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C21D8/0236
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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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C21D8/0236
Cold rolling
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Patents Grants
last 30 patents
Information
Patent Grant
High strength steel sheet and method for manufacturing the same
Patent number
12,365,961
Issue date
Jul 22, 2025
JFE Steel Corporation
Kazuki Endoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal-strip rapid cooling apparatus, metal-strip rapid cooling meth...
Patent number
12,365,956
Issue date
Jul 22, 2025
JFE Steel Corporation
Soshi Yoshimoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing clad steel sheet having excellent formabili...
Patent number
12,358,274
Issue date
Jul 15, 2025
POSCO Co., Ltd
Tae-Jin Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
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
Cold-rolling strip steel with strength and hardness thereof varying...
Patent number
12,351,887
Issue date
Jul 8, 2025
Baoshan Iron & Steel Co., Ltd.
Xiaodong Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc plated steel sheet having excellent spot weldability and manuf...
Patent number
12,344,923
Issue date
Jul 1, 2025
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,344,912
Issue date
Jul 1, 2025
Nippon Steel Corporation
Yuya Suzuki
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet, member, and methods for producing the same
Patent number
12,338,505
Issue date
Jun 24, 2025
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-dip galvanized steel sheet with excellent formabi...
Patent number
12,338,533
Issue date
Jun 24, 2025
POSCO Co., Ltd
Yu-Mi Ha
C21 - METALLURGY OF IRON
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
Grain-oriented electrical steel sheet and manufacturing method ther...
Patent number
12,331,370
Issue date
Jun 17, 2025
Posco
Chang-Soo Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel compositions, methods of manufacture and uses in producing ri...
Patent number
12,331,372
Issue date
Jun 17, 2025
Greer Steel Company
Douglas B. Campbell
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Thin steel sheet and method for manufacturing same
Patent number
12,331,374
Issue date
Jun 17, 2025
JFE Steel Corporation
Noriaki Kohsaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,331,378
Issue date
Jun 17, 2025
Nippon Steel Corporation
Takahiko Kohtake
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
Method for manufacturing a steel sheet with a ZnAlMg coating, corre...
Patent number
12,325,893
Issue date
Jun 10, 2025
Arcelormittal
Eric Jacqueson
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing of stainless steel strips
Patent number
12,325,888
Issue date
Jun 10, 2025
OUTOKUMPU OYJ
Esa Puukko
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Aluminum alloy material suitable for use in the food industry and p...
Patent number
12,325,900
Issue date
Jun 10, 2025
Mustafa Murat Dundar
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
12,325,890
Issue date
Jun 10, 2025
POSCO Co., Ltd
Min Soo Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet
Patent number
12,319,992
Issue date
Jun 3, 2025
voestalpine STAHL GmbH
Florian Winkelhofer
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel sheet and method for manufacturing the same
Patent number
12,312,650
Issue date
May 27, 2025
JFE Steel Corporation
Shuji Nishida
C21 - METALLURGY OF IRON
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
Method of manufacturing grain-oriented electrical steel sheet
Patent number
12,312,662
Issue date
May 27, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet
Patent number
12,305,257
Issue date
May 20, 2025
JFE Steel Corporation
Shinichi Furuya
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet and methods for manufacturing the same
Patent number
12,305,247
Issue date
May 20, 2025
JFE Steel Corporation
Shuji Nishida
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet for cans and method of producing same
Patent number
12,305,254
Issue date
May 20, 2025
JFE Steel Corporation
Nobusuke Kariya
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and manufacturing method thereof
Patent number
12,305,256
Issue date
May 20, 2025
POSCO Co., Ltd
Young-Roc Im
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
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
Patents Applications
last 30 patents
Information
Patent Application
ECO-FRIENDLY STEEL SHEET HAVING HIGH STRENGTH AND HIGH FORMABILITY,...
Publication number
20250236924
Publication date
Jul 24, 2025
POSCO CO., LTD
Sung-Kyu Kim
C21 - METALLURGY OF IRON
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
Treatment Method Of Foil, Production Method Of Foil, And Foil
Publication number
20250236923
Publication date
Jul 24, 2025
NIPPON PISTON RING CO., LTD.
Takasumi KUBO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250223662
Publication date
Jul 10, 2025
JFE STEEL CORPORATION
Junya Tobata
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND ENAMELED PRODUCT
Publication number
20250215543
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Nobuo YOSHIKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET
Publication number
20250215545
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Takuya NISHIO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX
Publication number
20250207216
Publication date
Jun 26, 2025
ARCELORMITTAL
Colin SCOTT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HOT PRESS FORMED PRODUCT HAVING EXCELLENT CORROSION RESISTANCE AND...
Publication number
20250207235
Publication date
Jun 26, 2025
POSCO CO., LTD.
Il-Ryoung SOHN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
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
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250197960
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Junya Tobata
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250197979
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Junya Tobata
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
ULTRAHIGH-STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250188563
Publication date
Jun 12, 2025
HYUNDAI STEEL COMPANY
Ho Yong Um
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
COLD ROLLED STEEL PLATE FOR GALVANIZED STEEL PLATE, GALVANIZED STEE...
Publication number
20250171884
Publication date
May 29, 2025
Baoshan Iron & Steel Co., Ltd
Shuang XIE
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 SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR...
Publication number
20250163531
Publication date
May 22, 2025
JFE STEEL CORPORATION
Shinsuke KOMINE
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM
Publication number
20250163530
Publication date
May 22, 2025
JFE STEEL CORPORATION
Katsuya HATA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250163585
Publication date
May 22, 2025
POSCO CO., LTD
Kang-Min Lee
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD FOR MANUFACTURING STEEL SHEET
Publication number
20250146095
Publication date
May 8, 2025
NIPPON STEEL CORPORATION
Takafumi YOKOYAMA
C21 - METALLURGY OF IRON
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 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
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