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Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Zhejiang Yunzong Information Tech Co Ltd patent application for Method for Detecting Surface Cracks of Steel Rail. This invention was developed by Huang Xing, Yuan Yanjun, He Song, Xie Chuan, Lyu Honghui, Zhang Yonggang, Li Qingxiang, Li Fan, Zhang Wen..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Hunan Xunke Xuguang Tech Co Ltd has submitted a patent application for Variable-angle Guide Plate Structure for Fluorine-coated Steel Heat Exchanger. This invention was developed by Liu Pu, Zou Shuye, Liu Wei and Liu Haoliang.
The patent application number is CN202511303595 20250912. The patent publicatio..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- SVS Pump Valve Mfg Zhejiang Co Ltd has sought patent for Corrosion-resistant Stainless Steel Stop Valve. This invention was developed by Xia Xinmei, Jiang Yue, Wan Zhiliang, Fang Zhiwei and Kang Tongtong.
The patent application number is CN202511314783 20250915. The patent publication number is CN12096951..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Shen Haoyang patent application for Anti-seismic Steel Structure.
The patent application number is CN202511309132 20250915. The patent publication number is CN120968109 (A). International Patent Classification codes are E04B1/24, E04B1/58 and E04H9/..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Chengdu Zhengde Shangyi Arch Design Co Ltd has filed a patent application for Steel Structure Connecting Device. This invention was developed by Liu Wei.
The patent application number is CN202511175249 20250821. The patent publication number is CN120968107 (A). International Patent Classification codes ar..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Pioneer Elastic China Ltd has applied Chinese patent for Manufacturing Method of High-comfort Steel Ring Sleeve and Steel Ring Sleeve. Xie Yuanfen developed it.
The patent application number is CN20251109524 20250722. The patent publication number is CN120967569 (A). International Patent Classification co..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Electric Power Res Institute Guangdong Power Grid Corp has submitted a patent application for Corrosion-resistant Non-oriented Electrical Steel as Well as Preparation Method and Application Thereof. Huang Feng, Wang Zhong'ao, Nie Ming, Wang Linli, Liang Yongchun, Lyu Wangyan and Ye Feng developed the inventi..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baosteel Zhanjiang Iron & Steel Co Ltd has applied Chinese patent for Quality Improving Device and Method for Transverse Fine Line of Zinc-aluminum-magnesium Thin Coated Steel Plate. Meng Xianlu, Wang Junfei, Hong Changjun, Gao Zhize, Chen Honglie, Wang Yuguang and Yang Bing developed it.
The patent appli..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Central South University and Shenzhen Nonfemet Tech Co Ltd patent application for Preparation Method and Application of Stress Relaxation Resistant Copper-steel Composite Material. This invention was developed by Li Zhou, Zhang Ying, Qiu Wenting, Lei Q..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Baotou Iron and Steel Group patent application for Production Method for Strengthening and Toughening Performance of Maritime Work Steel. The invention was developed by Hui Zhiguo, Liang Zhengwei, Song Zhendong, Zhao Xiaomin, Wang Haiming, Liu Lijuan,..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Guizhou Minzu University, Guizhou Normal University and North China University of Science and Technology patent application for Carburizing Gear Steel and Preparation Method Thereof. This invention was developed by Yang Yinye, Gong Wei, Zhao Long, Zhou..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Jiangsu Weisheng New Material Tech Co Ltd patent application for Anti-deformation Self-adaptive Bracket System for Heat Treatment of Large Steel Plate. The invention was developed by Luo Ping.
The patent application number is CN202511494155 2025102..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Bengang Steel Plates has filed a patent application for Method for Producing Green Ultralow-nitrogen Bearing Steel by Ecological Electric Furnace and Ultralow-nitrogen Bearing Steel Thereof. This invention was developed by Wang Deyong, Qi Rui, Lu Bingjun, Song Tiepeng, Xiong Hongjin, Zhang Yu and Xu Pei.
..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- WISDRI Engineering & Research Incorporation has submitted a patent application for Steel Scrap Preheating Device, Electric Furnace Steel Scrap Feeding System and Electric Furnace Steel Scrap Preheating Method. This invention was developed by Wei Qiang, Xiao Zhipeng, Song Xiaoyan, Xu Yongbin, Cheng Jianming, ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Central South University and Panzhihua Iron & Steel Research Institute, Pangang Group patent application for Process for Improving Low-temperature Reduction Degradation of Oxidized Pellets. Wang Shuai, Chen Feng, Chen Mao, Guo Yufeng, Yang Lingzhi, Li ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Chaohu Jinye Electric Machinery Co Ltd has applied Chinese patent for Cable Steel Tape Armoring Machine with Feeding Mechanism. Huang Shilai and Gao Wanjun developed it.
The patent application number is CN202511319693 20250916. The patent publication number is CN120977698 (A). International Patent Classif..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Taiyuan Heavy Industry Engineering Technology patent application for Seamless Steel Tube Production Line Roller Full Life Cycle Intelligent Management System and Method. This invention was developed by Li Xiuling, Yan Wenxiu, Han Jianyuan, Li Guo, Wang..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Zhejiang Zhicheng Steel Structure patent application for Intelligent Monitoring System for Prestressed Suspended Dome Steel Structure. This invention was developed by Shao Ping, Cai Weijing, Wong Alfred Y and Li Yiqun.
The patent application number is..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Longyan Huifeng Industry and Trade patent application for Hoop Connecting Device for Fixing Steel Structure. This invention was developed by Wang Ying, Wang Jinghui, Shen Fang, Zhan Fangjian, Liu Xiaogui, Xiao Hua, Huang Jinfa, Shen Shouchang, Peng Liw..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Heilongjiang Transport Planning and Design Institute Group and Dalian University of Technology patent application for Device for Improving Bearing Capacity of Ice Cover by Adopting Continuous Steel Cables and Using Method of Device. This invention was ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Chengdu Shikewei Xinchuang Electromechanical Tech Co Ltd patent application for Steel Rail Piece Grinding Head Structure Based on Air Cooling. Li Chen and Long Zuohong developed the invention.
The patent application number is CN202511117609 20250811..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Henan Qiangli Machinery Co Ltd patent application for Portable Single-rail Operation Steel Rail Grinding Machine. Zhai Guochao, Zhai Guoxing and Zhai Mingyan developed the invention.
The patent application number is CN202511116812 20250811. The pate..
Steel
| Mon 30 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has released Anhui Jiuhuan Heavy Industry Tech Co Ltd patent application for Risk Assessment Method Based on Steel Structure Grid. This invention was developed by Li Xiaofei, Xu Chao, Zhang Zhipan and Zhang Haiyun.
The patent application number is CN20251180510 ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Grid Jiangsu Electric Power Design Consultation Co Ltd, Xuzhou Survey And Design Branch Company State Grid Jiangsu Electric Power Design Consulting Co Ltd and State Grid Jiangsu Economic Research Institute have submitted a patent application for Steel Tube Tower Wind Load Monitoring and Early Warning M..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Hefei University of Technology and Anhui Construction Engineering Group have filed a patent application for Method and System for Evaluating and Detecting Welding Quality of Steel Structural Component. This invention was developed by Li Yougui, Wang Lei, Wang Qingsong, Zhao Geng, Li Dong, Yang Xianzhi, Wang ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Hegang Leting Steel, Tangshan Iron & Steel Group and Tangshan Branch HBIS have submitted a patent application for Testing Device and Measuring Method for Percentage Elongation After Fracture in Tensile Test. This invention was developed by Li Xinghua, Ma Guangzong, Li Zheng, Wang Yuhui, Zhou Wen, Du Jiarui, ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Zhejiang College Construction and Zhejiang Zhongnan Green Construction Technology Group have applied Chinese patent for Temporary Supporting Device for Outer Ring Arc-shaped Steel Column and Steel Column Mounting Method. Zhu Qunhong, Chen Zhiwei, Guo Lixiang, Yu Keliang, Huang Wenqi and Zhong Weijie develope..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- CCCC Second Harbour Engineering and Hubei Communications Invest Shuangliu Yangtze River Bridge Co Ltd have sought patent for Construction Method and System for Blocked Reinforcing Steel Bar Component Horizontally Matched with Closed Stirrup and Main Reinforcing Steel Bar. This invention was developed by Chen..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Northeastern University, Hunan Iron and Steel Group Technology Research Institute and Hunan Iron & Steel Group Co Ltd have filed a patent application for 2300mpa-grade High-strength Steel with Excellent Low-temperature Toughness and Preparation Method of 2300mpa-grade High-strength Steel. This invention was ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Panzhihua Iron & Steel Research Institute, Pangang Group and Panzhihua Steel & Vanadium have submitted a patent application for Hot-rolled Weather-resistant Steel Plate for Road Guardrail and Preparation Method Thereof. This invention was developed by Cui Kaiyu, Lee Jung Young, Li Chaowei, Liu Fugui, Wang Ch..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Guizhou Normal University, North China University of Science and Technology, Guizhou Minzu University and Shougang Shuicheng Iron & Steel Group have submitted a patent application for Method for Fiberizing Mns Inclusions in Free-cutting Steel and Free-cutting Steel. This invention was developed by Gong Wei, ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Central South University and Panzhihua Iron & Steel Research Institute, Pangang Group have applied Chinese patent for Method for Improving Hydrogen-rich Reduction Degradation of Vanadium Titano-magnetite Pellets. Chen Feng, Wang Shuai, Chen Mao, Guo Yufeng, Yang Lingzhi, Li Hao, Wen Yuekai and Li Dongyue dev..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Angang Steel patent application for Method Capable of Accurately Measuring Thickness of Casting Powder Liquid Slag Layer in Crystallizer. Lyu Chunfeng, Lin Yang, Teng Xingze, Chen Zhiwei, Jia Jixiang, Wang Haiwei, Yang Xin, Zhang Weiwei and Li Dejun de..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Shandong Iron and Steel Group Yongfeng Lingang has sought patent for Blast Furnace High-strength Smelting Energy-saving Device and Using Method Thereof. This invention was developed by Hu Gaofei, Tian Long, Su Dan, Zhang Song, Liu Qiang, Liu Lisheng and Fang Chengliang.
The patent application number is CN20..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- Signode Industry Group has submitted a patent application for Steel Strapping and Methods of Use. This invention was developed by Razak Raseem.
The patent application number is WO2025US46751 20250917. The patent publication number is WO2026064382 (A1). International Patent Classification codes are B65D63/02 ..
Steel
| Mon 30 Mar 2026
Beijing, March 31 -- Southeast University has submitted a patent application for Nonlinear Calculation Method for Integral Fire Endurance Analysis of Plane Steel Frame Structure. This invention was developed by Tang Yiqun, Xu Fan and Du Erfeng.
The patent application number is CN202510908425 20250702. The patent publication num..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Angang Steel patent application for Hydraulic System Oil Leakage Monitoring Method. The invention was developed by Zhang Hai'an, Zheng Yingjie, He Shiguo, Wang Haifeng, Xu Peng, Wang Bingfeng, Cong Liancheng, Li Jingsong, Shi Yingming and Wang Yu.
Th..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Henan Diesel Engine Industry has submitted a patent application for Lubricating Structure of Highly Strengthened Steel Piston of Engine. This invention was developed by Wang Liming, Sun Siyue and Zhang Fengrui.
The patent application number is CN202511297885 20250911. The patent publication number is CN1209..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Anhui Jinpeng Energy Saving Technology has submitted a patent application for Steel Profile Frame and Connection Structure. Wu Xinyong and Zhou Yang developed the invention.
The patent application number is CN202511367928 20250924. The patent publication number is CN120968397 (A). International Patent Class..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has received POSCO patent application for Asymmetric Rolling Apparatus and Rolling Method. Lee Gyootaek, Choi Kanghyouk and Roh Yonghoon developed the invention.
The patent application number is WO2025KR13868 20250908. The patent publication number is WO2026063671 (A1..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has received POSCO patent application for Asymmetric Rolling Apparatus and Rolling Method. Lee Gyootaek, Choi Kanghyouk and Roh Yonghoon developed the invention.
The patent application number is WO2025KR13864 20250908. The patent publication number is WO2026063670 (A1..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- POSCO Mobility Solution has filed a patent application for Method for Manufacturing Laminated Core. This invention was developed by Lee Byeongkwan, Woo Dukkyoun, Chi Junggyu, Park Changdon, Chae Subeom, Hong Igyeong, Lee Jeongil, Lee Yagob, Kim Yeeun, Seo Seongmin, Kang Taeho and Yu Kihwan.
The patent applic..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has received Nippon Steel Chemical & Materials patent application for Active Ester Resin, Production Method Therefor, Epoxy Resin Composition, Cured Object of Epoxy Resin Composition, Prepreg, Resin Sheet, Laminate, and Material for Circuit Board. Soh Masahiro develope..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has received JFE Steel patent application for Method for Predicting Cracks in Cast Product, Method for Manufacturing Steel Sheet, and Device for Predicting Cracks in Cast Product. Morita Shugo, Tsuzumi Kenji, Hirata Kotaro and Nakamura Keisuke developed the invention.
..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has published JFE Steel patent application for Molten Iron Refining Method. The invention was developed by Matsumoto Masato and Inoue Shuta.
The patent application number is WO2025JP31091 20250903. The patent publication number is WO2026063206 (A1). International Pate..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- JFE Steel has sought patent for High-strength Steel Sheet and Method for Producing Same. This invention was developed by Zukeran Kotomi, Wada Yusuke and Yoshitomi Hiromi.
The patent application number is WO2025JP30544 20250829. The patent publication number is WO2026063174 (A1). International Patent Classifi..
Steel
| Tue 31 Mar 2026
Geneva, March 31 -- ThyssenKrupp Steel Europe AG has submitted a patent application for Method for Producing a Surface-treated Flat Steel Product Provided with a Protective Coating, Strip Processing System, and Use of a Raman Spectrometer. This invention was developed by Ohagen Paula, Janssen Stella, Bode Melanie and Schulz Jenn..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Powerchina Huadong Engineering Corporation patent application for Intelligent Tensioning and Maintaining Device for External Prestress Steel Strand of Mixed Tower Body and Using Method of Intelligent Tensioning and Maintaining Device. The invention wa..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received China Construction Steel Structure patent application for Steel Beam Fireproof Structure and Mounting Method. Cheng Cheng, Tian Kaipei, Liu Wanli, Chen Zhenming, Wang Xiaoyang and Wu Hongming developed the invention.
The patent application number is C..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Beijing Urban Construction Group patent application for Anti-seismic Steel Structure Beam. The invention was developed by Zheng Huaigang, He Haifeng, Ma Le, Zou Haoran, Zhang Qingdong, Jiang Weiwei, Li Duo, Liu Runzhi, Li Yongdeng and Wu Chuande.
The..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- China First Metallurgical Group has sought patent for Wet Joint Reinforcing Steel Bar Bundle Pulling Device. This invention was developed by Su Hai, Lan Dongdong and Tian Maogui.
The patent application number is CN202511335038 20250918. The patent publication number is CN120967824 (A). International Patent ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baotou Iron and Steel Group has submitted a patent application for Production Method for Improving Wear Resistance of Gear Steel. This invention was developed by Hui Zhiguo, Liang Zhengwei, Song Zhendong, Zhao Xiaomin, Liu Lijuan, Zhang Xiaochen, Li Xuedong and Shi Wenyi.
The patent application number is CN..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baoshan Iron & Steel has submitted a patent application for High-temperature Carburizing Steel and Manufacturing Method Thereof. This invention was developed by Zhao Sixin and Gao Jiaqiang.
The patent application number is CN202410616817 20240517. The patent publication number is CN120967254 (A). Internatio..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Maanshan Iron & Steel has applied Chinese patent for Steel for Seamless Tube Core Rod in High-toughness Medium-high Temperature Interval, Seamless Tube Core Rod Produced by Steel and Heat Treatment Process. Wang Zimin, Yin Defu, Hu Fangzhong, Zhang Xiaorui, Wang Shun, Ding Lei, Zhuang Zhen and Wu Lin develop..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Hebei Jingye Kuanban Technology patent application for Weathering Resistant Steel for Structure and Preparation Method of Weathering Resistant Steel. Du Yajie, Yang Chunlei, Dong Tingliang, Lu Zaixue, Yan Zonggen, Zhao Xiaomeng, Chen Wenxing, Xi Nana, ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- North China University of Science and Technology has submitted a patent application for Short-process Long-aging Ultra-low Carbon Bake-hardening Steel and Production Method Thereof. This invention was developed by Liu Guolong, Feng Yunli, Yang Zhinan, Liu Shuai, Feng Xiaoyong and Zhang Fucheng.
The patent a..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Bengang Steel Plates has sought patent for Steel with Yield Strength of 700mpa for Cold-formed High-fatigue Axle Housing and Preparation Method of Steel. This invention was developed by Ma Siyuan, Zhou Zhongqi, Miao Jun, Liu Zhipu, Gong Zhen, Zhou Yanfeng, Yu Yingying, Xu Xueli and Wu Gang.
The patent appli..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Zhejiang Jiuli Hi-Technology Metals patent application for Duplex Stainless Steel as Well as Preparation Method and Application Thereof. The invention was developed by Zhong Qiang, Qian Jiong, Sun Wenqiang, Shen Weijie, Du Lei, Wang Shaobing, Zhang Ji..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Wuhan Iron and Steel patent application for CSP Production Line 900mpa-grade Hot-rolled High-strength Steel and Manufacturing Method Thereof. Xiong Fei, Liu Bin, Du Ming, Song Chang, Zhao Jiangtao, Feng Jia, Tao Si and Chen Shangbo developed the invent..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baotou Iron and Steel Group has sought patent for Production Method of 2-3mm High-strength Weathering Steel. This invention was developed by Yang Yuanyuan, Lu Bin, Dong Lei, Zhang Litong, Sun Mengchen and Shi Wenyi.
The patent application number is CN20251119083 20250723. The patent publication number is CN..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Nanjing Iron and Steel has applied Chinese patent for Production Method of High-strength 5ni Steel for Low-temperature Container Serving At-140 Deg C. Xie Zhanglong, Qiao Mingliang, Wu Zhengyang, Wu Junping, Hong Jun, Yin Jie and Xi Lianyun developed it.
The patent application number is CN202510439548 20250..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Angang Steel patent application for High-conductivity Ultra-low Carbon Steel Wire Rod and Preparation Method Thereof. An Huizhu, Liu Xiang, Xu Xi, Liu Mingjun, Gao Hang, Shang Junnan, Sun Haobo, Wang Hongliang, Yang Yingqiang and Li Jianlong developed ..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Shandong Iron and Steel Group Yongfeng Lingang has submitted a patent application for Hot-rolled Steel Bar Microalloying Method Based on Silicon-manganese Alloy. Zhang Kun, Yang Rongfeng, Sun Junzhao, Feng Zhongxian and Lei Yanyan developed the invention.
The patent application number is CN202511177231 2025..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Hunan Valin Xiangtan Iron & Steel has filed a patent application for Production Method of 12.9-grade Cold Forging Steel for Automobiles. This invention was developed by Yu Gang, Pan Xiquan, Liu Jian, Luo Weiguo, Zhou Guozi, Luo Xiao, Yuan Lin and Yuan Yuan.
