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Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius
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CHEMISTRY METALLURGY
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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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C21D1/25
Hardening, combined with annealing between 300 degrees Celsius and 600 degrees Celsius
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last 30 patents
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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...
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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...
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Patent Grant
Cold rolled, coated and post batch annealed steel sheet
Patent number
12,110,570
Issue date
Oct 8, 2024
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Steel sheet, member, and method for producing them
Patent number
12,098,439
Issue date
Sep 24, 2024
JFE Steel Corporation
Lingling Yang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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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
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Hot dip galvanized steel sheet and method for producing same
Patent number
12,006,562
Issue date
Jun 11, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
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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
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High strength annealed steel products and annealing processes for m...
Patent number
11,993,823
Issue date
May 28, 2024
United States Steel Corporation
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Steel material suitable for use in sour environment
Patent number
11,891,680
Issue date
Feb 6, 2024
Nippon Steel Corporation
Yohei Otome
C21 - METALLURGY OF IRON
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Aluminum-based coating for flat steel products for press mold harde...
Patent number
11,795,535
Issue date
Oct 24, 2023
Salzgitter Flachstahl GmbH
Marc Debeaux
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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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
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Precipitation hardening stainless steel and its manufacture
Patent number
11,767,569
Issue date
Sep 26, 2023
OVAKO SWEDEN AB
Jan-Erik Andersson
C21 - METALLURGY OF IRON
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Low-density clad steel sheet having excellent formability and fatig...
Patent number
11,752,752
Issue date
Sep 12, 2023
POSCO Co., Ltd
Tae-Jin Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Metal coated steel sheet, manufacturing method of hot-dip galvanize...
Patent number
11,732,341
Issue date
Aug 22, 2023
Nippon Steel Corporation
Jun Haga
B32 - LAYERED PRODUCTS
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Carbo-nitriding process for martensitic stainless steel and stainle...
Patent number
11,667,999
Issue date
Jun 6, 2023
UES INC.
Hitesh K. Trivedi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Method for forming a cold rolled, coated and post batch annealed st...
Patent number
11,661,637
Issue date
May 30, 2023
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Precipitation hardening steel and its manufacture
Patent number
11,624,098
Issue date
Apr 11, 2023
OVAKO SWEDEN AB
Jan-Erik Andersson
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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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
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Stainless steel
Patent number
11,591,678
Issue date
Feb 28, 2023
Uddeholms AB
Magnus Tidesten
B22 - CASTING POWDER METALLURGY
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Production method for high-strength steel sheet
Patent number
11,578,381
Issue date
Feb 14, 2023
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Manufacturing method of a cutting member
Patent number
11,577,303
Issue date
Feb 14, 2023
Hangzhou Great Star Industrial Co., Ltd.
Weiyi Wang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Hot-rolled steel strip and manufacturing method
Patent number
11,572,603
Issue date
Feb 7, 2023
SSAB Technology AB
Mikko Hemmilä
C21 - METALLURGY OF IRON
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Cold rolled and annealed steel sheet and method of manufacturing th...
Patent number
11,530,461
Issue date
Dec 20, 2022
Arcelormittal
Kangying Zhu
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Case hardened titanium parts and method for making the same
Patent number
11,492,691
Issue date
Nov 8, 2022
The Boeing Company
Joseph M. Greene
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Seamless steel pipe and method for producing same
Patent number
11,453,925
Issue date
Sep 27, 2022
Nippon Steel Corporation
Takeshi Miki
C21 - METALLURGY OF IRON
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Extremely high conductivity low cost steel
Patent number
11,421,290
Issue date
Aug 23, 2022
INNOMAQ 21, SOCIEDAD LIMITADA
Isaac Valls Anglés
B22 - CASTING POWDER METALLURGY
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High-strength steel sheet and production method therefor
Patent number
11,401,595
Issue date
Aug 2, 2022
JFE Steel Corporation
Hidekazu Minami
C21 - METALLURGY OF IRON
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High strength annealed steel products
Patent number
11,268,162
Issue date
Mar 8, 2022
United States Steel Corporation
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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High performance iron-based alloys for engine valvetrain applicatio...
Patent number
11,215,090
Issue date
Jan 4, 2022
L. E. Jones Company
Cong Yue Qiao
C21 - METALLURGY OF IRON
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Seamless stainless steel pipe for oil country tubular goods and met...
Patent number
11,193,179
Issue date
Dec 7, 2021
JFE Steel Corporation
Kazuki Fujimura
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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Patent Application
STEEL PIPE FOR OIL CYLINDER AND MANUFACTURING METHOD THEREFOR
Publication number
20250012382
Publication date
Jan 9, 2025
Baoshan Iron & Steel Co., Ltd
Wen Sun
C21 - METALLURGY OF IRON
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Patent Application
Alloy for Mud Motor Shaft Applications with High Strength, High Imp...
Publication number
20240410041
Publication date
Dec 12, 2024
CRS HOLDINGS, LLC
Paul M. Novotny
C21 - METALLURGY OF IRON
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AUSTENITE ALLOY, BLANK AND COMPONENT, AND METHOD
Publication number
20240410040
Publication date
Dec 12, 2024
Siemens Energy Global GmbH & Co. KG
Torsten Neddemeyer
C21 - METALLURGY OF IRON
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HOT PRESSED MEMBER
Publication number
20240399439
Publication date
Dec 5, 2024
JFE STEEL CORPORATION
Minoru TANAKA
C21 - METALLURGY OF IRON
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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
LOW-DENSITY CLAD STEEL SHEET HAVING EXCELLENT FORMABILITY AND FATIG...
Publication number
20240326399
Publication date
Oct 3, 2024
POSCO CO., LTD.
Tae-Jin SONG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE...
Publication number
20240263265
Publication date
Aug 8, 2024
UNITED STATES STEEL CORPORATION
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
TOOL AND MANUFACTURING METHOD OF IT
Publication number
20240173787
Publication date
May 30, 2024
Seco Tools AB
Stefan LARSSON-FRITZ
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
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Patent Application
METHOD FOR MANUFACTURING EQUAL-HARDNESS CR5 BACK UP ROLL
Publication number
20230332261
Publication date
Oct 19, 2023
SINOSTEEL XINGTAI MACHINERY & MILL ROLL CO., LTD.
Di LIU
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD ROLLED, COATED AND POST BATCH ANNEALED STEEL SHEET
Publication number
20230257846
Publication date
Aug 17, 2023
ARCELORMITTAL
Hyun Jo JUN
C21 - METALLURGY OF IRON
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Patent Application
Anti-Collapse Oil Casing with High Strength and Manufacturing Metho...
Publication number
20230211396
Publication date
Jul 6, 2023
Baoshan Iron & Steel Co., Ltd
Xiaoming Dong
C21 - METALLURGY OF IRON
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Patent Application
STAINLESS STEEL
Publication number
20230193437
Publication date
Jun 22, 2023
UDDEHOLMS AB
Magnus Tidesten
B22 - CASTING POWDER METALLURGY
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Patent Application
Steel with Controlled Yield Ratio and Manufacturing Method therefor
Publication number
20230094959
Publication date
Mar 30, 2023
Baoshan Iron & Steel Co., Ltd
Sixin Zhao
C21 - METALLURGY OF IRON
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Patent Application
PROCESS FOR PRODUCING AN AT LEAST PARTLY QUENCHED AND TEMPERED SHEE...
Publication number
20230002844
Publication date
Jan 5, 2023
ThyssenKrupp Steel Europe AG
Bernd LINKE
C21 - METALLURGY OF IRON
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Patent Application
STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20220235442
Publication date
Jul 28, 2022
JFE STEEL CORPORATION
Yoshihiko Ono
C21 - METALLURGY OF IRON
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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...
Information
Patent Application
ALUMINUM-BASED COATING FOR FLAT STEEL PRODUCTS FOR PRESS MOLD HARDE...
Publication number
20220090250
Publication date
Mar 24, 2022
SALZGITTER FLACHSTAHL GMBH
Marc Debeaux
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT-ROLLED STEEL STRIP & MANUFACTURING METHOD
Publication number
20220002836
Publication date
Jan 6, 2022
SSAB TECHNOLOGY AB
Mikko Hemmilä
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION METHOD FOR HIGH-STRENGTH STEEL SHEET
Publication number
20220002832
Publication date
Jan 6, 2022
JFE STEEL CORPORATION
Hidekazu MINAMI
B32 - LAYERED PRODUCTS
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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...
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Patent Application
STEEL PLATE MEMBER AND METHOD OF PRODUCING THE SAME
Publication number
20210164069
Publication date
Jun 3, 2021
Toyota Jidosha Kabushiki Kaisha
Tomoaki IHARA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Application
METHOD FOR FORMING A COLD ROLLED, COATED AND POST BATCH ANNEALED ST...
Publication number
20210123114
Publication date
Apr 29, 2021
ARCELORMITTAL
Hyun Jo JUN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
CASE HARDENED TITANIUM PARTS AND METHOD FOR MAKING THE SAME
Publication number
20210025017
Publication date
Jan 28, 2021
The Boeing Company
Joseph M. Greene
C21 - METALLURGY OF IRON
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Patent Application
EXTREMELY HIGH CONDUCTIVITY LOW COST STEEL
Publication number
20200291496
Publication date
Sep 17, 2020
INNOMAQ 21, SOCIEDAD LIMITADA
Isaac VALLS ANGLES
B22 - CASTING POWDER METALLURGY
Information
Patent Application
ALUMINUM-IRON-ZIRCONIUM ALLOYS
Publication number
20200283875
Publication date
Sep 10, 2020
NanoAL LLC
Nhon Q. VO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
High Performance Iron-Based Alloys For Engine Valvetrain Applicatio...
Publication number
20200263575
Publication date
Aug 20, 2020
L. E. Jones Company
Cong Yue Qiao
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
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Patent Application
STAINLESS STEEL
Publication number
20200232076
Publication date
Jul 23, 2020
UDDEHOLMS AB
Magnus Tidesten
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH STRENGTH ANNEALED STEEL PRODUCTS AND ANNEALING PROCESSES FOR M...
Publication number
20200040422
Publication date
Feb 6, 2020
UNITED STATES STEEL CORPORATION
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ANNEALING PROCESSES FOR MAKING HIGH STRENGTH STEEL PRODUCTS
Publication number
20190390291
Publication date
Dec 26, 2019
UNITED STATES STEEL CORPORATION
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...