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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
C21D1/00
General methods or devices for heat treatments
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C21D1/42
Induction heating
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Patents Grants
last 30 patents
Information
Patent Grant
Apparatus and methods for the drying treatment of an inductor
Patent number
12,188,720
Issue date
Jan 7, 2025
Danieli Automation SpA
Giuseppe Muscarnera
C21 - METALLURGY OF IRON
Information
Patent Grant
Hardfaced metal surface and method of manufacture
Patent number
12,123,274
Issue date
Oct 22, 2024
Hydril USA Distribution LLC
Jamie Clay Gamble
C21 - METALLURGY OF IRON
Information
Patent Grant
Conductive post-furnace heating of sheet for hot forming
Patent number
12,121,950
Issue date
Oct 22, 2024
Magna International, Inc.
Cangji Shi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Procedure for hardening slides of a perforating press and the slide...
Patent number
12,110,565
Issue date
Oct 8, 2024
Soenen Technology NV
Luc De Sutter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Metal strip induction heating method and induction heating apparatus
Patent number
12,104,221
Issue date
Oct 1, 2024
Nippon Steel Corporation
Yoshiaki Hirota
C21 - METALLURGY OF IRON
Information
Patent Grant
Heating device for the inductive heating of a flat steel strip in a...
Patent number
12,090,535
Issue date
Sep 17, 2024
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Thomas Lengauer
C21 - METALLURGY OF IRON
Information
Patent Grant
Dual pass, dual anneal welding method for joining high strength steels
Patent number
12,054,803
Issue date
Aug 6, 2024
Arcelormittal
Vikas Kanubhai Patel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method for manufacturing rack bar
Patent number
12,053,816
Issue date
Aug 6, 2024
Neturen Co., Ltd.
Ryosuke Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Large scale metal forming
Patent number
12,028,956
Issue date
Jul 2, 2024
Illinois Tool Works Inc.
Jerald Edward Jones
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for forming coating film on constant velocity universal joint
Patent number
12,017,249
Issue date
Jun 25, 2024
NTN Corporation
Takafumi Iwamoto
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Combined heating and transfer of work-piece blanks
Patent number
12,012,641
Issue date
Jun 18, 2024
GM Global Technology Operations LLC
Shane M. Anderson
B25 - HAND TOOLS PORTABLE POWER-DRIVEN TOOLS MANIPULATORS
Information
Patent Grant
Energy-efficient production of a ferritic hot-rolled strip in an in...
Patent number
11,987,859
Issue date
May 21, 2024
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Heinz Fürst
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
Split multiple coil electric induction heat treatment systems for s...
Patent number
11,846,001
Issue date
Dec 19, 2023
Inductoheat, Inc.
Valery I. Rudnev
C21 - METALLURGY OF IRON
Information
Patent Grant
Boron-based amorphous alloys and preparation method thereof
Patent number
11,840,751
Issue date
Dec 12, 2023
Dalian University of Technology
Wei Zhang
C01 - INORGANIC CHEMISTRY
Information
Patent Grant
Systems and methods for non-contact tensioning of a metal strip
Patent number
11,821,066
Issue date
Nov 21, 2023
Novelis Inc.
Antoine Jean Willy Pralong
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High strength steel tube and method of manufacturing a high strengt...
Patent number
11,814,693
Issue date
Nov 14, 2023
Benteler Steel/Tube GmbH
Jayaram Dadda
C21 - METALLURGY OF IRON
Information
Patent Grant
Device and method for manufacturing metal clad strips continuously
Patent number
11,788,167
Issue date
Oct 17, 2023
Baoshan Iron & Steel Co., Ltd.
Qingfeng Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot-band annealing equipment, hot-band annealing method and descali...
Patent number
11,788,165
Issue date
Oct 17, 2023
JFE Steel Corporation
Goki Yamada
C21 - METALLURGY OF IRON
Information
Patent Grant
Bearing component and method for manufacturing the same
Patent number
11,781,596
Issue date
Oct 10, 2023
NTN Corporation
Hiroshi Yuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a trunnion for a constant velocity joint,...
