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Heat treatment of ferrous alloys
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C21D6/00
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Parent Industries
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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
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C21D6/00
Heat treatment of ferrous alloys
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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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Method for producing high-strength steel parts with improved ductil...
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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C21 - METALLURGY OF IRON
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Patent number
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C21 - METALLURGY OF IRON
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Patent number
11,965,223
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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Martensitic stainless seamless steel pipe
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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Patent number
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Issue date
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Low density press-hardening steel having enhanced mechanical proper...
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C21 - METALLURGY OF IRON
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Patent number
11,952,640
Issue date
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C21 - METALLURGY OF IRON
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Patent number
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Issue date
Apr 9, 2024
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Patent number
11,952,648
Issue date
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Tenaris Coiled Tubes, LLC
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C21 - METALLURGY OF IRON
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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 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 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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Patent number
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C04 - CEMENTS CONCRETE ARTIFICIAL STONE CERAMICS REFRACTORIES
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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
11,938,542
Issue date
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B22 - CASTING POWDER METALLURGY
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Patent number
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Issue date
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Nippon Steel Corporation
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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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Patent number
11,920,207
Issue date
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Arcelormittal
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last 30 patents
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Publication date
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C21 - METALLURGY OF IRON
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Publication date
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B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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20240141469
Publication date
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C21 - METALLURGY OF IRON
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20240141452
Publication date
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C21 - METALLURGY OF IRON
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20240141454
Publication date
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C21 - METALLURGY OF IRON
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20240141466
Publication date
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B22 - CASTING POWDER METALLURGY
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Publication number
20240133007
Publication date
Apr 25, 2024
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C21 - METALLURGY OF IRON
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Patent Application
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Publication number
20240136095
Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240132987
Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240135052
Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240132989
Publication date
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C21 - METALLURGY OF IRON
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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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Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240124963
Publication date
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C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Application
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Publication number
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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 number
20240117457
Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240120581
Publication date
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C21 - METALLURGY OF IRON
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Publication number
20240117455
Publication date
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C21 - METALLURGY OF IRON
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Patent Application
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Publication number
20240117477
Publication date
Apr 11, 2024
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C21 - METALLURGY OF IRON
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Publication number
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Publication date
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B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Publication number
20240110257
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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B22 - CASTING POWDER METALLURGY
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H01 - BASIC ELECTRIC ELEMENTS
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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
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C21 - METALLURGY OF IRON