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C21D1/19
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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
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General methods or devices for heat treatments
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by interrupted quenching
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing a 5NI steel plate with a low remanence and...
Patent number
12,163,199
Issue date
Dec 10, 2024
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD
Zhaoxia Liu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a ultra high strength coated or not coated ste...
Patent number
12,157,922
Issue date
Dec 3, 2024
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Galvanized steel sheet, member, and method for producing them
Patent number
12,091,723
Issue date
Sep 17, 2024
JFE Steel Corporation
Shinsuke Komine
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Advanced high strength zinc plated steel sheet having excellent sur...
Patent number
12,000,008
Issue date
Jun 4, 2024
Posco
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
Low density press-hardening steel having enhanced mechanical proper...
Patent number
11,951,522
Issue date
Apr 9, 2024
GM Global Technology Operations LLC
Jiachen Pang
C21 - METALLURGY OF IRON
Information
Patent Grant
Carbide-free bainite and retained austenite steels, producing metho...
Patent number
11,920,209
Issue date
Mar 5, 2024
Northwestern University
Kazuhiko Nishioka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength steel sheet having improved st...
Patent number
11,618,931
Issue date
Apr 4, 2023
Arcelormittal
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Grant
Low density press-hardening steel having enhanced mechanical proper...
Patent number
11,612,926
Issue date
Mar 28, 2023
GM Global Technology Operations LLC
Jiachen Pang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a high strength steel sheet having improved st...
Patent number
11,555,226
Issue date
Jan 17, 2023
Arcelormittal
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Grant
Thick steel plate for structural pipes or tubes, method of producin...
Patent number
11,555,233
Issue date
Jan 17, 2023
JFE Steel Corporation
Shusaku Ota
C21 - METALLURGY OF IRON
Information
Patent Grant
Press hardened steel with tailored properties
Patent number
11,491,581
Issue date
Nov 8, 2022
Cleveland-Cliffs Steel Properties Inc.
Erik James Pavlina
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength cold-rolled steel sheet and manufacturing method ther...
Patent number
11,473,164
Issue date
Oct 18, 2022
Nippon Steel Corporation
Takuya Nishio
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Heat treatment method and heat treatment device
Patent number
11,359,254
Issue date
Jun 14, 2022
Schwartz GmbH
Andreas Reinartz
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold rolled steel sheet having high formability and a...
Patent number
11,279,984
Issue date
Mar 22, 2022
Arcelormittal
Jean-Marc Pipard
C21 - METALLURGY OF IRON
Information
Patent Grant
Temporary corrosion protection layer
Patent number
11,261,514
Issue date
Mar 1, 2022
ThyssenKrupp Steel Europe AG
Janko Banik
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing an ultra high strength coated or not coated st...
Patent number
11,131,003
Issue date
Sep 28, 2021
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a ultra high strength coated or not coated ste...
Patent number
11,124,853
Issue date
Sep 21, 2021
Arcelormittal
Olga A. Girina
B32 - LAYERED PRODUCTS
Information
Patent Grant
Heat treatment method and heat treatment device
Patent number
11,118,239
Issue date
Sep 14, 2021
Schwartz GmbH
Frank Wilden
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for the heat treatment of a metal component
Patent number
11,078,553
Issue date
Aug 3, 2021
Schwartz GmbH
Andreas Reinartz
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing stainless pipe for oil wells and stainless...
Patent number
11,066,718
Issue date
Jul 20, 2021
Nippon Steel Corporation
Hiroki Kamitani
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat-treated steel sheet member and method for producing the same
Patent number
11,041,225
Issue date
Jun 22, 2021
Nippon Steel Corporation
Yoshihiro Suwa
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing an ultra high strength coated or not coated st...
Patent number
11,001,904
Issue date
May 11, 2021
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a high strength coated steel sheet having impr...
Patent number
10,995,383
Issue date
May 4, 2021
Arcelormittal
Dongwei Fan
B32 - LAYERED PRODUCTS
Information
Patent Grant
High strength hot dip galvanised steel strip
Patent number
10,927,429
Issue date
Feb 23, 2021
TATA STEEL IJMUIDEN BV
Joost Willem Hendrik Van Krevel
Y10 - TECHNICAL SUBJECTS COVERED BY FORMER USPC
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
Ultra high obdurability steel plate having low yield ratio and proc...
Patent number
10,801,090
Issue date
Oct 13, 2020
Baoshan Iron & Steel Co., Ltd.
Sixin Zhao
C21 - METALLURGY OF IRON
Information
Patent Grant
Abrasion-resistant steel material excellent in fatigue characterist...
Patent number
10,662,492
Issue date
May 26, 2020
NIPPON STEEL NISSHIN CO., LTD.
Hironori Kubo
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for heat treatment of stainless member, and method for produ...
Patent number
10,370,734
Issue date
Aug 6, 2019
Mitsubishi Hitachi Power Systems, Ltd.
Kohei Hatano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for manufacturing steel sheet
Patent number
10,370,746
Issue date
Aug 6, 2019
Arcelormittal
Sebastien Allain
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
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING A 5NI STEEL PLATE WITH A LOW REMANENCE AND...
Publication number
20240344160
Publication date
Oct 17, 2024
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD.
Zhaoxia LIU
C21 - METALLURGY OF IRON
Information
Patent Application
ADVANCED HIGH STRENGTH ZINC PLATED STEEL SHEET HAVING EXCELLENT SUR...
Publication number
20240344164
Publication date
Oct 17, 2024
POSCO Co., Ltd
Ki-Cheol Kang
C21 - METALLURGY OF IRON
Information
Patent Application
CARBIDE REFINING METHOD OF HIGH-CARBON HIGH-ALLOY STEEL
Publication number
20240167135
Publication date
May 23, 2024
SHANGHAI JIAOTONG UNIVERSITY
Yujie WANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
CARBIDE-FREE BAINITE AND RETAINED AUSTENITE STEELS, PRODUCING METHO...
Publication number
20240132988
Publication date
Apr 25, 2024
Northwestern University
Kazuhiko Nishioka
C21 - METALLURGY OF IRON
Information
Patent Application
LIVE-FIRE TARGET
Publication number
20230417516
Publication date
Dec 28, 2023
Patriot Products, LLC
Jerry Lee Johnson
C21 - METALLURGY OF IRON
Information
Patent Application
Low Density Press-Hardening Steel Having Enhanced Mechanical Proper...
Publication number
20230226585
Publication date
Jul 20, 2023
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jiachen PANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A HIGH STRENGTH STEEL SHEET HAVING IMPROVED ST...
Publication number
20220298598
Publication date
Sep 22, 2022
ARCELORMITTAL
Rashmi Ranjan Mohanty
C21 - METALLURGY OF IRON
Information
Patent Application
A COLD ROLLED MARTENSITIC STEEL AND A METHOD OF MARTENSITIC STEEL T...
Publication number
20220213573
Publication date
Jul 7, 2022
ARCELORMITTAL
Matthieu SIEBENTRITT
C21 - METALLURGY OF IRON
Information
Patent Application
TOOL FOR A HYDRAULIC HAMMER
Publication number
20210301361
Publication date
Sep 30, 2021
Caterpillar Inc.
Cody MOORE
C21 - METALLURGY OF IRON
Information
Patent Application
LOW DENSITY PRESS-HARDENING STEEL HAVING ENHANCED MECHANICAL PROPER...
Publication number
20210276065
Publication date
Sep 9, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jiachen PANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A ULTRA HIGH STRENGTH COATED OR NOT COATED STE...
Publication number
20210222267
Publication date
Jul 22, 2021
ARCELORMITTAL
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Sheet Metal Part Formed from a Steel Having a High Tensile Strength...
Publication number
20210189517
Publication date
Jun 24, 2021
ThyssenKrupp Steel Europe AG
Thomas Gerber
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A HOT-FORMED ARTICLE, AND OBTAINED ARTICLE
Publication number
20210115527
Publication date
Apr 22, 2021
TATA STEEL IJMUIDEN BV
Shangping CHEN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR PRODUCING A HIGH STRENGTH COATED STEEL SHEET HAVING IMPR...
Publication number
20210095357
Publication date
Apr 1, 2021
ARCELORMITTAL
Dongwei Fan
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CARBIDE-FREE BAINITE AND RETAINED AUSTENITE STEELS, PRODUCING METHO...
Publication number
20210047705
Publication date
Feb 18, 2021
Kazuhiko NISHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEELS, PROCESSES FOR MAKING SAME, AND MATERIALS RESU...
Publication number
20200270716
Publication date
Aug 27, 2020
Gary M. Cola
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING RAILWAY VEHICLE WHEEL
Publication number
20190338402
Publication date
Nov 7, 2019
JFE STEEL CORPORATION
Tatsumi KIMURA
B60 - VEHICLES IN GENERAL
Information
Patent Application
HIGH-STRENGTH COLD ROLLED STEEL SHEET HAVING HIGH FORMABILITY AND A...
Publication number
20190338385
Publication date
Nov 7, 2019
ARCELORMITTAL
Jean-Marc PIPARD
C21 - METALLURGY OF IRON
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
CU-CONTAINING LOW-ALLOY STEEL HAVING EXCELLENT BALANCE BETWEEN STRE...
Publication number
20190055620
Publication date
Feb 21, 2019
The Japan Steel Works, Ltd.
Yuta HONMA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR THE HEAT TREATMENT OF A METAL COMPONENT
Publication number
20190032162
Publication date
Jan 31, 2019
Schwartz GmbH
Andreas REINARTZ
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT METHOD AND HEAT TREATMENT DEVICE
Publication number
20190032163
Publication date
Jan 31, 2019
Schwartz GmbH
Andreas REINARTZ
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR HEAT TREATMENT OF A METAL COMPONENT
Publication number
20190024203
Publication date
Jan 24, 2019
Schwartz GmbH
Andreas REINARTZ
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATMENT METHOD AND HEAT TREATMENT DEVICE
Publication number
20190024199
Publication date
Jan 24, 2019
Schwartz GmbH
Frank WILDEN
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20180305783
Publication date
Oct 25, 2018
SAMHWA STEEL CO., LTD.
Soon Tae Ahn
C21 - METALLURGY OF IRON
Information
Patent Application
INCREASING STEEL IMPACT TOUGHNESS
Publication number
20180223385
Publication date
Aug 9, 2018
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qi Lu
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING STEEL SHEET HAVING VERY HIGH TENSILE STRE...
Publication number
20180010220
Publication date
Jan 11, 2018
ARCELORMITTAL
Sebastien Allain
C21 - METALLURGY OF IRON
Information
Patent Application
COLD TREATMENT FOR IMPROVING THE LOAD-BEARING CAPACITY OF METALLIC...
Publication number
20170321292
Publication date
Nov 9, 2017
ZF Friedrichshafen AG
Dirk LEIMANN
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Producing a Coated Steel Sheet having Improved Strength,...
Publication number
20170233847
Publication date
Aug 17, 2017
ARCELORMITTAL
Jean-Philippe Masse
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
HIGH-STRENGTH STEEL SHEET HAVING EXCELLENT FORMABILITY AND LOW-TEMP...
Publication number
20160237520
Publication date
Aug 18, 2016
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Tadao MURATA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR