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C21D1/56
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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
C21D1/00
General methods or devices for heat treatments
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C21D1/56
characterised by the quenching agents
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Patents Grants
last 30 patents
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Patent Grant
Method for heat treating a horological component
Patent number
12,006,556
Issue date
Jun 11, 2024
Rolex S.A.
Olivier Perrinjaquet
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-thickness welded vehicle structure
Patent number
11,761,052
Issue date
Sep 19, 2023
Multimatic Inc.
Mark Sullivan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Multi-track laser surface hardening of low carbon cold rolled close...
Patent number
11,186,887
Issue date
Nov 30, 2021
Tata Steel Limited
Syed Badirujjaman
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of a heat transfer of a non-metallic or metallic item
Patent number
11,118,091
Issue date
Sep 14, 2021
Arcelormittal
Maria Cabanas Corrales
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of a heat transfer of a non-metallic or metallic item
Patent number
10,994,327
Issue date
May 4, 2021
Arcelormittal
Maria Cabanas Corrales
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Thick steel plate for high heat input welding and having great heat...
Patent number
10,889,874
Issue date
Jan 12, 2021
Baoshan Iron & Steel Co., Ltd.
Jian Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heat transfer between a metallic or non-metallic item and...
Patent number
10,844,261
Issue date
Nov 24, 2020
ArcelorMittal
David Noriega Perez
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Thick steel plate for high heat input welding and having great heat...
Patent number
10,837,089
Issue date
Nov 17, 2020
Baoshan Iron & Steel Co., Ltd.
Jian Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heat transfer between a metallic or non-metallic item and...
Patent number
10,815,410
Issue date
Oct 27, 2020
Arcelormittal
David Noriega Perez
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Heat treated heavy weight drill pipe
Patent number
10,648,049
Issue date
May 12, 2020
Wellbore Integrity Solutions LLC
Wenhui Jiang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Zinc-coated hot formed steel component with tailored property
Patent number
10,619,223
Issue date
Apr 14, 2020
GM Global Technology Operations LLC
Jianfeng Wang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Rail manufacturing method and manufacturing equipment
Patent number
10,563,278
Issue date
Feb 18, 2020
JFE Steel Corporation
Kenji Okushiro
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing 7000-series aluminum alloy member excellent in...
Patent number
10,487,383
Issue date
Nov 26, 2019
Kobe Steel, Ltd.
Takahiro Shikama
C21 - METALLURGY OF IRON
Information
Patent Grant
Permanent magnet source powder fabrication method, permanent magnet...
Patent number
10,464,132
Issue date
Nov 5, 2019
Toyota Jidosha Kabushiki Kaisha
Noritsugu Sakuma
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing a hot-formed and quench-hardened motor vehicle...
Patent number
10,443,109
Issue date
Oct 15, 2019
Bentler Automobiltechnik GmbH
Rafael Garcia Gomez
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus for quenching
Patent number
10,316,378
Issue date
Jun 11, 2019
Safran Landing Systems Canada Inc.
Rejean Fortin
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-high toughness and high strength drill pipe and manufacturing...
Patent number
10,227,828
Issue date
Mar 12, 2019
Baoshan Iron & Steel Co., Ltd.
Peng Zhao
C21 - METALLURGY OF IRON
Information
Patent Grant
Rail manufacturing method and manufacturing equipment
Patent number
10,214,795
Issue date
Feb 26, 2019
JFE Steel Corporation
Kenji Okushiro
C21 - METALLURGY OF IRON
Information
Patent Grant
Low alloy oil well steel pipe and method for manufacturing same
Patent number
10,036,078
Issue date
Jul 31, 2018
Nippon Steel & Sumitomo Metal Corporation
Yuji Arai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of making an endoprosthesis containing multi-phase stainless...
Patent number
9,987,121
Issue date
Jun 5, 2018
W. L. Gore & Associates, Inc.
Jeffrey S. Blanzy
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Methods for making high hardness, high toughness iron-base alloys
