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C21D8/0278
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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
C21D8/00
Modifying the physical properties by deformation combined with, or followed by, heat treatment
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C21D8/0278
involving a particular surface treatment
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Patents Grants
last 30 patents
Information
Patent Grant
High-strength hot-dip galvanized steel sheet and method for produci...
Patent number
12,157,923
Issue date
Dec 3, 2024
JFE Steel Corporation
Hiroshi Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a ultra high strength coated or not coated ste...
Patent number
12,157,922
Issue date
Dec 3, 2024
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-pressed member, steel sheet for hot pressing, and methods for p...
Patent number
12,157,924
Issue date
Dec 3, 2024
JFE Steel Corporation
Shuhei Ogawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Production method for a spot welded joint using high strength and h...
Patent number
12,151,297
Issue date
Nov 26, 2024
Arcelormittal
Astrid Perlade
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Surface-treated steel sheet
Patent number
12,129,568
Issue date
Oct 29, 2024
Nippon Steel Corporation
Yasuto Goto
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultrahigh-strength steel sheet having excellent yield ratio, and ma...
Patent number
12,123,066
Issue date
Oct 22, 2024
POSCO CO. LTD
Sea-Woong Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Sheet metal component and method for producing same
Patent number
12,104,218
Issue date
Oct 1, 2024
ThyssenKrupp Steel Europe AG
Jennifer Schulz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet, member, and method for producing them
Patent number
12,098,439
Issue date
Sep 24, 2024
JFE Steel Corporation
Lingling Yang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,098,440
Issue date
Sep 24, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvanized steel sheet, member, and method for producing them
Patent number
12,091,723
Issue date
Sep 17, 2024
JFE Steel Corporation
Shinsuke Komine
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Plated steel sheets for hot press forming having excellent hydrogen...
Patent number
12,084,734
Issue date
Sep 10, 2024
POSCO Co., Ltd
Jin-Keun Oh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet
Patent number
12,077,832
Issue date
Sep 3, 2024
Nippon Steel Corporation
Yuya Suzuki
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Plated steel sheet for automobile structural members
Patent number
12,071,691
Issue date
Aug 27, 2024
Nippon Steel Corporation
Takuya Mitsunobu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Advanced high strength zinc plated steel sheet having excellent sur...
Patent number
12,000,008
Issue date
Jun 4, 2024
Posco
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength annealed steel products and annealing processes for m...
Patent number
11,993,823
Issue date
May 28, 2024
United States Steel Corporation
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Superlubricity coating containing carbon nanotubes
Patent number
11,970,764
Issue date
Apr 30, 2024
UT-Battelle, LLC
Chanaka Kapila Kumara Ihala Gamaralalage
B82 - NANO-TECHNOLOGY
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
Hot-dip plated steel
Patent number
11,814,732
Issue date
Nov 14, 2023
Nippon Steel Corporation
Takuya Mitsunobu
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
Method for manufacturing high-strength galvanized steel sheet and h...
Patent number
11,814,695
Issue date
Nov 14, 2023
JFE Steel Corporation
Mai Aoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Aluminum-based coating for flat steel products for press mold harde...
Patent number
11,795,535
Issue date
Oct 24, 2023
Salzgitter Flachstahl GmbH
Marc Debeaux
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steels for the formation of wear-protective lubriciou...
Patent number
11,781,195
Issue date
Oct 10, 2023
Northwestern University
Yip-Wah Chung
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Metal plate for manufacturing deposition mask, method for manufactu...
Patent number
11,732,361
Issue date
Aug 22, 2023
Dai Nippon Printing Co., Ltd.
Hiroki Oka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled coated steel sheet
Patent number
11,732,340
Issue date
Aug 22, 2023
JFE Steel Corporation
Sota Goto
B32 - LAYERED PRODUCTS
Information
Patent Grant
Flat steel product with an AI-coating, method for producing the sam...
Patent number
11,692,234
Issue date
Jul 4, 2023
ThyssenKrupp Steel Europe AG
Janko Banik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ferritic stainless steel and method for manufacturing same, ferriti...
Patent number
11,667,986
Issue date
Jun 6, 2023
NIPPON STEEL STAINLESS STEEL CORPORATION
Masaharu Hatano
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of colorizing stainless steel using strip anneal processing
Patent number
11,584,997
Issue date
Feb 21, 2023
Cleveland-Cliffs Steel Properties Inc.
Frederick A. Myers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing an ultra high strength galvannealed steel shee...
Patent number
11,512,362
Issue date
Nov 29, 2022
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Spot welded joint using high strength and high forming steel and it...
Patent number
11,504,795
Issue date
Nov 22, 2022
Arcelormittal
Astrid Perlade
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of producing press-hardened and coated steel parts at a high...
Patent number
11,466,339
Issue date
Oct 11, 2022
Arcelormittal
Michel Sanadres
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20240417820
Publication date
Dec 19, 2024
NIPPON STEEL CORPORATION
Takuya NISHIO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
PLATED STEEL SHEETS FOR HOT PRESS FORMING HAVING EXCELLENT HYDROGEN...
Publication number
20240410028
Publication date
Dec 12, 2024
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRAHIGH-STRENGTH STEEL SHEET HAVING EXCELLENT YIELD RATIO, AND MA...
Publication number
20240401166
Publication date
Dec 5, 2024
POSCO CO., LTD.
Sea-Woong LEE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COLD ROLLED AND HEAT TREATED STEEL SHEET AND A METHOD OF MANUFACTUR...
Publication number
20240392405
Publication date
Nov 28, 2024
ARCELORMITTAL
Tom WATERSCHOOT
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM
Publication number
20240384379
Publication date
Nov 21, 2024
JFE STEEL CORPORATION
Tadachika Chiba
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT STAMPING AND HOT STAMPED PRODUCT
Publication number
20240376580
Publication date
Nov 14, 2024
NIPPON STEEL CORPORATION
Jun HAGA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240376562
Publication date
Nov 14, 2024
JFE STEEL CORPORATION
Junya Tobata
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME AND MEMBER
Publication number
20240368719
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Hidekazu MINAMI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME
Publication number
20240368722
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Yoichiro Matsui
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL SHEET AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240360529
Publication date
Oct 31, 2024
JFE STEEL CORPORATION
Shuji Nishida
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL SHEET, HIGH STRENGTH COATED OR PLATED STEEL SHE...
Publication number
20240360532
Publication date
Oct 31, 2024
JFE STEEL CORPORATION
Yuji TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME
Publication number
20240360531
Publication date
Oct 31, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL HAVING IMPROVED PROCESSING PROPERTIES FOR WORKING AT ELEVATED...
Publication number
20240352550
Publication date
Oct 24, 2024
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
OUTER PLATE COMPONENT FOR AUTOMOBILE, BLANK SHEET, MANUFACTURING ME...
Publication number
20240352565
Publication date
Oct 24, 2024
NIPPON STEEL CORPORATION
Ryuichi NISHIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED STEEL SHEET HAVING EXCELLENT WELDABILITY, STRENGTH, AND...
Publication number
20240352551
Publication date
Oct 24, 2024
Young-Roc IM
C21 - METALLURGY OF IRON
Information
Patent Application
ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SUR...
Publication number
20240344164
Publication date
Oct 17, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME
Publication number
20240336989
Publication date
Oct 10, 2024
POSCO Co., Ltd
Sangseok Kim
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH COLD ROLLED STEEL STRIP SHEET FOR AUTOMOTIVE USE HAVI...
Publication number
20240327961
Publication date
Oct 3, 2024
VOESTALPINE STAHL GMBH
Katharina STEINEDER
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME
Publication number
20240318275
Publication date
Sep 26, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
QUENCHING APPARATUS, METHOD FOR QUENCHING, METHOD FOR MANUFACTURING...
Publication number
20240318272
Publication date
Sep 26, 2024
JFE STEEL CORPORATION
Soshi Yoshimoto
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET
Publication number
20240287663
Publication date
Aug 29, 2024
NIPPON STEEL CORPORATION
Kyohei ISHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET, HIGH STRENGTH COATED OR PLATED STEEL SHE...
Publication number
20240287637
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Hidekazu MINAMI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD TO PRODUCE VOID-FREE FERROUS & NON-FERROUS AEROSPACE STRUCTU...
Publication number
20240279815
Publication date
Aug 22, 2024
SPIRIT AEROSYSTEMS, INC
Rahbar Nasserrafi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET
Publication number
20240271261
Publication date
Aug 15, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE...
Publication number
20240263265
Publication date
Aug 8, 2024
UNITED STATES STEEL CORPORATION
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY,...
Publication number
20240254585
Publication date
Aug 1, 2024
POSCO CO., LTD.
Tae-Jin SONG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GALVANIZED STEEL SHEET
Publication number
20240247357
Publication date
Jul 25, 2024
NIPPON STEEL CORPORATION
Jun MAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
COILING TEMPERATURE INFLUENCED COLD ROLLED STRIP OR STEEL
Publication number
20240229183
Publication date
Jul 11, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240229181
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240229180
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON