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characterised by the heat treatment
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CPC
C21D8/0247
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Parent Industries
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
Current Industry
C21D8/0247
characterised by the heat treatment
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Patents Grants
last 30 patents
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Patent Grant
Hot rolled steel sheet having excellent formability and fatigue pro...
Patent number
11,970,749
Issue date
Apr 30, 2024
POSCO Co., Ltd
Tae-Jin Song
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,946,112
Issue date
Apr 2, 2024
JFE Steel Corporation
Yoshihiko Ono
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet, coated steel sheet, method for producing hot-rolled st...
Patent number
11,946,111
Issue date
Apr 2, 2024
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Cold rolled steel sheet and a method of manufacturing thereof
Patent number
11,920,207
Issue date
Mar 5, 2024
Arcelormittal
Jean-Marc Pipard
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel compositions, methods of manufacture and uses in producing ri...
Patent number
11,905,569
Issue date
Feb 20, 2024
Greer Steel Company
Douglas B. Campbell
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Method of press-hardening a hot-shapable plate
Patent number
11,891,673
Issue date
Feb 6, 2024
Bilstein GmbH & Co. KG
Seyed Amin Mousavi Rizi
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
Steel for manufacturing a component by hot forming and use of the c...
Patent number
11,788,176
Issue date
Oct 17, 2023
OUTOKUMPU OYJ
Jasminko Skrlec
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
11,788,166
Issue date
Oct 17, 2023
POSCO Co., Ltd
Jin-Keun Oh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Stamped components with reduced hot-forming cycle time
Patent number
11,781,197
Issue date
Oct 10, 2023
GM Global Technology Operations LLC
Qi Lu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Non oriented electrical steel sheet, iron core, manufacturing metho...
Patent number
11,749,429
Issue date
Sep 5, 2023
Nippon Steel Corporation
Takeaki Wakisaka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for manufacturing the same
Patent number
11,739,392
Issue date
Aug 29, 2023
JFE Steel Corporation
Yusuke Kimata
C21 - METALLURGY OF IRON
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
Metal plate for producing vapor deposition masks, inspection method...
Patent number
11,733,607
Issue date
Aug 22, 2023
Dai Nippon Printing Co., Ltd.
Chikao Ikenaga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength coated steel sheet having impr...
Patent number
11,718,888
Issue date
Aug 8, 2023
Arcelormittal
Dongwei Fan
C21 - METALLURGY OF IRON
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
Method for manufacturing a high-strength steel sheet and sheet obta...
Patent number
11,692,235
Issue date
Jul 4, 2023
Arcelormittal
Wei Xu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold rolled steel sheet for flux-cored wire, and manufacturing meth...
Patent number
11,674,194
Issue date
Jun 13, 2023
POSCO Co., Ltd
Jai-Ik Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-high-strength cold-rolled plated steel sheet and method for m...
Patent number
11,674,195
Issue date
Jun 13, 2023
Hyundai Motor Company
Hyuck-Min Kwon
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing metal plate
Patent number
11,667,983
Issue date
Jun 6, 2023
Dai Nippon Printing Co., Ltd.
Hiroki Oka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for forming a cold rolled, coated and post batch annealed st...
Patent number
11,661,637
Issue date
May 30, 2023
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Zinc-coated steel sheet with high resistance spot weldability
Patent number
11,649,522
Issue date
May 16, 2023
Arcelormittal
Jean-Marc Pipard
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength hot-dip galvannealed steel sheet and method for produ...
Patent number
11,643,702
Issue date
May 9, 2023
JFE Steel Corporation
Satoshi Maeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
11,624,100
Issue date
Apr 11, 2023
POSCO Co., Ltd
Jin-Keun Oh
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength steel sheet having improved st...
Patent number
11,618,931
Issue date
Apr 4, 2023
Arcelormittal
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Grant
Cooling device and method for operating same
Patent number
11,612,922
Issue date
Mar 28, 2023
SMS group GMBH
August Sprock
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High-strength hot-dip galvannealed steel sheet and method for produ...
Patent number
11,597,983
Issue date
Mar 7, 2023
JFE Steel Corporation
Satoshi Maeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet having excellent formability and fatigue pro...
Patent number
11,591,664
Issue date
Feb 28, 2023
POSCO Co., Ltd
Tae-Jin Song
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL COMPOSITIONS, METHODS OF MANUFACTURE AND USES IN PRODUCING RI...
Publication number
20240158878
Publication date
May 16, 2024
GREER STEEL COMPANY
DOUGLAS B. CAMPBELL
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
GALVANIZED STEEL SHEET AND MEMBER, AND METHOD FOR MANUFACTURING SAME
Publication number
20240124964
Publication date
Apr 18, 2024
JFE STEEL CORPORATION
Sho HIGUCHI
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
STEEL SHEET, COATED STEEL SHEET, METHOD FOR PRODUCING HOT-ROLLED ST...
