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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
980MPA grade cold-roll steel sheets with high hole expansion rate a...
Patent number
12,359,273
Issue date
Jul 15, 2025
Baoshan Iron & Steel Co., Ltd.
Peng Xue
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc alloy coated press-hardenable steels and method of manufacturi...
Patent number
12,359,294
Issue date
Jul 15, 2025
Nucor Corporation
Weiping Sun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength high-toughness and wear-resistant composite steel pla...
Patent number
12,359,272
Issue date
Jul 15, 2025
Baoshan Iron & Steel Co., Ltd.
Hongbin Li
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength ultra-thick steel plate having superb impact toughnes...
Patent number
12,351,884
Issue date
Jul 8, 2025
Posco
Tae-Il So
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for manufacturing same
Patent number
12,344,911
Issue date
Jul 1, 2025
Nippon Steel Corporation
Masafumi Azuma
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold rolled heat treated steel sheet and a method of manufacturing...
Patent number
12,338,506
Issue date
Jun 24, 2025
Arcelormittal
Jean-Marc Pipard
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material, for pressure vessel, showing excellent hydrogen-ind...
Patent number
12,331,373
Issue date
Jun 17, 2025
POSCO Co., Ltd
Dae-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing conventionally hot-rolled profiled strip products
Patent number
12,331,369
Issue date
Jun 17, 2025
voestalpine STAHL GmbH
Wolfgang Ernst
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold-rolled steel sheet and manufacturing method thereof
Patent number
12,331,379
Issue date
Jun 17, 2025
Nippon Steel Corporation
Takuya Nishio
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet and production method thereof
Patent number
12,319,977
Issue date
Jun 3, 2025
Nippon Steel Corporation
Masaharu Oka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Material for hot stamping and method of manufacturing the same
Patent number
12,312,652
Issue date
May 27, 2025
Hyundai Steel Company
Nu Ri Shin
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet with excellent low-temperature impact toughn...
Patent number
12,312,648
Issue date
May 27, 2025
POSCO Co., Ltd
Jung Hyun Kong
C21 - METALLURGY OF IRON
Information
Patent Grant
Chromium steel having excellent high-temperature oxidation resistan...
Patent number
12,312,663
Issue date
May 27, 2025
Posco
Hyun-Je Sung
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel plate for pressure vessel with excellent cryogenic lateral ex...
Patent number
12,305,250
Issue date
May 20, 2025
Posco
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Plated steel sheet having excellent strength, formability and surfa...
Patent number
12,305,287
Issue date
May 20, 2025
POSCO Co., Ltd
Yong-Hoon Choi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,305,258
Issue date
May 20, 2025
Nippon Steel Corporation
Eriko Tsukamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength structural steel having excellent cold bendability, a...
Patent number
12,305,249
Issue date
May 20, 2025
POSCO Co., Ltd
Jae-Young Cho
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet, member, and method for producing them
Patent number
12,297,515
Issue date
May 13, 2025
JFE Steel Corporation
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for hot stamping, hot stamping process and hot stamped component
Patent number
12,297,517
Issue date
May 13, 2025
Ironovation Materials Technology Co., Ltd.
Hongliang Yi
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,291,759
Issue date
May 6, 2025
Nippon Steel Corporation
Yuya Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
12,281,392
Issue date
Apr 22, 2025
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvanized steel sheet, electrodeposition-coated steel sheet, autom...
Patent number
12,276,028
Issue date
Apr 15, 2025
JFE Steel Corporation
Shunsuke Yamamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
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...
Patents Applications
last 30 patents
Information
Patent Application
ENAMELABLE STEEL SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20250236936
Publication date
Jul 24, 2025
VOESTALPINE STAHL GMBH
Klemens MRACZEK
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Grain-Oriented Electrical Steel Sheet and Method for Its Production
Publication number
20250236935
Publication date
Jul 24, 2025
THYSSENKRUPP ELECTRICAL STEEL GMBH
Ludger Lahn
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL
Publication number
20250215544
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Mikiko NOGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A SUPPORT FILM FOR CATALYTIC CONVERTERS
Publication number
20250215540
Publication date
Jul 3, 2025
VDM Metals International GmbH
Rolf SCHENCKING
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-STAMPED COMPONENT HAVING HIGH COLD-BENDING PERFORMANCE AND HIGH...
Publication number
20250215519
Publication date
Jul 3, 2025
Baoshan Iron & Steel Co., Ltd
Ning TAN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20250207215
Publication date
Jun 26, 2025
JFE STEEL CORPORATION
Kohei KAWAZOME
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
Publication number
20250207232
Publication date
Jun 26, 2025
JFE STEEL CORPORATION
Yuya SATO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING THEM
Publication number
20250197961
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Yoshiyasu KAWASAKI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET HAVING EXCELLENT COLD BENDABILITY AFTER HEAT...
Publication number
20250197981
Publication date
Jun 19, 2025
POSCO CO., LTD
Hwan-Goo Seong
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET
Publication number
20250197984
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250197959
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Junya Tobata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE AND METHOD OF PRODUCING SAME
Publication number
20250197980
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Yuya SATO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME
Publication number
20250188558
Publication date
Jun 12, 2025
JFE STEEL CORPORATION
Shimpei YOSHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME
Publication number
20250179603
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Shimpei YOSHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME
Publication number
20250179602
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Shimpei YOSHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR...
Publication number
20250171869
Publication date
May 29, 2025
JFE STEEL CORPORATION
Shinsuke KOMINE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
High Strength, Cold Rolled Steel With Reduced Sensitivity to Hydrog...
Publication number
20250171871
Publication date
May 29, 2025
ThyssenKrupp Steel Europe AG
Richard G. Thiessen
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL PLATE FOR HIGH HEAT INPUT WELDING AND MANUFACTURING METHOD TH...
Publication number
20250163555
Publication date
May 22, 2025
Zhangjiagang Rongsheng Special Steel Co. Ltd.
Yu ZHANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT PRESS-FORMED PART AND MANUFACTURING METHOD THEREOF
Publication number
20250153234
Publication date
May 15, 2025
POSCO CO., LTD
Sang-Heon Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL PLATE FOR PRESSURE VESSEL WITH EXCELLENT CRYOGENIC TOUGHNESS...
Publication number
20250154620
Publication date
May 15, 2025
POSCO CO., LTD.
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL COMPOSITE GALVANIZED SHEET RESISTANT TO LME CRA...
Publication number
20250144916
Publication date
May 8, 2025
Baoshan Iron & Steel Co., Ltd
Ming LEI
B32 - LAYERED PRODUCTS
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250146094
Publication date
May 8, 2025
NIPPON STEEL CORPORATION
Takuya NISHIO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT DIP-COATED STEEL STRIP WITH PLASTICITY BROUGHT AB...
Publication number
20250146097
Publication date
May 8, 2025
SALZGITTER FLACHSTAHL GMBH
Konstantin Molodov
B32 - LAYERED PRODUCTS
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT HOLE-E...
Publication number
20250137085
Publication date
May 1, 2025
POSCO CO., LTD.
Min-Seo KOO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250137084
Publication date
May 1, 2025
JFE STEEL CORPORATION
Yusuke Wada
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250122592
Publication date
Apr 17, 2025
HYUNDAI STEEL COMPANY
Bong June Park
C21 - METALLURGY OF IRON
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