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C21D2211/004
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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
C21D2211/00
Microstructure comprising significant phases
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Patents Grants
last 30 patents
Information
Patent Grant
Method of manufacturing clad steel sheet having excellent formabili...
Patent number
12,358,274
Issue date
Jul 15, 2025
POSCO Co., Ltd
Tae-Jin Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Steel sheet and high strength press hardened steel part having exce...
Patent number
12,312,661
Issue date
May 27, 2025
Arcelormittal
Sebastian Cobo
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled and heat treated steel sheet, method of production ther...
Patent number
12,247,273
Issue date
Mar 11, 2025
Arcelormittal
Patrick Barges
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of production of a cold rolled and heat treated steel sheet...
Patent number
12,247,274
Issue date
Mar 11, 2025
Arcelormittal
Patrick Barges
C21 - METALLURGY OF IRON
Information
Patent Grant
Composite material including aluminum-based matrix and device adopt...
Patent number
12,234,532
Issue date
Feb 25, 2025
Industry-Academic Cooperation Foundation, Yonsei University
Dong Hyun Bae
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
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
Hot-pressed member, cold-rolled steel sheet for hot pressing, and m...
Patent number
12,215,405
Issue date
Feb 4, 2025
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-yield-ratio cold-rolled dual-phase steel and manufacturing met...
Patent number
12,215,397
Issue date
Feb 4, 2025
Baoshan Iron & Steel Co., Ltd.
Wei Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing steel strip for blade, and steel strip for...
Patent number
12,195,821
Issue date
Jan 14, 2025
PROTERIAL, LTD.
Wataru Senoo
C21 - METALLURGY OF IRON
Information
Patent Grant
Cryogenic pressure vessels formed from low-carbon, high-strength 9%...
Patent number
12,146,211
Issue date
Nov 19, 2024
Arcelormittal
George Jay Fraley
C21 - METALLURGY OF IRON
Information
Patent Grant
Optimized gamma-prime strengthened austenitic trip steel and design...
Patent number
12,129,525
Issue date
Oct 29, 2024
Northwestern University
Nicholas J. Wengrenovich
G06 - COMPUTING CALCULATING COUNTING
Information
Patent Grant
High-strength hot-dip galvanized steel sheet and method for manufac...
Patent number
12,116,649
Issue date
Oct 15, 2024
JFE Steel Corporation
Hiroshi Hasegawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and member, and methods for manufacturing same
Patent number
12,110,568
Issue date
Oct 8, 2024
JFE Steel Corporation
Yoichiro Matsui
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel material and method for producing same
Patent number
12,110,566
Issue date
Oct 8, 2024
Michio Shimotomai
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled and annealed steel sheet, method of production thereof...
Patent number
11,987,857
Issue date
May 21, 2024
Arcelormittal
Irène De Diego Calderon
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet for can and manufacturing method thereof
Patent number
11,965,224
Issue date
Apr 23, 2024
Nippon Steel Corporation
Toshiki Nonaka
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
Patent number
11,959,177
Issue date
Apr 16, 2024
JFE Steel Corporation
Masayuki Kasai
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Material for hot stamping and method for manufacturing the same
Patent number
11,898,218
Issue date
Feb 13, 2024
Hyundai Steel Company
Nu Ri Shin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal gasket and production method therefor
Patent number
11,890,665
Issue date
Feb 6, 2024
PROTERIAL, LTD.
Toshihiro Uehara
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Galvannealed steel sheet
Patent number
11,884,987
Issue date
Jan 30, 2024
Arcelormittal
David Zapico Alvarez
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet having excellent expandability and method fo...
Patent number
11,851,727
Issue date
Dec 26, 2023
POSCO Co., Ltd
Hyun-Taek Na
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
High-strength steel sheet and method for manufacturing the same
Patent number
11,846,003
Issue date
Dec 19, 2023
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic steel for turbochargers
Patent number
11,821,049
Issue date
Nov 21, 2023
BorgWarner Inc.
Gerald Schall
C21 - METALLURGY OF IRON
Information
Patent Grant
Martensitic stainless steel strip and method for producing same
Patent number
11,814,697
Issue date
Nov 14, 2023
PROTERIAL, LTD.
Hiroyoshi Fujihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Precipitation hardening stainless steel and its manufacture
Patent number
11,767,569
Issue date
Sep 26, 2023
OVAKO SWEDEN AB
Jan-Erik Andersson
C21 - METALLURGY OF IRON
Information
Patent Grant
Low-density clad steel sheet having excellent formability and fatig...
Patent number
11,752,752
Issue date
Sep 12, 2023
POSCO Co., Ltd
Tae-Jin Song
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Press hardened part with high resistance to delayed fracture and a...
Patent number
11,725,255
Issue date
Aug 15, 2023
Arcelormittal
Blandine Remy
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High formability steel sheet for the manufacture of lightweight str...
Patent number
11,725,265
Issue date
Aug 15, 2023
Arcelormittal
Frédéric Bonnet
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
TWIP STEEL SHEET HAVING AN AUSTENITIC MATRIX
Publication number
20250207216
Publication date
Jun 26, 2025
ARCELORMITTAL
Colin SCOTT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ULTRAHIGH-STRENGTH STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250188563
Publication date
Jun 12, 2025
HYUNDAI STEEL COMPANY
Ho Yong Um
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL
Publication number
20250179618
Publication date
Jun 5, 2025
NIPPON STEEL CORPORATION
Mikiko NOGUCHI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS OF PRODUCING SAME
Publication number
20250179603
Publication date
Jun 5, 2025
JFE STEEL CORPORATION
Shimpei YOSHIOKA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250137105
Publication date
May 1, 2025
ARCELORMITTAL
Sebastian COBO
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
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250129459
Publication date
Apr 24, 2025
ARCELORMITTAL
Sebastian COBO
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
PRECIPITATION-HARDENING-TYPE AUSTENITIC ALLOY STEEL MATERIAL AND ME...
Publication number
20250084498
Publication date
Mar 13, 2025
Proterial, Ltd.
Masaru FUJIYOSHI
C21 - METALLURGY OF IRON
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
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
AUSTENITIC STEEL HAVING EXCELLENT ULTRA-LOW TEMPERATURE TOUGHNESS I...
Publication number
20250034671
Publication date
Jan 30, 2025
POSCO Co., Ltd
Soon-Gi LEE
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET FOR GROUND REINFORCEMENT AND STEEL PIPE FOR...
Publication number
20250027182
Publication date
Jan 23, 2025
POSCO Co., Ltd
Yun-Ik KWON
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250003037
Publication date
Jan 2, 2025
ARCELORMITTAL
Sebastian COBO
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET, HOT-DIP COATED STEEL SHEET, AND METHOD FOR...
Publication number
20240425945
Publication date
Dec 26, 2024
Nippon Steel Corporation
Kentarou HIRATA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HOT ROLLED AND STEEL SHEET AND A METHOD OF MANUFACTURING THEREOF
Publication number
20240425944
Publication date
Dec 26, 2024
ARCELORMITTAL
Laura MARTINEZ TARANILLA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL HAVING IMPROVED PROCESSING PROPERTIES FOR WORKING AT ELEVATED...
Publication number
20240352550
Publication date
Oct 24, 2024
ThyssenKrupp Steel Europe AG
Janko BANIK
C21 - METALLURGY OF IRON
Information
Patent Application
LOW-DENSITY CLAD STEEL SHEET HAVING EXCELLENT FORMABILITY AND FATIG...
Publication number
20240326399
Publication date
Oct 3, 2024
POSCO CO., LTD.
Tae-Jin SONG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
AUSTENITIC STAINLESS STEEL WITH IMPROVED CORROSION RESISTANCE AND M...
Publication number
20240309500
Publication date
Sep 19, 2024
POSCO Co., Ltd
Hyung-gu Kang
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL SHEET FOR NON ORIENTED ELECTRICAL STEEL SHEET, PRO...
Publication number
20240295014
Publication date
Sep 5, 2024
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
Steel sheet and high strength press hardened steel part and method...
Publication number
20240209485
Publication date
Jun 27, 2024
ARCELORMITTAL
Sebastian COBO
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED AND ANNEALED STEEL SHEET, METHOD OF PRODUCTION THEREOF...
Publication number
20240117457
Publication date
Apr 11, 2024
ARCELORMITTAL
Xavier GARAT
C21 - METALLURGY OF IRON
Information
Patent Application
PRODUCTION OF CARBON MATERIALS VIA METAL MELT SPINNING
Publication number
20240101426
Publication date
Mar 28, 2024
The Johns Hopkins University
Jonah D. Erlebacher
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Low density cold rolled and annealed steel sheet, method of product...
Publication number
20240052465
Publication date
Feb 15, 2024
ARCELORMITTAL
Pascal LORENZINI
C21 - METALLURGY OF IRON
Information
Patent Application
Primary Carbide Refinement In Hypereutectic High Chromium Cast Irons
Publication number
20240052462
Publication date
Feb 15, 2024
Weir Minerals Australia Ltd.
Mingxing Zhang
C21 - METALLURGY OF IRON
Information
Patent Application
Hot rolled and heat-treated steel sheet and method of manufacturing...
Publication number
20230287547
Publication date
Sep 14, 2023
ARCELORMITTAL
Astrid PERLADE
C21 - METALLURGY OF IRON
Information
Patent Application
Cold rolled, annealed and tempered steel sheet and method of manufa...
Publication number
20230287548
Publication date
Sep 14, 2023
ARCELORMITTAL
Astrid PERLADE
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR MANUFACTURING HIGH STRENGTH STEEL
Publication number
20230272499
Publication date
Aug 31, 2023
UNITED STATES STEEL CORPORATION
Matthew J. Merwin
C21 - METALLURGY OF IRON
Information
Patent Application
AUSTENITIC STAINLESS CAST STEEL AND METHOD FOR PRODUCING AUSTENITIC...
Publication number
20230272496
Publication date
Aug 31, 2023
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
Tadaaki NAKAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRO-GALVANIZED SUPER-STRENGTH DUAL-PHASE STEEL RESISTANT TO DEL...
Publication number
20230243008
Publication date
Aug 3, 2023
Baoshan Iron & Steel Co., Ltd
Wei Li
C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR