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C21D8/0236
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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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C21D8/0236
Cold rolling
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Patents Grants
last 30 patents
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Patent Grant
Method for manufacturing a steel sheet with a ZnAlMg coating, corre...
Patent number
12,325,893
Issue date
Jun 10, 2025
Arcelormittal
Eric Jacqueson
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing of stainless steel strips
Patent number
12,325,888
Issue date
Jun 10, 2025
OUTOKUMPU OYJ
Esa Puukko
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Aluminum alloy material suitable for use in the food industry and p...
Patent number
12,325,900
Issue date
Jun 10, 2025
Mustafa Murat Dundar
C21 - METALLURGY OF IRON
Information
Patent Grant
Annealing separator composition for grain-oriented electrical steel...
Patent number
12,325,890
Issue date
Jun 10, 2025
POSCO Co., Ltd
Min Soo Han
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet
Patent number
12,319,992
Issue date
Jun 3, 2025
voestalpine STAHL GmbH
Florian Winkelhofer
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel sheet and method for manufacturing the same
Patent number
12,312,650
Issue date
May 27, 2025
JFE Steel Corporation
Shuji Nishida
C21 - METALLURGY OF IRON
Information
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
Information
Patent Grant
Method of manufacturing grain-oriented electrical steel sheet
Patent number
12,312,662
Issue date
May 27, 2025
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
Information
Patent Grant
Stainless steel sheet and methods for manufacturing the same
Patent number
12,305,247
Issue date
May 20, 2025
JFE Steel Corporation
Shuji Nishida
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Cold rolled steel sheet
Patent number
12,305,257
Issue date
May 20, 2025
JFE Steel Corporation
Shinichi Furuya
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for cans and method of producing same
Patent number
12,305,254
Issue date
May 20, 2025
JFE Steel Corporation
Nobusuke Kariya
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet and manufacturing method thereof
Patent number
12,305,256
Issue date
May 20, 2025
POSCO Co., Ltd
Young-Roc Im
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method thereof
Patent number
12,305,258
Issue date
May 20, 2025
Nippon Steel Corporation
Eriko Tsukamoto
C21 - METALLURGY OF IRON
Information
Patent Grant
Plated steel sheet having excellent strength, formability and surfa...
Patent number
12,305,287
Issue date
May 20, 2025
POSCO Co., Ltd
Yong-Hoon Choi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of manufacturing aluminum plate
Patent number
12,303,956
Issue date
May 20, 2025
ALUTEC CO., LTD
Do Bong Park
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
High strength steel sheet, impact absorbing member, and method for...
Patent number
12,297,543
Issue date
May 13, 2025
JFE Steel Corporation
Yoshiyasu Kawasaki
C21 - METALLURGY OF IRON
Information
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
Hot press formed product having excellent corrosion resistance and...
Patent number
12,297,544
Issue date
May 13, 2025
POSCO Co., Ltd
Il-Ryoung Sohn
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength steel sheet having excellent delayed fracture resistance
Patent number
12,286,683
Issue date
Apr 29, 2025
Kobe Steel, Ltd.
Kosuke Shibata
C21 - METALLURGY OF IRON
Information
Patent Grant
Thin steel sheet and method for manufacturing same
Patent number
12,286,680
Issue date
Apr 29, 2025
JFE Steel Corporation
Noriaki Kohsaka
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel product and a process to produce a high strengt...
Patent number
12,286,682
Issue date
Apr 29, 2025
TATA STEEL NEDERLAND TECHNOLOGY BV
Shangping Chen
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
Information
Patent Grant
Ferritic stainless steel sheet, production method thereof, and ferr...
Patent number
12,270,096
Issue date
Apr 8, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Kou Nishimura
C21 - METALLURGY OF IRON
Information
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
FeCoV alloy and method for producing a strip from an FeCoV alloy
Patent number
12,264,386
Issue date
Apr 1, 2025
Vacuumschmelze GmbH & Co. KG
Niklas Volbers
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
12,264,378
Issue date
Apr 1, 2025
JFE Steel Corporation
Kazuki Endoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of heat treating a cold rolled steel strip
Patent number
12,264,375
Issue date
Apr 1, 2025
TATA STEEL IJMUIDEN BV
Shangping Chen
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength steel sheet and method for producing same
Patent number
12,258,646
Issue date
Mar 25, 2025
JFE Steel Corporation
Hidekazu Minami
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
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
COLD ROLLED STEEL PLATE FOR GALVANIZED STEEL PLATE, GALVANIZED STEE...
Publication number
20250171884
Publication date
May 29, 2025
Baoshan Iron & Steel Co., Ltd
Shuang XIE
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
High Strength, Cold Rolled Steel With Reduced Sensitivity to Hydrog...
Publication number
20250171871
Publication date
May 29, 2025
ThyssenKrupp Steel Europe AG
Richard G. Thiessen
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, METHODS FOR MANUFACTURING THE SAME, METHOD FOR...
Publication number
20250163531
Publication date
May 22, 2025
JFE STEEL CORPORATION
Shinsuke KOMINE
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THEM
Publication number
20250163530
Publication date
May 22, 2025
JFE STEEL CORPORATION
Katsuya HATA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250163585
Publication date
May 22, 2025
POSCO CO., LTD
Kang-Min Lee
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD FOR MANUFACTURING STEEL SHEET
Publication number
20250146095
Publication date
May 8, 2025
NIPPON STEEL CORPORATION
Takafumi YOKOYAMA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL COMPOSITE GALVANIZED SHEET RESISTANT TO LME CRA...
Publication number
20250144916
Publication date
May 8, 2025
Baoshan Iron & Steel Co., Ltd
Ming LEI
B32 - LAYERED PRODUCTS
Information
Patent Application
COLD-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250146094
Publication date
May 8, 2025
NIPPON STEEL CORPORATION
Takuya NISHIO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT DIP-COATED STEEL STRIP WITH PLASTICITY BROUGHT AB...
Publication number
20250146097
Publication date
May 8, 2025
SALZGITTER FLACHSTAHL GMBH
Konstantin Molodov
B32 - LAYERED PRODUCTS
Information
Patent Application
ULTRA-HIGH STRENGTH COLD-ROLLED STEEL SHEET HAVING EXCELLENT HOLE-E...
Publication number
20250137085
Publication date
May 1, 2025
POSCO CO., LTD.
Min-Seo KOO
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250137084
Publication date
May 1, 2025
JFE STEEL CORPORATION
Yusuke Wada
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME
Publication number
20250137109
Publication date
May 1, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Yoshitomo FUJIMURA
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
TIN PLATE AND MANUFACTURING METHOD THEREFOR
Publication number
20250101540
Publication date
Mar 27, 2025
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Yifeng SONG
B22 - CASTING POWDER METALLURGY
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
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20250092484
Publication date
Mar 20, 2025
POSCO CO., LTD.
Yu-Mi HA
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-CARBON, LOW-ALLOY AND HIGH-FORMABILITY DUAL-PHASE STEEL HAVING...
Publication number
20250084500
Publication date
Mar 13, 2025
Baoshan Iron & Steel Co., Ltd
Jun LI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH AND HIGH FORMABILITY STEEL SHEET HAVING EXCELLENT SPO...
Publication number
20250084517
Publication date
Mar 13, 2025
POSCO CO., LTD
Sung-Kyu Kim
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANIZED STEEL SHEET AND MEMBER, AND METHOD OF PRODUCING SAME
Publication number
20250084501
Publication date
Mar 13, 2025
JFE STEEL CORPORATION
Sho HIGUCHI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20250084515
Publication date
Mar 13, 2025
JFE STEEL CORPORATION
Ryohei MORIMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT STAMPED BODY
Publication number
20250084518
Publication date
Mar 13, 2025
NIPPON STEEL CORPORATION
Hitomi NISHIBATA
B22 - CASTING POWDER METALLURGY
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20250075285
Publication date
Mar 6, 2025
JFE STEEL CORPORATION
Ryohei MORIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
HOT STAMPED STEEL PLATE WITH AL-ZN-MG-SI PLATING AND HOT STAMPING M...
Publication number
20250075292
Publication date
Mar 6, 2025
Baoshan Iron & Steel Co., Ltd
Wenzhen BI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20250075283
Publication date
Mar 6, 2025
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
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
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
IRON-MANGANESE ALLOY HAVING IMPROVED WELDABILITY
Publication number
20250066888
Publication date
Feb 27, 2025
APERAM
Pierre-Louis REYDET
C21 - METALLURGY OF IRON