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Pipe
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has released Morphing I Inc patent application for Intelligent Exploration Robot and Intelligent Closed Pipeline Exploration System Including Same. This invention was developed by Kim Ki Young and Lee Kyoung Min.
The patent application number is WO2024KR96590 20241118..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has published Bumyeong Inc patent application for Corrosion Inspection for Pipe. The invention was developed by Kim Chulhoon.
The patent application number is WO2024KR18544 20241121. The patent publication number is WO2026100804 (A1). International Patent Classificati..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Weifang East Steel Pipe Co Ltd has sought patent for Precise Conveying and Feeding Device for Multiple Steel Pipes. This invention was developed by Shang Weidong, Cong Yuezeng, Yu Zhisong, Zhang Liang, Zhang Xiaolu, Yang Zhiqiang, Gao Jian, Zhang Dongguang, Sun Jianyu and Nie Yongquan.
The patent applicatio..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Henan Dadanjiang Tech Co Ltd has submitted a patent application for Automatic Pipe Arranging Device. This invention was developed by Wei Hongyan, Yao Sicong, Zhou Hongshan, Huang Guofeng, Quan Jun, Hou Hao and Wen Xia.
The patent application number is CN202511389991 20250926. The patent publication number i..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Yueguiyuan Bay Area Guangzhou Planning and Design Co Ltd and Guangdong Urban & Rural Planning And Design Institute Tech Group Co Ltd patent application for Logistics Transportation System for Top Space in Pipe Gallery. Li Yanpeng, Luo Fei, Bao Junyue, Ch..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Essel Packaging Guangzhou Ltd has submitted a patent application for Printing Sheet with 3D Expansion Effect, Preparation Method of Printing Sheet and Packaging Hose. This invention was developed by Liu Jie and Ling Yuantu.
The patent application number is CN202511535321 20251027. The patent publication num..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Nantong Chenji Steel Pipe Co Ltd has filed a patent application for Efficient Cutting and Accurate Positioning Device for Pipe Machining. This invention was developed by Wu Jingtao.
The patent application number is CN202511649562 20251112. The patent publication number is CN121374748 (A). International Pate..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Suzhou Lingyu Plastic Pipe Tech Co Ltd has sought patent for Fixed-length Cutting and Conveying Device for CPVC Solid-wall Guide Pipe. This invention was developed by Ji Jianrong, Ding Jianfang, Ji Zhenni, Cheng Siyi, Li Ya, Sang Lingling and Zhou Mingzhen.
The patent application number is CN202511479435 20..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released The Fifth Eng Co Ltd Of CCCC Construction Group and China Communications Construction Group patent application for Air Conditioner Copper Pipe Welding Equipment for Building Refrigerating System of Idc (internet Data Center) Server Room. This invention w..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Qingdao Shangyu Environment Tech Co Ltd patent application for Welded Steel Pipe Welding Rib Removing Equipment and Removing Method. Xu Zhaowei, Xu Chongbin and Xu Chongchao developed the invention.
The patent application number is CN202511754282 2025..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Hangzhou Linan Sanchi Electrical Appliance Co Ltd has sought patent for Automatic Sleeving Equipment for Cable Pipe Sleeves. This invention was developed by Zhang Haixia, Lou Yun, Sheng Yaqi and Xu Shunli.
The patent application number is CN202511597799 20251104. The patent publication number is CN121374111..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received China Nuclear Tianjin Machine Co Ltd patent application for Feeding and Press-fitting Device of Special-shaped Pipe Fitting Welding Automatic Production Line. Wang Yu, Yu Jinbo, Li Feng, Ma Zhanyu, Liu Yazhen, Jia Xiuyun, Li Bo, Wang Baoping, Zhu Yabin, ..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released Guizhou Zhisheng Xinhe Tech Co Ltd patent application for Modularized Forming Method of High-strength Steel Water Drawing Pipe for Fire Extinguishing Aircraft. This invention was developed by Wu Zhongyi, Liu Jizhong and Zeng Lei.
