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Heat treatment of ferrous alloys
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C21D6/00
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Parent Industries
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
Current Industry
C21D6/00
Heat treatment of ferrous alloys
Sub Industries
C21D6/001
containing Ni
C21D6/002
containing Cr
C21D6/004
containing Cr and Ni
C21D6/005
containing Mn
C21D6/007
containing Co
C21D6/008
containing Si
C21D6/02
Hardening by precipitation
C21D6/04
Hardening by cooling below 0 degrees Celsius
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last 30 patents
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High-strength steel sheet and method for producing same
Patent number
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Issue date
Mar 25, 2025
JFE Steel Corporation
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
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Patent number
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Issue date
Mar 25, 2025
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Issue date
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C21 - METALLURGY OF IRON
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Hot-rolled steel sheet having excellent impact resistance, steel pi...
Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Issue date
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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Arcelormittal
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Issue date
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Issue date
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
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Posco
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C21 - METALLURGY OF IRON
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Patent Grant
High-strength cold-rolled steel sheet and production method for same
Patent number
12,241,137
Issue date
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Patent Grant
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Patent number
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Issue date
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
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Patent number
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Issue date
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JFE Steel Corporation
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C21 - METALLURGY OF IRON
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Medium-carbon boron-containing steel and controlled rolling and con...
Patent number
12,234,537
Issue date
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
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B22 - CASTING POWDER METALLURGY
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Method for controlling carbide network in a bearing steel wire rod...
Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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POSCO HOLDINGS INC.
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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JFE Steel Corporation
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
12,227,818
Issue date
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PROTERIAL, LTD.
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C21 - METALLURGY OF IRON
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Patent Grant
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Issue date
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Issue date
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C21 - METALLURGY OF IRON
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Patent Grant
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Patent number
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Issue date
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
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JFE Steel Corporation
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C21 - METALLURGY OF IRON
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last 30 patents
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Patent Application
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Publication date
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B22 - CASTING POWDER METALLURGY
Information
Patent Application
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Publication number
20250101561
Publication date
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C21 - METALLURGY OF IRON
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Publication date
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C21 - METALLURGY OF IRON
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20250101555
Publication date
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C21 - METALLURGY OF IRON
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20250101540
Publication date
Mar 27, 2025
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
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B22 - CASTING POWDER METALLURGY
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20250092481
Publication date
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C21 - METALLURGY OF IRON
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Publication date
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C21 - METALLURGY OF IRON
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20250092483
Publication date
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C21 - METALLURGY OF IRON
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Patent Application
HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...
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20250092480
Publication date
Mar 20, 2025
SHANDONG IRON AND STEEL COMPANY LTD.
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B22 - CASTING POWDER METALLURGY
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HOT STAMPING COMPONENT AND MANUFACTURING METHOD THEREFOR
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20250092485
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C21 - METALLURGY OF IRON
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C21 - METALLURGY OF IRON
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20250084500
Publication date
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Publication date
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C21 - METALLURGY OF IRON
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Publication date
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Publication date
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT STAMPED BODY
Publication number
20250084518
Publication date
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B22 - CASTING POWDER METALLURGY
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Patent Application
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Publication date
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C21 - METALLURGY OF IRON
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Application
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Publication date
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C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR PRODUCING SAME
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Publication date
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C21 - METALLURGY OF IRON
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Publication date
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C21 - METALLURGY OF IRON
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Patent Application
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Publication date
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C21 - METALLURGY OF IRON
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Publication date
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C21 - METALLURGY OF IRON
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C21 - METALLURGY OF IRON
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C21 - METALLURGY OF IRON
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C21 - METALLURGY OF IRON