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C21D8/0231
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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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C21D8/0231
Warm rolling
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing a metal sheet with a ZnAl coating and with...
Patent number
11,572,613
Issue date
Feb 7, 2023
Arcelormittal
Jean-Michel Mataigne
C21 - METALLURGY OF IRON
Information
Patent Grant
Rolling and preparation method of magnesium alloy sheet
Patent number
11,534,806
Issue date
Dec 27, 2022
Baoshan Iron & Steel Co., Ltd.
Shiwei Xu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High-strength steel sheet for warm working and method for manufactu...
Patent number
11,414,720
Issue date
Aug 16, 2022
JFE Steel Corporation
Hiroshi Hasegawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing roll-bonded metal sheets
Patent number
11,344,968
Issue date
May 31, 2022
voestalpine Grobblech GmbH
Franz Winter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Hot dip galvanized steel sheet and hot dip galvannealed steel sheet
Patent number
11,225,701
Issue date
Jan 18, 2022
Nippon Steel Corporation
Jun Haga
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Two-phase steel and method for the fabrication of the same
Patent number
11,186,890
Issue date
Nov 30, 2021
The University of Hong Kong
Mingxin Huang
C21 - METALLURGY OF IRON
Information
Patent Grant
1900 MPa grade press hardening steel by thin slab casting and direc...
Patent number
11,124,851
Issue date
Sep 21, 2021
WUHAN IRON AND STEEL COMPANY LIMITED
Xinping Mao
C21 - METALLURGY OF IRON
Information
Patent Grant
1500 MPa grade press hardening steel by thin slab casting and direc...
Patent number
10,995,380
Issue date
May 4, 2021
WUHAN IRON AND STEEL COMPANY LIMITED
Xinping Mao
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Very high strength martensitic steel or part and method of fabrication
Patent number
10,895,003
Issue date
Jan 19, 2021
Arcelormittal
Kangying Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Reduction at elevated temperature of coated steels containing metas...
Patent number
10,711,320
Issue date
Jul 14, 2020
AK Steel Properties, Inc.
Amrinder Singh Gill
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Chassis component having high durability
Patent number
10,661,532
Issue date
May 26, 2020
ThyssenKrupp Steel Europe AG
David Pieronek
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Low thermal expansion superalloy and manufacturing method thereof
Patent number
10,633,717
Issue date
Apr 28, 2020
Hitachi Metals, Ltd.
Toshihiro Uehara
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for the production of very high strength martensitic steel a...
Patent number
10,337,090
Issue date
Jul 2, 2019
Arcelormittal Investigación Y Desarrollo, S.L.
Kangying Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Production lines and methods for hot rolling steel strip
Patent number
10,335,840
Issue date
Jul 2, 2019
ThyssenKrupp Steel Europe AG
Heribert Fischer
C21 - METALLURGY OF IRON
Information
Patent Grant
Fe—Mn—C-based TWIP steel having remarkable mechanical performance a...
Patent number
10,144,982
Issue date
Dec 4, 2018
POSTECH ACADEMY-INDUSTRY FOUNDATION
Tae Kyung Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of achieving trip microstructure in steels by means of defor...
Patent number
8,940,111
Issue date
Jan 27, 2015
Zapadoceska Univerzita v Plzni
Bohuslav Masek
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of making a nanostructured austenitic steel sheet
Patent number
8,409,367
Issue date
Apr 2, 2013
The Hong Kong Polytechnic University
Jian Lu
B82 - NANO-TECHNOLOGY
Information
Patent Grant
High strength steel plate, steel pipe with excellent low temperatur...
Patent number
8,110,292
Issue date
Feb 7, 2012
Nippon Steel Corporation
Taishi Fujishiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Fine grain surface layer steel part and method of production of same
Patent number
7,824,508
Issue date
Nov 2, 2010
Nippon Steel Corporation
Shinya Teramoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Controlled warm-rolling method
Patent number
7,727,343
Issue date
Jun 1, 2010
National Institute for Materials Science
Shiro Torizuka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength micro-alloy steel
Patent number
7,220,325
Issue date
May 22, 2007
IPSCO Enterprises, Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for making high strength micro-alloy steel
Patent number
6,682,613
Issue date
Jan 27, 2004
Ipsco Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Grant
Fine ferrite-based structure steel production method
Patent number
6,572,716
Issue date
Jun 3, 2003
National Research Institute for Metals
Tohru Hayashi
C21 - METALLURGY OF IRON
Information
Patent Grant
Process and device for producing a steel strip or sheet
Patent number
6,533,876
Issue date
Mar 18, 2003
Corus Staal
Marcus Cornelis Maria Cornelissen
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel sheet having superior workability at room...
Patent number
6,521,056
Issue date
Feb 18, 2003
Kawasaki Steel Corporation
Mineo Muraki
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic Cr-containing steel sheet having excellent ductility, form...
Patent number
6,500,280
Issue date
Dec 31, 2002
Kawasaki Steel Corporation
Hiroki Ota
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing ferritic Cr-containing steel sheet having excel...
Patent number
6,413,332
Issue date
Jul 2, 2002
Kawasaki Steel Corporation
Hiroki Ota
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolling steel strip
Patent number
6,284,069
Issue date
Sep 4, 2001
Thyssen Krupp Stahl AG
Hans Pircher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Strain-induced transformation to ultrafine microstructure in steel
Patent number
6,027,587
Issue date
Feb 22, 2000
The Broken Hill Proprietary Company Limited
Peter Damian Hodgson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High tensile steel having excellent fatigue strength at its weld an...