Patent number
9,951,404
Issue date
Apr 24, 2018
ATI PROPERTIES LLC
Ronald E. Bailey
C21 - METALLURGY OF IRON
Information
Patent Grant
Integrally cast excavator bucket and manufacturing method thereof
Patent number
9,903,093
Issue date
Feb 27, 2018
Hubei Wanxin Precision Casting & Forging Inc
Jiwen Wan
C21 - METALLURGY OF IRON
Information
Patent Grant
Creping blade and method for its manufacturing
Patent number
9,896,802
Issue date
Feb 20, 2018
VOESTALPINE PRECISION STRIP AB
Chris Millward
C21 - METALLURGY OF IRON
Information
Patent Grant
Aqueous quenching media and use thereof in quenching metal substrates
Patent number
9,803,255
Issue date
Oct 31, 2017
Houghton Technical Corporation
Laura Gunsalus
C21 - METALLURGY OF IRON
Information
Patent Grant
Synthetic quenching fluid composition
Patent number
9,303,293
Issue date
Apr 5, 2016
A. & A.Fratelli Parodi S.p.A.
Augusto Parodi
C21 - METALLURGY OF IRON
Information
Patent Grant
High hardness, high toughness iron-base alloys and methods for maki...
Patent number
9,121,088
Issue date
Sep 1, 2015
ATI Properties, Inc.
Ronald E. Bailey
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for producing a metal component
Patent number
8,980,020
Issue date
Mar 17, 2015
ThyssenKrupp Steel Europe AG
Sascha Sikora
C21 - METALLURGY OF IRON
Information
Patent Grant
Endoprosthesis containing multi-phase ferrous steel
Patent number
8,888,838
Issue date
Nov 18, 2014
W. L. Gore & Associates, Inc.
Jeffrey S. Blanzy
C21 - METALLURGY OF IRON
Information
Patent Grant
Process for continuous production of ductile microwires from glass...
Patent number
8,858,739
Issue date
Oct 14, 2014
The NanoSteel company, Inc.
Daniel James Branagan
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing steel pipe with excellent expandability
Patent number
8,852,366
Issue date
Oct 7, 2014
Nippon Steel & Sumitomo Metal Corporation
Kunio Kondo
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
COLD FORGING WIRE ROD AND STEEL PART HAVING IMPROVED DELAYED FRACTU...
Publication number
20250003038
Publication date
Jan 2, 2025
POSCO Co., Ltd
Youngsoo CHUN
C21 - METALLURGY OF IRON
Information
Patent Application
MULTI-THICKNESS WELDED VEHICLE STRUCTURE
Publication number
20230183831
Publication date
Jun 15, 2023
MULTIMATIC INC.
Mark Sullivan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR HEAT TREATING A HOROLOGICAL COMPONENT
Publication number
20210238701
Publication date
Aug 5, 2021
ROLEX S.A.
Olivier Perrinjaquet
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
A METHOD OF A HEAT TRANSFER OF A NON-METALLIC OR METALLIC ITEM
Publication number
20200282454
Publication date
Sep 10, 2020
ARCELORMITTAL
Maria CABANAS CORRALES
B22 - CASTING POWDER METALLURGY
Information
Patent Application
RAIL MANUFACTURING METHOD AND MANUFACTURING EQUIPMENT
Publication number
20190106762
Publication date
Apr 11, 2019
JFE STEEL CORPORATION
Kenji OKUSHIRO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING 7000-SERIES ALUMINUM ALLOY MEMBER EXCELLENT IN...
Publication number
20180347022
Publication date
Dec 6, 2018
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Takahiro SHIKAMA
C21 - METALLURGY OF IRON
Information
Patent Application
ZINC-COATED HOT FORMED STEEL COMPONENT WITH TAILORED PROPERTY
Publication number
20170314088
Publication date
Nov 2, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jianfeng Wang
B32 - LAYERED PRODUCTS
Information
Patent Application
COOLING APPARATUS AND MULTI-CHAMBER HEAT TREATMENT APPARATUS
Publication number
20170081737
Publication date
Mar 23, 2017
IHI Corporation
Kazuhiko KATSUMATA
C21 - METALLURGY OF IRON
Information
Patent Application
INTEGRALLY CAST EXCAVATOR BUCKET AND MANUFACTURING METHOD THEREOF
Publication number
20170037592
Publication date
Feb 9, 2017
Hubei Wainxin Precision Casting & Forging Inc
Jiwen WAN
C21 - METALLURGY OF IRON
Information
Patent Application
Wear Part with Hardfacing and Method of Making Same
Publication number
20170014901
Publication date
Jan 19, 2017
Caterpillar Inc.
Kendall R. Powell
B32 - LAYERED PRODUCTS
Information
Patent Application
BEARING STEEL HAVING IMPROVED FATIGUE DURABILITY AND METHOD OF MANU...
Publication number
20160369370
Publication date
Dec 22, 2016
Hyundai Motor Company
Sung-Chul Cha
C21 - METALLURGY OF IRON
Information
Patent Application
CREPING BLADE AND METHOD FOR ITS MANUFACTURING
Publication number
20160333523
Publication date
Nov 17, 2016
VOESTALPINE PRECISION STRIP AB
Chris MILLWARD
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATED HEAVY WEIGHT DRILL PIPE
Publication number
20160305194
Publication date
Oct 20, 2016
Smith International, Inc.
Wenhui Jiang
C21 - METALLURGY OF IRON
Information
Patent Application
HEAT TREATED COILED TUBING
Publication number
20160281188
Publication date
Sep 29, 2016
TENARIS COILED TUBES, LLC
Martin Valdez
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A HOT-FORMED AND QUENCH-HARDENED MOTOR VEHICLE...
Publication number
20160258035
Publication date
Sep 8, 2016
BENTELER AUTOMOBILTECHNIK GMBH
Rafael Garcia GOMEZ
C21 - METALLURGY OF IRON
Information
Patent Application
APPARATUS FOR QUENCHING
Publication number
20160237516
Publication date
Aug 18, 2016
MESSIER-DOWTY LIMITED
Rejean Fortin
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING 7000-SERIES ALUMINUM ALLOY MEMBER EXCELLENT IN...
Publication number
20160237540
Publication date
Aug 18, 2016
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Takahiro SHIKAMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH ALUMINUM ALLOY AND MANUFACTURING METHOD THEREOF
Publication number
20160186302
Publication date
Jun 30, 2016
UACJ CORPORATION
Hidenori HATTA
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Application
LOW ALLOY OIL WELL STEEL PIPE AND METHOD FOR MANUFACTURING SAME
Publication number
20160160307
Publication date
Jun 9, 2016
NIPPON STEEL & SUMITOMO METAL CORPORATION
Yuji ARAI
C21 - METALLURGY OF IRON
Information
Patent Application
Post Machining Multi-Step Material Working Treatment of Fluid End H...
Publication number
20160130679
Publication date
May 12, 2016
William J. Cober
C21 - METALLURGY OF IRON
Information
Patent Application
PERMANENT MAGNET SOURCE POWDER FABRICATION METHOD, PERMANENT MAGNET...
Publication number
20160074936
Publication date
Mar 17, 2016
TOYOTA JIDOSHA KABUSHIKI KAISHA
Noritsugu SAKUMA
C21 - METALLURGY OF IRON
Information
Patent Application
RAIL MANUFACTURING METHOD AND MANUFACTURING EQUIPMENT
Publication number
20160040263
Publication date
Feb 11, 2016
JFE STEEL CORPORATION
Kenji OKUSHIRO
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH TOUGHNESS AND HIGH STRENGTH DRILL PIPE AND MANUFACTURING...
Publication number
20150226014
Publication date
Aug 13, 2015
Baoshan Iron & Steel Co., Ltd
Peng Zhao
C21 - METALLURGY OF IRON
Information
Patent Application
COOLING SYSTEMS FOR HEAT-TREATED PARTS AND METHODS OF USE
Publication number
20140367898
Publication date
Dec 18, 2014
David Hebert
C21 - METALLURGY OF IRON
Information
Patent Application
Synthetic Quenching Fluid Composition
Publication number
20140261926
Publication date
Sep 18, 2014
A. & A. Fratelli Parodi S.p.A.
Augusto Parodi
C21 - METALLURGY OF IRON
Information
Patent Application
Aqueous Quenching Media and Use Thereof in Quenching Metal Substrates
Publication number
20140246132
Publication date
Sep 4, 2014
Houghton Technical Corp.
Laura Gunsalus
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL ALLOYS FOR MAKING ENDOPROSTHESES
Publication number
20130156629
Publication date
Jun 20, 2013
W.L. GORE & ASSOCIATES, INC.
Jeffrey S. Blanzy
C21 - METALLURGY OF IRON
Information
Patent Application
MACHINE COMPONENT WITH A CAVITATION RESISTANT COVERING
Publication number
20120312159
Publication date
Dec 13, 2012
Caterpillar Inc.
Tianjun Liu
C21 - METALLURGY OF IRON
Information
Patent Application
Method and Device for Producing a Metal Component
Publication number
20120186705
Publication date
Jul 26, 2012
ThyssenKrupp Steel Europe AG
Sascha Sikora
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND MACHINE TOOL FOR THE PROCESSING AND HARDENING OF METALLI...
Publication number
20120186320
Publication date
Jul 26, 2012
Moshe Israel Meidar
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR