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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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General methods or devices for heat treatments
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C21D1/26
Methods of annealing
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last 30 patents
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Patent Grant
Method for manufacturing grain-oriented electrical steel sheet
Patent number
12,173,378
Issue date
Dec 24, 2024
Nippon Steel Corporation
Satoshi Arai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Soft magnetic alloy and magnetic device
Patent number
12,165,794
Issue date
Dec 10, 2024
TDK Corporation
Kazuhiro Yoshidome
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method of manufacturing Martensitic steel and a Martensitic steel t...
Patent number
12,157,925
Issue date
Dec 3, 2024
Arcelormittal
Hassan Ghassemi-Armaki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Austenitic stainless steel having excellent electrical conductivity...
Patent number
12,049,688
Issue date
Jul 30, 2024
POSCO Co., Ltd
Kwang-Min Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Continuous hot-dip galvanizing apparatus
Patent number
12,031,192
Issue date
Jul 9, 2024
JFE STEEL CORPORATION
Gentaro Takeda
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot dip galvanized steel sheet and method for producing same
Patent number
12,006,562
Issue date
Jun 11, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Superalloy seamless tube and preparation method thereof
Patent number
12,000,032
Issue date
Jun 4, 2024
Jiangsu University
Rui Luo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
High strength annealed steel products and annealing processes for m...
Patent number
11,993,823
Issue date
May 28, 2024
United States Steel Corporation
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Hot-work die steel with high toughness at low temperatures and high...
Patent number
11,959,158
Issue date
Apr 16, 2024
University of Science and Technology Beijing
Jinfeng Huang
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 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
Galvannealed steel sheet
Patent number
11,884,987
Issue date
Jan 30, 2024
Arcelormittal
David Zapico Alvarez
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
Method for producing a stainless steel sheet with modified visual c...
Patent number
11,834,726
Issue date
Dec 5, 2023
OUTOKUMPU OYJ
Jörn Teipel
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing high-strength steel sheet having excellent...
Patent number
11,827,950
Issue date
Nov 28, 2023
POSCO Co., Ltd
Yeon-Sang Ahn
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
System for conditioning material using a laser and method thereof
Patent number
11,821,053
Issue date
Nov 21, 2023
Magna International Inc.
John Richard Potocki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Steel sheet for hot press formed member having excellent coating ad...
Patent number
11,820,103
Issue date
Nov 21, 2023
POSCO Co., Ltd
Seong-Woo Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hot-dip plated steel
Patent number
11,814,732
Issue date
Nov 14, 2023
Nippon Steel Corporation
Takuya Mitsunobu
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High strength thermally stable nickel-base alloys
Patent number
11,814,704
Issue date
Nov 14, 2023
Huntington Alloys Corporation
Brian A. Baker
C21 - METALLURGY OF IRON
Information
Patent Grant
Hot-dip galvanized steel sheet having excellent surface appearance...
Patent number
11,801,665
Issue date
Oct 31, 2023
POSCO Co., Ltd
Hyeon-Seok Hwang
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing steel composite materials
Patent number
11,801,663
Issue date
Oct 31, 2023
voestalpine STAHL GmbH
Christoph Etzlstorfer
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Aluminum-based coating for flat steel products for press mold harde...
Patent number
11,795,535
Issue date
Oct 24, 2023
Salzgitter Flachstahl GmbH
Marc Debeaux
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing three-dimensional molded object
Patent number
11,724,312
Issue date
Aug 15, 2023
Sodick Co., Ltd.
Itaru Matsumoto
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for producing hot-dip galvanized steel sheet and continuous...
Patent number
11,718,889
Issue date
Aug 8, 2023
JFE Steel Corporation
Gentaro Takeda
C21 - METALLURGY OF IRON
Information
Patent Grant
Method and system for the open-loop and/or closed-loop control of a...
Patent number
11,701,696
Issue date
Jul 18, 2023
SMS GROUP GMBH
Thomas Heimann
B22 - CASTING POWDER METALLURGY
Information
Patent Grant
Method for manufacturing a biocompatible wire
Patent number
11,697,869
Issue date
Jul 11, 2023
Heraeus Deutschland GmbH & Co. KG
Heiko Specht
C21 - METALLURGY OF IRON
Information
Patent Grant
Roll-bonded laminate and method for producing the same
Patent number
11,691,386
Issue date
Jul 4, 2023
Toyo Kohan Co., Ltd.
Kota Sadaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Hot-dip coated steel substrate
Patent number
11,674,209
Issue date
Jun 13, 2023
Arcelormittal
Michel Bordignon
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Steel sheet annealing method and steel sheet annealing furnace
Patent number
11,655,520
Issue date
May 23, 2023
JFE Steel Corporation
Ken Sakai
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND...
Publication number
20240425959
Publication date
Dec 26, 2024
JFE STEEL CORPORATION
Hidekazu MINAMI
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
AUSTENITE ALLOY, BLANK AND COMPONENT, AND METHOD
Publication number
20240410040
Publication date
Dec 12, 2024
Siemens Energy Global GmbH & Co. KG
Torsten Neddemeyer
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL SHEET, AND METHOD FOR PRODUCING FERRITIC S...
Publication number
20240376579
Publication date
Nov 14, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Satoshi SAMPEI
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD OF MANUFACTURING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240368717
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL FOR HIGH-TEMPERATURE CARBURIZED GEAR SHAFT AND MANUFACTURING...
Publication number
20240360538
Publication date
Oct 31, 2024
Baoshan Iron & Steel Co., Ltd
Sixin Zhao
C21 - METALLURGY OF IRON
Information
Patent Application
ALLOY, RAW WORKPIECE, COMPONENT CONSISTING OF AUSTENITE, AND METHOD...
