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C21D8/0263
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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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C21D8/0263
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Patents Grants
last 30 patents
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Patent Grant
Plated steel sheets for hot press forming having excellent hydrogen...
Patent number
12,269,081
Issue date
Apr 8, 2025
POSCO CO., LTD
Sang-Heon Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet and method for manufacturing same
Patent number
12,270,088
Issue date
Apr 8, 2025
Nippon Steel Corporation
Eriko Tsukamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-rolled steel sheet and method for manufacturing same
Patent number
12,264,374
Issue date
Apr 1, 2025
Nippon Steel Corporation
Daisuke Ito
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
FeCoV alloy and method for producing a strip from an FeCoV alloy
Patent number
12,264,386
Issue date
Apr 1, 2025
Vacuumschmelze GmbH & Co. KG
Niklas Volbers
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet, member, and methods for manufacturing the same
Patent number
12,258,647
Issue date
Mar 25, 2025
JFE Steel Corporation
Yusuke Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength galvanized steel sheet and method for manufacturing t...
Patent number
12,258,644
Issue date
Mar 25, 2025
JFE Steel Corporation
Hiroshi Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing thermo-mechanically produced profiled hot-roll...
Patent number
12,258,648
Issue date
Mar 25, 2025
voestapline Stahl GmbH
Wolfgang Ernst
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing the same
Patent number
12,258,645
Issue date
Mar 25, 2025
JFE Steel Corporation
Takuya Hirashima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and production method for same
Patent number
12,252,758
Issue date
Mar 18, 2025
Nippon Steel Corporation
Hiroyuki Kawata
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength steel sheet having excellent workability and method f...
Patent number
12,252,759
Issue date
Mar 18, 2025
POSCO Co., Ltd
Jae-Hoon Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,247,263
Issue date
Mar 11, 2025
Nippon Steel Corporation
Kohichi Sano
C21 - METALLURGY OF IRON
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Patent Grant
Wear resistant steel material with excellent cut crack resistance a...
Patent number
12,241,138
Issue date
Mar 4, 2025
Posco
Seng-Ho Yu
C21 - METALLURGY OF IRON
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Patent Grant
High-strength hot-rolled plated steel sheet, and method for produci...
Patent number
12,241,134
Issue date
Mar 4, 2025
POSCO Co., Ltd
Kyong Su Park
C21 - METALLURGY OF IRON
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Patent Grant
Steel plate for pressure vessel with excellent cryogenic toughness...
Patent number
12,234,526
Issue date
Feb 25, 2025
POSCO HOLDINGS INC.
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel
Patent number
12,227,817
Issue date
Feb 18, 2025
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
Information
Patent Grant
Acid-resistant steel sheet and manufacturing method therefor
Patent number
12,221,707
Issue date
Feb 11, 2025
POSCO Co., Ltd
Minho Jo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Ultrahigh-strength steel having excellent cold workability and SSC...
Patent number
12,221,682
Issue date
Feb 11, 2025
POSCO Co., Ltd
Dae-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,221,666
Issue date
Feb 11, 2025
Nippon Steel Corporation
Kengo Takeda
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Dispersoids 7XXX alloy products with enhanced environmentally assis...
Patent number
12,221,677
Issue date
Feb 11, 2025
Kaiser Aluminum Fabricated Products, LLC
Zhengdong Long
C21 - METALLURGY OF IRON
Information
Patent Grant
Alloyed galvanized steel sheet, electrodeposition-coated steel shee...
Patent number
12,221,705
Issue date
Feb 11, 2025
JFE Steel Corporation
Shunsuke Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel sheet and method for manufacturing the same
Patent number
12,221,668
Issue date
Feb 11, 2025
JFE Steel Corporation
Kazuki Endoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
High-yield-ratio cold-rolled dual-phase steel and manufacturing met...
Patent number
12,215,397
Issue date
Feb 4, 2025
Baoshan Iron & Steel Co., Ltd.
Wei Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Carbide-free tempered martensitic steels and preparation methods th...
Patent number
12,215,404
Issue date
Feb 4, 2025
BEIJING INSTITUTE OF TECHNOLOGY
Zhiping Xiong
C21 - METALLURGY OF IRON
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
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 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
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
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...
Patents Applications
last 30 patents
Information
Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
Publication number
20250115973
Publication date
Apr 10, 2025
JFE STEEL CORPORATION
Kyono YASUDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
Publication number
20250115972
Publication date
Apr 10, 2025
JFE STEEL CORPORATION
Kyono YASUDA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET
Publication number
20250109467
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Daisuke ITO
C21 - METALLURGY OF IRON
Information
Patent Application
TIN PLATE AND MANUFACTURING METHOD THEREFOR
Publication number
20250101540
Publication date
Mar 27, 2025
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Yifeng SONG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH STEEL AND METHOD OF MANUFACTURING THE SAME
Publication number
20250092481
Publication date
Mar 20, 2025
CHINA STEEL CORPORATION
Kuo-Cheng YANG
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHO...
Publication number
20250092482
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Han Sol Maeng
C21 - METALLURGY OF IRON
Information
Patent Application
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20250092484
Publication date
Mar 20, 2025
POSCO CO., LTD.
Yu-Mi HA
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON, LOW-ALLOY AND HIGH-FORMABILITY DUAL-PHASE STEEL HAVING...
Publication number
20250084500
Publication date
Mar 13, 2025
Baoshan Iron & Steel Co., Ltd
Jun LI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL REINFORCEMENT AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250084516
Publication date
Mar 13, 2025
HYUNDAI STEEL COMPANY
Jun Ho Chung
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HAVING EXCELLENT SPO...
Publication number
20250084517
Publication date
Mar 13, 2025
POSCO CO., LTD
Sung-Kyu Kim
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANIZED STEEL SHEET AND MEMBER, AND METHOD OF PRODUCING SAME
Publication number
20250084501
Publication date
Mar 13, 2025
JFE STEEL CORPORATION
Sho HIGUCHI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT STAMPED BODY
Publication number
20250084518
Publication date
Mar 13, 2025
NIPPON STEEL CORPORATION
Hitomi NISHIBATA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20250075285
Publication date
Mar 6, 2025
JFE STEEL CORPORATION
Ryohei MORIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250075283
Publication date
Mar 6, 2025
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT-STAMPING, METHOD FOR MANUFACTURING STEEL SHEET...
Publication number
20250066887
Publication date
Feb 27, 2025
NIPPON STEEL CORPORATION
Masafumi AZUMA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
IRON-MANGANESE ALLOY HAVING IMPROVED WELDABILITY
Publication number
20250066888
Publication date
Feb 27, 2025
APERAM
Pierre-Louis REYDET
C21 - METALLURGY OF IRON
Information
Patent Application
HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MA...
Publication number
20250059617
Publication date
Feb 20, 2025
voestalpine Grobblech GmbH
Rupert EGGER
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRAHIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABIL...
Publication number
20250051870
Publication date
Feb 13, 2025
POSCO CO., LTD
Tae-Jin Song
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR
Publication number
20250051894
Publication date
Feb 13, 2025
POSCO Co., Ltd
Seokweon Song
C21 - METALLURGY OF IRON
Information
Patent Application
HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MA...
Publication number
20250051890
Publication date
Feb 13, 2025
voestalpine Grobblech GmbH
Rupert EGGER
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250051889
Publication date
Feb 13, 2025
POSCO Co., Ltd
Jae-Hoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET AND GALVANIZED STEEL SHEET WITH EXCELLENT P...
Publication number
20250043379
Publication date
Feb 6, 2025
POSCO CO., LTD
Byoung Ho Lee
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20250043398
Publication date
Feb 6, 2025
JFE STEEL CORPORATION
Takaaki TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
CARBIDE-FREE TEMPERED MARTENSITIC STEELS AND PREPARATION METHODS TH...
Publication number
20250043377
Publication date
Feb 6, 2025
Beijing Institute of Technology
Zhiping XIONG
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING COLD-ROLLED STE...
Publication number
20250043380
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Kengo HATA
C21 - METALLURGY OF IRON
Information
Patent Application
BAINITE STEEL AND PREPARATION METHOD THEREFOR
Publication number
20250034670
Publication date
Jan 30, 2025
Baoshan Iron & Steel Co., Ltd
Hanlong ZHANG
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET HAVING EXCELLENT STRENGTH AND ELONGATION AN...
Publication number
20250034683
Publication date
Jan 30, 2025
POSCO CO., LTD
Minho JO
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