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C21D8/0226
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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
C21D8/0226
Hot rolling
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Patents Grants
last 30 patents
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
12,195,831
Issue date
Jan 14, 2025
Nippon Steel Corporation
Tesshu Murakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,195,832
Issue date
Jan 14, 2025
Nippon Steel Corporation
Shinsuke Takatani
B82 - NANO-TECHNOLOGY
Information
Patent Grant
Hot-rolled steel sheet and weld joint, and methods for producing same
Patent number
12,195,817
Issue date
Jan 14, 2025
Nippon Steel Corporation
Takeshi Toyoda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength thin steel sheet and method for manufacturing same
Patent number
12,195,819
Issue date
Jan 14, 2025
JFE Steel Corporation
Katsutoshi Takashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Plated steel sheet having excellent strength, formability and surfa...
Patent number
12,195,820
Issue date
Jan 14, 2025
POSCO Co., Ltd
Yu-Mi Ha
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a continuous strip-shaped composite material
Patent number
12,186,825
Issue date
Jan 7, 2025
SMS group GMBH
Thomas Runkel
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength steel sheet and method for manufacturing the same
Patent number
12,188,103
Issue date
Jan 7, 2025
JFE Steel Corporation
Kazuki Endoh
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet for a structure with excellent seawater corrosion resis...
Patent number
12,188,104
Issue date
Jan 7, 2025
Posco
Jin-Ho Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material for brake disc of motor vehicle having excellent wea...
Patent number
12,188,109
Issue date
Jan 7, 2025
POSCO Co., Ltd
Seng-Ho Yu
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material for welding steel pipe having excellent low-temperat...
Patent number
12,188,105
Issue date
Jan 7, 2025
POSCO Co., Ltd
Hwan-Gyo Jung
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface-treated steel sheet
Patent number
12,187,009
Issue date
Jan 7, 2025
Nippon Steel Corporation
Kosuke Kawamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel sheet, impact absorbing member, and method for...
Patent number
12,180,593
Issue date
Dec 31, 2024
JFE Steel Corporation
Yoshiyasu Kawasaki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength member, method for manufacturing high-strength member...
Patent number
12,180,569
Issue date
Dec 31, 2024
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet having excellent crashworthiness and method...
Patent number
12,180,556
Issue date
Dec 31, 2024
POSCO Co., Ltd
Tae-Jin Song
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold rolled steel sheet and method for producing same
Patent number
12,180,557
Issue date
Dec 31, 2024
Nippon Steel Corporation
Shohei Yabu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Bake-hardened hot-dip galvanized steel sheet with excellent powderi...
Patent number
12,180,559
Issue date
Dec 31, 2024
POSCO Co., Ltd
Sang-Hyun Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet
Patent number
12,180,570
Issue date
Dec 31, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,173,380
Issue date
Dec 24, 2024
Nippon Steel Corporation
Eriko Tsukamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Electrical steel sheet and manufacturing method therefor
Patent number
12,173,390
Issue date
Dec 24, 2024
POSCO Co., Ltd
Hyun Jong Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Austenitic stainless steel having increased yield ratio and manufac...
Patent number
12,173,392
Issue date
Dec 24, 2024
Posco
Seokweon Song
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and plated steel sheet
Patent number
12,173,391
Issue date
Dec 24, 2024
Nippon Steel Corporation
Keitaro Matsuda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot press member, production method for steel sheet for hot press,...
Patent number
12,163,202
Issue date
Dec 10, 2024
JFE Steel Corporation
Yoshie Obata
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing a 5NI steel plate with a low remanence and...
Patent number
12,163,199
Issue date
Dec 10, 2024
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD
Zhaoxia Liu
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled and coated steel sheet and a method of manufacturing th...
Patent number
12,163,201
Issue date
Dec 10, 2024
Arcelormittal
Samaneh Alibeigi
C21 - METALLURGY OF IRON
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
Aluminium alloy, semi-finished product, can, method of producing a...
Patent number
12,157,933
Issue date
Dec 3, 2024
Tubex Holding GmbH
Sebastian Stumpp
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet, method for manufacturing gra...
Patent number
12,157,936
Issue date
Dec 3, 2024
Nippon Steel Corporation
Ryutaro Yamagata
C21 - METALLURGY OF IRON
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
Process for manufacturing thin sheets made of 7XXX aluminum alloy s...
Patent number
12,146,202
Issue date
Nov 19, 2024
CONSTELLIUM NEUF-BRISACH
David Barbier
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
12,146,212
Issue date
Nov 19, 2024
JFE Steel Corporation
Makoto Watanabe
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HEATING METHOD OF A METALLIC PRODUCT
Publication number
20250019784
Publication date
Jan 16, 2025
ARCELORMITTAL
Akshay BANSAL
C21 - METALLURGY OF IRON
Information
Patent Application
Low density Hot rolled steel, method of production thereof and use...