Publication number
20240327941
Publication date
Oct 3, 2024
Siemens Energy Global GmbH & Co. KG
Torsten Neddemeyer
C21 - METALLURGY OF IRON
Information
Patent Application
COMPONENT FOR A ROLLING BEARING AND CORRESPONDING METHOD FOR PRODUC...
Publication number
20240318690
Publication date
Sep 26, 2024
Aktiebolaget SKF
Mohamed SHERIF
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
ELECTROFORMING METHOD AND SYSTEM
Publication number
20240309534
Publication date
Sep 19, 2024
UNISON INDUSTRIES, LLC
Ramkumar Oruganti
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND PRODUCTION METHOD THEREOF
Publication number
20240295015
Publication date
Sep 5, 2024
JFE STEEL CORPORATION
Tomoyuki Okubo
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING AN OXIDATION PROTECTION COATING AT LEAST IN RE...
Publication number
20240287634
Publication date
Aug 29, 2024
MTU Aero Engines AG
Nils Weidlich
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH STEEL PRODUCTS AND ANNEALING PROCESSES FOR MAKING THE...
Publication number
20240263265
Publication date
Aug 8, 2024
UNITED STATES STEEL CORPORATION
David Paul Hoydick
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
METHOD OF DETERMINING FINAL ANNEALING CONDITIONS FOR GRAIN-ORIENTED...
Publication number
20240247333
Publication date
Jul 25, 2024
JFE STEEL CORPORATION
Makoto WATANABE
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR PRODUCING GRAIN-ORIENTED ELECTRICAL STEEL SHEET
Publication number
20240240293
Publication date
Jul 18, 2024
JFE STEEL CORPORATION
Takeshi IMAMURA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT PAINTING A...
Publication number
20240198633
Publication date
Jun 20, 2024
POSCO CO., LTD.
Jin-Keun OH
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CONTINUOUS ULTA-RAPID ANNEALING OF NANOCRYSTALLINE SOFT MAGNETIC MA...
Publication number
20240186040
Publication date
Jun 6, 2024
KITE MAGNETICS
Richard PARSONS
C21 - METALLURGY OF IRON
Information
Patent Application
GALVANNEALED STEEL SHEET
Publication number
20240110257
Publication date
Apr 4, 2024
ARCELORMITTAL
David ZAPICO ALVAREZ
C21 - METALLURGY OF IRON
Information
Patent Application
CONTINUOUS ANNEALER FOR WIRE
Publication number
20240093327
Publication date
Mar 21, 2024
MASCHINENFABRIK NIEHOFF GMBH & CO. KG
Stefan NIXDORF
C21 - METALLURGY OF IRON
Information
Patent Application
LIGHT IRRADIATION TYPE HEAT TREATMENT METHOD AND HEAT TREATMENT APP...
Publication number
20240084411
Publication date
Mar 14, 2024
SCREEN Holdings Co., Ltd.
Tomohiro UENO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET FOR HOT PRESS FORMED MEMBER HAVING EXCELLENT RESISTANCE...
Publication number
20240051265
Publication date
Feb 15, 2024
POSCO CO., LTD
Seong-Woo KIM
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DEVICE AND METHOD FOR CONTINUOUSLY APPLYING TRANSVERSE TENSION IN A...
Publication number
20240052446
Publication date
Feb 15, 2024
Taiyuan University of Technology
Zhongkai REN
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
AUSTENITIC STAINLESS STEEL FOR POLYMER FUEL CELL SEPARATOR WITH IMP...
Publication number
20230420698
Publication date
Dec 28, 2023
POSCO Co., Ltd
Youngjun Kim
C21 - METALLURGY OF IRON
Information
Patent Application
METHOD FOR MANUFACTURING A BIOCOMPATIBLE WIRE
Publication number
20230340654
Publication date
Oct 26, 2023
Heraeus Deutschland GmbH & Co. KG
Heiko Specht
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CONTINUOUS HOT-DIP GALVANIZING APPARATUS
Publication number
20230323501
Publication date
Oct 12, 2023
JFE STEEL CORPORATION
Gentaro TAKEDA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
SUPER CQHT HIGH TEMPERATURE ALLOY-RESISTANT ALUMINIZED STEEL WITH M...
Publication number
20230323522
Publication date
Oct 12, 2023
Cleveland-Cliffs Steel Properties Inc.
James F. EVANS
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Application
Hot-dip coated steel substrate
Publication number
20230272516
Publication date
Aug 31, 2023
ARCELORMITTAL
Michel BORDIGNON
C21 - METALLURGY OF IRON
Information
Patent Application
CONTINUOUS ANNEALING LINE, CONTINUOUS HOT-DIP GALVANIZING LINE, AND...
Publication number
20230265539
Publication date
Aug 24, 2023
JFE STEEL CORPORATION
Hidekazu MINAMI
C21 - METALLURGY OF IRON
Information
Patent Application
ANNEALING METHOD OF STEEL
Publication number
20230257862
Publication date
Aug 17, 2023
ARCELORMITTAL
Ranbir Singh JAMWAL
C21 - METALLURGY OF IRON
Information
Patent Application
A WEAR-RESISTANT STEEL WITH EXCELLENT SURFACE QUALITY AND A PRODUCT...
Publication number
20230203630
Publication date
Jun 29, 2023
JIANGYIN XINGCHENG SPECIAL STEEL WORKS CO., LTD
Jun LIU
C21 - METALLURGY OF IRON
Information
Patent Application
STAINLESS STEEL SEAMLESS PIPE AND METHOD FOR MANUFACTURING SAME
Publication number
20230090789
Publication date
Mar 23, 2023
JFE STEEL CORPORATION
Shunsuke Sasaki
C21 - METALLURGY OF IRON