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characterised by the heat treatment
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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
High-strength cold-rolled steel sheet having excellent bending work...
Patent number
12,168,810
Issue date
Dec 17, 2024
POSCO Co., Ltd
Hang-Sik Cho
C21 - METALLURGY OF IRON
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
Method of manufacturing Martensitic steel and a Martensitic steel t...
Patent number
12,157,925
Issue date
Dec 3, 2024
Arcelormittal
Hassan Ghassemi-Armaki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Gradient steel material having surface layer with ferrite and inner...
Patent number
12,129,526
Issue date
Oct 29, 2024
Baoshan Iron & Steel Co., Ltd.
Suoquan Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel having improved pipe-expanding workability...
Patent number
12,123,067
Issue date
Oct 22, 2024
POSCO Co., Ltd
Il Chan Jung
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal plate for manufacturing deposition mask and manufacturing met...
Patent number
12,117,727
Issue date
Oct 15, 2024
Dai Nippon Printing Co., Ltd.
Hiroki Oka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Cold rolled, coated and post batch annealed steel sheet
Patent number
12,110,570
Issue date
Oct 8, 2024
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Magnetic composite material and rotating electric machine
Patent number
12,080,458
Issue date
Sep 3, 2024
Kabushiki Kaisha Toshiba
Tomohiro Suetsuna
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for forming a sheet blank as a workpiece in a forming tool
Patent number
12,064,800
Issue date
Aug 20, 2024
HODFORMING GMBH
Peter Amborn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a high strength steel sheet having improved du...
Patent number
12,054,799
Issue date
Aug 6, 2024
Arcelormittal
Maya Gospodinova
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Zinc-coated steel sheet with high resistance spot weldability
Patent number
12,054,802
Issue date
Aug 6, 2024
Arcelormittal
Jean-Marc Pipard
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cold-rolled steel plate for hot forming, having excellent corrosion...
Patent number
12,049,679
Issue date
Jul 30, 2024
POSCO Co., Ltd
Jin-Keun Oh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High strength steel product and method of manufacturing the same
Patent number
12,024,753
Issue date
Jul 2, 2024
SSAB Technology AB
Vili Kesti
C21 - METALLURGY OF IRON
Information
Patent Grant
Aluminum alloy sheet for automotive structural member, automotive s...
Patent number
12,000,026
Issue date
Jun 4, 2024
Kobe Steel, Ltd.
Tomoki Hosokawa
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
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
Patents Applications
last 30 patents
Information
Patent Application
HEAT TREATMENT METHOD AND HEAT TREATMENT FURNACE
Publication number
20240392402
Publication date
Nov 28, 2024
TOYOTA BOSHOKU KABUSHIKI KAISHA
Masaki SUGIYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-BATH FORMING PROCESS OF HIGH-CORROSION-RESISTANT AND EASY-TO-WE...
Publication number
20240368721
Publication date
Nov 7, 2024
SHANDONG IRON&STEEL GROUP RIZHAO CO., LTD.
Peixing LIU
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20240352552
Publication date
Oct 24, 2024
Cleveland-Cliffs Steel Properties Inc.
Amrinder Singh Gill
C21 - METALLURGY OF IRON
Information
Patent Application
SURFACE PREPARATION FOR JVD
Publication number
20240352573
Publication date
Oct 24, 2024
ARCELORMITTAL
Daniel CHALEIX
C21 - METALLURGY OF IRON
Information
Patent Application
Method for the fabrication of a resistance spot weld
Publication number
20240344166
Publication date
Oct 17, 2024
ARCELORMITTAL
Jean-Marc PIPARD
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PROCESS FOR DIRECT PRODUCTION OF A TRIP STEEL STRIP IN AN INTEGRATE...
Publication number
20240327944
Publication date
Oct 3, 2024
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Kerstin BAUMGARTNER
B22 - CASTING POWDER METALLURGY
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
COLD-ROLLED STEEL PLATE FOR HOT FORMING, HAVING EXCELLENT CORROSION...
Publication number
20240301527
Publication date
Sep 12, 2024
POSCO Co., Ltd
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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 ALLOYED HOT-DIP GALVANIZED STEEL SHEET AND MANUFACTUR...
Publication number
20240240298
Publication date
Jul 18, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Sae HAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE, METHOD FOR PRODUCING STEEL PLATE, AND METHOD FOR PRODU...
Publication number
20240167113
Publication date
May 23, 2024
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240167114
Publication date
May 23, 2024
JFE STEEL CORPORATION
Hiroshi Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON LOW-ALLOY Q&P STEEL OR HOT-DIP GALVANIZED Q&P STEEL WITH...
Publication number
20240167130
Publication date
May 23, 2024
Baoshan Iron & Steel Co., Ltd
Jun LI
C21 - METALLURGY OF IRON
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