Publication number
20250019787
Publication date
Jan 16, 2025
ARCELORMITTAL
Xavier GARAT
C21 - METALLURGY OF IRON
Information
Patent Application
Low density Hot rolled steel, method of production thereof and use...
Publication number
20250019807
Publication date
Jan 16, 2025
ARCELORMITTAL
Xavier GARAT
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250019812
Publication date
Jan 16, 2025
POSCO CO., LTD.
Il-Cheol YI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED AND HEAT TREATED STEEL SHEET AND A METHOD OF MANUFACTUR...
Publication number
20250019786
Publication date
Jan 16, 2025
ARCELORMITTAL
Damon PANAHI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET
Publication number
20250019808
Publication date
Jan 16, 2025
NIPPON STEEL CORPORATION
Mutsumi SAKAKIBARA
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME
Publication number
20250011908
Publication date
Jan 9, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Yoshitomo FUJIMURA
C21 - METALLURGY OF IRON
Information
Patent Application
Method for producing a steel sheet having excellent processability...
Publication number
20250011892
Publication date
Jan 9, 2025
ARCELORMITTAL
Deborah HERRY
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT ELONGA...
Publication number
20250011889
Publication date
Jan 9, 2025
POSCO CO., LTD
Eun-Young Kim
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING A STEEL SHEET FOR CANS
Publication number
20250011907
Publication date
Jan 9, 2025
JFE STEEL CORPORATION
Nobusuke KARIYA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
A HOT-ROLLED STEEL STRIP PRODUCT AND METHOD FOR ITS PRODUCTION
Publication number
20250011894
Publication date
Jan 9, 2025
SSAB TECHNOLOGY AB
Robin Nilsson
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING HOT ROLLED STEEL
Publication number
20250011906
Publication date
Jan 9, 2025
ARCELORMITTAL
Lode DUPREZ
C21 - METALLURGY OF IRON
Information
Patent Application
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003045
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003046
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
AUSTENITE STAINLESS STEEL SHEET, METHOD FOR PRODUCING SAME, AND SHE...
Publication number
20250003041
Publication date
Jan 2, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Naoki HIRAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, METHOD OF PRODUCING STEEL SHEET, AND METHOD OF...
Publication number
20250003021
Publication date
Jan 2, 2025
JFE STEEL CORPORATION
Katsuya HATA
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250003022
Publication date
Jan 2, 2025
POSCO CO., LTD
Jong-Pan Kong
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250003037
Publication date
Jan 2, 2025
ARCELORMITTAL
Sebastian COBO
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET, HOT-DIP COATED STEEL SHEET, AND METHOD FOR...
Publication number
20240425945
Publication date
Dec 26, 2024
Nippon Steel Corporation
Kentarou HIRATA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT ROLLED AND STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF
Publication number
20240425956
Publication date
Dec 26, 2024
ARCELORMITTAL
Dorien DE KNIJF
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND PRESS-FORMED ARTICLE
Publication number
20240425960
Publication date
Dec 26, 2024
NIPPON STEEL CORPORATION
Yasuhiro ITO
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED AND STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF
Publication number
20240425944
Publication date
Dec 26, 2024
ARCELORMITTAL
Laura MARTINEZ TARANILLA
C21 - METALLURGY OF IRON
Information
Patent Application
Sheet Metal Component and Method for Producing Same
Publication number
20240425946
Publication date
Dec 26, 2024
ThyssenKrupp Steel Europe AG
Jennifer Schulz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ULTRA-HIGH STRENGTH HOT-ROLLED STEEL WITH TOUGHNESS AND METHOD OF F...
Publication number
20240425958
Publication date
Dec 26, 2024
Big River Steel, LLC
Amar K. De
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM
Publication number
20240425943
Publication date
Dec 26, 2024
JFE STEEL CORPORATION
Tadachika Chiba
C21 - METALLURGY OF IRON
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
STEEL PLATE HAVING HIGH STRENGTH AND EXCELLENT LOW-TEMPERATURE IMPA...
Publication number
20240417836
Publication date
Dec 19, 2024
POSCO Co., Ltd
Woo-Gyeom KIM
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR
Publication number
20240417834
Publication date
Dec 19, 2024
POSCO Co., Ltd
Sooho Park
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL WITH EXCELLENT CLAD SHEET WORKABILITY, AND...
Publication number
20240417832
Publication date
Dec 19, 2024
POSCO CO., LTD
Jieon PARK
C21 - METALLURGY OF IRON
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