The patent application number is CN202511159291 20..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has received Panzhihua Iron & Steel Research Institute, Pangang Group patent application for Additive for Improving Performance of Vanadium-titanium Sinter and Preparation Method and Application Thereof. Li Zhiqiao, Hao Jianzhang, Li Lin and Ren Yanli developed the..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Shanxi Taigang Stainless Steel has submitted a patent application for Smelting Method of High-manganese High-aluminum Low-density Steel. Ma Youguang, Zhang Zhibo and Fu Peimao developed the invention.
The patent application number is CN202511168970 20250820. The patent publication number is CN120967105 (A)...
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baotou Iron and Steel Group has submitted a patent application for Smelting Method for Improving Hardness of Standard Strength Steel Rail. This invention was developed by Zhao Guiying, Bian Ying, Xue Hudong, Wen Haoran and Hao Lei.
The patent application number is CN20251130237 20250725. The patent publicat..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Baotou Iron and Steel Group patent application for Smelting Method of High-cleanliness Gear Steel. The invention was developed by Hui Zhiguo, Liang Zhengwei, Song Zhendong, Zhao Xiaomin, Liu Lijuan, Zhang Xiaochen and Shi Wenyi.
The patent applicatio..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has released Nippon Steel patent application for Flux and Method for Manufacturing Welded Joint. This invention was developed by Matsuo Hajime, Tachibana Hayato and Kamo Takahiro.
The patent application number is WO2025JP32416 20250912. The patent publication number i..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has released JFE Steel patent application for Solid Wire for Arc Welding. This invention was developed by Watanabe Kazufumi, Izumi Daichi, Takada Atsushi, Ando Akiyoshi and Ueda Keiji.
The patent application number is WO2025JP32098 20250911. The patent publication num..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- JFE Steel has applied WIPO patent for High-strength Hot-rolled Steel Sheet and Method for Manufacturing Same. Kawazome Kohei, Hasegawa Hiroshi and Matsuda Hiroshi developed it.
The patent application number is WO2025JP28735 20250814. The patent publication number is WO2026063105 (A1). International Patent Cl..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- Nippon Steel has applied WIPO patent for Flux-cored Wire and Method for Manufacturing Welded Joint. Matsuo Hajime, Tachibana Hayato and Kamo Takahiro developed it.
The patent application number is WO2025JP28392 20250808. The patent publication number is WO2026063099 (A1). International Patent Classification ..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- World Intellectual Property Organization has received Nippon Steel patent application for Steel Sheet and Component Including Same. Murata Shinichi, Yasutomi Takashi, Sakurada Eisaku and Midorikawa Kazuma developed the invention.
The patent application number is WO2025JP28140 20250807. The patent publication..
Steel
| Mon 30 Mar 2026
Geneva, March 31 -- JFE Steel has submitted a patent application for Battery-pack Enclosure and Method for Producing Battery-pack Enclosure. Tokita Yuichi developed the invention.
The patent application number is WO2025JP28088 20250807. The patent publication number is WO2026063089 (A1). International Patent Classification co..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Southeast University has sought patent for Push-out Test Device and Method for Shear Nails in Hogging Moment Area of Corrugated Steel Web Box Girder. This invention was developed by Wan Shui, Li Shuli, Lin Wanqi, Zhu Yingbo, Niu Chuantong, Huang Muyun, Wu Jinpeng, Su Qiang and Xu Haotian.
The patent applica..
Steel
| Tue 31 Mar 2026
Geneva, March 31 -- Shougang Group has sought patent for Coated Steel, Manufacturing Method Therefor, Steel Part, Manufacturing Method Therefor and Use Thereof. This invention was developed by Xu Dechao, Zhu Guosen, Zhang Boming, Teng Huaxiang, Li Xuetao, Han Yun, Jiang Jun, Ma Wenyu, Han Zhigang, Zhang Xiaofeng, Zheng Xuebin, S..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- State Intellectual Property Office of China has published Sinohydro Bureau 14 patent application for Temporary Plugging Device for Water Closing Test of Large-span Arc-shaped Steel Gate. The invention was developed by Lei Jianguo, Zhang Xingwang, Tan Jianguo, Wang Xiangsen, Cui Long, Zhang Shuai, Shu Kaishun..
Steel
| Tue 31 Mar 2026
Beijing, March 31 -- Baoshan Iron & Steel has submitted a patent application for Sampling Device, Sampling Probe and Sampling Method. This invention was developed by Wu Ruimin, Ye Changhong, Ding Ye, Sun Xinghong and Shen Chen.
The patent application number is CN202410599140 20240515. The patent publication number is CN12097107..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Shanghai Lingang Shipbuilding Equipment Ltd Corp CSSC and Shipbuilding Technology Research Institute The 11th Research Institute of China State Shipbuilding Corpora have applied Chinese patent for Steel Plate Turnover Device and Method. Li Wei, Yu Jinwei, Pan Huijun, Yang Shuai, Wang Xu, Yu Liuhua and Han Yu..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Baosteel Zhanjiang Iron & Steel Co Ltd and Baoshan Iron & Steel have submitted a patent application for Target Strip Shape Dynamic Feedback Adjustment Method. This invention was developed by Ye Xuewei, Chen Jun, Qu Peilei, Wu Changsheng, Wang Yuguang and Ou Rongfeng.
The patent application number is CN202..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Changshu Longteng New Energy Equipment Tech Co Ltd and Changshu Longteng Special Steel have filed a patent application for Cross Straightening Anti-buckling Process for Needle-shaped Ferrite Steel Plate and Process Production Line Thereof. This invention was developed by Gao Deping, Xie Fuqiang and Su Kefeng..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Beijing Shougang; Qianan Iron and Steel Company Of Shougang Corp and Shougang Group have submitted a patent application for Method for Overcoming Broken Edge Defect of High-aluminum High-strength Steel. This invention was developed by Jiao Huili, Gong Jian, Ni Youjin, Pei Xingwei, Wu Qiaoling, Yang Yingying,..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Hebei Iron & Steel Group Mining and North China University of Science and Technology have submitted a patent application for Comprehensive Recovery Method for Valuable Elements in Vanadium Titano-magnetite Tailings. This invention was developed by Wu Chuntao, Han Ming, Li Wantao, Lai Youbang, Li Yinggang, Fa..
Steel
| Mon 30 Mar 2026
Alexandria, March 30 -- U.S. Patent and Trademark Office has published Gizmatic LLC patent application for Multi-ply Cookware with Carbon Steel Cooking Surface Layer. The invention was developed by Vatis William and Kearns Katie.
The patent application number is US202418894057 20240924. The patent publication number is US2026..
Steel
| Mon 30 Mar 2026
Beijing, March 30 -- Panzhihua Iron & Steel Research Institute, Pangang Group has filed a patent application for Method for Preparing Magnesium-based Flue Gas Desulfurizer by Using Fused Salt Chlorination Slag. This invention was developed by Yu Yuntao, Wang Jianshan, Zhang Xiaolong and Zhang Heng.
The patent application number..
Steel
| Mon 30 Mar 2026
Beijing, March 30 -- Shandong Iron & Steel has applied Chinese patent for Physical Desulfurization Device and Method for Flue Gas of Crude Benzene Hydrogenation Gas-fired Boiler. Wang Cheng, Huang Xianguo, Jiang Jian, Li Zhong and Huang Jinyu developed it.
The patent application number is CN202511162465 20250819. The patent pub..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Shanghai Zhirong Ind Equipment Co Ltd has filed a patent application for Mechanical-metallurgical Composite Connection Method for Light Alloy-multilayer Steel Plate Structure. This invention was developed by Chen Ruiming, Lei Haiyang, Wang Xiaojie and Hu Wei.
The patent application number is CN20251137430..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- AECC Guizhou Honglin Aviation Power Control Tech Co Ltd has sought patent for Preparation Method of Martensitic Stainless Steel Slide Valve with Large Length-diameter Ratio. This invention was developed by Wang Lingling, Yang Yihao, Cao Shangwu, Yang Haowen, Ao Shenhai, Luo Xiongliang and Shang Yi.
