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C21D6/002
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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
C21D6/00
Heat treatment of ferrous alloys
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C21D6/002
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last 30 patents
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Patent Grant
Method for manufacturing a rail and corresponding rail
Patent number
12,365,957
Issue date
Jul 22, 2025
Arcelormittal
José Arancon Alvarez
C21 - METALLURGY OF IRON
Information
Patent Grant
Systems and methods for corrosion resistant stainless steel coatings
Patent number
12,365,991
Issue date
Jul 22, 2025
Allium Engineering, Inc.
Samuel McAlpine
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,359,275
Issue date
Jul 15, 2025
Nippon Steel Corporation
Yoshiyuki Ushigami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
980MPA grade cold-roll steel sheets with high hole expansion rate a...
Patent number
12,359,273
Issue date
Jul 15, 2025
Baoshan Iron & Steel Co., Ltd.
Peng Xue
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
12,354,778
Issue date
Jul 8, 2025
JFE Steel Corporation
Makoto Watanabe
C21 - METALLURGY OF IRON
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Patent Grant
Cold-rolling strip steel with strength and hardness thereof varying...
Patent number
12,351,887
Issue date
Jul 8, 2025
Baoshan Iron & Steel Co., Ltd.
Xiaodong Zhu
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot dip galvanized ultra-high strength steel sheets with high flatness
Patent number
12,344,915
Issue date
Jul 1, 2025
GM Global Technology Operations LLC
Zhou Wang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Hot stamped body
Patent number
12,344,924
Issue date
Jul 1, 2025
Nippon Steel Corporation
Shingo Fujinaka
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Integrated high throughput cold spray coating manufacturing system
Patent number
12,344,937
Issue date
Jul 1, 2025
Allium Engineering, Inc.
Samuel McAlpine
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Stainless steel and a cutting tool body made of the stainless steel
Patent number
12,338,517
Issue date
Jun 24, 2025
Uddeholms AB
Staffan Gunnarsson
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel sheet, member, and methods for producing the same
Patent number
12,338,505
Issue date
Jun 24, 2025
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for producing same
Patent number
12,331,375
Issue date
Jun 17, 2025
POSCO Co., Ltd
Dae-Hyun Song
C21 - METALLURGY OF IRON
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Patent Grant
Cold-rolled steel sheet and manufacturing method thereof
Patent number
12,331,379
Issue date
Jun 17, 2025
Nippon Steel Corporation
Takuya Nishio
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a grain-oriented electrical steel sheet
Patent number
12,325,892
Issue date
Jun 10, 2025
JFE Steel Corporation
Yasuyuki Hayakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot rolled steel sheet and a method of manufacturing thereof
Patent number
12,325,889
Issue date
Jun 10, 2025
Arcelormittal
Sujay Sarkar
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and high strength press hardened steel part having exce...
Patent number
12,312,647
Issue date
May 27, 2025
Arcelormittal
Alice Dumont
C21 - METALLURGY OF IRON
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Patent Grant
Material for hot stamping and method of manufacturing the same
Patent number
12,312,652
Issue date
May 27, 2025
Hyundai Steel Company
Nu Ri Shin
C21 - METALLURGY OF IRON
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Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
12,305,255
Issue date
May 20, 2025
JFE Steel Corporation
Yuiko Ehashi
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet, member, and method for producing them
Patent number
12,297,515
Issue date
May 13, 2025
JFE Steel Corporation
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
12,291,758
Issue date
May 6, 2025
JFE Steel Corporation
Yuiko Ehashi
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,291,759
Issue date
May 6, 2025
Nippon Steel Corporation
Yuya Suzuki
C21 - METALLURGY OF IRON
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Patent Grant
Low temperature hardenable steels with excellent machinability
Patent number
12,286,697
Issue date
Apr 29, 2025
VALLS BESITZ GMBH
Isaac Valls Angles
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing high-strength hot-dip galvanized steel sheet
Patent number
12,276,006
Issue date
Apr 15, 2025
JFE Steel Corporation
Shunsuke Yamamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of heat treating a high strength steel and a product obtaine...
Patent number
12,276,003
Issue date
Apr 15, 2025
Ironovation Materials Technology Co., Ltd.
Hongliang Yi
C21 - METALLURGY OF IRON
Information
Patent Grant
Galvanized steel sheet, electrodeposition-coated steel sheet, autom...
Patent number
12,276,028
Issue date
Apr 15, 2025
JFE Steel Corporation
Shunsuke Yamamoto
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Plated steel sheets for hot press forming having excellent hydrogen...
Patent number
12,269,081
Issue date
Apr 8, 2025
POSCO CO., LTD
Sang-Heon Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel sheet and method for manufacturing same
Patent number
12,270,088
Issue date
Apr 8, 2025
Nippon Steel Corporation
Eriko Tsukamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a welded steel blank and associated welded blank
Patent number
12,269,533
Issue date
Apr 8, 2025
Arcelormittal
Cristian Alvarez
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel wire rod having excellent spheroidizing heat treatment proper...
Patent number
12,264,379
Issue date
Apr 1, 2025
Posco
Sang-Yoon Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet, member, and methods for manufacturing the same
Patent number
12,258,647
Issue date
Mar 25, 2025
JFE Steel Corporation
Yusuke Wada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250236925
Publication date
Jul 24, 2025
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C21 - METALLURGY OF IRON
Information
Patent Application
APPARATUS, COMPOSITIONS, AND METHODS FOR STAINLESS-COATED STEEL REI...
Publication number
20250236956
Publication date
Jul 24, 2025
Allium Engineering, Inc.
Samuel McAlpine
B22 - CASTING POWDER METALLURGY
Information
Patent Application
LOW TEMPERATURE HARDENABLE STEELS WITH EXCELLENT MACHINABILITY
Publication number
20250230533
Publication date
Jul 17, 2025
Valls Besitz GmbH
Isaac Valls Anglés
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL
Publication number
20250215544
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Mikiko NOGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET
Publication number
20250215545
Publication date
Jul 3, 2025
NIPPON STEEL CORPORATION
Takuya NISHIO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD FOR PRODUCING A SUPPORT FILM FOR CATALYTIC CONVERTERS
Publication number
20250215540
Publication date
Jul 3, 2025
VDM Metals International GmbH
Rolf SCHENCKING
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20250207215
Publication date
Jun 26, 2025
JFE STEEL CORPORATION
Kohei KAWAZOME
C21 - METALLURGY OF IRON
Information
Patent Application
HOT STAMPING ALLOY, METHOD OF MAKING HOT STAMPED PARTS WITH SUCH AL...
Publication number
20250207233
Publication date
Jun 26, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Zhou WANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A WELDED STEEL BLANK AND ASSOCIATED WELDED BLANK
Publication number
20250206375
Publication date
Jun 26, 2025
ARCELORMITTAL
Cristian ALVAREZ
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET
Publication number
20250197984
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Shunsuke YAMAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20250197959
Publication date
Jun 19, 2025
JFE STEEL CORPORATION
Junya Tobata
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250179601
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING A FLAT STEEL PRODUCT HAVING AN ALUMINUM-B...
Publication number
20250179600
Publication date
Jun 5, 2025
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME
Publication number
20250179602
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Shimpei YOSHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR...
Publication number
20250171869
Publication date
May 29, 2025
JFE STEEL CORPORATION
Shinsuke KOMINE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20250146093
Publication date
May 8, 2025
JFE STEEL CORPORATION
Tomoyuki OKUBO
H02 - GENERATION CONVERSION OR DISTRIBUTION OF ELECTRIC POWER
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, MOTOR CORE, METHOD FOR MANUFAC...
Publication number
20250140456
Publication date
May 1, 2025
NIPPON STEEL CORPORATION
Ichiro TANAKA
C21 - METALLURGY OF IRON
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Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250137082
Publication date
May 1, 2025
ARCELORMITTAL
Alice DUMONT
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250137083
Publication date
May 1, 2025
ARCELORMITTAL
Alice DUMONT
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL FOR HOT FORMING, HOT FORMED PART, AND METHOD FOR MAN...
Publication number
20250137086
Publication date
May 1, 2025
POSCO CO., LTD
Sea-Woong Lee
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250122592
Publication date
Apr 17, 2025
HYUNDAI STEEL COMPANY
Bong June Park
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20250118468
Publication date
Apr 10, 2025
NIPPON STEEL CORPORATION
Haruhiko ATSUMI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET
Publication number
20250109467
Publication date
Apr 3, 2025
NIPPON STEEL CORPORATION
Daisuke ITO
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250109453
Publication date
Apr 3, 2025
POSCO Co., Ltd
Jae-Hoon KIM
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-FINE GRAINED STEELS HAVING CORROSION-FATIGUE RESISTANCE
Publication number
20250109465
Publication date
Apr 3, 2025
Tenaris Connections B.V.
Martin Bühler
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250101542
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL AND METHOD OF MANUFACTURING THE SAME
Publication number
20250092481
Publication date
Mar 20, 2025
CHINA STEEL CORPORATION
Kuo-Cheng YANG
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET AND MANUFACTURING METHO...
Publication number
20250092482
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Han Sol Maeng
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...
Publication number
20250092480
Publication date
Mar 20, 2025
SHANDONG IRON AND STEEL COMPANY LTD.
Zhongxue Wang
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR
Publication number
20250092485
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Min Ho Jang
C21 - METALLURGY OF IRON