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C21D8/005
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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
C21D8/00
Modifying the physical properties by deformation combined with, or followed by, heat treatment
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C21D8/005
of ferrous alloys
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last 30 patents
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Patent Grant
Steel sheet coated with a metallic coating based on aluminum
Patent number
12,012,655
Issue date
Jun 18, 2024
Arcelormittal
Christian Allely
B32 - LAYERED PRODUCTS
Information
Patent Grant
Valve spring
Patent number
12,006,994
Issue date
Jun 11, 2024
Nippon Steel Corporation
Shinya Teramoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material and component
Patent number
12,006,557
Issue date
Jun 11, 2024
Nippon Steel Corporation
Kei Miyanishi
C21 - METALLURGY OF IRON
Information
Patent Grant
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
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
11,970,751
Issue date
Apr 30, 2024
Nippon Steel Corporation
Yoshiyuki Ushigami
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
Patent number
11,959,177
Issue date
Apr 16, 2024
JFE Steel Corporation
Masayuki Kasai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Non oriented electrical steel sheet
Patent number
11,952,641
Issue date
Apr 9, 2024
Nippon Steel Corporation
Masaru Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain oriented electrical steel sheet
Patent number
11,948,711
Issue date
Apr 2, 2024
Nippon Steel Corporation
Takashi Kataoka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for gear and method for manufacturing gear using the same
Patent number
11,898,231
Issue date
Feb 13, 2024
Hyundai Motor Company
In Beom Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for optimizing microstructure of rail welded joint
Patent number
11,866,801
Issue date
Jan 9, 2024
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
Xin Lu
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel allowing low-temperature welding and high-heat...
Patent number
11,821,063
Issue date
Nov 21, 2023
Northeastern University
Chao Wang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
Patent number
11,814,709
Issue date
Nov 14, 2023
JFE Steel Corporation
Masayuki Kasai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
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...
Information
Patent Grant
Surface-treated steel sheet and method for manufacturing surface-tr...
Patent number
11,794,449
Issue date
Oct 24, 2023
Nippon Steel Corporation
Takehiro Takahashi
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information
Patent Grant
Tools and related methods for cold-working fluid ends
Patent number
11,794,306
Issue date
Oct 24, 2023
Superior Shot Peening, Inc.
Daniel Spinner
B24 - GRINDING POLISHING
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
11,773,462
Issue date
Oct 3, 2023
POSCO Co., Ltd
Min Serk Kwon
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for preparing same
Patent number
11,773,463
Issue date
Oct 3, 2023
POSCO Co., Ltd
Jae-Hoon Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Surface treatment for a wellbore drill bit
Patent number
11,761,049
Issue date
Sep 19, 2023
Halliburton Energy Services, Inc.
Daniel Brendan Voglewede
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,732,319
Issue date
Aug 22, 2023
JFE Steel Corporation
Yoshihiko Oda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
11,725,254
Issue date
Aug 15, 2023
POSCO Co., Ltd
Min Soo Han
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Rare earth die steel and preparation method thereof
Patent number
11,718,902
Issue date
Aug 8, 2023
JIANGXI UNIVERSITY OF SCIENCE & TECHNOLOGY
Zhigang Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
Bolt and fastened structure
Patent number
11,708,622
Issue date
Jul 25, 2023
Nissan Motor Co., Ltd.
Takahiro Hamada
C21 - METALLURGY OF IRON
Information
Patent Grant
High fracture toughness, high strength, precipitation hardenable st...
Patent number
11,702,714
Issue date
Jul 18, 2023
CRS HOLDINGS, LLC
Wesley T. Roth
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Flat steel product with an AI-coating, method for producing the sam...
Patent number
11,692,234
Issue date
Jul 4, 2023
ThyssenKrupp Steel Europe AG
Janko Banik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Deeply-hardened-surface turnout rail with high degree of undercooli...
Patent number
11,655,514
Issue date
May 23, 2023
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
Jun Yuan
C21 - METALLURGY OF IRON
Information
Patent Grant
Controlled thermal coefficient product system and method
Patent number
11,643,698
Issue date
May 9, 2023
James Alan Monroe
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Quench and temper corrosion resistant steel alloy and method for pr...
Patent number
11,634,803
Issue date
Apr 25, 2023
CRS HOLDINGS, LLC
David E. Wert
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Grain-oriented electrical steel sheet, annealing separator, and met...
Patent number
11,634,787
Issue date
Apr 25, 2023
Nippon Steel Corporation
Ryutaro Yamagata
C21 - METALLURGY OF IRON
Information
Patent Grant
Personal ornament and method for producing personal ornament
Patent number
11,618,930
Issue date
Apr 4, 2023
SEIKO WATCH KABUSHIKI KAISHA
Jun Tsuneyoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot working die steel with high thermal strength and high toughness...
Patent number
11,608,550
Issue date
Mar 21, 2023
Rugao Hongmao Heavy-duty Forging Co., Ltd.
Qingchun Zhou
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
METHOD FOR MANUFACTURING REFERENCE PIECE FOR MEASURING RETAINED AUS...
Publication number
20240182994
Publication date
Jun 6, 2024
SINTOKOGIO, LTD.
Yuta Saito
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTU...
Publication number
20240150861
Publication date
May 9, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Koji YAMASHITA
C21 - METALLURGY OF IRON
Information
Patent Application
DUPLEX STAINLESS STEEL AND FORMED OBJECT THEREOF
Publication number
20240141466
Publication date
May 2, 2024
Sandvik Intellectual Property AB
Daniel GULLBERG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL FOR GEAR AND METHOD FOR MANUFACTURING GEAR USING THE SAME
Publication number
20240124962
Publication date
Apr 18, 2024
Hyundai Motor Company
In Beom Lee
C21 - METALLURGY OF IRON
Information
Patent Application
EXTRA THICK HOT ROLLED H SECTION STEEL AND PRODUCTION METHOD THEREFOR
Publication number
20240110255
Publication date
Apr 4, 2024
MAANSHAN IRON & STEEL CO., LTD.
Meng XIA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ALUMINUM PLATED STEEL SHEET, THERMOFORMED COMPONENT, AND MANUFACTUR...
Publication number
20240093342
Publication date
Mar 21, 2024
Baoshan Iron & Steel Co., Ltd
Ning TAN
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
OIL RING WIRE
Publication number
20240093325
Publication date
Mar 21, 2024
TOKUSEN KOGYO CO., LTD.
Miho FUJINO
C21 - METALLURGY OF IRON
Information
Patent Application
MICROCRACK-REDUCED, HOT PRESS-FORMED ARTICLE, AND METHOD FOR MANUFA...
Publication number
20240082902
Publication date
Mar 14, 2024
POSCO CO., LTD.
Hyeon-Seok HWANG
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
VALVE SPRING
Publication number
20240077123
Publication date
Mar 7, 2024
NIPPON STEEL CORPORATION
Shinya TERAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
MODERATE-STRENGTH STEEL RAIL AND PRODUCTION METHOD THEREOF
Publication number
20240068063
Publication date
Feb 29, 2024
Pangang Group Panzhihua Iron & Steel Research Institute Co., Ltd.
Jun YUAN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND ANTIBACTER...
Publication number
20240060151
Publication date
Feb 22, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Akinori KAWANO
C21 - METALLURGY OF IRON
Information
Patent Application
Low density cold rolled and annealed steel sheet, method of product...
Publication number
20240052465
Publication date
Feb 15, 2024
ARCELORMITTAL
Pascal LORENZINI
C21 - METALLURGY OF IRON
Information
Patent Application
NON-MAGNETIC TIMEPIECE PARTS AND THERMOMECHANICAL TREATMENT METHOD...
Publication number
20240043951
Publication date
Feb 8, 2024
UNIVERSITE DE LORRAINE
Pascal LAHEURTE
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
HIGHLY THICK STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE IMPACT...
Publication number
20240035107
Publication date
Feb 1, 2024
POSCO Co., Ltd
Dae-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
DUPLEX STAINLESS STEEL AND USE THEREOF
Publication number
20240035135
Publication date
Feb 1, 2024
Stamicarbon B.V.
Daniel GULLBERG
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Application
OIL RING WIRE
Publication number
20240026972
Publication date
Jan 25, 2024
TOKUSEN KOGYO CO., LTD.
Kei OTANI
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH MOLYBDENUM DUPLEX STAINLESS STEEL
Publication number
20240026509
Publication date
Jan 25, 2024
Carpenter Technology Corporation
Austin Dicus
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT WORK TOOL STEEL
Publication number
20240011135
Publication date
Jan 11, 2024
UDDEHOLMS AB
Sebastian EJNERMARK
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR RAILS AND A METHOD OF MANUFACTURING OF A RAIL THEREOF
Publication number
20240002966
Publication date
Jan 4, 2024
ARCELORMITTAL
Diego CARRASCAL
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING SEPARATOR COMPOSITION FOR GRAIN-ORIENTED ELECTRICAL STEEL...
Publication number
20230407432
Publication date
Dec 21, 2023
POSCO CO., LTD.
Min Serk Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH CARBON MARTENSITIC STAINLESS STEEL
Publication number
20230392240
Publication date
Dec 7, 2023
STEER ENGINEERING PRIVATE LIMITED
VIJAY SHRINIVAS
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Forming Vehicle Component
Publication number
20230383372
Publication date
Nov 30, 2023
FORD GLOBAL TECHNOLOGIES, L.L.C.
Constantin Chiriac
B32 - LAYERED PRODUCTS
Information
Patent Application
METHOD FOR PREPARING BAINITE HOT-WORKING DIE
Publication number
20230366055
Publication date
Nov 16, 2023
Hebei Vocational University of Industry and Technology
Shuang LI
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL
Publication number
20230357909
Publication date
Nov 9, 2023
Outokumpu Oyj
James Oliver
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR LEAF SPRINGS OF AUTOMOBILES AND A METHOD OF MANUFACTURING...
Publication number
20230340631
Publication date
Oct 26, 2023
ARCELORMITTAL
Jean-Michel JACHMICH
C21 - METALLURGY OF IRON
Information
Patent Application
Production method of novel austenitic stainless steel kitchen knive...
Publication number
20230330800
Publication date
Oct 19, 2023
Haifa Zheng
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
CONTROLLED THERMAL COEFFICIENT PRODUCT SYSTEM AND METHOD
Publication number
20230250504
Publication date
Aug 10, 2023
THE TEXAS A&M UNIVERSITY SYSTEM
James Alan Monroe
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PROCESSING ADVANCED HIGH STRENGTH STEEL
Publication number
20230183828
Publication date
Jun 15, 2023
Timothy W. SKSZEK
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