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C21D9/46
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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
C21D9/00
Heat treatment
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C21D9/46
for sheet metals
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing an austenitic steel component and use of t...
Patent number
12,241,139
Issue date
Mar 4, 2025
OUTOKUMPU OYJ
C21 - METALLURGY OF IRON
Information
Patent Grant
Aluminum-iron-plated steel sheet, having excellent mold wear resist...
Patent number
12,241,162
Issue date
Mar 4, 2025
Posco
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Wear resistant steel material with excellent cut crack resistance a...
Patent number
12,241,138
Issue date
Mar 4, 2025
Posco
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled plated steel sheet, and method for produci...
Patent number
12,241,134
Issue date
Mar 4, 2025
POSCO Co., Ltd
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet and production method for same
Patent number
12,241,137
Issue date
Mar 4, 2025
JFE Steel Corporation
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Cold rolled steel sheet for zirconium-based chemical conversion tre...
Patent number
12,234,556
Issue date
Feb 25, 2025
JFE Steel Corporation
Hayato Takeyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel plate for pressure vessel with excellent cryogenic toughness...
Patent number
12,234,526
Issue date
Feb 25, 2025
POSCO HOLDINGS INC.
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet with insulating film and meth...
Patent number
12,234,523
Issue date
Feb 25, 2025
JFE Steel Corporation
Karin Kokufu
C21 - METALLURGY OF IRON
Information
Patent Grant
Metal plate for producing vapor deposition masks, production method...
Patent number
12,227,823
Issue date
Feb 18, 2025
Dai Nippon Printing Co., Ltd.
Hiroki Oka
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steel
Patent number
12,227,817
Issue date
Feb 18, 2025
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet, hot-dip coated steel sheet, and method for...
Patent number
12,221,669
Issue date
Feb 11, 2025
Nippon Steel Corporation
Kentarou Hirata
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Acid-resistant steel sheet and manufacturing method therefor
Patent number
12,221,707
Issue date
Feb 11, 2025
POSCO Co., Ltd
Minho Jo
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,221,661
Issue date
Feb 11, 2025
Nippon Steel Corporation
Masahiro Kubo
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultrahigh-strength steel having excellent cold workability and SSC...
Patent number
12,221,682
Issue date
Feb 11, 2025
POSCO Co., Ltd
Dae-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength aluminum coated steel sheet having excellent anti-cor...
Patent number
12,221,700
Issue date
Feb 11, 2025
POSCO Co., Ltd
Suk-Kyu Lee
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Welded member of galvanized steel sheets
Patent number
12,221,701
Issue date
Feb 11, 2025
POSCO Co., Ltd
Ki-Cheol Kang
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Apparatus for manufacturing thin steel sheet and method for manufac...
Patent number
12,221,664
Issue date
Feb 11, 2025
Nippon Steel Corporation
Takuya Takayama
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel sheet and method for producing same
Patent number
12,221,666
Issue date
Feb 11, 2025
Nippon Steel Corporation
Kengo Takeda
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Corrosion resistant high strength brazing sheet
Patent number
12,221,675
Issue date
Feb 11, 2025
Arconic Technologies LLC
Baolute Ren
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Alloyed galvanized steel sheet, electrodeposition-coated steel shee...
Patent number
12,221,705
Issue date
Feb 11, 2025
JFE Steel Corporation
Shunsuke Yamamoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Austenitic stainless steel material
Patent number
12,221,665
Issue date
Feb 11, 2025
Nippon Steel Corporation
Misaho Yamamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-stamping formed body
Patent number
12,221,667
Issue date
Feb 11, 2025
Nippon Steel Corporation
Hiroyuki Nakagawa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength steel sheet and method for manufacturing the same
Patent number
12,221,668
Issue date
Feb 11, 2025
JFE Steel Corporation
Kazuki Endoh
B32 - LAYERED PRODUCTS
Information
Patent Grant
Steel plate for high temperature applications having excellent stre...
Patent number
12,221,681
Issue date
Feb 11, 2025
POSCO Co., Ltd
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-directional electrical steel sheet and method for producing same
Patent number
12,215,400
Issue date
Feb 4, 2025
POSCO Co., Ltd
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for heat treatment of metal alloy sheet
Patent number
12,215,412
Issue date
Feb 4, 2025
ELKEME Hellenic Research Centre for Metals S.A.
Peter Von Czarnowski
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet, and steel sheet serving as b...
Patent number
12,217,889
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shuichi Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Coating liquid for forming insulation coating for grain-oriented el...
Patent number
12,215,398
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shuichi Yamazaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain oriented electrical steel sheet, forming method for insulatio...
Patent number
12,215,410
Issue date
Feb 4, 2025
Nippon Steel Corporation
Ichiro Tanaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
12,215,401
Issue date
Feb 4, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
HIGH-STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT BENDING WORK...
Publication number
20250066870
Publication date
Feb 27, 2025
POSCO CO., LTD.
Hang-Sik CHO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MOTOR CORE COMPRISING SAME
Publication number
20250066892
Publication date
Feb 27, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT-STAMPING, METHOD FOR MANUFACTURING STEEL SHEET...
Publication number
20250066887
Publication date
Feb 27, 2025
NIPPON STEEL CORPORATION
Masafumi AZUMA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, AND MANUFACTURING METHOD THE...
Publication number
20250066885
Publication date
Feb 27, 2025
POSCO CO., LTD
Kyungjun Ko
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
DOUBLE ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20250059616
Publication date
Feb 20, 2025
POSCO CO., LTD
Hyunwoo Mun
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING SAME,...
Publication number
20250059618
Publication date
Feb 20, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET AND PRODUCTION METHOD THEREFOR
Publication number
20250059615
Publication date
Feb 20, 2025
JFE STEEL CORPORATION
Shuji NISHIDA
C21 - METALLURGY OF IRON
Information
Patent Application
HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MA...
Publication number
20250059617
Publication date
Feb 20, 2025
voestalpine Grobblech GmbH
Rupert EGGER
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRAHIGH-STRENGTH HOT-ROLLED STEEL SHEET HAVING EXCELLENT FORMABIL...
Publication number
20250051870
Publication date
Feb 13, 2025
POSCO CO., LTD
Tae-Jin Song
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF SAME
Publication number
20250051871
Publication date
Feb 13, 2025
POSCO Co., Ltd
Hyun-Seok KO
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING SEPARATING AGENT COMPOSITION FOR GRAIN ORIENTED ELECTRICA...
Publication number
20250051869
Publication date
Feb 13, 2025
POSCO Co., Ltd
Min Serk KWON
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING GRA...
Publication number
20250051891
Publication date
Feb 13, 2025
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL FOR HYPER TUBE AND MANUFACTURING METHOD THEREFOR
Publication number
20250051892
Publication date
Feb 13, 2025
POSCO Co., Ltd
Hong-Seok YANG
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING Cu-Sn-CONTAINING STEEL
Publication number
20250051873
Publication date
Feb 13, 2025
JFE STEEL CORPORATION
Yuta SAKURAI
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR
Publication number
20250051894
Publication date
Feb 13, 2025
POSCO Co., Ltd
Seokweon Song
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING...
Publication number
20250051867
Publication date
Feb 13, 2025
POSCO CO., LTD
Jae-Song Kim
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250051888
Publication date
Feb 13, 2025
POSCO CO., LTD
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Application
HEAVY PLATE AND THERMOMECHANICAL TREATMENT METHOD FOR A STARTING MA...
Publication number
20250051890
Publication date
Feb 13, 2025
voestalpine Grobblech GmbH
Rupert EGGER
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESSING AND HOT-STAMPED PART MANUFACTURED USIN...
Publication number
20250051872
Publication date
Feb 13, 2025
HYUNDAI STEEL COMPANY
Jae Min Lee
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
COLD-ROLLED STEEL SHEET AND GALVANIZED STEEL SHEET WITH EXCELLENT P...
Publication number
20250043379
Publication date
Feb 6, 2025
POSCO CO., LTD
Byoung Ho Lee
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR MANUFACTURING GRA...
Publication number
20250043381
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Ryutaro YAMAGATA
C21 - METALLURGY OF IRON
Information
Patent Application
MATERIAL FOR HOT STAMPING
Publication number
20250043402
Publication date
Feb 6, 2025
HYUNDAI STEEL COMPANY
Nu Ri Shin
C21 - METALLURGY OF IRON
Information
Patent Application
Zinc Coated Mn-containing advanced high strength steel and method o...
Publication number
20250043407
Publication date
Feb 6, 2025
ARCELORMITTAL
Astrid PERLADE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METAL PLATE FOR PRODUCING VAPOR DEPOSITION MASKS, PRODUCTION METHOD...
Publication number
20250043399
Publication date
Feb 6, 2025
DAI NIPPON PRINTING CO., LTD.
Hiroki OKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
AUSTENITIC STEEL HAVING EXCELLENT ULTRA-LOW TEMPERATURE TOUGHNESS I...
Publication number
20250043405
Publication date
Feb 6, 2025
POSCO Co., Ltd
Soon-Gi LEE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20250043398
Publication date
Feb 6, 2025
JFE STEEL CORPORATION
Takaaki TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
CARBIDE-FREE TEMPERED MARTENSITIC STEELS AND PREPARATION METHODS TH...
Publication number
20250043377
Publication date
Feb 6, 2025
Beijing Institute of Technology
Zhiping XIONG
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL WITH EXCELLENT NEUTRAL AQUEOUS MEDIUM CORROSION...
Publication number
20250043378
Publication date
Feb 6, 2025
WUHAN UNIVERSITY OF SCIENCE AND TECHNOLOGY
Kaiming WU
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD OF MANUFACTURING COLD-ROLLED STE...
Publication number
20250043380
Publication date
Feb 6, 2025
NIPPON STEEL CORPORATION
Kengo HATA
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING
Publication number
20250043404
Publication date
Feb 6, 2025
POSCO CO., LTD
Jaiik Kim
C21 - METALLURGY OF IRON