Patent number
11,746,394
Issue date
Sep 5, 2023
Hyundai Motor Company
Jeong Lyul Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for processing steel plate
Patent number
11,732,317
Issue date
Aug 22, 2023
Toyota Jidosha Kabushiki Kaisha
Tomoaki Ihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Localized heat treatment
Patent number
11,725,253
Issue date
Aug 15, 2023
Karsten Manufacturing Corporation
Dave Wu
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel and method for producing the same
Patent number
11,702,717
Issue date
Jul 18, 2023
APERAM
Pierre-Olivier Santacreu
C21 - METALLURGY OF IRON
Information
Patent Grant
Lightweight door beam, composition thereof and method of manufactur...
Patent number
11,702,715
Issue date
Jul 18, 2023
Hyundai Motor Company
Alex Khutorsky
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Device and method for manufacturing metal clad plates in way of con...
Patent number
11,639,538
Issue date
May 2, 2023
Baoshan Iron & Steel Co., Ltd.
Qingfeng Zhang
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Track link for a track joint assembly having wear band with lengthw...
Patent number
11,584,457
Issue date
Feb 21, 2023
Caterpillar Inc.
Kevin Steiner
C21 - METALLURGY OF IRON
Information
Patent Grant
Powder-bed additive manufacturing devices and methods
Patent number
11,583,931
Issue date
Feb 21, 2023
General Electric Company
William Thomas Carter
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Stud-weldable rebar
Patent number
11,566,300
Issue date
Jan 31, 2023
TFP CORPORATION
Peter A. Workman
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat treatment apparatus for vehicle body component
Patent number
11,542,568
Issue date
Jan 3, 2023
Hyundai Motor Company
Hyeon-Cheol Choi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
HEAT- TREATED STEEL AND HEAT TREATMENT METHOD FOR STEEL
Publication number
20240368718
Publication date
Nov 7, 2024
Kazuhiro ISHIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
APPARATUS AND METHOD FOR MANUFACTURING RACK BAR
Publication number
20240351094
Publication date
Oct 24, 2024
Neturen Co., Ltd.
Ryosuke SUZUKI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
TOOL ACCESSORY AND METHOD OF MANUFACTURING SAME
Publication number
20240342869
Publication date
Oct 17, 2024
Milwaukee Electric Tool Corporation
Devin W. Herritz
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING VEHICLE PARTS
Publication number
20240344159
Publication date
Oct 17, 2024
Alejandro Gorráez ALEJANDRE
C21 - METALLURGY OF IRON
Information
Patent Application
SPATIALLY SELECTIVE ELECTROMAGNETIC FIELD ASSISTED PROCESSING OF BU...
Publication number
20240271236
Publication date
Aug 15, 2024
University of Pittsburgh of the Commonwealth System of Higher Education
Paul OHODNICKI
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
METHOD AND ARRANGEMENT FOR PRODUCING A HARDENED SHEET METAL PRODUCT
Publication number
20240261842
Publication date
Aug 8, 2024
TCTECH SWEDEN AB
Jan JÄDERBERG
C21 - METALLURGY OF IRON
Information
Patent Application
SELECTIVE HEAT TREATMENT OF METALS USING MULTIPLE INDUCTION HEATING...
Publication number
20240254578
Publication date
Aug 1, 2024
Raytheon Technologies Corporation
Masoud Anahid
C21 - METALLURGY OF IRON
Information
Patent Application
SELECTIVE HEAT TREATMENT OF METALS USING A COIL-IN-FURNACE SYSTEM
Publication number
20240254589
Publication date
Aug 1, 2024
Raytheon Technologies Corporation
Masoud Anahid
C21 - METALLURGY OF IRON
Information
Patent Application
ENERGY-EFFICIENT PRODUCTION OF A FERRITIC HOT-ROLLED STRIP IN AN IN...
