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C21D6/002
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C
CHEMISTRY METALLURGY
C21
Iron metallurgy
C21D
MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS MAKING METAL MALLEABLE BY DECARBURISATION, TEMPERING OR OTHER TREATMENTS
C21D6/00
Heat treatment of ferrous alloys
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C21D6/002
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Patents Grants
last 30 patents
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,970,758
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Shuto
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
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
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 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
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
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
Method of manufacturing hot press-formed member having excellent pr...
Patent number
11,919,062
Issue date
Mar 5, 2024
POSCO Co., Ltd
Hong Gee Kim
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
Wire rod for cold heading, processed product using same, and manufa...
Patent number
11,905,571
Issue date
Feb 20, 2024
POSCO Co., Ltd
Byung-In Jung
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Hot-stamp-molded article
Patent number
11,904,573
Issue date
Feb 20, 2024
Nippon Steel Corporation
Yuji Sakiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Material for hot stamping and method for manufacturing the same
Patent number
11,898,218
Issue date
Feb 13, 2024
Hyundai Steel Company
Nu Ri Shin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Spring steel wire
Patent number
11,892,048
Issue date
Feb 6, 2024
Sumitomo Electric Industries, Ltd.
Hiromu Izumida
C21 - METALLURGY OF IRON
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
Galvannealed steel sheet
Patent number
11,884,987
Issue date
Jan 30, 2024
Arcelormittal
David Zapico Alvarez
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
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-pressed member, cold-rolled steel sheet for hot-pressed member,...
Patent number
11,850,821
Issue date
Dec 26, 2023
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled coated steel sheet having high strength, high formabilit...
Patent number
11,834,727
Issue date
Dec 5, 2023
POSCO Co., Ltd
Hyun-Taek Na
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a stainless steel sheet with modified visual c...
Patent number
11,834,726
Issue date
Dec 5, 2023
OUTOKUMPU OYJ
Jörn Teipel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Roughly-shaped steel material for nitrided part, and nitrided part
Patent number
11,827,963
Issue date
Nov 28, 2023
Nippon Steel Corporation
Masato Yuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel for press hardening and press hardened part manufactured from...
Patent number
11,814,696
Issue date
Nov 14, 2023
Arcelormittal
Pascal Drillet
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Martensitic stainless steel strip and method for producing same
Patent number
11,814,697
Issue date
Nov 14, 2023
PROTERIAL, LTD.
Hiroyoshi Fujihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Housing and device
Patent number
11,809,140
Issue date
Nov 7, 2023
Seiko Epson Corporation
Koki Takasawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Sinter brazing of powdered metal sinter hard matertial component to...
Patent number
11,806,799
Issue date
Nov 7, 2023
Keystone Powdered Metal Company
Peter G. Imbrogno
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ultra-high strength hot-rolled steel with toughness and method of m...
Patent number
11,802,327
Issue date
Oct 31, 2023
Big River Steel, LLC
Amar K De
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Cold rolled and heat treated steel sheet and a method of manufactur...
Patent number
11,795,519
Issue date
Oct 24, 2023
Arcelormittal
Jean-Marc Pipard
B32 - LAYERED PRODUCTS
Information
Patent Grant
Hot-pressed member, method for manufacturing the same, and method f...
Patent number
11,795,520
Issue date
Oct 24, 2023
JFE Steel Corporation
Shimpei Yoshioka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
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
ALLOYED HOT DIP GALVANNEALED STEEL SHEET
Publication number
20240141469
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Keitaro MATSUDA
C21 - METALLURGY OF IRON
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
HOT-STAMP FORMED BODY
Publication number
20240133007
Publication date
Apr 25, 2024
NIPPON STEEL CORPORATION
Shingo FUJINAKA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240136095
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Shigehiro TAKAJO
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
COILING TEMPERATURE INFLUENCED COLD ROLLED STRIP OR STEEL
Publication number
20240132989
Publication date
Apr 25, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
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
A ZINC OR ZINC-ALLOY COATED STRIP OR STEEL WITH IMPROVED ZINC ADHESION
Publication number
20240117455
Publication date
Apr 11, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
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
GALVANNEALED STEEL SHEET
Publication number
20240110257
Publication date
Apr 4, 2024
ARCELORMITTAL
David ZAPICO ALVAREZ
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240105369
Publication date
Mar 28, 2024
JFE STEEL CORPORATION
Makoto Watanabe
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE FOR PRESSURE VESSEL HAVING EXCELLENT RESISTANCE TO HIGH...
Publication number
20240102137
Publication date
Mar 28, 2024
POSCO
Soon-Taik HONG
C21 - METALLURGY OF IRON
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
PRESSURE VESSEL STEEL PLATE HAVING EXCELLENT HIGH TEMPERATURE PWHT...
Publication number
20240093326
Publication date
Mar 21, 2024
POSCO Co., Ltd
Soon-Taik HONG
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20240096531
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Ichiro TANAKA
B32 - LAYERED PRODUCTS
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
QT HEAT TREATED HIGH CARBON HOT ROLLED STEEL SHEET, HIGH CARBON COL...
Publication number
20240076766
Publication date
Mar 7, 2024
POSCO Co., Ltd
Sun-Mi KIM
C21 - METALLURGY OF IRON
Information
Patent Application
MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOF
Publication number
20240068063
Publication date
Feb 29, 2024
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Jun YUAN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
HIGH STRENGTH STEEL SHEET, IMPACT ABSORBING MEMBER, AND METHOD FOR...
Publication number
20240052449
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...
Publication number
20240052453
Publication date
Feb 15, 2024
POSCO Co., Ltd
Junmo LEE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
WIRE ROD FOR ULTRAHIGH-STRENGTH SPRINGS, STEEL WIRE, AND MANUFACTUR...
Publication number
20240052455
Publication date
Feb 15, 2024
POSCO Co., Ltd
Junmo LEE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET HAVING EXCELLENT SURFA...
Publication number
20240043953
Publication date
Feb 8, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURING THE SAME
Publication number
20240044358
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Tatsuhiko ABE
C21 - METALLURGY OF IRON
Information
Patent Application
Process for Manufacturing a Press Hardened Laser Welded Steel Part
Publication number
20240035109
Publication date
Feb 1, 2024
ARCELORMITTAL
Pascal Drillet
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20240026481
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Takuya HIRASHIMA
C21 - METALLURGY OF IRON