The pa..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- LYSTEEL has filed a patent application for Manufacturing Method of Ultrahigh-strength Wheel Steel Ring. This invention was developed by Zeng Weimin, Deng Birong, Zhang Yonglin, Liang Liang, Xiong Weiliang, Liu Ning and Xie Guanghui.
The patent application number is CN202511203705 20250826. The patent public..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Anhui Yining Steel Structure Co Ltd has sought patent for Steel Structure Butt Welding Mechanism. This invention was developed by Qin Kai and Qin Shuoyang.
The patent application number is CN202511248944 20250903. The patent publication number is CN120962246 (A). International Patent Classification code i..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Shengyue Steel Structure Binzhou Co Ltd has sought patent for Steel Structure Workpiece Butt Welding Device. This invention was developed by Cao Zhenyu.
The patent application number is CN202511270531 20250908. The patent publication number is CN120962215 (A). International Patent Classification codes are..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Hubei Annaide Building System Co Ltd has submitted a patent application for Steel Member Preheating Welding Device and Welding Method. This invention was developed by Zheng Haohuang, Tong Jingsong and Zhao Junchong.
The patent application number is CN202511111950 20250808. The patent publication number is..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- State Intellectual Property Office of China has received Kailu Group Co Ltd patent application for Welding Device for Workshop Steel Structure Splicing. He Hui and Zhao Chengkai developed the invention.
The patent application number is CN202511109169 20250808. The patent publication number is CN120962190 ..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Maanshan Chenxu Machinery Mfg Co Ltd has applied Chinese patent for Annealing and Polishing Device for 40cr Steel Forgings. Cheng Kai, Shi Liping and Yan Xiaoyan developed it.
The patent application number is CN202511158820 20250819. The patent publication number is CN120962498 (A). International Patent C..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Henan Dingli Civil Defense Equipment has submitted a patent application for Multidirectional Rotary Positioning Platform Device for Assembling Door Leaf Steel Frame. Zhang Zhen, Li Teng, Li Huijun, Wu Di, Zhang Xiaoqiang, Cui Pengfei, Dai Guangtao, Li Wenping, Wang Huijie and Yuan Jinshuai developed the inve..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Hefei Hengtai Construction Machinery has sought patent for Integrated Steel Plate Bending and Trepanning Equipment. This invention was developed by Wu Zheng, Yin Kejian, Wang Cunjian, Tang Chaoyang, Chen Jipeng, Wang Wenlong and Wu Zhengce.
The patent application number is CN202511160785 20250819. The paten..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- State Intellectual Property Office of China has received Baoshan Iron & Steel patent application for Spot Welding Method for Aluminum Alloy Material Based on Cooperative Control of Pressure and Current and Aluminum Alloy Welding Part. Yang Bingxin, Zhang Wen, Tan Diwen and Lu Xu developed the invention.
The..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Ningbo Construction Engineering Group has applied Chinese patent for High-altitude Steel Structure Welding Windshield and Welding Method. Jiang Yi, He Weiwei, Sun Yao, Xu Guohua, Guo Zhenqi, Dai Zhangqian, Wang Xu, Maruda, Ruan Wenfeng, Jin Yihong and Dong Gang developed it.
The patent application number is..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- State Intellectual Property Office of China has released Dongtai Hengxin Prec Casting Co Ltd patent application for Electric Arc Welding Mechanism for Stainless Steel Clamp. This invention was developed by Cheng Zuqiang, Luo Jiangwei and Cheng Rongzhen.
The patent application number is CN202511258696 2025..
Steel
| Sun 29 Mar 2026
Beijing, March 30 -- Nantong Haocheng Steel Structure Eng Co Ltd has submitted a patent application for Steel Structure Machining Bending Machine and Bending Method Thereof. Zhang Huizhong developed the invention.
The patent application number is CN202511480970 20251016. The patent publication number is CN120961689 (A). Inter..
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