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C21D2211/009
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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
C21D2211/00
Microstructure comprising significant phases
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C21D2211/009
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Patents Grants
last 30 patents
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Patent Grant
Steel sheet
Patent number
11,970,752
Issue date
Apr 30, 2024
Nippon Steel Corporation
Kengo Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-rolled steel sheet
Patent number
11,970,758
Issue date
Apr 30, 2024
Nippon Steel Corporation
Hiroshi Shuto
C21 - METALLURGY OF IRON
Information
Patent Grant
Spheroidal graphite cast iron and method of producing spheroidal gr...
Patent number
11,946,109
Issue date
Apr 2, 2024
KABUSHIKI KAISHA RIKEN
Tomoyuki Tobita
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling amount of silicon added to ductile cast iron...
Patent number
11,946,120
Issue date
Apr 2, 2024
TIANRUN INDUSTRY TECHNOLOGY CO., LTD.
Jianchen Cong
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing hot-rolled steel sheet, method for producing c...
Patent number
11,939,640
Issue date
Mar 26, 2024
JFE Steel Corporation
Katsutoshi Takashima
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-high-strength hot-rolled steel sheet, steel pipe, member, and...
Patent number
11,939,639
Issue date
Mar 26, 2024
POSCO Co., Ltd
Hwan-Goo Seong
C21 - METALLURGY OF IRON
Information
Patent Grant
Wire rod for cold heading, processed product using same, and manufa...
Patent number
11,905,571
Issue date
Feb 20, 2024
POSCO Co., Ltd
Byung-In Jung
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
11,905,570
Issue date
Feb 20, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing steel plate member
Patent number
11,898,217
Issue date
Feb 13, 2024
Toyota Jidosha Kabushiki Kaisha
Shoji Kawano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Spring steel wire
Patent number
11,892,048
Issue date
Feb 6, 2024
Sumitomo Electric Industries, Ltd.
Hiromu Izumida
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength multiphase tinned steel raw plate and manufacturing m...
Patent number
11,891,674
Issue date
Feb 6, 2024
Baoshan Iron & Steel Co., Ltd.
Fuliang Lian
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for optimizing microstructure of rail welded joint
Patent number
11,866,801
Issue date
Jan 9, 2024
PANGANG GROUP PANZHIHUA IRON & STEEL RESEARCH INSTITUTE CO., LTD.
Xin Lu
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc-plated steel sheet and manufacturing method thereof
Patent number
11,859,259
Issue date
Jan 2, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength double-sided stainless steel clad sheet and manufactu...
Patent number
11,833,777
Issue date
Dec 5, 2023
Baoshan Iron & Steel Co., Ltd.
Zhiyu Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
11,814,708
Issue date
Nov 14, 2023
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel sheet
Patent number
11,732,322
Issue date
Aug 22, 2023
Algoma Steel Inc.
Shuhe Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Plated steel sheet for hot press forming having excellent impact pr...
Patent number
11,732,323
Issue date
Aug 22, 2023
Posco
Seong-Woo Kim
B32 - LAYERED PRODUCTS
Information
Patent Grant
Pressure vessel steel sheet having excellent PWHT resistance, and m...
Patent number
11,692,251
Issue date
Jul 4, 2023
POSCO Co., Ltd
Soon-Taik Hong
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of dynamical adjustment for manufacturing a thermally treate...
Patent number
11,692,237
Issue date
Jul 4, 2023
Arcelormittal
Frédéric Bonnet
C21 - METALLURGY OF IRON
Information
Patent Grant
Zinc-plated steel sheet and manufacturing method thereof
Patent number
11,685,963
Issue date
Jun 27, 2023
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
High strength steel sheet having excellent high-temperature elongat...
Patent number
11,680,305
Issue date
Jun 20, 2023
POSCO Co., Ltd
Je-Woong Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and manufacturing method therefor
Patent number
11,680,303
Issue date
Jun 20, 2023
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel reinforcing bar and production method therefor
Patent number
11,674,196
Issue date
Jun 13, 2023
Hyundai Steel Company
Jun Ho Chung
C21 - METALLURGY OF IRON
Information
Patent Grant
Canted coil spring and connector
Patent number
11,674,193
Issue date
Jun 13, 2023
Sumitomo Electric Industries, Ltd.
Takumi Akada
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot stamped component, precoated steel sheet used for hot stamping...
Patent number
11,667,988
Issue date
Jun 6, 2023
Ironovation Materials Technology Co., Ltd.
Hongliang Yi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Thick steel plate having excellent cryogenic impact toughness and m...
Patent number
11,649,515
Issue date
May 16, 2023
POSCO Co., Ltd
Mo-Chang Kang
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength reinforcing steel and method for manufacturing same
Patent number
11,643,697
Issue date
May 9, 2023
Hyundai Steel Company
Jun Ho Chung
C21 - METALLURGY OF IRON
Information
Patent Grant
High-ductility high-strength steel sheet and method for producing t...
Patent number
11,603,574
Issue date
Mar 14, 2023
JFE Steel Corporation
Takuya Hirashima
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength, hot-rolled flat steel product with high edge crackin...
Patent number
11,584,971
Issue date
Feb 21, 2023
Salzgitter Flachstahl GmbH
Ingwer Denks
C21 - METALLURGY OF IRON
Information
Patent Grant
Gray cast iron alloy, and internal combustion engine head
Patent number
11,578,390
Issue date
Feb 14, 2023
Tupy S.A.
Wilson Luiz Guesser
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
STEEL SHEET AND METHOD OF PRODUCTION OF SAME
Publication number
20240150863
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Katsuya NAKANO
C21 - METALLURGY OF IRON
Information
Patent Application
COLD-WORKABLE MECHANICAL STRUCTURAL STEEL, AND METHOD FOR MANUFACTU...
Publication number
20240150861
Publication date
May 9, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Koji YAMASHITA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND WELDED JOINT
Publication number
20240141467
Publication date
May 2, 2024
NIPPON STEEL CORPORATION
Yuya SUZUKI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
HOT-STRETCH-REDUCED ELECTRIC RESISTANCE WELDED PIPE
Publication number
20240141451
Publication date
May 2, 2024
Nippon Steel Corporation
Kenzo TASHIMA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED FLAT STEEL PRODUCT HAVING HIGH LOCAL COLD...
Publication number
20240141450
Publication date
May 2, 2024
SALZGITTER FLACHSTAHL GMBH
Ingwer Denks
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE WITH IMPROVED DRAWABILITY, AND MANUFACTURING METHOD THER...
Publication number
20240117459
Publication date
Apr 11, 2024
POSCO Co., Ltd
Choongyeol LEE
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE STRAI...
Publication number
20240110267
Publication date
Apr 4, 2024
POSCO CO., LTD.
Kyung-Keun Um
C21 - METALLURGY OF IRON
Information
Patent Application
QT HEAT TREATED HIGH CARBON HOT ROLLED STEEL SHEET, HIGH CARBON COL...
Publication number
20240076766
Publication date
Mar 7, 2024
POSCO Co., Ltd
Sun-Mi KIM
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING A ROLLING BEARING COMPONENT
Publication number
20240060531
Publication date
Feb 22, 2024
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Werner Trojahn
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH WIRE ROD FOR COLD HEADING WITH SUPERIOR HEAT TREATMEN...
Publication number
20240052467
Publication date
Feb 15, 2024
POSCO Co., Ltd
Byung-in JUNG
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED FATIGUE RE...
Publication number
20240052453
Publication date
Feb 15, 2024
POSCO Co., Ltd
Junmo LEE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Non-quenched and Tempered Round Steel with High Strength, High Toug...
Publication number
20240052470
Publication date
Feb 15, 2024
Baoshan Iron & Steel Co., Ltd
Jiaqiang GAO
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD FOR CONCRETE REINFORCING STEEL FIBER, STEEL FIBER, AND MAN...
Publication number
20240043949
Publication date
Feb 8, 2024
POSCO Co., Ltd
Yo-sep YANG
C21 - METALLURGY OF IRON
Information
Patent Application
PLATED STEEL SHEET HAVING EXCELLENT STRENGTH, FORMABILITY AND SURFA...
Publication number
20240043952
Publication date
Feb 8, 2024
POSCO CO., LTD.
Yong-Hoon CHOI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
FORMING METHOD, HEAT TREATMENT SYSTEM, AND FORMED PRODUCT
Publication number
20240043957
Publication date
Feb 8, 2024
G-TEKT CORPORATION
Shun TAKAOKA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH THIN STEEL MATERIAL FOR API HAVING EXCELLENT RESISTAN...
Publication number
20240035106
Publication date
Feb 1, 2024
POSCO Co., Ltd
Jin-You KIM
C21 - METALLURGY OF IRON
Information
Patent Application
LIGHTWEIGHT BRAKE DISC WITH MAXIMIZED HEAT DISSIPATION PERFORMANCE...
Publication number
20240035531
Publication date
Feb 1, 2024
Pukyong National University Industry-University Cooperation Foundation
Jei Pil WANG
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRIC RESISTANCE WELDED STEEL PIPE AND METHOD FOR MANUFACTURING...
Publication number
20240026999
Publication date
Jan 25, 2024
JFE STEEL CORPORATION
Akihide Matsumoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
EXTREMELY THICK STEEL PLATE FOR STEAM DRUM HAVING EXCELLENT SURFACE...
Publication number
20240026478
Publication date
Jan 25, 2024
POSCO Co., Ltd
Dae-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET FOR HYPER TRAIN TUBE, AND MANUFACTURING METH...
Publication number
20240018618
Publication date
Jan 18, 2024
POSCO Co., Ltd
Hong-Seok Yang
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET FOR HYPER TUBE AND MANUFACTURING METHOD THER...
Publication number
20240018619
Publication date
Jan 18, 2024
POSCO Co., Ltd
Hong-Seok Yang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
LOW-TEMPERATURE-RESISTANT AND CORROSION-RESISTANT CARGO OIL TANK ST...
Publication number
20240018616
Publication date
Jan 18, 2024
ANGANG STEEL COMPANY LIMITED
Ling YAN
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240011114
Publication date
Jan 11, 2024
NIPPON STEEL CORPORATION
Eriko TSUKAMOTO
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
HIGH STRENGTH STEEL SHEET HAVING EXCELLENT WORKABILITY AND METHOD F...
Publication number
20240011118
Publication date
Jan 11, 2024
Jae-Hoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT STAMPING, METHOD FOR MANUFACTURING THE SAME, HO...
Publication number
20240011113
Publication date
Jan 11, 2024
NIPPON STEEL CORPORATION
Masafumi AZUMA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR RAILS AND A METHOD OF MANUFACTURING OF A RAIL THEREOF
Publication number
20240002966
Publication date
Jan 4, 2024
ARCELORMITTAL
Diego CARRASCAL
C21 - METALLURGY OF IRON
Information
Patent Application
TIRE CORD STEEL WITH HIGH STRENGTH AND LOW WIRE BREAKAGE RATE, AND...
Publication number
20230416882
Publication date
Dec 28, 2023
WUHAN IRON AND STEEL CORP.
Fan ZHANG
B60 - VEHICLES IN GENERAL
Information
Patent Application
HIGH YIELD RATIO AND HIGH STRENGTH STEEL SHEET HAVING EXCELLENT THE...
Publication number
20230416860
Publication date
Dec 28, 2023
POSCO CO., LTD.
Sung-Il KIM
C21 - METALLURGY OF IRON
Information
Patent Application
HOT ROLLED STEEL HAVING LOW COMPRESSIVE STRENGTH LOSS AFTER BEING P...
Publication number
20230416861
Publication date
Dec 28, 2023
POSCO Co., Ltd
Jun-Hak Pak
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-ROLLED STEEL SHEET, HOT-ROLLED PLATED STEEL SHEET...
Publication number
20230416855
Publication date
Dec 28, 2023
POSCO Co., Ltd
Kyong-Su Park
C21 - METALLURGY OF IRON