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C21D8/1277
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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
C21D8/00
Modifying the physical properties by deformation combined with, or followed by, heat treatment
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C21D8/1277
involving a particular surface treatment
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Patents Grants
last 30 patents
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
12,211,633
Issue date
Jan 28, 2025
Nippon Steel Corporation
Tesshu Murakawa
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet
Patent number
11,990,261
Issue date
May 21, 2024
JFE Steel Corporation
Yoshihisa Ichihara
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet and method for manufacturing no...
Patent number
11,970,750
Issue date
Apr 30, 2024
Nippon Steel Corporation
Nobusato Morishige
C21 - METALLURGY OF IRON
Information
Patent Grant
Non-oriented electrical steel sheet
Patent number
11,942,246
Issue date
Mar 26, 2024
Nippon Steel Corporation
Minako Fukuchi
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing magnetostrictive torque sensor shaft
Patent number
11,866,798
Issue date
Jan 9, 2024
PROTERIAL, LTD.
Teruyuki Nakamura
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-band annealing equipment, hot-band annealing method and descali...
Patent number
11,788,165
Issue date
Oct 17, 2023
JFE Steel Corporation
Goki Yamada
C21 - METALLURGY OF IRON
Information
Patent Grant
Method of producing grain-oriented electrical steel sheet and produ...
Patent number
11,767,571
Issue date
Sep 26, 2023
JFE Steel Corporation
Takeshi Omura
C21 - METALLURGY OF IRON
Information
Patent Grant
Nitriding apparatus for manufacturing a grain-oriented electrical s...
Patent number
11,761,074
Issue date
Sep 19, 2023
JFE Steel Corporation
Yukihiro Shingaki
C21 - METALLURGY OF IRON
Information
Patent Grant
Ferritic stainless steel for automotive exhaust system with improve...
Patent number
11,414,732
Issue date
Aug 16, 2022
Posco
Hyung Joon Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Coil and electrical strip or electrical sheet
Patent number
11,107,628
Issue date
Aug 31, 2021
voestalpine STAHL GmbH
Ronald Fluch
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method and device for magnetic domain refinement of oriented electr...
Patent number
11,072,838
Issue date
Jul 27, 2021
Posco
Seung Ho Lim
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for refining magnetic domains of grain-oriented electrical s...
Patent number
11,065,720
Issue date
Jul 20, 2021
Posco
Seong Cheol Hong
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for refining magnetic domains of grain-oriented electrical s...
Patent number
11,060,163
Issue date
Jul 13, 2021
Posco
Seong Cheol Hong
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Linear groove formation method and linear groove formation device
Patent number
11,045,902
Issue date
Jun 29, 2021
JFE Steel Corporation
Shigehiro Takajo
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for magnetic domain refinement of oriented electr...
Patent number
11,000,920
Issue date
May 11, 2021
Posco
Gyoo Taek Lee
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for manufacturing grain-oriented electrical steel sheet, and...
Patent number
10,900,113
Issue date
Jan 26, 2021
JFE Steel Corporation
Yukihiro Shingaki
H01 - BASIC ELECTRIC ELEMENTS
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
Grain-oriented electrical steel sheet and method for manufacturing...
Patent number
10,793,929
Issue date
Oct 6, 2020
POSCO
Oh Yeoul Kwon
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Adhesive coating composition for non-oriented electrical steel shee...
Patent number
10,711,321
Issue date
Jul 14, 2020
POSCO
Jung Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and transformer iron core usi...
Patent number
10,559,410
Issue date
Feb 11, 2020
JFE Steel Corporation
Seiji Okabe
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing t...
Patent number
10,395,806
Issue date
Aug 27, 2019
JFE Steel Corporation
Hirotaka Inoue
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and method of manufacturing g...
Patent number
10,297,375
Issue date
May 21, 2019
Nippon Steel & Sumitomo Metal Corporation
Koji Hirano
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Multi-phase magnetic component and method of forming
Patent number
10,229,776
Issue date
Mar 12, 2019
General Electric Company
Francis Johnson
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for forming a steel sheet part
Patent number
10,227,673
Issue date
Mar 12, 2019
GM Global Technology Operations LLC
Hartmut Baumgart
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method thereof
Patent number
10,208,372
Issue date
Feb 19, 2019
Nippon Steel & Sumitomo Metal Corporation
Fumiaki Takahashi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing grain-oriented electrical steel sheet
Patent number
10,192,662
Issue date
Jan 29, 2019
JFE Steel Corporation
Makoto Watanabe
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Grain-oriented magnetic steel sheet and method of producing the same
Patent number
10,131,018
Issue date
Nov 20, 2018
Nippon Steel & Sumitomo Metal Corporation
Koji Hirano
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of scale substrate manufacture
Patent number
10,072,943
Issue date
Sep 11, 2018
RLS MERILNA TEHNIKA D.O.O
Peter Kogej
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Preparation method of oriented high silicon steel
Patent number
10,032,548
Issue date
Jul 24, 2018
Northeastern University
Guodong Wang
C21 - METALLURGY OF IRON
Information
Patent Grant
Grain-oriented electrical steel sheet and manufacturing method thereof
Patent number
10,011,886
Issue date
Jul 3, 2018
JFE Steel Corporation
Shigehiro Takajo
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250115982
Publication date
Apr 10, 2025
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL PLATE WITH GOOD MAGNETIC PERFORMANCE...
