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C21D9/30
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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
C21D9/00
Heat treatment
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C21D9/30
for crankshafts for camshafts
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Patents Grants
last 30 patents
Information
Patent Grant
Crankshaft and method of manufacture
Patent number
11,905,992
Issue date
Feb 20, 2024
GM Global Technology Operations LLC
Jianghuai Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for heat treating a workpiece
Patent number
11,898,214
Issue date
Feb 13, 2024
ETXE-TAR, S.A.
Amaia Gabilondo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Roughly-shaped steel material for nitrided part, and nitrided part
Patent number
11,827,963
Issue date
Nov 28, 2023
Nippon Steel Corporation
Masato Yuya
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for controlling deformation of a large-scale crankshaft
Patent number
11,753,696
Issue date
Sep 12, 2023
BEIJING INSTITUTE OF TECHNOLOGY
Chunguang Xu
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-heat treated steel for induction hardening
Patent number
11,447,849
Issue date
Sep 20, 2022
Nippon Steel Corporation
Makoto Egashira
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing cam piece for continuously variable valve d...
Patent number
11,441,204
Issue date
Sep 13, 2022
Hyundai Motor Company
Sung-Hwan Park
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and device for work-hardening a crankshaft
Patent number
11,344,980
Issue date
May 31, 2022
MASCHINENFABRIK ALFING KESSLER GMBH
Alfons Reeb
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel for crankshaft and method of manufacturing crankshaft using t...
Patent number
11,319,609
Issue date
May 3, 2022
Hyundai Motor Company
Sung Hwan Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material, crankshaft, and automobile component
Patent number
11,274,354
Issue date
Mar 15, 2022
Daido Steel Co., Ltd.
Ryosuke Ohashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel, product made of said steel, and manufacturing method thereof
Patent number
11,186,886
Issue date
Nov 30, 2021
APERAM
Valerie Perrin Guerin
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method and apparatus for heat treatment of a ferrous material using...
Patent number
11,047,019
Issue date
Jun 29, 2021
IKERGUNE, A.I.E
Paula Sancho Díaz
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and system for laser hardening of a surface of a workpiece
Patent number
10,961,597
Issue date
Mar 30, 2021
EXTEOTAR, S.A.
Amaia Gabilondo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Crankshaft and method of manufacture
Patent number
10,883,154
Issue date
Jan 5, 2021
GM Global Technology Operations LLC
Jianghuai Yang
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Hot forging steel and hot forged product
Patent number
10,844,466
Issue date
Nov 24, 2020
Nippon Steel Corporation
Akira Shiga
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Nitrided steel part and method of production of same
Patent number
10,837,096
Issue date
Nov 17, 2020
Nippon Steel Corporation
Takahide Umehara
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel for induction hardening
Patent number
10,793,937
Issue date
Oct 6, 2020
Nippon Steel Corporation
Toshiharu Aiso
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel, product created from said steel, and manufacturing method th...
Patent number
10,731,231
Issue date
Aug 4, 2020
APERAM
Valérie Perrin Guerin
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for laser hardening of a surface of a workplace
Patent number
10,648,056
Issue date
May 12, 2020
Etxe-Tar, S.A.
Jesús Domínguez
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High fatigue strength components requiring areas of high hardness
Patent number
10,619,222
Issue date
Apr 14, 2020
Metal Improvement Company, LLC
Lloyd A. Hackel
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Crankshaft and method of strengthening shaft component
Patent number
10,300,523
Issue date
May 28, 2019
Honda Motor Co., Ltd.
Toshiyuki Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel for steel forgings, and steel forging
Patent number
10,253,398
Issue date
Apr 9, 2019
Kobe Steel, Ltd.
Hiroyuki Takaoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Cryogenic treatment of martensitic steel with mixed hardening
Patent number
10,174,391
Issue date
Jan 8, 2019
SAFRAN AIRCRAFT ENGINES
Laurent Ferrer
C21 - METALLURGY OF IRON
Information
Patent Grant
Laser hardened crankshaft
Patent number
10,161,014
Issue date
Dec 25, 2018
Ford Motor Company
Michael A. Kopmanis
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for laser hardening of a surface of a workpiece
Patent number
10,138,528
Issue date
Nov 27, 2018
ETXE-TAR, S.A.
Amaia Gabilondo
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-thermal refined soft-nitrided component
Patent number
9,956,950
Issue date
May 1, 2018
Nippon Steel & Sumitomo Metal Corporation
Shigefumi Nishitani
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Steel for induction hardening roughly shaped material for induction...
Patent number
9,890,446
Issue date
Feb 13, 2018
Nippon Steel & Sumitomo Metal Corporation
Manabu Kubota
C21 - METALLURGY OF IRON
Information
Patent Grant
Single shot inductor for heat treatment of closely spaced multiple...
Patent number
9,885,094
Issue date
Feb 6, 2018
Inductoheat, Inc.
John Aaron Goodwin
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength low alloy steel and method of manufacturing
Patent number
9,869,009
Issue date
Jan 16, 2018
Gregory Vartanov
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a sliding camshaft
Patent number
9,828,650
Issue date
Nov 28, 2017
GM Global Technology Operations LLC
Huaxin Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Process to improve fatigue strength of micro alloy steels, forged p...
Patent number
9,752,203
Issue date
Sep 5, 2017
Babasaheb Neelkanth Kalyani
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURING FORGED MATERIAL FOR CRANKSHAFT
Publication number
20240091847
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Manabu KUBOTA
C21 - METALLURGY OF IRON
Information
Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURING THE SAME
Publication number
20240044358
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Tatsuhiko ABE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING CAM PIECE FOR CONTINUOUSLY VARIABLE VALVE D...
Publication number
20220364195
Publication date
Nov 17, 2022
Hyundai Motor Company
Sung-Hwan PARK
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHAFT COMPONENT
Publication number
20220177991
Publication date
Jun 9, 2022
NIPPON STEEL CORPORATION
Kison NISHIHARA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR CONTROLLING DEFORMATION OF A LARGE-SCALE CRANKSHAFT
Publication number
20220081736
Publication date
Mar 17, 2022
Beijing Institute of Technology
Chunguang Xu
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
STEEL, PRODUCT MADE OF SAID STEEL, AND MANUFACTURING METHOD THEREOF
Publication number
20220056545
Publication date
Feb 24, 2022
APERAM
Valerie PERRIN GUERIN
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
ROUGHLY-SHAPED STEEL MATERIAL FOR NITRIDED PART, AND NITRIDED PART
Publication number
20220010416
Publication date
Jan 13, 2022
Nippon Steel Corporation
Masato YUYA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL MATERIAL FOR SLIDING MEMBERS AND METHOD OF MANUFACTURING THE...
Publication number
20210348247
Publication date
Nov 11, 2021
NIPPON STEEL CORPORATION
Kazuyuki KITAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR HEAT TREATING A WORKPIECE
Publication number
20210214814
Publication date
Jul 15, 2021
ETXE-TAR, S.A.
Amaia GABILONDO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
INDUCTION-HARDENED CRANKSHAFT AND METHOD OF MANUFACTURING ROUGHLY S...
Publication number
20210115966
Publication date
Apr 22, 2021
NIPPON STEEL CORPORATION
Manabu KUBOTA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURE
Publication number
20210087645
Publication date
Mar 25, 2021
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jianghuai Yang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND DEVICE FOR WORK-HARDENING A CRANKSHAFT
Publication number
20200216924
Publication date
Jul 9, 2020
MASCHINENFABRIK ALFING KESSLER GMBH
ALFONS REEB
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR HEAT TREATING WITH A GRADUAL TEMPERATURE PROFILE
Publication number
20200199704
Publication date
Jun 25, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Huaxin Li
C21 - METALLURGY OF IRON
Information
Patent Application
SLIDING CAMSHAFT AND METHOD OF MANUFACTURING
Publication number
20200190616
Publication date
Jun 18, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Richard L. Metcalf
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING CAM PIECE FOR CONTINUOUSLY VARIABLE VALVE D...
Publication number
20200181726
Publication date
Jun 11, 2020
Hyundai Motor Company
Sung-Hwan PARK
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR CRANKSHAFT AND METHOD OF MANUFACTURING CRANKSHAFT USING T...
Publication number
20200131594
Publication date
Apr 30, 2020
Hyundai Motor Company
Sung Hwan KIM
C21 - METALLURGY OF IRON
Information
Patent Application
CRANKSHAFT AND METHOD OF MANUFACTURE
Publication number
20200048727
Publication date
Feb 13, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jianghuai Yang
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR HEAT TREATING A CRANKSHAFT FOR A VEHICLE PROPULSION SYSTEM
Publication number
20190330709
Publication date
Oct 31, 2019
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jianghuai Yang
C21 - METALLURGY OF IRON
Information
Patent Application
LASER HEAT-TREATED SHAFT AND METHOD OF MAKING THE SAME
Publication number
20190218634
Publication date
Jul 18, 2019
FORD GLOBAL TECHNOLOGIES, L.L.C.
Nathaniel HANSEN
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
LASER-HARDENED FILLET-ROLLED CRANKSHAFT
Publication number
20190143398
Publication date
May 16, 2019
FORD GLOBAL TECHNOLOGIES, L.L.C.
Nathaniel Hansen
B24 - GRINDING POLISHING
Information
Patent Application
Non-Heat Treated Steel for Induction Hardening
Publication number
20190136354
Publication date
May 9, 2019
NIPPON STEEL & SUMITOMO METAL CORPORATION
Makoto Egashira
C21 - METALLURGY OF IRON
Information
Patent Application
LARGE CRANKSHAFT
Publication number
20190010589
Publication date
Jan 10, 2019
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Hiroyuki TAKAOKA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND SYSTEM FOR LASER HARDENING OF A SURFACE OF A WORKPIECE
Publication number
20190002997
Publication date
Jan 3, 2019
ETXE-TAR, S.A.
Amaia GABILONDO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CONNECTING ROD FOR VARIABLE COMPRESSION INTERNAL COMBUSTION ENGINE
Publication number
20180179949
Publication date
Jun 28, 2018
ECO Holding 1 GmbH
Alexander Diehm
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD AND APPARATUS FOR HEAT TREATMENT OF A FERROUS MATERIAL USING...
Publication number
20180155804
Publication date
Jun 7, 2018
IKERGUNE, A.I.E.
Paula SANCHO DÍAZ
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A CAMSHAFT
Publication number
20180065205
Publication date
Mar 8, 2018
MAHLE International GmbH
Andreas Geyer
C21 - METALLURGY OF IRON
Information
Patent Application
LASER HARDENED CRANKSHAFT
Publication number
20170343038
Publication date
Nov 30, 2017
Ford Motor Company
Michael A. Kopmanis
C21 - METALLURGY OF IRON
Information
Patent Application
CARBURIZING AUSTEMPERING PROCESS
Publication number
20170283899
Publication date
Oct 5, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Huaxin Li
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL, CRANKSHAFT, AND AUTOMOBILE COMPONENT
Publication number
20170284452
Publication date
Oct 5, 2017
DAIDO STEEL CO., LTD.
Ryosuke OHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING A SLIDING CAMSHAFT
Publication number
20170226606
Publication date
Aug 10, 2017
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Huaxin Li
C21 - METALLURGY OF IRON