Publication number
20240084412
Publication date
Mar 14, 2024
JFE STEEL CORPORATION
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING AUSTENITIC STAINLESS STEEL STRIP
Publication number
20240043948
Publication date
Feb 8, 2024
Proterial, Ltd.
Shogo Momono
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-DIP GALVANIZED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20240035105
Publication date
Feb 1, 2024
JFE STEEL CORPORATION
Takuya HIRASHIMA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...
Publication number
20240002992
Publication date
Jan 4, 2024
POSCO CO., LTD.
Il-Ryoung SOHN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20230416863
Publication date
Dec 28, 2023
POSCO CO., LTD.
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SURFACE-TREATED STEEL SHEET
Publication number
20230415453
Publication date
Dec 28, 2023
NIPPON STEEL CORPORATION
Kosuke KAWAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHOD FOR MA...
Publication number
20230407449
Publication date
Dec 21, 2023
JFE STEEL CORPORATION
Rinta SATO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
AUSTENITE STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND...
Publication number
20230399728
Publication date
Dec 14, 2023
NIPPON STEEL STAINLESS STEEL CORPORATION
Masaya TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-PRESSED MEMBER, STEEL SHEET FOR HOT PRESSING, AND METHODS FOR P...
Publication number
20230392226
Publication date
Dec 7, 2023
JFE STEEL CORPORATION
Shuhei OGAWA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-B...
Publication number
20230304117
Publication date
Sep 28, 2023
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
ZINC-COATED STEEL SHEET WITH HIGH RESISTANCE SPOT WELDABILITY
Publication number
20230272502
Publication date
Aug 31, 2023
ARCELORMITTAL
Jean-Marc PIPARD
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ULTRA-HIGH-STRENGTH COLD-ROLLED PLATED STEEL SHEET AND METHOD FOR M...
Publication number
20230257847
Publication date
Aug 17, 2023
Hyundai Motor Company
Hyuck-Min Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED, COATED AND POST BATCH ANNEALED STEEL SHEET
Publication number
20230257846
Publication date
Aug 17, 2023
ARCELORMITTAL
Hyun Jo JUN
C21 - METALLURGY OF IRON
Information
Patent Application
STAMPED COMPONENTS WITH REDUCED HOT-FORMING CYCLE TIME
Publication number
20230243012
Publication date
Aug 3, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qi Lu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20230235423
Publication date
Jul 27, 2023
POSCO Co., Ltd
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL PRODUCT AND METHOD OF MANUFACTURING THE SAME
Publication number
20230235425
Publication date
Jul 27, 2023
SSAB TECHNOLOGY AB
Vili Kesti
C21 - METALLURGY OF IRON
Information
Patent Application
DIRECT FLAME BURNER UNIT FOR FURNACES FOR THE THERMO-CHEMICAL TREAT...
Publication number
20230220990
Publication date
Jul 13, 2023
TENOVA S.P.A.
Davide ASTESIANO
F23 - COMBUSTION APPARATUS COMBUSTION PROCESSES
Information
Patent Application
HOT ROLLED STEEL SHEET HAVING EXCELLENT FORMABILITY AND FATIGUE PRO...
Publication number
20230203610
Publication date
Jun 29, 2023
POSCO CO., LTD.
Tae-Jin SONG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING HARDENED STEEL COMPONENTS WITH A CONDITIONED Z...
Publication number
20230183832
Publication date
Jun 15, 2023
VOESTALPINE STAHL GMBH
Ernst SCHACHINGER
C21 - METALLURGY OF IRON
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
NON ORIENTED ELECTRICAL STEEL SHEET, IRON CORE, MANUFACTURING METHO...
Publication number
20230110399
Publication date
Apr 13, 2023
NIPPON STEEL CORPORATION
Takeaki WAKISAKA
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR PRODUCING AN AT LEAST PARTLY QUENCHED AND TEMPERED SHEE...
Publication number
20230002844
Publication date
Jan 5, 2023
ThyssenKrupp Steel Europe AG
Bernd LINKE
C21 - METALLURGY OF IRON
Information
Patent Application
MULTI-LAYER ROLLED COMPOSITE BOARD AND MANUFACTURING METHOD THEREFOR
Publication number
20220410533
Publication date
Dec 29, 2022
Baoshan Iron & Steel Co., Ltd
Peng XUE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20220396847
Publication date
Dec 15, 2022
JFE STEEL CORPORATION
Kazuki Endoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20220389533
Publication date
Dec 8, 2022
POSCO
Jin-Keun OH
C21 - METALLURGY OF IRON
Information
Patent Application
A FORMING SHEET METAL PART FOR A VEHICLE FRAME AND CORRESPONDING PR...
Publication number
20220388574
Publication date
Dec 8, 2022
Autotech Engineering, S.L.
Laura GALCERAN OMS
C21 - METALLURGY OF IRON