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C21D8/1227
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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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C21D8/1227
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Patents Grants
last 30 patents
Information
Patent Grant
Component made of metallic composite material and method for the ma...
Patent number
10,974,485
Issue date
Apr 13, 2021
OUTOKUMPU OYJ
Gabriele Brückner
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High silicon steel sheet having excellent productivity and magnetic...
Patent number
10,134,513
Issue date
Nov 20, 2018
POSCO
Byung-Deug Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of stress inducing transformation of austenite stainless ste...
Patent number
6,949,148
Issue date
Sep 27, 2005
Denso Corporation
Satoshi Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Electrical steel sheet suitable for compact iron core and manufactu...
Patent number
6,562,473
Issue date
May 13, 2003
Kawasaki Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of stress inducing transformation of austenite stainless ste...
Patent number
6,521,055
Issue date
Feb 18, 2003
Denso Corporation
Satoshi Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing a paramagnetic, corrosion-resistant material...
Patent number
6,454,879
Issue date
Sep 24, 2002
Schoeller-Bleckman Oilfield Technology GmbH & Co. KG
Herbert Aigner
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a grain-oriented electromagnetic steel sheet
Patent number
6,444,051
Issue date
Sep 3, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for the inhibition control in the production of grain-orien...
Patent number
6,361,620
Issue date
Mar 26, 2002
Acciai Speciali Terni S.p.A.
Stefano Cicaleā²
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of stress inducing transformation of austenite stainless ste...
Patent number
6,143,094
Issue date
Nov 7, 2000
Denso Corporation
Satoshi Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet excellent in magnetic charact...
Patent number
6,110,298
Issue date
Aug 29, 2000
Kawasaki Steel Corporation
Kunihiro Senda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented silicon steel sheet
Patent number
5,855,694
Issue date
Jan 5, 1999
Kawasaki Steel Corporation
Tetsuo Toge
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
5,853,499
Issue date
Dec 29, 1998
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
5,718,775
Issue date
Feb 17, 1998
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing grain-oriented silicon steel sheet exhibiti...
Patent number
5,679,178
Issue date
Oct 21, 1997
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of cold rolling grain-oriented silicon steel sheet having ex...
Patent number
5,666,842
Issue date
Sep 16, 1997
Kawasaki Steel Corporation
Michiro Komatsubara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for producing ultrahigh silicon electrical thin steel sheet...
Patent number
5,614,034
Issue date
Mar 25, 1997
Nippon Steel Corporation
Yozo Suga
C21 - METALLURGY OF IRON
Information
Patent Grant
Oriented magnetic steel sheets and manufacturing process therefor
Patent number
5,425,820
Issue date
Jun 20, 1995
Sumitomo Metal Industries, Ltd.
Hiroyoshi Yashiki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing low iron loss, low-noise grain-oriented silicon...
Patent number
5,411,604
Issue date
May 2, 1995
Kawasaki Steel Corporation
Yukio Inokuti
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing grain oriented silicon steel sheet having low i...
Patent number
5,342,454
Issue date
Aug 30, 1994
Kawasaki Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing non-oriented electromagnetic steel sheet havi...
Patent number
5,259,892
Issue date
Nov 9, 1993
Nippon Steel Corporation
Takeshi Kubota
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing an oriented silicon steel sheet having impr...
Patent number
5,244,511
Issue date
Sep 14, 1993
Kawasaki Steel Corporation
Michiro Komatsubara
C06 - EXPLOSIVES MATCHES
Information
Patent Grant
Method of producing low iron loss grain oriented silicon steel thin...
Patent number
5,203,928
Issue date
Apr 20, 1993
Kawasaki Steel Corporation
Yukio Inokuti
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing grain oriented silicon steel sheets having ex...
Patent number
5,181,972
Issue date
Jan 26, 1993
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for making non-oriented high silicon steel sheet
Patent number
4,986,341
Issue date
Jan 22, 1991
Nippon Kokan Kabushiki Kaisha
Sadakazu Masuda
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producting thin sheet of high Si-Fe alloy
Patent number
4,715,905
Issue date
Dec 29, 1987
Nippon Kokan Kabushiki Kaisha
Kazuhide Nakaoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing a grain oriented silicon steel sheet excellen...
Patent number
4,702,780
Issue date
Oct 27, 1987
Kawasaki Steel Corporation
Yukio Inokuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented silicon steel sheets having a very low iron loss and...
Patent number
4,579,608
Issue date
Apr 1, 1986
Kawasaki Steel Corporation
Yoh Shimizu
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for producing a grain-oriented electrical steel sheet
Patent number
4,563,226
Issue date
Jan 7, 1986
Nippon Steel Corporation
Munetsugu Matsuo
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of preparing an oriented-low-alloy iron from an ingot of con...
Patent number
4,251,296
Issue date
Feb 17, 1981
Westinghouse Electric Corp.
Donald R. Thornburg
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods of producing silicon steel strip
Patent number
4,231,818
Issue date
Nov 4, 1980
Allegheny Ludlum Industries, Inc.
Robert H. Henke
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
SOFT MAGNETIC STEEL SHEET AND MANUFACTURING METHOD THEREOF
Publication number
20240327960
Publication date
Oct 3, 2024
Honda Motor Co., Ltd.
Yoshiyuki NAKAZAWA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20220186330
Publication date
Jun 16, 2022
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH SILICON STEEL SHEET HAVING EXCELLENT PRODUCTIVITY AND MAGNETIC...
Publication number
20140366989
Publication date
Dec 18, 2014
Byung-Deug Hong
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20130306200
Publication date
Nov 21, 2013
JFE STEEL CORPORATION
Masaaki Kohno
C21 - METALLURGY OF IRON
Information
Patent Application
Method of stress inducing transformation of austenite stainless ste...
Publication number
20030121567
Publication date
Jul 3, 2003
Satoshi Sugiyama
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing a grain-oriented electromagnetic steel sheet
Publication number
20020011278
Publication date
Jan 31, 2002
Kawasaki Steel Corporation
Michiro Komatsubara
C21 - METALLURGY OF IRON