Publication number
20250109466
Publication date
Apr 3, 2025
Baoshan Iron & Steel Co., Ltd
Guobao Li
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD OF PRODUCING SAME
Publication number
20250101542
Publication date
Mar 27, 2025
JFE STEEL CORPORATION
Yoshiaki ZAIZEN
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250092483
Publication date
Mar 20, 2025
HYUNDAI STEEL COMPANY
Kyeong Sik Shin
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250075284
Publication date
Mar 6, 2025
POSCO CO., LTD
Soobin Kwon
C21 - METALLURGY OF IRON
Information
Patent Application
GRAIN ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD OF SAME
Publication number
20250051871
Publication date
Feb 13, 2025
POSCO Co., Ltd
Hyun-Seok KO
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250051888
Publication date
Feb 13, 2025
POSCO CO., LTD
Jaewan Hong
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND MANUFACTURING METHOD THEREFOR
Publication number
20250037912
Publication date
Jan 30, 2025
NIPPON STEEL CORPORATION
Hiroyoshi YASHIKI
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED SILICON STEEL FOR DRIVING MOTORS OF NEW ENERGY VEHICLE...
Publication number
20240417830
Publication date
Dec 19, 2024
INSTITUTE OF RESEARCH OF IRON AND STEEL, JIANGSU PROVINCE/SHA-STEEL, CO. LTD...
Chongxiang YUE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING TH...
Publication number
20240301525
Publication date
Sep 12, 2024
JFE STEEL CORPORATION
Takaaki TANAKA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR PRODUCING THE SAME
Publication number
20240290523
Publication date
Aug 29, 2024
JFE STEEL CORPORATION
Takaaki TANAKA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20240242863
Publication date
Jul 18, 2024
POSCO Co., Ltd
Hyung Don Joo
C21 - METALLURGY OF IRON
Information
Patent Application
ELECTRICAL STEEL SHEET COMPOSED OF (001) TEXTURE, AND MANUFACTURING...
Publication number
20240212900
Publication date
Jun 27, 2024
THERMVAC INC.
Nam Hoe HEO
C21 - METALLURGY OF IRON
Information
Patent Application
ROTATING ELECTRICAL MACHINE, STATOR CORE AND ROTOR CORE SET, METHOD...
Publication number
20240154472
Publication date
May 9, 2024
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, AND METHOD FOR MANUFACTURING SAME
Publication number
20240102122
Publication date
Mar 28, 2024
LG ELECTRONICS INC.
Yunsung KIM
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047105
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Tesshu MURAKAWA
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240047106
Publication date
Feb 8, 2024
NIPPON STEEL CORPORATION
Minako FUKUCHI
H01 - BASIC ELECTRIC ELEMENTS
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
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING NO...
Publication number
20230392225
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Nobusato MORISHIGE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING SAME, AND...
Publication number
20230392227
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, METHOD FOR PRODUCING SAME, AND...
Publication number
20230366058
Publication date
Nov 16, 2023
NIPPON STEEL CORPORATION
Yoshihiro ARITA
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR FORMING GROOVES ON METAL STRIP SURFACE AND METHOD FOR MA...
Publication number
20230357875
Publication date
Nov 9, 2023
JFE STEEL CORPORATION
Shigehiro TAKAJO
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PROCESSING A STEEL SHEET
Publication number
20230304120
Publication date
Sep 28, 2023
NanoNeal Technologies GmbH
Christian Dorfbauer
C21 - METALLURGY OF IRON
Information
Patent Application
LINEAR GROOVE FORMATION METHOD AND METHOD OF PRODUCING GRAIN-ORIENT...
Publication number
20230212703
Publication date
Jul 6, 2023
JFE STEEL CORPORATION
Ryuichi SUEHIRO
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHEET METAL FOR PRODUCING AN ELECTROMAGNETIC COMPONENT, IN PARTICUL...
Publication number
20220220593
Publication date
Jul 14, 2022
ThyssenKrupp Steel Europe AG
Tobias LEWE
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-BAND ANNEALING EQUIPMENT, HOT-BAND ANNEALING METHOD AND DESCALI...
Publication number
20220033928
Publication date
Feb 3, 2022
JFE STEEL CORPORATION
Goki Yamada
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR HOT STAMPING, HOT STAMPING PROCESS AND HOT STAMPED COMPONENT
Publication number
20210214818
Publication date
Jul 15, 2021
IRONOVATION MATERIALS TECHNOLOGY CO., LTD.
Hongliang YI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
NITRIDING APPARATUS FOR MANUFACTURING A GRAIN-ORIENTED ELECTRICAL S...
Publication number
20210115549
Publication date
Apr 22, 2021
JFE STEEL CORPORATION
Yukihiro SHINGAKI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
FERRITIC STAINLESS STEEL FOR AUTOMOTIVE EXHAUST SYSTEM WITH IMPROVE...
Publication number
20200080174
Publication date
Mar 12, 2020
POSCO
Hyung Joon KIM
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Application
METHOD AND DEVICE FOR MAGNETIC DOMAIN REFINEMENT OF ORIENTED ELECTR...
Publication number
20190070693
Publication date
Mar 7, 2019
POSCO
Gyoo Taek LEE
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR