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C21D1/84
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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
C21D1/00
General methods or devices for heat treatments
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C21D1/84
Controlled slow cooling
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last 30 patents
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Patent Grant
Carbide-free bainite and retained austenite steels, producing metho...
Patent number
11,920,209
Issue date
Mar 5, 2024
Northwestern University
Kazuhiko Nishioka
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for increasing the straightness of a thin wire
Patent number
11,884,991
Issue date
Jan 30, 2024
Heraeus Materials Singapore Pte., Ltd.
Zhen Yun Liu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Preparation method of gradient high-silicon steel by molten salt el...
Patent number
11,767,605
Issue date
Sep 26, 2023
Zhe Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
Apparatus for the thermal treatment of metallic products
Patent number
11,753,692
Issue date
Sep 12, 2023
Danieli & C. Officine Meccaniche SpA
Umberto Saccoman
C21 - METALLURGY OF IRON
Information
Patent Grant
Additive manufacturing, spatial heat treating system and method
Patent number
11,701,819
Issue date
Jul 18, 2023
Seurat Technologies, Inc.
James A. DeMuth
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
7000 series aluminum alloy ladder, multipurpose ladder and method
Patent number
11,280,133
Issue date
Mar 22, 2022
Werner Co.
Clint D. Badowski
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and system for cooling hot components
Patent number
11,261,502
Issue date
Mar 1, 2022
Gestamp Hardtech AB
Mats Olsson
F28 - HEAT EXCHANGE IN GENERAL
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Patent Grant
Hot steel forging in horizontal press
Patent number
11,065,673
Issue date
Jul 20, 2021
TECNIFORJA—FORJAGEM E ESTAMPAGEM DE PEÇAS TÉCNICAS, LDA
Artur José Pereira Teixeira Mendes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Methods of modifying material properties of workpieces using high-p...
Patent number
10,907,228
Issue date
Feb 2, 2021
The Boeing Company
Ravi Verma
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods of modifying material properties of workpieces using high-p...
Patent number
10,907,226
Issue date
Feb 2, 2021
The Boeing Company
Ravi Verma
C21 - METALLURGY OF IRON
Information
Patent Grant
Methods of modifying material properties of workpieces using high-p...
Patent number
10,907,227
Issue date
Feb 2, 2021
The Boeing Company
Ravi Verma
C21 - METALLURGY OF IRON
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Patent Grant
Thick steel plate for high heat input welding and having great heat...
Patent number
10,889,874
Issue date
Jan 12, 2021
Baoshan Iron & Steel Co., Ltd.
Jian Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,889,880
Issue date
Jan 12, 2021
JFE Steel Corporation
Takeshi Imamura
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Grant
Thick steel plate for high heat input welding and having great heat...
Patent number
10,837,089
Issue date
Nov 17, 2020
Baoshan Iron & Steel Co., Ltd.
Jian Yang
C21 - METALLURGY OF IRON
Information
Patent Grant
Thick steel plate with low cracking sensitivity and low yield ratio...
Patent number
10,781,510
Issue date
Sep 22, 2020
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD
Xianjin Sun
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength air-hardening multiphase steel having excellent proce...
Patent number
10,640,855
Issue date
May 5, 2020
Salzgitter Flachstahl GmbH
Thomas Schulz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Micro-alloyed high-strength multi-phase steel containing silicon an...
Patent number
10,612,113
Issue date
Apr 7, 2020
Salzgitter Flachstahl GmbH
Thomas Schulz
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method and apparatus for supercooling of metal/alloy melts and for...
Patent number
10,563,275
Issue date
Feb 18, 2020
GLASSY METAL, LLC
John T. Preston
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel sheet and method for producing same
Patent number
10,538,824
Issue date
Jan 21, 2020
Hyundai Steel Company
Chun Ku Kang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ni-based alloy product and method for producing same, and Ni-based...
Patent number
10,487,384
Issue date
Nov 26, 2019
Mitsubishi Hitachi Power Systems, Ltd.
Shinya Imano
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel sheet having excellent heat resistance
Patent number
10,450,623
Issue date
Oct 22, 2019
Nippon Steel & Sumikin Stainless Steel Corporation
Norihiro Kanno
C21 - METALLURGY OF IRON
Information
Patent Grant
Heat-treated steel material and method of manufacturing the same
Patent number
10,435,761
Issue date
Oct 8, 2019
Nippon Steel Corporation
Shinichiro Tabata
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing ferritic stainless steel sheet
Patent number
10,358,689
Issue date
Jul 23, 2019
Nippon Steel & Sumikin Stainless Steel Corporation
Junichi Hamada
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength cold-rolled steel sheet having excellent bendability
Patent number
10,329,635
Issue date
Jun 25, 2019
Kobe Steel, Ltd.
Kosuke Shibata
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength hot-rolled steel sheet and method for producing the same
Patent number
10,301,693
Issue date
May 28, 2019
JFE Steel Corporation
Katsumi Nakajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Production method for alloy 690 ordered alloy of improved thermal c...
Patent number
10,287,664
Issue date
May 14, 2019
Korea Atomic Energy Research Institute
Young-Suk Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Magnetic phase-transformation material
Patent number
10,279,391
Issue date
May 7, 2019
Institute of Physics, Chinese Academy of Sciences
Enke Liu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
HT550 steel plate with ultrahigh toughness and excellent weldabilit...
Patent number
10,208,362
Issue date
Feb 19, 2019
Baoshan Iron & Steel Co., Ltd.
Zicheng Liu
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Steel for resistance to complex corrosion from hydrochloric acid an...
Patent number
10,196,704
Issue date
Feb 5, 2019
POSCO
Jeong-Bong Yoon
C21 - METALLURGY OF IRON
Information
Patent Grant
Manufacturing method for very high-strength, cold-rolled, dual-phas...
Patent number
10,190,187
Issue date
Jan 29, 2019
Arcelormittal
Antoine Moulin
B22 - CASTING POWDER METALLURGY
Patents Applications
last 30 patents
Information
Patent Application
STEEL PLATE, METHOD FOR PRODUCING STEEL PLATE, AND METHOD FOR PRODU...
Publication number
20240167113
Publication date
May 23, 2024
NIPPON STEEL CORPORATION
Kengo TAKEDA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240158881
Publication date
May 16, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
MICRO-MOLYBDENUM-TYPE WEATHERING BRIDGE STEEL PLATE AND PREPARATION...
Publication number
20240158880
Publication date
May 16, 2024
NANJING IRON & STEEL CO., LTD.
Yixin HUANG
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD AND ELECTRONIC DEVICE FOR DETERMINING THE TEMPERATURE OF A M...
Publication number
20240157421
Publication date
May 16, 2024
ARCELORMITTAL
Ronan JACOLOT
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC FREE-CUTTING STAINLESS STEEL MATERIAL
Publication number
20240150881
Publication date
May 9, 2024
DAIDO STEEL CO., LTD.
Chihiro FURUSHO
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
HIGH-STRENGTH STEEL SHEET AND METHOD FOR MANUFACTURING THE SAME
Publication number
20240141452
Publication date
May 2, 2024
JFE STEEL CORPORATION
Thi Huyen Doan
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRA HIGH STRENGTH STEEL SHEET HAVING HIGH YIELD RATIO AND EXCELLE...
Publication number
20240141454
Publication date
May 2, 2024
Sang-Hyun KIM
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240132987
Publication date
Apr 25, 2024
JFE STEEL CORPORATION
Katsuya Hata
C21 - METALLURGY OF IRON
Information
Patent Application
COILING TEMPERATURE INFLUENCED COLD ROLLED STRIP OR STEEL
Publication number
20240132989
Publication date
Apr 25, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
Information
Patent Application
CARBIDE-FREE BAINITE AND RETAINED AUSTENITE STEELS, PRODUCING METHO...
Publication number
20240132988
Publication date
Apr 25, 2024
Northwestern University
Kazuhiko Nishioka
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH AND HIGH-TOUGHNESS BAINITE GEOLOGICAL DRILLING PIPE A...
Publication number
20240133490
Publication date
Apr 25, 2024
Baoshan Iron & Steel Co., Ltd
Wen SUN
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET
Publication number
20240124963
Publication date
Apr 18, 2024
NIPPON STEEL CORPORATION
Satoshi HIRONAKA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
A ZINC OR ZINC-ALLOY COATED STRIP OR STEEL WITH IMPROVED ZINC ADHESION
Publication number
20240117455
Publication date
Apr 11, 2024
VOESTALPINE STAHL GMBH
Michael SCHWARZENBRUNNER
C21 - METALLURGY OF IRON
Information
Patent Application
EXTRA THICK HOT ROLLED H SECTION STEEL AND PRODUCTION METHOD THEREFOR
Publication number
20240110255
Publication date
Apr 4, 2024
MAANSHAN IRON & STEEL CO., LTD.
Meng XIA
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRESSURE VESSEL STEEL PLATE HAVING EXCELLENT HIGH TEMPERATURE PWHT...
Publication number
20240093326
Publication date
Mar 21, 2024
POSCO Co., Ltd
Soon-Taik HONG
C21 - METALLURGY OF IRON
Information
Patent Application
WELDED JOINT AND AUTOMOBILE MEMBER
Publication number
20240093708
Publication date
Mar 21, 2024
NIPPON STEEL CORPORATION
Takuya MITSUNOBU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
400 MPa CORROSION-RESISTANT STEEL BAR AND PRODUCTION METHOD THEREOF
Publication number
20240068064
Publication date
Feb 29, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Han MA
C21 - METALLURGY OF IRON
Information
Patent Application
Low-Magnetostrictive Oriented Silicon Steel and Manufacturing Metho...
Publication number
20240071661
Publication date
Feb 29, 2024
Baoshan Iron & Steel Co., Ltd
Meihong WU
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING THE SAME
Publication number
20240068065
Publication date
Feb 29, 2024
JFE STEEL CORPORATION
Taiyo Asakawa
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL MATERIAL, METHOD FOR PRODUCING SAME, AND ANTIBACTER...
Publication number
20240060151
Publication date
Feb 22, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Akinori KAWANO
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
PLATED STEEL SHEET HAVING EXCELLENT SEALER ADHESION AND METHOD FOR...
Publication number
20240052471
Publication date
Feb 15, 2024
POSCO Co., Ltd
Tae-Chul Kim
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
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
HIGHLY THICK STEEL MATERIAL HAVING EXCELLENT LOW-TEMPERATURE IMPACT...
Publication number
20240035107
Publication date
Feb 1, 2024
POSCO Co., Ltd
Dae-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
Method for Manufacturing a Low-Carbon Nitrogen-Containing Austeniti...
Publication number
20240035110
Publication date
Feb 1, 2024
DAYE SPECIAL STEEL CO., LTD.
Xiaoliang DONG
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH HOT-DIP GALVANIZED STEEL SHEET WITH HIGH DUCTILITY AN...
Publication number
20240026483
Publication date
Jan 25, 2024
POSCO CO., LTD.
Kang-Hyun CHOI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240026489
Publication date
Jan 25, 2024
POSCO Co., Ltd
Jaehoon Kim
C21 - METALLURGY OF IRON