Patent number
5,634,988
Issue date
Jun 3, 1997
Nippon Steel Corporation
Katsumi Kurebayashi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
Strong and Ductile Medium Manganese Steel and Method of Making
Publication number
20230340650
Publication date
Oct 26, 2023
The University of Hong Kong
Mingxin Huang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A METAL SHEET WITH A ZnAl COATING AND WITH...
Publication number
20230119030
Publication date
Apr 20, 2023
ARCELORMITTAL
Jean-Michel Mataigne
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-TENSILE STEEL CONTAINING MANGANESE, USE OF SAID STEEL FOR FLEX...
Publication number
20210301376
Publication date
Sep 30, 2021
SALZGITTER FLACHSTAHL GMBH
PETER PALZER
C21 - METALLURGY OF IRON
Information
Patent Application
Method of manufacturing continuous cast aluminium alloy strip of va...
Publication number
20200298303
Publication date
Sep 24, 2020
ALERIS ROLLED PRODUCTS GERMANY GMBH
Philippe MEYER
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Very High Strength Martensitic Steel or Part and Method of Fabrication
Publication number
20190226060
Publication date
Jul 25, 2019
ARCELORMITTAL
Kangying Zhu
C21 - METALLURGY OF IRON
Information
Patent Application
DUAL-PHASE STEEL AND METHOD FOR THE FABRICATION OF THE SAME
Publication number
20190194773
Publication date
Jun 27, 2019
The University of Hong Kong
Mingxin HUANG
C21 - METALLURGY OF IRON
Information
Patent Application
1900 MPa GRADE PRESS HARDENING STEEL BY THIN SLAB CASTING AND DIREC...
Publication number
20190185953
Publication date
Jun 20, 2019
WUHAN IRON AND STEEL COMPANY LIMITED
Xinping MAO
C21 - METALLURGY OF IRON
Information
Patent Application
1500 MPa GRADE PRESS HARDENING STEEL BY THIN SLAB CASTING AND DIREC...
Publication number
20190185952
Publication date
Jun 20, 2019
WUHAN IRON AND STEEL COMPANY LIMITED
Xinping MAO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET FOR WARM WORKING AND METHOD FOR MANUFACTU...
Publication number
20190040489
Publication date
Feb 7, 2019
JFE STEEL CORPORATION
Hiroshi HASEGAWA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
WARM ROLLING OF STEELS CONTAINING METASTABLE AUSTENITE
Publication number
20170204493
Publication date
Jul 20, 2017
AK STEEL PROPERTIES, INC.
Amrinder Singh Gill
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC LIGHTWEIGHT STEEL SHEET HAVING EXCELLENT STRENGTH AND DUCT...
Publication number
20170002436
Publication date
Jan 5, 2017
POSCO
Han Soo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
High Strength Dual-Phase TRIP Steel and Method for Making Same
Publication number
20160281196
Publication date
Sep 29, 2016
NANO AND ADVANCED MATERIALS INSTITUTE LIMITED
Mingxin HUANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR THE PRODUCTION OF VERY HIGH STRENGTH MARTENSITIC STEEL A...
Publication number
20140076470
Publication date
Mar 20, 2014
Kangying Zhu
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF ACHIEVING TRIP MICROSTRUCTURE IN STEELS BY MEANS OF DEFOR...
Publication number
20130081741
Publication date
Apr 4, 2013
Bohuslav MASEK
C21 - METALLURGY OF IRON
Information
Patent Application
Blast Resistant, Non-Magnetic, Stainless Steel Armor
Publication number
20120156085
Publication date
Jun 21, 2012
Peter T. Thompson
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL PLATE, STEEL PIPE WITH EXCELLENT LOW TEMPERATU...
Publication number
20110023991
Publication date
Feb 3, 2011
Taishi Fujishiro
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NANOSTRUCTURED AUSTENITIC STEEL AND METHOD OF MAKING NANOSTRUCTURED...
Publication number
20100101686
Publication date
Apr 29, 2010
The Hong Kong Polytechnic University
Jian Lu
C21 - METALLURGY OF IRON
Information
Patent Application
Steel for Warm Working, Warm Working Method Using the Steel, and St...
Publication number
20090277539
Publication date
Nov 12, 2009
Yuuji Kimura
C21 - METALLURGY OF IRON
Information
Patent Application
Fine grain surface layer steel part and method of production of same
Publication number
20090095383
Publication date
Apr 16, 2009
Nippon Steel Corporation
Shinya Teramoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Warm rolling method
Publication number
20060191613
Publication date
Aug 31, 2006
Shiro Torizuka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Controlled warm-rolling method
Publication number
20060054255
Publication date
Mar 16, 2006
Shiro Torizuka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
High-strength micro-alloy steel
Publication number
20040101432
Publication date
May 27, 2004
IPSCO Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Application
High-strength micro-alloy steel and process for making same
Publication number
20030190251
Publication date
Oct 9, 2003
IPSCO Enterprises Inc.
Dengqi Bai
C21 - METALLURGY OF IRON
Information
Patent Application
Ferritic Cr-containing steel sheet having excellent ductility, form...
Publication number
20020074067
Publication date
Jun 20, 2002
Kawasaki Steel Corporation
Hiroki Ota
C21 - METALLURGY OF IRON
Information
Patent Application
Ferritic stainless steel sheet having superior workability at room...
Publication number
20020036036
Publication date
Mar 28, 2002
Kawasaki Steel Corporation
Mineo Muraki
C21 - METALLURGY OF IRON
Information
Patent Application
FINE FERRITE-BASED STRUCTURE STEEL AND PRODUCTION METHOD THEREOF
Publication number
20020014285
Publication date
Feb 7, 2002
TOHRU HAYASHI
C21 - METALLURGY OF IRON