Publication number
20240209471
Publication date
Jun 27, 2024
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Heinz FÜRST
C21 - METALLURGY OF IRON
Information
Patent Application
CONTINUOUS ANNEALER FOR WIRE
Publication number
20240093327
Publication date
Mar 21, 2024
MASCHINENFABRIK NIEHOFF GMBH & CO. KG
Stefan NIXDORF
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Producing Conventionally Hot-Rolled Strip Products
Publication number
20230357877
Publication date
Nov 9, 2023
VOESTALPINE STAHL GMBH
Wolfgang ERNST
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR REPAIRING A COMPONENT BY HEAT TREATING
Publication number
20230357873
Publication date
Nov 9, 2023
CATERPILLAR MOTOREN GMBH & CO. KG
Ole FRYDEK
C21 - METALLURGY OF IRON
Information
Patent Application
TOOL WITH PROTRUDING STRUCTURE
Publication number
20230356378
Publication date
Nov 9, 2023
HILTI AKTIENGESELLSCHAFT
Norbert TAJTHI
C21 - METALLURGY OF IRON
Information
Patent Application
DUAL-FREQUENCY POWER-SUPPLY APPARATUS, HIGH-FREQUENCY HEATING APPAR...
Publication number
20230318478
Publication date
Oct 5, 2023
Neturen Co., Ltd.
Masato Sugimoto
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-B...
Publication number
20230304117
Publication date
Sep 28, 2023
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20230250506
Publication date
Aug 10, 2023
JFE STEEL CORPORATION
Yusuke SHIMOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
INDUCTION HARDENING SYSTEM AND INDUCTION HARDENING METHOD
Publication number
20230220512
Publication date
Jul 13, 2023
Aktiebolaget SKF
Fred MENIG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FORMING COATING FILM ON CONSTANT VELOCITY UNIVERSAL JOINT
Publication number
20230219115
Publication date
Jul 13, 2023
NTN Corporation
Takafumi IWAMOTO
B60 - VEHICLES IN GENERAL
Information
Patent Application
INDUCTION HARDENING SYSTEM
Publication number
20230220506
Publication date
Jul 13, 2023
AKTIEBOLAGET SKF
Gerhard WAGNER
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR HEATING AND ROLL FORMING A PRODUCT
Publication number
20230211401
Publication date
Jul 6, 2023
Novelis Inc.
Julio Malpica
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR RECRYSTALLISATION ANNEALING OF A NON-GRAIN-ORIENTED ELEC...
Publication number
20230212708
Publication date
Jul 6, 2023
SMS group GMBH
Frank MASCHLER
C21 - METALLURGY OF IRON
Information
Patent Application
Procedure For Hardening Slides Of A Perforating Press And The Slide...
Publication number
20230175089
Publication date
Jun 8, 2023
Soenen Technology NV
Luc DE SUTTER
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
INTEGRATED WELDING AND THERMAL PROCESSING JOINING METHOD FOR CREEP...
Publication number
20230151450
Publication date
May 18, 2023
Daniel S. Codd
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
PRE-AGEING SYSTEMS AND METHODS USING MAGNETIC HEATING
Publication number
20230002876
Publication date
Jan 5, 2023
Novelis Inc.
David Michael Custers
C21 - METALLURGY OF IRON
Information
Patent Application
PRESS HARDENING STEEL WITH COMBINATION OF SUPERIOR CORROSION RESIST...
Publication number
20220356540
Publication date
Nov 10, 2022
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Qi LU
C21 - METALLURGY OF IRON
Information
Patent Application
HARDFACED METAL SURFACE AND METHOD OF MANUFACTURE
Publication number
20220275698
Publication date
Sep 1, 2022
Hydril USA Distribution LLC
Jamie Clay Gamble
C21 - METALLURGY OF IRON
Information
Patent Application
Unknown
Publication number
20220195551
Publication date
Jun 23, 2022
BENTELER STEEL/TUBE GMBH
Jayaram Dadda
C21 - METALLURGY OF IRON
Information
Patent Application
ENERGY-EFFICIENT PRODUCTION OF A FERRITIC HOT-ROLLED STRIP IN AN IN...
Publication number
20220186340
Publication date
Jun 16, 2022
PRIMETALS TECHNOLOGIES AUSTRIA GMBH
Heinz FÜRST
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR INDUCTION HARDENING
Publication number
20220186332
Publication date
Jun 16, 2022
Liebherr-Components Bibearch GmbH
Heiko SCHWIBODE
C21 - METALLURGY OF IRON
Information
Patent Application
CONDUCTIVE POST-FURNACE HEATING OF SHEET FOR HOT FORMING
Publication number
20220176434
Publication date
Jun 9, 2022
MAGNA INTERNATIONAL INC.
Cangji SHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...