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Ferrous alloys
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C22C38/28
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Patents Grants
last 30 patents
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Patent Grant
Zinc plated steel sheet having excellent fatigue strength of electr...
Patent number
11,981,973
Issue date
May 14, 2024
Posco
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing hot-rolled steel sheet and method for producin...
Patent number
11,965,222
Issue date
Apr 23, 2024
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material to be starting material of carbonitrided bearing com...
Patent number
11,965,231
Issue date
Apr 23, 2024
Nippon Steel Corporation
Yutaka Neishi
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
Patent number
11,959,177
Issue date
Apr 16, 2024
JFE Steel Corporation
Masayuki Kasai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-Mn steel and method of producing same
Patent number
11,959,157
Issue date
Apr 16, 2024
JFE Steel Corporation
Daichi Izumi
C21 - METALLURGY OF IRON
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Patent Grant
Method of forming and heat treating coiled tubing
Patent number
11,952,648
Issue date
Apr 9, 2024
Tenaris Coiled Tubes, LLC
Martin Valdez
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel and ferritic stainless steel pipe with imp...
Patent number
11,946,125
Issue date
Apr 2, 2024
POSCO Co., Ltd
Kye-Man Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a welded steel blank and associated welded blank
Patent number
11,945,503
Issue date
Apr 2, 2024
Arcelormittal
Cristian Alvarez
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,948,711
Issue date
Apr 2, 2024
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing hot-rolled steel sheet, method for producing c...
Patent number
11,939,640
Issue date
Mar 26, 2024
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a hot-stamped part
Patent number
11,938,530
Issue date
Mar 26, 2024
Hyundai Steel Company
Je Youl Kong
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
Patent number
11,939,639
Issue date
Mar 26, 2024
POSCO Co., Ltd
Hwan-Goo Seong
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a hot-stamped part
Patent number
11,931,785
Issue date
Mar 19, 2024
Hyundai Steel Company
Je Youl Kong
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing a hot-stamped part
Patent number
11,931,786
Issue date
Mar 19, 2024
Hyundai Steel Company
Je Youl Kong
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High-strength cold-rolled steel sheet and method for manufacturing...
Patent number
11,926,881
Issue date
Mar 12, 2024
JFE Steel Corporation
Yuji Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength and high formability steel sheet and manufacturing me...
Patent number
11,920,208
Issue date
Mar 5, 2024
Arcelormittal
Coralie Jung
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Stainless steel for fuel cell separator plate and manufacturing met...
Patent number
11,923,580
Issue date
Mar 5, 2024
POSCO CO., LTD
Kwang Min Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,913,087
Issue date
Feb 27, 2024
JFE Steel Corporation
Fusae Shiimori
C21 - METALLURGY OF IRON
Information
Patent Grant
Pipe element for gas pressure vessel, and gas pressure vessel
Patent number
11,913,101
Issue date
Feb 27, 2024
Benteler Steel/Tube GmbH
Wigbert Christophliemke
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Seamless steel pipe suitable for use in sour environment
Patent number
11,905,580
Issue date
Feb 20, 2024
Nippon Steel Corporation
Hiroki Kamitani
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-stamped article
Patent number
11,905,581
Issue date
Feb 20, 2024
Nippon Steel Corporation
Yuji Sakiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacturing method of aluminum-based alloy plated steel
Patent number
11,904,572
Issue date
Feb 20, 2024
POSCO Co., Ltd
Jin-Keun Oh
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Grant
Hot press-formed part, and manufacturing method thereof
Patent number
11,897,014
Issue date
Feb 13, 2024
POSCO Co., Ltd
Seong-Woo Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel material suitable for use in sour environment
Patent number
11,891,680
Issue date
Feb 6, 2024
Nippon Steel Corporation
Yohei Otome
C21 - METALLURGY OF IRON
Information
Patent Grant
Soft magnetic powder, powder magnetic core, magnetic element, and e...
Patent number
11,894,168
Issue date
Feb 6, 2024
Seiko Epson Corporation
Yasuko Kudo
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High-strength multiphase tinned steel raw plate and manufacturing m...
Patent number
11,891,674
Issue date
Feb 6, 2024
Baoshan Iron & Steel Co., Ltd.
Fuliang Lian
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-stamping formed body
Patent number
11,884,989
Issue date
Jan 30, 2024
Nippon Steel Corporation
Daisuke Maeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Directionally solidified high-boron and high-vanadium high-speed st...
Patent number
11,878,344
Issue date
Jan 23, 2024
Xi'an Jiaotong University
Shengqiang Ma
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel sheet and method of manufacturing the same
Patent number
11,866,800
Issue date
Jan 9, 2024
Nippon Steel Corporation
Hiroyuki Kawata
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet having excellent expandability and method fo...
Patent number
11,851,727
Issue date
Dec 26, 2023
POSCO Co., Ltd
Hyun-Taek Na
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Patents Applications
last 30 patents
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240158881
Publication date
May 16, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20240158882
Publication date
May 16, 2024
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING STEEL SHEET, AND METH...
Publication number
20240158883
Publication date
May 16, 2024
JFE STEEL CORPORATION
Shimpei Yoshioka
C21 - METALLURGY OF IRON
Information
Patent Application
MATERIAL AND PROCESS FOR MANUFACTURING OF METAL PARTS WITH LOW DENS...
Publication number
20240158897
Publication date
May 16, 2024
BASF SE
Guan HUANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20240150863
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Katsuya NAKANO
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANIZED STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240150864
Publication date
May 9, 2024
JFE STEEL CORPORATION
Satoshi MAEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240153684
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL POWDER AND A METHOD OF PRODUCING SUCH A POWDER
Publication number
20240150879
Publication date
May 9, 2024
SANDVIK MACHINING SOLUTIONS AB
Eleonora BETTINI
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
MARTENSITTC STEEL AND METHOD OF MANUFACTURING A MARTENSITIC STEEL
Publication number
20240141465
Publication date
May 2, 2024
VILLARES METALS S.A.
Alexandre BELLEGARD FARINA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND WELDED JOINT
Publication number
20240141467
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240141452
Publication date
May 2, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA HIGH STRENGTH STEEL SHEET HAVING HIGH YIELD RATIO AND EXCELLE...
Publication number
20240141454
Publication date
May 2, 2024
Sang-Hyun KIM
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FABRICATING A NITROGENOUS STEEL MATERIAL
Publication number
20240139812
Publication date
May 2, 2024
Agency for Science, Technology and Research
Baisong CHENG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT-STAMP FORMED BODY
Publication number
20240133007
Publication date
Apr 25, 2024
NIPPON STEEL CORPORATION
Shingo FUJINAKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132987
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
IRON ALLOYS
Publication number
20240133004
Publication date
Apr 25, 2024
Kevin Laws
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132986
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-STAMPING FORMED BODY
Publication number
20240117477
Publication date
Apr 11, 2024
NIPPON STEEL CORPORATION
Kodai MURASAWA
C21 - METALLURGY OF IRON
Information
Patent Application
CHROMIUM STEEL HAVING EXCELLENT HIGH-TEMPERATURE OXIDATION RESISTAN...
Publication number
20240102136
Publication date
Mar 28, 2024
POSCO
Hyun-Je Sung
C21 - METALLURGY OF IRON
Information
Patent Application
Coated steel sheet and high strength press hardened steel part and...
Publication number
20240102138
Publication date
Mar 28, 2024
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
A HYDROGEN EMBRITTLEMENT RESISTANCE COATED STEEL
Publication number
20240102121
Publication date
Mar 28, 2024
ARCELORMITTAL
Loretta BOCK
C21 - METALLURGY OF IRON
Information
Patent Application
ALUMINUM PLATED STEEL SHEET, THERMOFORMED COMPONENT, AND MANUFACTUR...
Publication number
20240093342
Publication date
Mar 21, 2024
Baoshan Iron & Steel Co., Ltd
Ning TAN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR HEAT-TREATING BORON STEEL, AND BORON STEEL WITH HIGH STR...
Publication number
20240084432
Publication date
Mar 14, 2024
JIANGSU UNIVERSITY
Yulin JU
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET
Publication number
20240084427
Publication date
Mar 14, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-PRESSED MEMBER, COATED MEMBER, STEEL SHEET FOR HOT PRESSING, ME...
Publication number
20240076757
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Rinta Sato
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240068065
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR PIPE HAVING EXCELLENT HYDROGEN-INDUCED CRACK RESIST...
Publication number
20240052450
Publication date
Feb 15, 2024
POSCO Co., Ltd
Kyung-Min NOH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ULTRA-HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT YIELD...
Publication number
20240052468
Publication date
Feb 15, 2024
POSCO CO., LTD.
Jong-Pan KONG
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-DIPPED GALVANIZED STEEL SHEET HAVING EXCELLENT SU...
Publication number
20240052472
Publication date
Feb 15, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C21 - METALLURGY OF IRON