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C21D8/0436
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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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C21D8/0436
Cold rolling
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Patents Grants
last 30 patents
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
Hot dip galvanized steel sheet and method for producing same
Patent number
12,006,562
Issue date
Jun 11, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal gasket and production method therefor
Patent number
11,890,665
Issue date
Feb 6, 2024
PROTERIAL, LTD.
Toshihiro Uehara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Low-density clad steel sheet having excellent formability and fatig...
Patent number
11,752,752
Issue date
Sep 12, 2023
POSCO Co., Ltd
Tae-Jin Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High strength steel with improved mechanical properties
Patent number
11,732,320
Issue date
Aug 22, 2023
TATA STEEL IJMUIDEN BV
Petra Seda
B32 - LAYERED PRODUCTS
Information
Patent Grant
Low interfacial contact resistance material, use thereof and method...
Patent number
11,732,324
Issue date
Aug 22, 2023
Hille & Muller GmbH
Ernst Wilhelm Vom Bey
B32 - LAYERED PRODUCTS
Information
Patent Grant
Zinc-plated steel sheet for hot stamping and production method ther...
Patent number
11,634,807
Issue date
Apr 25, 2023
Kobe Steel, Ltd.
Takatoshi Yoshida
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for manufacturing press hardened parts, press hardened...
Patent number
11,629,388
Issue date
Apr 18, 2023
Arcelormittal
Martin Beauvais
C21 - METALLURGY OF IRON
Information
Patent Grant
Flat steel product and method for producing same
Patent number
11,597,986
Issue date
Mar 7, 2023
ThyssenKrupp Steel Europe AG
Manuela Irnich
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a metal sheet with a ZnAl coating and with...
Patent number
11,572,613
Issue date
Feb 7, 2023
Arcelormittal
Jean-Michel Mataigne
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength steel sheet having improved st...
Patent number
11,555,226
Issue date
Jan 17, 2023
Arcelormittal
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled and annealed steel sheet and method of manufacturing th...
Patent number
11,530,461
Issue date
Dec 20, 2022
Arcelormittal
Kangying Zhu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Metal gasket and production method therefor
Patent number
11,471,929
Issue date
Oct 18, 2022
Hitachi Metals, Ltd.
Toshihiro Uehara
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing the same
Patent number
11,408,058
Issue date
Aug 9, 2022
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Molded body manufacturing method
Patent number
11,400,504
Issue date
Aug 2, 2022
Hyundai Steel Company
Byung Gil Yoo
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-dip galvanized steel sheet
Patent number
11,268,181
Issue date
Mar 8, 2022
Nippon Steel Corporation
Atsushi Morishita
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Process for manufacturing a steel sheet, and steel belt made therefrom
Patent number
11,261,935
Issue date
Mar 1, 2022
NIPPON STEEL NISSHIN CO., LTD.
Satoshi Tagashira
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Delayed cracking prevention during drawing of high strength steel
Patent number
11,254,996
Issue date
Feb 22, 2022
United States Steel Corporation
Daniel James Branagan
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold rolled steel sheet and method for producing the...
Patent number
11,136,644
Issue date
Oct 5, 2021
JFE Steel Corporation
Yoshie Obata
B32 - LAYERED PRODUCTS
Information
Patent Grant
Hot-rolled or cold-rolled steel plate
Patent number
11,131,011
Issue date
Sep 28, 2021
Arcelormittal
Colin Scott
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-pressed member and method for manufacturing same, and cold-roll...
Patent number
11,111,558
Issue date
Sep 7, 2021
JFE Steel Corporation
Katsutoshi Takashima
B32 - LAYERED PRODUCTS
Information
Patent Grant
Martensitic stainless steel foil and manufacturing method thereof
Patent number
11,098,393
Issue date
Aug 24, 2021
Hitachi Metals, Ltd.
Takuya Okamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Martensitic stainless steel sheet
Patent number
11,072,837
Issue date
Jul 27, 2021
JFE Steel Corporation
Tetsuyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing the same
Patent number
11,066,716
Issue date
Jul 20, 2021
JFE Steel Corporation
Noriaki Kohsaka
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel sheet, coated steel sheet, method for producing hot-rolled st...
Patent number
11,060,157
Issue date
Jul 13, 2021
JFE Steel Corporation
Noriaki Kohsaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Double annealed steel sheet having high mechanical strength and duc...
Patent number
10,995,386
Issue date
May 4, 2021
Arcelormittal
Artem Arlazarov
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a TWIP steel sheet having an austenitic micros...
Patent number
10,995,381
Issue date
May 4, 2021
Arcelormittal
Thierry Iung
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method for producing the same
Patent number
10,982,297
Issue date
Apr 20, 2021
JFE Steel Corporation
Yoshihiko Ono
B32 - LAYERED PRODUCTS
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET HAVING A TWO-LAYER CRYSTALLIZATION STRUCTURE AND PROCES...
Publication number
20250011893
Publication date
Jan 9, 2025
THYSSENKRUPP RASSELSTEIN GMBH
Laura PÖRZGEN
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-DENSITY CLAD STEEL SHEET HAVING EXCELLENT FORMABILITY AND FATIG...
Publication number
20240326399
Publication date
Oct 3, 2024
POSCO CO., LTD.
Tae-Jin SONG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Flat Steel Product, Method for the Production Thereof, and Use of S...
Publication number
20240141455
Publication date
May 2, 2024
ThyssenKrupp Steel Europe AG
Ekaterina Bocharova
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
STEEL AEROSOL MONOBLOC
Publication number
20240060160
Publication date
Feb 22, 2024
ARCELORMITTAL
Christophe CASTAN
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA HIGH STRENGTH COLD ROLLED STEEL SHEET HAVING EXCELLENT SPOT W...
Publication number
20230265536
Publication date
Aug 24, 2023
HYUNDAI STEEL COMPANY
Sun Hwan KWON
C21 - METALLURGY OF IRON
Information
Patent Application
Steel sheet for manufacturing press hardened parts, press hardened...
Publication number
20230203616
Publication date
Jun 29, 2023
ARCELORMITTAL
Martin BEAUVAIS
C21 - METALLURGY OF IRON
Information
Patent Application
Steel sheet for manufacturing press hardened parts, press hardened...
Publication number
20230203617
Publication date
Jun 29, 2023
ARCELORMITTAL
Martin BEAUVAIS
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF MANUFACTURING A STEEL SHEET FOR PACKAGING
Publication number
20230175092
Publication date
Jun 8, 2023
THYSSENKRUPP RASSELSTEIN GMBH
Laura PÖRZGEN
C21 - METALLURGY OF IRON
Information
Patent Application
METAL GASKET AND PRODUCTION METHOD THEREFOR
Publication number
20230166318
Publication date
Jun 1, 2023
Hitachi Metals, Ltd.
Toshihiro UEHARA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR MANUFACTURING A METAL SHEET WITH A ZnAl COATING AND WITH...
Publication number
20230119030
Publication date
Apr 20, 2023
ARCELORMITTAL
Jean-Michel Mataigne
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR A SPOT WELDED JOINT USING HIGH STRENGTH AND H...
Publication number
20230050317
Publication date
Feb 16, 2023
ARCELORMITTAL
Astrid Perlade
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT STAMPED BODY
Publication number
20220403490
Publication date
Dec 22, 2022
NIPPON STEEL CORPORATION
Shingo FUJINAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR PRODUCING A HIGH STRENGTH STEEL SHEET HAVING IMPROVED ST...
Publication number
20220298598
Publication date
Sep 22, 2022
ARCELORMITTAL
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20220235442
Publication date
Jul 28, 2022
JFE STEEL CORPORATION
Yoshihiko Ono
C21 - METALLURGY OF IRON
Information
Patent Application
A COLD ROLLED MARTENSITIC STEEL AND A METHOD OF MARTENSITIC STEEL T...
Publication number
20220213573
Publication date
Jul 7, 2022
ARCELORMITTAL
Matthieu SIEBENTRITT
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-STAMPING FORMED BODY
Publication number
20220195557
Publication date
Jun 23, 2022
NIPPON STEEL CORPORATION
Daisuke MAEDA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-PRESSED MEMBER, COLD-ROLLED STEEL SHEET FOR HOT PRESSING, AND M...
Publication number
20220186339
Publication date
Jun 16, 2022
JFE STEEL CORPORATION
Katsutoshi TAKASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
A HIGH STRENGTH HIGH DUCTILITY COMPLEX PHASE COLD ROLLED STEEL STRI...
Publication number
20220112575
Publication date
Apr 14, 2022
VOESTALPINE STAHL GMBH
Johannes REHRL
B32 - LAYERED PRODUCTS
Information
Patent Application
HIGH STRENGTH STEEL WITH IMPROVED MECHANICAL PROPERTIES
Publication number
20220074014
Publication date
Mar 10, 2022
Petra SEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SUBSTRATE FOR PAINTED PARTS
Publication number
20220064765
Publication date
Mar 3, 2022
TATA STEEL IJMUIDEN BV
Maxim Peter AARNTS
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-TENSILE STEEL CONTAINING MANGANESE, USE OF SAID STEEL FOR FLEX...
Publication number
20210301376
Publication date
Sep 30, 2021
SALZGITTER FLACHSTAHL GMBH
PETER PALZER
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH COLD ROLLED STEEL SHEET WITH LOW MATERIAL NON-UNIFORM...
Publication number
20210292862
Publication date
Sep 23, 2021
POSCO
Seong-Ho HAN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Flat Steel and Method for Producing Same
Publication number
20210262069
Publication date
Aug 26, 2021
ThyssenKrupp Steel Europe AG
Manuela Irnich
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
LOW INTERFACIAL CONTACT RESISTANCE MATERIAL, USE THEREOF AND METHOD...
Publication number
20210087648
Publication date
Mar 25, 2021
Hille & Muller GMBH
Ernst Wilhelm VOM BEY
B32 - LAYERED PRODUCTS
Information
Patent Application
STEEL PLATE FOR HOT STAMPING
Publication number
20210054488
Publication date
Feb 25, 2021
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Haruka ARAKI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED Nb-CONTAINING FERRITIC STAINLESS STEEL SHEET AND METHOD...
Publication number
20200255919
Publication date
Aug 13, 2020
NIPPON STEEL STAINLESS STEEL CORPORATION
Yutaka YAKUSHIJIN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HOT-DIP GALVANIZED STEEL SHEET
Publication number
20200232083
Publication date
Jul 23, 2020
NIPPON STEEL CORPORATION
Atsushi MORISHITA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET FOR MANUFACTURING PRESS HARDENED PARTS, PRESS HARDENED...
Publication number
20200149129
Publication date
May 14, 2020
ARCELORMITTAL
Martin BEAUVAIS
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-PRESSED MEMBER AND METHOD FOR MANUFACTURING SAME, AND COLD-ROLL...
Publication number
20200131597
Publication date
Apr 30, 2020
JFE STEEL CORPORATION
Katsutoshi TAKASHIMA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...