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C21D2211/005
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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
C21D2211/00
Microstructure comprising significant phases
Current Industry
C21D2211/005
Ferrite
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Patents Grants
last 30 patents
Information
Patent Grant
Hot rolled steel sheet
Patent number
11,981,984
Issue date
May 14, 2024
Nippon Steel Corporation
Takeshi Toyoda
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet having excellent impact resistant propert...
Patent number
11,981,975
Issue date
May 14, 2024
POSCO Co., Ltd
Sung-Il Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet, member, and method for producing them
Patent number
11,976,341
Issue date
May 7, 2024
JFE Steel Corporation
Shinsuke Komine
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet
Patent number
11,970,752
Issue date
Apr 30, 2024
Nippon Steel Corporation
Kengo Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,970,758
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
Information
Patent Grant
Thin steel sheet and method for manufacturing the same
Patent number
11,965,223
Issue date
Apr 23, 2024
JFE Steel Corporation
Noriaki Kohsaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Multiphase ultra-high strength hot rolled steel
Patent number
11,965,230
Issue date
Apr 23, 2024
Nucor Corporation
Weiping Sun
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet having excellent toughness, ductility and strength, and...
Patent number
11,965,225
Issue date
Apr 23, 2024
Arcelormittal
Coralie Jung
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength stainless steel
Patent number
11,952,649
Issue date
Apr 9, 2024
POSCO Co., Ltd
Jong Jin Jeon
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing ferritic lightweight steel and ferritic li...
Patent number
11,952,647
Issue date
Apr 9, 2024
Industry-Academic Cooperation Foundation Gyeongsang National University
Jae Bok Seol
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling amount of silicon added to ductile cast iron...
Patent number
11,946,120
Issue date
Apr 2, 2024
TIANRUN INDUSTRY TECHNOLOGY CO., LTD.
Jianchen Cong
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel and ferritic stainless steel pipe with imp...
Patent number
11,946,125
Issue date
Apr 2, 2024
POSCO Co., Ltd
Kye-Man Lee
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
Al—Fe-alloy plated steel sheet for hot forming, having excellent TW...
Patent number
11,939,651
Issue date
Mar 26, 2024
POSCO Co., Ltd
Seong-Woo Kim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
Patent number
11,939,639
Issue date
Mar 26, 2024
POSCO Co., Ltd
Hwan-Goo Seong
C21 - METALLURGY OF IRON
Information
Patent Grant
Duplex ferritic austenitic stainless steel composition
Patent number
11,932,926
Issue date
Mar 19, 2024
OUTOKUMPU OYJ
James Oliver
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength and high formability steel sheet and manufacturing me...
Patent number
11,920,208
Issue date
Mar 5, 2024
Arcelormittal
Coralie Jung
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Cold rolled flat steel product for packaging and method for produci...
Patent number
11,920,206
Issue date
Mar 5, 2024
Thyssenkrupp Rasselstein GmbH
Burkhard Kaup
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,913,088
Issue date
Feb 27, 2024
Kobe Steel, Ltd.
Tadao Murata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a press-hardened laser welded steel part and p...
Patent number
11,911,847
Issue date
Feb 27, 2024
Arcelormittal
Francis Schmit
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Low-density clad steel sheet having excellent strength and plateabi...
Patent number
11,913,089
Issue date
Feb 27, 2024
POSCO Co., Ltd
Min-Seo Koo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
11,913,087
Issue date
Feb 27, 2024
JFE Steel Corporation
Fusae Shiimori
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
11,905,570
Issue date
Feb 20, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Crankshaft and method of manufacture
Patent number
11,905,992
Issue date
Feb 20, 2024
GM Global Technology Operations LLC
Jianghuai Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and method for manufacturing same
Patent number
11,898,230
Issue date
Feb 13, 2024
JFE Steel Corporation
Shimpei Yoshioka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing steel plate member
Patent number
11,898,217
Issue date
Feb 13, 2024
Toyota Jidosha Kabushiki Kaisha
Shoji Kawano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Duplex stainless clad steel plate and method of producing same
Patent number
11,891,675
Issue date
Feb 6, 2024
JFE Steel Corporation
Yota Kuronuma
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20240150863
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Katsuya NAKANO
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTU...
Publication number
20240150861
Publication date
May 9, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Koji YAMASHITA
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC FREE-CUTTING STAINLESS STEEL MATERIAL
Publication number
20240150881
Publication date
May 9, 2024
DAIDO STEEL CO., LTD.
