion-resistant Sampling Hose with Improved Structure. Chen Aixiang, Shan Peng, Chen Chao, Jiang Liangjie, Dong Yunfei and Li Zheng developed the invention.
The patent application number is CN2024224..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Nanjing Li Hang Water Saving Tech Co Ltd has obtained a patent for three-layer composite woven flexible hose. This invention was developed by Zhu Ping and Li Zebin.
The patent application number is CN202422634508U 20241030. The patent publication number is CN223191191 (U). International Patent Classificati..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Lanzhou Ruizhi Metal Mat Co Ltd for Corrugated Pipe Cutting Device. Zhang Tiwei, Zhang Yan, Ren Xueying, Yang Lu, Xue Guanghao and Niu Dongpo developed the invention.
The patent application number is CN202422458592U 20241011. The patent pu..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Henan Anzhu New Material Tech Co Ltd has been granted a patent for Inorganic Veneering Floating Bead Fire-resistant Heat Insulation Plate Air Pipe. Zhang Aijun, Li Yahui, Chen Weiqiang, Zeng Hui and Zhang Fangwei developed the invention.
The patent application number is CN202422538648U 20241021. The patent..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Anhui Conch Yihai Pipe Industry Science & Tech Co Ltd for Reinforced Polyethylene Winding Pipe. Wang Yong, Dou Feng, Liu Tiansheng, Hu Mingshuang, Gao Xinrong and Yan Peiyin developed the invention.
The patent application number is CN20242..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Xinjiang Qiangzhou Glass Pipe Ind Co Ltd has received a patent for Hollow Reinforced Pipeline with Fiber Composite Structure. This invention was developed by Lyu Shibin, Lyu He and Lyu Mohan.
The patent application number is CN202422731741U 20241111. The patent publication number is CN223191184 (U). Intern..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Guangdong Liansu Ind Special Pipeline Co Ltd and Guangdong Liansu Technology Industrial for Cavity Composite Pipe for Conveying Hydrogen. Zhang Enquan, Liu Ke, Song Keming and Li Tongyi developed the invention.
The patent application numbe..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Baoye Changchun Construction Dev Co Ltd has been awarded a patent for Open-air Drainage Anti-freezing Pipeline. This invention was developed by Zhao Zhongxiao, Yang Guohui, Xiao Dongxu and Zhang Ruifu.
The patent application number is CN202422252835U 20240913. The patent publication number is CN223191181 (..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Sino Singapore International Res Institute for Fiber Reinforced Composite Material Winding Composite Pipe with Bamboo Skin Braided Pipe as Lining Structure Layer. Zhou Jing, Zhao Weifeng and Liu Shuping developed the invention.
The patent ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Zheyi Pipe Ind Wuhan Co Ltd for High-strength Pressure-resistant PVC (polyvinyl Chloride) Pipe. Liu Huapeng, Liang Yong, Huang Bo and Qiao Jun developed the invention.
The patent application number is CN20242272997U 20240826. The patent pu..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Nanning Zhongsu Plastic Co Ltd has secured a patent on Composite Pe Winding Pipe. Xue Huiyong developed the invention.
The patent application number is CN202422369953U 20240927. The patent publication number is CN223191178 (U). International Patent Classification codes are F16L47/08, F16L47/12, F16L9/12 an..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Weiyuan Taide Tianjin Clean Energy Co Ltd has been granted a patent for Air Conditioner Outdoor Unit Copper Pipe Wall Hole Plugging Device. This invention was developed by Liu Xinyi.
The patent application number is CN202422763298U 20241113. The patent publication number is CN223191174 (U). International P..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Taizhou Zhongchi Construction Eng Co Ltd has been granted a patent for Quick-release Pipeline Supporting Frame. This invention was developed by Wang Li and Mei Yongbin.
The patent application number is CN202422520032U 20241017. The patent publication number is CN223191170 (U). International Patent Classifi..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Zhang Xinli has obtained a patent for building electromechanical pipeline positioning equipment. This invention was developed by Zhang Yanlong, Zhang Xinli, Xin Shaochong, Zhang Yuting, Zhang Qingxi and Liu Subi.
The patent application number is CN202422578681U 20241024. The patent publication number is CN..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shenggu Engineering Tech Co Ltd has been awarded a patent for Air Pipe Fixing Support Convenient to Install. This invention was developed by Yang Yongqiang, Chen Yongzhao, Gao Hongting and Liu Sheng.
The patent application number is CN202423298782U 20241231. The patent publication number is CN223191162 (U)..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Tianjin Ruite Marine Eng Co Ltd has obtained a patent for adjustable ocean platform pipeline connection stabilizing device. This invention was developed by Xian Yubo.
The patent application number is CN202422757552U 20241113. The patent publication number is CN223191158 (U). International Patent Classifica..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Shanghai Shuhui Intelligent Tech Co Ltd has secured a patent on Municipal Pipeline with Height Detection Function. Mu Tao developed the invention.
The patent application number is CN202422724754U 20241108. The patent publication number is CN223191156 (U). International Patent Classification codes are F16L3..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Chinese Patent for Air Conditioner Pipeline Fixing Device for Air Conditioner Installation has been issued to Guangzhou Keyu Electromechanical Equipment Co Ltd. This invention was developed by Liang Tonghui, Zhou Haiyan and Fu Jihe.
The patent application number is CN202422535637U 20241021. The patent publ..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Hefei Epnnel Water Supply Tech Co Ltd has been granted a patent for Adjustable Pipeline Supporting Device of Variable Frequency Pump Set. Cheng Rui, Zhou Sundong and Jin Wangyang developed the invention.
The patent application number is CN202422480911U 20241014. The patent publication number is CN223191145..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Langfang Huayu Tianchuang Energy Equipment Co Ltd has been granted a patent for Directly-buried Thermal Insulation Pipe Laying Traction Device. This invention was developed by Chen Qichao, Duan Wenyu, Shi Chaoxu and Ye Lianji.
The patent application number is CN202422723659U 20241108. The patent publicatio..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Anhui Conch Yihai Pipe Industry Science & Tech Co Ltd has obtained a patent for buried municipal pipeline. This invention was developed by Wang Xuyuan, Liu Saisai, Chen Xiaohui, Wang Xia, Zhang Dingqi, Cen Huiling and Chen Feng.
The patent application number is CN202422565897U 20241023. The patent publicat..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Longyou Tianhong Construction Co Ltd for Auxiliary Pipe Lowering Device for Underground Pipe Laying. Yang Jianwei and Chen An developed the invention.
The patent application number is CN202422165070U 20240904. The patent publicati..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to China Valve Co Ltd for Hydraulic Control Three-way Valve for Adjusting Opening and Closing Speed and Pipeline. Chen Rongchang, Lai Xiuqi, Zhang Dingsan and Xu Hongcai developed the invention.
The patent application number is CN202422429731..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- Bengbu Zhengda Compressor Co Ltd has been granted a patent for Noise Reduction Device for Gas Inlet Pipe of Gas Compressor. This invention was developed by Zhang Xin, Zhou Lei and Dai Yongbing.
The patent application number is CN202422432829U 20241009. The patent publication number is CN223190579 (U). Inte..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Taizhou Hongyi Frame Co Ltd for Efficient Machining Device for Light-weight Frame Bent Pipe. Lu Yanjun, Hou Yanglong, Cai Wenxuan, Wei Chunhua and Jiang Dengfeng developed the invention.
The patent application number is CN202421655743U 202..
Pipe
| Fri 14 Nov 2025
Beijing, Nov. 15 -- State Intellectual Property Office of China has awarded a patent to Zhejiang Qianjiang Motorcycle for Air Inlet Pipe of CVT Engine. Lin Weiwei, Dai Xuanyu and Ge Renbing developed the invention.
The patent application number is CN202421852928U 20240801. The patent publication number is CN223190535 (U). Int..
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