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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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C21D1/22
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Patents Grants
last 30 patents
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Patent Grant
Hot-press molding method and hot-press molded product
Patent number
12,091,726
Issue date
Sep 17, 2024
Toyota Jidosha Kabushiki Kaisha
Eiichi Ota
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a steel sheet having improved strength, ductil...
Patent number
12,084,738
Issue date
Sep 10, 2024
Arcelormittal
Hyun Jo Jun
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method for producing the same
Patent number
12,043,876
Issue date
Jul 23, 2024
JFE Steel Corporation
Yoshihiko Ono
C21 - METALLURGY OF IRON
Information
Patent Grant
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...
Information
Patent Grant
High strength precipitation hardening stainless steel alloy and art...
Patent number
11,692,232
Issue date
Jul 4, 2023
Gregory Vartanov
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Tempered and coated steel sheet having excellent formability and a...
Patent number
11,655,516
Issue date
May 23, 2023
Arcelormittal
Jean-Marc Pipard
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing an ultra high strength galvannealed steel shee...
Patent number
11,512,362
Issue date
Nov 29, 2022
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
Method of producing press-hardened and coated steel parts at a high...
Patent number
11,466,339
Issue date
Oct 11, 2022
Arcelormittal
Michel Sanadres
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High performance material for coiled tubing applications and the me...
Patent number
11,377,704
Issue date
Jul 5, 2022
Tenaris Coiled Tubes, LLC
Martin Valdez
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
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...
Information
Patent Grant
Steel sheet
Patent number
11,242,583
Issue date
Feb 8, 2022
Nippon Steel Corporation
Mai Nagano
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing a tubular product and tubular product
Patent number
11,230,743
Issue date
Jan 25, 2022
Benteler Steel/Tube GmbH
Michael Kaufmann
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat treatment method and heat treatment apparatus
Patent number
11,230,746
Issue date
Jan 25, 2022
Schwartz GmbH
Frank Wilden
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for molds and molding tool
Patent number
11,141,778
Issue date
Oct 12, 2021
Daido Steel Co., Ltd.
Masamichi Kawano
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Hot-press molding method and hot-press molded product
Patent number
11,118,242
Issue date
Sep 14, 2021
Toyota Jidosha Kabushiki Kaisha
Eiichi Ota
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Galvannealed steel sheet
Patent number
11,035,020
Issue date
Jun 15, 2021
Arcelormittal
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel with yield strength of 800 MPa and production m...
Patent number
10,961,611
Issue date
Mar 30, 2021
Baoshan Iron & Steel Co., Ltd.
Gang Liu
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing press-hardened and coated steel parts at a high...
Patent number
10,669,607
Issue date
Jun 2, 2020
Arcelormittal
Michel Sanadres
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing press-hardened and coated steel parts at a high...
Patent number
10,648,055
Issue date
May 12, 2020
Arcelormittal
Michel Sanadres
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing press-hardened and coated steel parts at a high...
Patent number
10,640,842
Issue date
May 5, 2020
Arcelormittal
Michel Sanadres
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method of producing press-hardened and coated steel parts at a high...
Patent number
10,619,224
Issue date
Apr 14, 2020
Arcelormittal
Michel Sanadres
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength cold rolled steel sheet having excellent ductility, h...
Patent number
10,519,526
Issue date
Dec 31, 2019
POSCO
Kyoo-Young Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength seamless steel pipe for oil country tubular goods and...
Patent number
10,472,690
Issue date
Nov 12, 2019
JFE Steel Corporation
Masao Yuga
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing a high strength steel piece
Patent number
10,415,112
Issue date
Sep 17, 2019
Arcelormittal
Artem Arlazarov
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel products and annealing processes for making the...
Patent number
10,385,419
Issue date
Aug 20, 2019
United States Steel Corporation
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold-rolled narrow strip in the form of flat wire or profiled eleme...
Patent number
10,378,681
Issue date
Aug 13, 2019
C.D. Waelzholz GmbH
Hans-Toni Junius
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High performance material for coiled tubing applications and the me...
Patent number
10,378,075
Issue date
Aug 13, 2019
Tenaris Coiled Tubes, LLC
Martin Valdez
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
QUENCHING APPARATUS, QUENCHING METHOD, AND METHOD OF MANUFACTURING...
Publication number
20240360528
Publication date
Oct 31, 2024
JFE STEEL CORPORATION
Soshi YOSHIMOTO
C21 - METALLURGY OF IRON
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
STEEL SHEET, MEMBER, AND METHOD FOR PRODUCING THEM
Publication number
20240229201
Publication date
Jul 11, 2024
JFE STEEL CORPORATION
Shinsuke KOMINE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR MANUFACTURING A HIGH STRENGTH STEEL PLATE AND HIGH STREN...
Publication number
20240218475
Publication date
Jul 4, 2024
NLMK CLABECQ
Philippe HERNAUT
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL ALLOY AND METHOD OF MANUFACTURE EXHIBITING ENHANCED COMBINATI...
Publication number
20240167134
Publication date
May 23, 2024
Dean T. Pierce
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR HEAT TREATING A STEEL COMPONENT
Publication number
20240124950
Publication date
Apr 18, 2024
Aktiebolaget SKF
Daniel Roman WEIMANN
C21 - METALLURGY OF IRON
Information
Patent Application
MODIFIED HOT-DIP GALVANIZE COATINGS WITH LOW LIQUIDUS TEMPERATURE,...
Publication number
20240002994
Publication date
Jan 4, 2024
Colorado School Of Mines
John SPEER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20220010397
Publication date
Jan 13, 2022
JFE STEEL CORPORATION
Yoshihiko ONO
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOYED STEEL AND QUENCHED AND TEMPERED STEEL
Publication number
20210371947
Publication date
Dec 2, 2021
SIDENOR INVESTIGACION Y DESARROLLO, S.A.
Diego Herrero Villalibre
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-PRESS MOLDING METHOD AND HOT-PRESS MOLDED PRODUCT
Publication number
20210340643
Publication date
Nov 4, 2021
Toyota Jidosha Kabushiki Kaisha
Eiichi OTA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HEAT TREATMENT METHOD AND HEAT TREATMENT APPARATUS
Publication number
20210230711
Publication date
Jul 29, 2021
Schwartz GmbH
Frank Wilden
C21 - METALLURGY OF IRON
Information
Patent Application
MODIFIED HOT-DIP GALVANIZE COATINGS WITH LOW LIQUIDUS TEMPERATURE,...
Publication number
20210180172
Publication date
Jun 17, 2021
John SPEER
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
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...
Information
Patent Application
Method For Producing an Ultra High Strength Galvannealed Steel Shee...
Publication number
20210047707
Publication date
Feb 18, 2021
ARCELORMITTAL
Olga A. Girina
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF PRODUCTION OF STEEL PARTS BY QUENCHING WITH TEMPERATURE E...
Publication number
20210032713
Publication date
Feb 4, 2021
Zapadoceska univerzita v Plzni
Bohuslav Masek
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL SEAMLESS PIPE FOR OIL COUNTRY TUBULAR G...
Publication number
20200407814
Publication date
Dec 31, 2020
JFE STEEL CORPORATION
Mami ENDO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING A TUBULAR PRODUCT AND TUBULAR PRODUCT
Publication number
20200263266
Publication date
Aug 20, 2020
BENTELER STEEL/TUBE GMBH
Michael Kaufmann
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING PRESS-HARDENED AND COATED STEEL PARTS AT A HIGH...
Publication number
20200263272
Publication date
Aug 20, 2020
ARCELORMITTAL
Michel SANADRES
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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
HIGH-STRENGTH COLD-ROLLED STEEL SHEET, HIGH-STRENGTH HOT-DIP GALVAN...
Publication number
20200095651
Publication date
Mar 26, 2020
Kabushiki Kaisha Kobe Seiko Sha (Kobe Steel, Ltd.)
Kouji KASUYA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH PRECIPITATION HARDENING STAINLESS STEEL ALLOY AND ART...
Publication number
20200080164
Publication date
Mar 12, 2020
Gregory Vartanov
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...
Information
Patent Application
HIGH PERFORMANCE MATERIAL FOR COILED TUBING APPLICATIONS AND THE ME...
Publication number
20190360063
Publication date
Nov 28, 2019
TENARIS COILED TUBES, LLC
Martin Valdez
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH PERFORMANCE MATERIAL FOR COILED TUBING APPLICATIONS AND THE ME...
Publication number
20190360064
Publication date
Nov 28, 2019
TENARIS COILED TUBES, LLC
Martin Valdez
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
TEMPERED AND COATED STEEL SHEET HAVING EXCELLENT FORMABILITY AND A...
Publication number
20190338388
Publication date
Nov 7, 2019
ARCELORMITTAL
Jean-Marc PIPARD
C21 - METALLURGY OF IRON
Information
Patent Application
NIOBIUM AND CHROMIUM LOW ALLOY CARBON STEEL FOR HIGH WEAR RESISTANT...
Publication number
20190211415
Publication date
Jul 11, 2019
BorgWarner Inc.
Yumin WANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF PRODUCING PRESS-HARDENED AND COATED STEEL PARTS AT A HIGH...
Publication number
20190185959
Publication date
Jun 20, 2019
ARCELORMITTAL
Michel SANADRES
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF PRODUCING PRESS-HARDENED AND COATED STEEL PARTS AT A HIGH...
Publication number
20190153560
Publication date
May 23, 2019
ARCELORMITTAL
Michel SANADRES
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
FLAT STEEL PRODUCT AND METHOD FOR THE PRODUCTION THEREOF
Publication number
20190119774
Publication date
Apr 25, 2019
ThyssenKrupp Steel Europe AG
Richard G. THIESSEN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...