The patent applicatio..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Chongqing Jodear Power Equipment Co Ltd has submitted a patent application for Laser Cutting Equipment for Steel Structure Pipe Production and Machining. Jin Zhijian, Zhang Mingyang and Qin Fei developed the invention.
The patent application number is CN202511671644 20251114. The patent publication number i..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Shandong Liwei Laser Tech Co Ltd has filed a patent application for Laser Pipe Cutting Machine with Auxiliary Supporting and Discharging Device. This invention was developed by Li Bing.
The patent application number is CN202511546545 20251028. The patent publication number is CN121373814 (A). International ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Jiangsu Linghan Intelligent Laser Tech Co Ltd has sought patent for Laser Pipe Cutting Machine with Progressive Pipe Drawing Mechanism. This invention was developed by Yang Xudong and Motomi.
The patent application number is CN202511259293 20250904. The patent publication number is CN121373808 (A). Internat..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Tianjin Youfa Dezhong Steel Pipe Co Ltd has filed a patent application for Large-diameter Welded Pipe High-frequency Extrusion Device Based on Reverse Arc Roller. This invention was developed by Shen Yongdong, Ding Xiuchen, Yu Shubao, Liu Bin, Gao Hongquan, Chen Tianjin, Du Zhifan, Chen Yanchun, Zhang Junkui, ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Shaanxi Qinhan Metal Co Ltd patent application for Production Equipment and Process of Capillary Aluminum Alloy Pipe. The invention was developed by Tang Xue.
The patent application number is CN202410945229 20240715. The patent publication number is ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Sichuan Tuolitai Industrial Equipment Mfg Co Ltd has filed a patent application for Low-temperature Carburizing Pipe Joint Machining Device and Method. This invention was developed by Zhang Xin and Zhou Peng.
The patent application number is CN202511679676 20251117. The patent publication number is CN121372..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Shanghai Daquan New Material Tech Co Ltd has sought patent for Glass Fiber Hose for Air Pressure Overturning Steam Curing Method and Preparation Method of Glass Fiber Hose. This invention was developed by Yin Chengquan, Xu Jian and Yin Gongpan.
The patent application number is CN202511862293 20251211. The p..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released Guangzhou Yuejian Sanhe Software Co Ltd and Goody Science & Tech Co Ltd patent application for Construction Method of Steel Wire Mesh Framework Composite Pipe Provided with Communication Chip and Composite Pipe. This invention was developed by Huang Jian..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Shaoyang Polytechnic has applied Chinese patent for Pipe Fitting Self-adaptive Positioning and Intelligent Cutting Method and System Based on Machine Vision. Li Huaye, He Chenxi, Xiang Hao, Li Wentao, Wang Yonghong, Long Feng, Ye Huifang, Chen Bing, Zhong Yang, Liu Mingmin and Xie Mengyuan developed it.
The..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Xuzhou Qianxin Machinery Tech Co Ltd has filed a patent application for Narrow Gap Welding Device for Pipe Fitting Welding. This invention was developed by Zhou Peng.
The patent application number is CN202511899905 20251216. The patent publication number is CN121374012 (A). International Patent Classificati..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Hebei Kaimalai Pipeline Co Ltd has applied Chinese patent for Straight Seam Steel Pipe Angle Fine Adjustment Mechanism and Girth Welding Auxiliary Device. Xiao Juan developed it.
The patent application number is CN202511813736 20251204. The patent publication number is CN121374009 (A). International Patent ..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Weifang East Steel Pipe Co Ltd has submitted a patent application for Steel Pipe Shaping and Butting Device. Cong Yuezeng, Du Guanghui, Ji Dongpeng, Yang Guoyin, Sun Congzheng, Wang Xing'an, Du Yongzhi, Sun Xiaoliang and Qi Yufeng developed the invention.
The patent application number is CN202511812458 2025..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published CCC Guangzhou Dredging and Tianjin Wodon Wear Resistant Mat Co Ltd patent application for Wear-resistant Pipe Groove Welding Equipment and Welding Method. The invention was developed by Li Qiang, Wei Xingjing, Zhao Youheng, Liu Bin, Zhang Jun and Liang ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Longjiang Jinhua Pipe Ind Co Ltd has sought patent for Steel Belt Welding Device in Production of Steel Belt Reinforced Spiral Corrugated Pipe. This invention was developed by Wang Chuanren, Zhao Shijia, Yang Yanli, Sun Hui, Ma Peizhu, Luo Xiulan and Wang Fenghua.
The patent application number is CN20251166..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Qidong Huisheng Offshore Equipment Co Ltd patent application for Argon Filling Protection Tool for Pipeline Welding. Cui Kai, Bai Yundong, Tian Zhongyang, Ma Jianjun, Liu Yisha and Yang Shuo developed the invention.
The patent application number is CN..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Wilhelm Suzhou Cladding Tech Co Ltd patent application for Surfacing Machining Equipment for Production of Bimetallic Corrosion-resistant Surfacing Composite Pipe. Zhang Jianhui developed the invention.
The patent application number is CN202511697232 ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Anhui Siputaike Intelligent Manufacturing Tech Co Ltd has filed a patent application for Device and Method for Automatically Detecting Appearance Defects of Welding Drying Pipe Based on CCD Vision. This invention was developed by Yuan Dongxin, Gao Chenhui, Guo Chao and Tong Yao.
The patent application numbe..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Sichuan Juyou Polymer Mat Co Ltd patent application for Automatic Equipment for Corrosion Prevention of Outer Wall of Steel-rubber Composite Pipe. Jiang Hao, Wu Keyu, He Zhengjiang, Nie Xiaoyu, Yin Wengang and Liao Bo developed the invention.
The pate..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Henan Gongjian Group Eng Construction Co Ltd has applied Chinese patent for Full-automatic Pipeline External Anti-corrosion Machine. Geng Baocai, Shi Shuli, Yang Junwei, Yang Kangying, Yuan Lei, Zhang Xinqiu and Liu Jing developed it.
The patent application number is CN202511959709 20251224. The patent publ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Shaanxi Odia Ind Co Ltd has filed a patent application for Automatic Spraying System for Anticorrosive Coating of Galvanized Pipe. This invention was developed by Zhang Leiyu and Zhang Shaohua.
The patent application number is CN202511874648 20251212. The patent publication number is CN121372753 (A). Intern..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- Polyflow LLC has submitted a patent application for a Flexible Pipe and a Method of Manufacturing a Flexible Pipe. Cureton Timothy and Shorter Jeffrey developed the invention.
The patent application number is WO2025US53749 20251103. The patent publication number is WO2026101826 (A1). International Patent Cla..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- Polyflow LLC has submitted a patent application for a Flexible Pipe and a Method of Manufacturing a Flexible Pipe. This invention was developed by Cureton Timothy, Yu Liang, Ryan Matthew and Barrientos Roberto.
The patent application number is WO2025US53741 20251103. The patent publication number is WO202610..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Pan Chenzhe patent application for Yarn Shaping Pipe for Knot-free Air Winding Equipment. Pan Chenzhe and Pan Zhongming developed the invention.
The patent application number is CN202511951992 20251223. The patent publication number is CN121376734 (A)..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Xi'an Aerospace Propulsion Testing Technique Inst has submitted a patent application for Rocket Propellant Transfer Injection Pipeline Automatic Docking Device and Control Method. This invention was developed by Chu Hongli, Yao Chen, Peng Xiaojian, Xu Dong, Bai Shixiong, Guo Weidong, Cui Xu, Liu Hui, Zhang Liy..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- Technipfmc Subsea France has submitted a patent application for Endpiece of a Flexible Pipe for Transporting Fluid, Flexible Pipe and Associated Method. Frigeri Phellip and Medeiros Filipe Coelho developed the invention.
The patent application number is WO2025EP82078 20251106. The patent publication number i..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Suzhou Tezhu Construction Machinery Co Ltd patent application for Pipe Welding Device for Building Construction and Using Method Thereof. The invention was developed by Zhou Guoqiang, Hu Haidong and Lei Shuyu.
The patent application number is CN20251..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- World Intellectual Property Organization has published Fluiidd patent application for Device with Easy Maintenance for Monitoring a Fluid Circulating in a Pipe. The invention was developed by Darnajou Mathieu and Guenebaud Philippe.
The patent application number is WO2025EP82023 20251105. The patent publicat..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Haiyang Zhengyu Plastic Co Ltd patent application for Heat Treatment Production Line for Plastic Pipeline Processing. Song Yongfen developed the invention.
The patent application number is CN202511857254 20251210. The patent publication number is CN12..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Hangzhou Zhongzhan Ind Co Ltd has submitted a patent application for Waste Plastic Pipe Recycling and Squeezing Type Forming Device. Zhu Jinqiang, Fu Shuanglian, Xu Bo and Zha Xinxing developed the invention.
The patent application number is CN202511888259 20251215. The patent publication number is CN121375..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Guangdong Kunda Pipe Ind Co Ltd has submitted a patent application for Polyethylene Pipe Production Forming Processing Equipment and Process. Liu Lina and Gao Lin developed the invention.
The patent application number is CN202511791636 20251222. The patent publication number is CN121375045 (A). Internationa..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Zhuhai Purui Intelligent Mfg Co Ltd has sought patent for Automatic Demolding, Detecting and Discharging Mechanism for Hose. This invention was developed by Zhang Zhiguo and Guo Shibao.
The patent application number is CN202511909692 20251217. The patent publication number is CN121374936 (A). International ..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Qingdao Haode Boer Ind Co Ltd has sought patent for Preheating Section Pipe Feeding Equipment for Manufacturing Small-pipe-diameter Plastic-coated Composite Steel Pipe. This invention was developed by Fu Xibo, Li Guanglin and Wang Jiaoai.
The patent application number is CN202511919294 20251218. The patent ..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Zhejiang Deao Plastic Co Ltd patent application for Plastic Pipe Fitting Raw Material Impurity Removal Device and Use Method Thereof. The invention was developed by Xu Ziqiang.
The patent application number is CN202511822195 20251205. The patent publ..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Henan Yuhang Huiyun Robot Co Ltd patent application for Adjustable Embracing Ring Tool for Pipe Fitting Detection. Guo Zhifeng developed the invention.
The patent application number is CN202511778287 20251128. The patent publication number is CN121374..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Yangzhou Longchuan Energy Equipment Co Ltd has submitted a patent application for Wheel Type Grinding Machine and Steel Pipe Inner Circle Grinding Device. Shi Shanmiao, Wang Lujun, Wang Peng, Zhao Xiaoping, Wu Hao and Wang Kezhen developed the invention.
The patent application number is CN202511834159 20251..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Qionglai Anyuan Gas Co Ltd has applied Chinese patent for Natural Gas Pipeline Internal Corrosion Detection and Repair System. Luo Yu, Zeng Pinhan, Zhao Ke, Li Zhiyong, Liu Jinwen and Wang Jinghui developed it.
The patent application number is CN202511740743 20251125. The patent publication number is CN1213..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Xuancheng Muye Intelligent Equipment Co Ltd has filed a patent application for Die Grinding Equipment for Steel Pipe Machining. This invention was developed by Lin Yongming.
The patent application number is CN202511896934 20251216. The patent publication number is CN121374313 (A). International Patent Class..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Jining Luke Testing Tech Co Ltd has submitted a patent application for Pressure Pipeline Welding Preheating Device. This invention was developed by Xu Fanggang, Liu He, Zhang Hao, Xing Tongyu, Guo Jie, Li Junchang, Li Yang and Li Leming.
The patent application number is CN202511907786 20251217. The patent p..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Atlantic China Welding Consumables Inc has filed a patent application for Coating for Welding Rod Matched with Boiler Pipeline 20mog Steel and Application of Coating. This invention was developed by Huang Yifang, Jiang Yong, Zhang Kejing, Yang Fei and Guo Rui.
The patent application number is CN202511732281..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Jiangsu Jinyu Pipe Co Ltd has applied Chinese patent for Intelligent Welding Device for Special Pipeline. Xiao Jinguo developed it.
The patent application number is CN202511597589 20251104. The patent publication number is CN121373884 (A). International Patent Classification codes are B23K31/02, B23K37/02 a..
Pipe
| Thu 21 May 2026
Geneva, May 21 -- Shanghai Kehua Thermal Pipe Co Ltd has submitted a patent application for High-stiffness, Thin-walled Outer Casing Steel Pipe for Directly Buried Steam Insulation Pipe. This invention was developed by Liu Lingcheng.
The patent application number is WO2025CN118853 20250903. The patent publication number is WO..
Pipe
| Thu 21 May 2026
Geneva, May 21 -- Shanghai Kehua Thermal Pipe Co Ltd has submitted a patent application for Prefabricated Insulated Pipeline. This invention was developed by Liu Lingcheng.
The patent application number is WO2025CN118852 20250903. The patent publication number is WO2026098039 (A1). International Patent Classification codes ar..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released Hebei Xusenmai Numerical Control Tech Co Ltd patent application for Online Laser Cutting Device for Steel Pipe Production. This invention was developed by Guo Jing.
The patent application number is CN202511965419 20251224. The patent publication numbe..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Hebei Maoyun Bali Machinery Equipment Co Ltd has filed a patent application for Cutting Device for Stainless Steel Pipe Manufacturing Production Line. This invention was developed by Li Congmin.
The patent application number is CN202511952515 20251223. The patent publication number is CN121373851 (A). Inter..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Cangzhou Zhiang Pipeline Equipment Mfg Co Ltd has submitted a patent application for Laser Cutting Device for Pipeline Machining. This invention was developed by Gao Suolong, Zhang Zhongli, Xu Guangjun and Gao Liming.
The patent application number is CN202511919540 20251218. The patent publication number is..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Chongqing Jodear Power Equipment Co Ltd has applied Chinese patent for Automatic Electric Arc Cutting Device for Steel Structure Pipe. Jin Zhijian, Zhang Mingyang and Zhu Qiyue developed it.
The patent application number is CN202511773745 20251128. The patent publication number is CN121373647 (A). Internati..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Tianjin Baofeng New Energy Tech Co Ltd has applied Chinese patent for Pipe Welding Machine for Galvanized Pipe Manufacturing. Hu Yuanbao, Hu Jiangwei, Zhang Shiting and Zhang Peng developed it.
The patent application number is CN202511777148 20251128. The patent publication number is CN121373635 (A). Intern..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Shanxi Longcheng Ma Steel Co Ltd has filed a patent application for Opening Flattening Assembly and Opening Flattening Machine and Method for Pipe Fitting Machining. This invention was developed by Han Jiaqi and Yin Guanglei.
The patent application number is CN202511972848 20251225. The patent publication n..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Changzhou Fengdun Hydraulic Machinery Equipment Co Ltd has submitted a patent application for Cutting Device for Machining Hydraulic Pipe of Mechanical Equipment. Wu Chuanjin, Li Runyuan and Lyu Linjuan developed the invention.
The patent application number is CN202511589858 20251103. The patent publication..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Jiangsu Xinpeng Composite Mat Co Ltd has submitted a patent application for Bimetal Composite Pipe and Production Method Thereof. Shen Yi and Chen Weifeng developed the invention.
The patent application number is CN202511505608 20251021. The patent publication number is CN121373347 (A). International Patent..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Linyi Lemeng Construction Eng Co Ltd has filed a patent application for Forging Press for Steel Pipe Production. This invention was developed by Wang Jin, Chu Zhijian and Gao Xiuhui.
The patent application number is CN202511583321 20251031. The patent publication number is CN121373283 (A). International Pat..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Jiangsu Huayuan Luda Pipeline Tech Co Ltd has sought patent for Pe Pipe Recycling and Crushing Processing Device and Processing Method. This invention was developed by Liang Jun and Xing Likun.
The patent application number is CN202511875442 20251212. The patent publication number is CN121374925 (A). Intern..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Anhui Rongcheng Hydraulic Tech Co Ltd has submitted a patent application for Mixing Device for Producing Rubber Pipe. Su Wen and Gan Zhengping developed the invention.
The patent application number is CN202511955640 20251223. The patent publication number is CN121374887 (A). International Patent Classificat..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Wuxi Lihuo New Energy Tech Co Ltd has applied Chinese patent for Steel Pipe Straightening Equipment. Wang Huaqing developed it.
The patent application number is CN202511909010 20251217. The patent publication number is CN121373211 (A). International Patent Classification codes are B21D3/00, B21D43/00, B21D4..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Fujian Yongchun Shuangheng Aluminium Co Ltd has applied Chinese patent for Photovoltaic Ground Pile Pipe Shrinking Equipment and Pipe Shrinking Process Thereof. Yu Jinzhi, Lai Zhongguan, Chen Muhui, Yang Dehai, Guo Zitai and Chen Yongfu developed it.
The patent application number is CN202511946400 20251223...
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Nantong Ch Aluminium Co Ltd patent application for Variable-diameter Thin-wall Aluminum Pipe Vertical Extrusion Forming Device and Method. The invention was developed by Li Zhijun and Zhang Daping.
The patent application number is CN202511856364 2025..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Chengdu Mingyang Plastic Co Ltd has sought patent for Enhanced Farmland Irrigation Pipe. This invention was developed by Zhang Kai.
The patent application number is CN202511824826 20251205. The patent publication number is CN121369190 (A). International Patent Classification codes are A01G25/02 and B08B9/02..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Fujian Julong Pipe Ind Co Ltd has submitted a patent application for Movable Concrete Pipe Production Grouting Equipment Capable of Uniformly Distributing Materials. Yang Guang, Mao Yusong, Cai Songnan and Xiao Zengbing developed the invention.
The patent application number is CN202511657891 20251113. The p..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Tangshan Zhengyuan Pipe Ind Co Ltd has submitted a patent application for Galvanized Steel Pipe Drilling Device. This invention was developed by Liu Zhihong, An Rui, Li Zhijie, Liang Songtao, Sun Fangqi and Wang Chuan.
The patent application number is CN202511871986 20251212. The patent publication number i..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Changzhou Jintan Jinneng Electric Power Co Ltd has submitted a patent application for Intelligent Manufacturing Equipment for Combined Machining of Spiral Coil Pipes. This invention was developed by Hua Lei, Wang Wenbin and Sun Xiuxia.
The patent application number is CN202511728983 20251124. The patent pub..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Huaian Senhai Cold Bending Tech Co Ltd has submitted a patent application for Thin-wall Steel Pipe Cold Bending Die and Cold Bending Method. This invention was developed by Gou Xianqiong, Zhao Bing, Yan Huaide, Chen Hao, Zhao Congwen, Wang Jun and Cheng Yonghan.
The patent application number is CN2025118972..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Shanghai Yixing Power Tech Co Ltd has applied Chinese patent for Elbow Pipe Positioning Device and Positioning Method Thereof. Xia Qiwei and Li Peiquan developed it.
The patent application number is CN202511937631 20251222. The patent publication number is CN121373129 (A). International Patent Classificatio..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Fujian Julong Pipe Ind Co Ltd has applied Chinese patent for Vibration Molding and Demolding Synchronous Supporting Equipment for Concrete Pipe Core Mold. Xie Ruihai, Chen Yupei, Wu Yanbin and Zhang Ling developed it.
The patent application number is CN202511676199 20251117. The patent publication number is..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released China State Construction Engineering Yunnan Group and Huaqiao University patent application for Deformation Processing Device for Ventilation Pipeline of Air Conditioner. This invention was developed by Huang Yuping, Huang Huaizhe, Chen Jianjiang, Su Zhi..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Chengdu Siyuan Smart Aviation Tech Co Ltd and Inspur Smart Tech Co Ltd have submitted a patent application for Electric Take-up and Pay-off Device for Air Supply Pipe of Bridge-mounted Air Conditioner. This invention was developed by Gu Yong, Dong Qiming and Gong Xiaomin.
The patent application number is CN..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- The Fourth Eng Co Ltd Of CCCC First Highway Eng Co Ltd and CCCC First Highway Engineering Group have submitted a patent application for Mechanical Cutting Device for Municipal Pipe Network Reconstruction Engineering. Zhang Yunqiang, Wang Yuxiao, Yang Xiaochuan, Qin Fanglin, Lee Boo-sang, Li Lijun, Jiang Kaixin..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Hangzhou Xiaoshan Shunhe Metal Hose Co Ltd and Hangzhou Shunhe Rail Transit New Mat Co Ltd have submitted a patent application for Integrated Machining Device for Metal Hose. This invention was developed by Shen Renmu.
The patent application number is CN202511805199 20251203. The patent publication number i..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Inner Mongolia Erdos Electric Power & Metallurgy Group and Ordos Hanbo Tech Co Ltd have submitted a patent application for Polyvinyl Chloride Resin Anti-caking Conveying Pipeline. Su Faqiang, Dai Guoqiang, Guo Junfei, Kang Jinwei, Wu Yuanhao, Xin Xiuling, Chen Xu and Wu Jing developed the invention.
The pat..
Pipe
| Wed 20 May 2026
Geneva, May 21 -- China Nat Offshore Oil Corporation China Co Ltd and Beijing Res Center Of Cnooc China Co Ltd have sought patent for Emergency Subsea Pipeline Unblocking System Capable of Rapid Sealed Docking. This invention was developed by Yao Haiyuan, Xie Zhenqiang, Luo Xiaoming, Liu Yongfei, Yang Bo, Li Dan, Cao Da, Li Yan,..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Zhangzhou Aimoli Furniture has filed a patent application for Pipe Laser Cutting Equipment. This invention was developed by Xu Xiaoli.
The patent application number is CN202511670725 20251114. The patent publication number is CN121373819 (A). International Patent Classification codes are B23K26/38, B23K26/70 ..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Foshan Huibaisheng Laser Technology has filed a patent application for Machining Method, Device and Equipment for Ultra-long Groove Cut Pipe and Storage Medium. This invention was developed by Liang Jiandong, Huang Sixin, Yang Hongjie, Yan Junyi, Zheng Changji, Ye Xiuta, Lian Zhenda, Luo Yongjie, Lin Zhe, Su W..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Xuancheng Xuanbang Intelligent Technology has filed a patent application for Laser Welding Equipment for Pipeline. This invention was developed by Zhang Zaofeng and Zhang Efeng.
The patent application number is CN202511912625 20251218. The patent publication number is CN121373779 (A). International Patent Cla..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Beijing Gas Group patent application for Welding Parameter Optimization Method and Device for Gas Pipeline. The invention was developed by Jin Qiang, Liu Hui, Wang Xin, Yan Xingcui, Zhang Haitao, Xu Wei, Zhang Haijun, Yang Zhenyun, Li Haishan, Wen Haili..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Sichuan Vocational College of Information Technology has applied Chinese patent for Bent Pipe Forming Machine and Forming Method Thereof. Wang Cuizhu, Pan Faxing, Yan Jiechun, Zhang Hong, Wang Xiaohu, Tang Weiyi, Li Feipeng and He Dongliang developed it.
The patent application number is CN202511958560 2025122..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Baotou Iron and Steel Group has applied Chinese patent for Shock Absorption and Noise Reduction Device and Method for Steel Pipe Saw Cutting. Zhang Baojun, Han Zhanhua, Sun Bin and Chen Xu developed it.
The patent application number is CN202511668280 20251114. The patent publication number is CN121373572 (A)...
Pipe
| Thu 21 May 2026
Beijing, May 21 -- Baotou Iron and Steel Group has applied Chinese patent for Method for Removing Tailings of Pipe Cutting Machine. Zhang Haiyan, Liu Guohui, Hu Haiqing, Wang Zenghai, Mi Yongfeng, Tian Wei, Ha Xin, Li Xiaomin, Fan Junjie, Yin Guile, Yang Jun, Huang Pengxiang, Li Jinlong and Li Jun developed it.
The patent appli..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released Sichuan Aerospace Changzheng Equip Manufacturing patent application for Large-diameter Thin-wall Pipe Fitting Bending Forming Method. This invention was developed by Yang Ruimeng, Liu Yan, Gao Peng, Yue Tao, Yuan Feng, Deng Chengxu, You Wenzhuo, Zhang Sh..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Zhongshan CLG Automation Equipment patent application for Pipe Bending Machine for Bending Coiled Pipe. Wu Huibin, Huang Weishun, Fan Xiaotong, Deng Xingjun and Feng Desi developed the invention.
The patent application number is CN202511681599 20251117...
Pipe
| Thu 21 May 2026
Beijing, May 21 -- CSIC Cruise Technology Development has applied Chinese patent for Cabin Spraying Main Pipe with U-shaped Water Seal and Using Method Thereof. Lu Ding, Li Fang, Niu Zhichun, Yang Meichen, Qi Hongkai, Yang Ke and Ye Hongcheng developed it.
The patent application number is CN202511888458 20251215. The patent pub..
Pipe
| Thu 21 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has received Shanghai Installation Engineering Group patent application for Self-adaptive Multi-section Hinged Type Large-diameter Pipeline Automatic Welding Machine Crawling Track. Cao Xiaocheng, Luo Zhiwei, Lu Jiahua, Zhu Jieke, Liu Xiaohan, Zhu Jinlin, Wu Zengqian..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Xiamen University has submitted a patent application for Front-back Linkage Type Multi-mode Variable-configuration Spray Pipe. This invention was developed by Mu Rui, Cai Changdong, Zhang Kairui and Pan Yanhong.
The patent application number is CN202511957434 20251223. The patent publication number is CN12137..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Hebei Huabei Diesel Engine has submitted a patent application for Dual Outboard Engine Exhaust and Smoke Exhaust Pipe Cooling System. This invention was developed by Lu Yang, Ma Xiaofeng, Yao Jiacheng, Shen Changle, Wei Zihan, Wang Yunfei, Xu Zhichen and Wang Yuxuan.
The patent application number is CN2025117..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has released Ocean University China patent application for Ocean Pipe Cable Repairing Operation Equipment. This invention was developed by Chen Xuguang, Wu Zhengqi, Duan Weixi, Yang Jihui, Du Wenbo, Wang Shuwei and Zhao Shuxin.
The patent application number is CN202..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Xinjiang Defeng Yisheng Petroleum Anticorrosion Engineering patent application for Process and Device for Processing Lining Oil Pipe Without Dismounting Coupling. The invention was developed by Wang Jianchun, Xu Wenzhong, Zhang Tao, Liu Dalu, Wang Lei a..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- State Intellectual Property Office of China has published Harbin FRP Institute patent application for Fiber-reinforced PE (polyethylene) Floating Pipe as Well as Preparation Method and Application Thereof. The invention was developed by Xie Tieqin, Zhang Yunfeng, Liu Xinyi, Su Yang, Yang Jinze and Liu Yongchun..
Pipe
| Thu 21 May 2026
Luxembourg, May 21 -- Xinyu University has been awarded a patent for Pipe Insulation Device for Solar Water Heater. This invention was developed by Xi Ying, Luo Yinqi, Liu Yulong, Huang Jianhua, Wang Fahui, Ouyang Kun and Huang Ping.
The patent application number is LU20250600269 20250218. The patent publication number is LU600..
Pipe
| Wed 20 May 2026
Beijing, May 21 -- Zhangjiagang Xiafei Plastic has applied Chinese patent for Automatic Pipe Feeding Process for Graded Extrusion and Cooperative Correction of Atomizing Nozzle Rubber Pipe. Xu Yuenian developed it.
The patent application number is CN202511863471 20251211. The patent publication number is CN121375089 (A). Intern..
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