Chihiro FURUSHO
C21 - METALLURGY OF IRON
Information
Patent Application
CLAD STEEL PLATE, MEMBER, AND PRODUCTION METHODS FOR SAME
Publication number
20240150876
Publication date
May 9, 2024
JFE STEEL CORPORATION
Yoshiyasu KAWASAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Flat Steel Product, Method for the Production Thereof, and Use of S...
Publication number
20240141455
Publication date
May 2, 2024
ThyssenKrupp Steel Europe AG
Ekaterina Bocharova
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND WELDED JOINT
Publication number
20240141467
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE
Publication number
20240141451
Publication date
May 2, 2024
Nippon Steel Corporation
Kenzo TASHIMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240141452
Publication date
May 2, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF
Publication number
20240141466
Publication date
May 2, 2024
Sandvik Intellectual Property AB
Daniel GULLBERG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED FLAT STEEL PRODUCT HAVING HIGH LOCAL COLD...
Publication number
20240141450
Publication date
May 2, 2024
SALZGITTER FLACHSTAHL GMBH
Ingwer Denks
C21 - METALLURGY OF IRON
Information
Patent Application
SOFT MAGNETIC IRON ALLOY SHEET AND METHOD OF MANUFACTURING THE SAME
Publication number
20240136096
Publication date
Apr 25, 2024
Hitachi, Ltd
Tomohiro TABATA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
COLD ROLLED AND ANNEALED STEEL SHEET, METHOD OF PRODUCTION THEREOF...
Publication number
20240117457
Publication date
Apr 11, 2024
ARCELORMITTAL
Xavier GARAT
C21 - METALLURGY OF IRON
Information
Patent Application
A ZINC OR ZINC-ALLOY COATED STRIP OR STEEL WITH IMPROVED ZINC ADHESION
Publication number
20240117455
Publication date
Apr 11, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
Information
Patent Application
EXTRA THICK HOT ROLLED H SECTION STEEL AND PRODUCTION METHOD THEREFOR
Publication number
20240110255
Publication date
Apr 4, 2024
MAANSHAN IRON & STEEL CO., LTD.
Meng XIA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
GALVANNEALED STEEL SHEET
Publication number
20240110257
Publication date
Apr 4, 2024
ARCELORMITTAL
David ZAPICO ALVAREZ
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE STRAI...
Publication number
20240110267
Publication date
Apr 4, 2024
POSCO CO., LTD.
Kyung-Keun Um
C21 - METALLURGY OF IRON
Information
Patent Application
CHROMIUM STEEL HAVING EXCELLENT HIGH-TEMPERATURE OXIDATION RESISTAN...
Publication number
20240102136
Publication date
Mar 28, 2024
POSCO
Hyun-Je Sung
C21 - METALLURGY OF IRON
Information
Patent Application
Coated steel sheet and high strength press hardened steel part and...
Publication number
20240102138
Publication date
Mar 28, 2024
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
QT HEAT TREATED HIGH CARBON HOT ROLLED STEEL SHEET, HIGH CARBON COL...
Publication number
20240076766
Publication date
Mar 7, 2024
POSCO Co., Ltd
Sun-Mi KIM
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING ANNEALED AND PICKLED STEEL SHEET
Publication number
20240076765
Publication date
Mar 7, 2024
JFE STEEL CORPORATION
Hayato TAKEYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF
Publication number
20240068064
Publication date
Feb 29, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Han MA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL AEROSOL MONOBLOC
Publication number
20240060160
Publication date
Feb 22, 2024
ARCELORMITTAL
Christophe CASTAN
C21 - METALLURGY OF IRON
Information
Patent Application
A ZINC OR ZINC-ALLOY COATED STRIP OR STEEL WITH IMPROVED ZINC ADHESION
Publication number
20240060163
Publication date
Feb 22, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND ANTIBACTER...
Publication number
20240060151
Publication date
Feb 22, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Akinori KAWANO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR PIPE HAVING EXCELLENT HYDROGEN-INDUCED CRACK RESIST...
Publication number
20240052450
Publication date
Feb 15, 2024
POSCO Co., Ltd
Kyung-Min NOH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL SHEET FOR SEISMIC DAMPER HAVING SUPERIOR TOUGHNESS PROPERTY A...
Publication number
20240052451
Publication date
Feb 15, 2024
POSCO Co., Ltd
Jae-Young CHO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET, IMPACT ABSORBING MEMBER, AND METHOD FOR...
Publication number
20240052464
Publication date
Feb 15, 2024
JFE STEEL CORPORATION
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON