Membership
Tour
Register
Log in
of ferrous alloys
Follow
Industry
CPC
C21D8/065
This industry / category may be too specific. Please go to a parent level for more data
Parent Industries
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
Current Industry
C21D8/065
of ferrous alloys
Industries
Overview
Organizations
People
Information
Impact
Patents Grants
last 30 patents
Information
Patent Grant
Steel wire
Patent number
11,952,650
Issue date
Apr 9, 2024
Nippon Steel Corporation
Shinya Teramoto
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
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
Boron steel high-pressure cartridge case
Patent number
11,826,818
Issue date
Nov 28, 2023
Luvata Ohio, Inc.
Brian Swank
F42 - AMMUNITION BLASTING
Information
Patent Grant
Steel wire, a method for manufacturing the same, and method for man...
Patent number
11,767,585
Issue date
Sep 26, 2023
SUZUKI-SUMIDEN STAINLESS STEEL WIRE CO., LTD.
Johan Norstrom
C21 - METALLURGY OF IRON
Information
Patent Grant
Wire rod and steel wire for springs having excellent corrosion fati...
Patent number
11,761,054
Issue date
Sep 19, 2023
POSCO Co., Ltd
Kwan-Ho Kim
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
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
Method for manufacturing high-carbon bearing steel and high-carbon...
Patent number
11,578,383
Issue date
Feb 14, 2023
Hyundai Motor Company
Jae-Yoon Hwang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Carbon steel for a rack bar and a method for manufacturing the same
Patent number
11,535,294
Issue date
Dec 27, 2022
Hyundai Motor Company
Hyung Gook Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Wire rod with excellent strength and ductility and manufacturing me...
Patent number
11,512,365
Issue date
Nov 29, 2022
Posco
Hyong-Jik Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Systems and methods for tailoring coefficients of thermal expansion...
Patent number
11,492,675
Issue date
Nov 8, 2022
James Alan Monroe
C21 - METALLURGY OF IRON
Information
Patent Grant
Systems and methods for tailoring coefficients of thermal expansion...
Patent number
11,486,016
Issue date
Nov 1, 2022
James Alan Monroe
C21 - METALLURGY OF IRON
Information
Patent Grant
Carburizing bearing steel and preparation method thereof
Patent number
11,473,162
Issue date
Oct 18, 2022
Central Iron & Steel Research Institute
Wenquan Cao
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
High-strength reinforcing steel and method for manufacturing same
Patent number
11,447,842
Issue date
Sep 20, 2022
Hyundai Steel Company
Jun Ho Chung
C21 - METALLURGY OF IRON
Information
Patent Grant
Wire rod for cold heading, processed product using same, and manufa...
Patent number
11,441,202
Issue date
Sep 13, 2022
Posco
Jae Seung Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
NPR steel material for rock bolt and production method thereof
Patent number
11,427,899
Issue date
Aug 30, 2022
XIA, MIN
Manchao He
C21 - METALLURGY OF IRON
Information
Patent Grant
Cold rolled steel wire, method and reinforcement of flexible conduits
Patent number
11,408,049
Issue date
Aug 9, 2022
ArcelorMittal Wire France
Sylvain Foissey
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Spring and manufacture method thereof
Patent number
11,378,147
Issue date
Jul 5, 2022
NHK Spring Co., Ltd.
Takeshi Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Case hardening steel, method of producing the same, and method of p...
Patent number
11,332,799
Issue date
May 17, 2022
JFE Steel Corporation
Keisuke Ando
C21 - METALLURGY OF IRON
Information
Patent Grant
High-strength and corrosion-resistant sucker rod and preparation pr...
Patent number
11,319,608
Issue date
May 3, 2022
ZHEJIANG RUIZHI STEEL CO., LTD.
Yongan Li
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel for crankshaft and method of manufacturing crankshaft using t...
Patent number
11,319,609
Issue date
May 3, 2022
Hyundai Motor Company
Sung Hwan Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Duplex stainless steel
Patent number
11,306,378
Issue date
Apr 19, 2022
Sandvik Intellectual Property AB
Tomas Antonsson
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing high-carbon bearing steel and high-carbon...
Patent number
11,198,920
Issue date
Dec 14, 2021
Hyundai Motor Company
Jae-Yoon Hwang
C21 - METALLURGY OF IRON
Information
Patent Grant
Case hardening steel, method of producing case hardening steel, and...
Patent number
11,174,543
Issue date
Nov 16, 2021
JFE Steel Corporation
Keisuke Ando
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Wire rod having excellent low temperature impact toughness and manu...
Patent number
11,136,637
Issue date
Oct 5, 2021
Posco
Hyong-Jik Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Rolled wire rod for spring steel
Patent number
11,118,251
Issue date
Sep 14, 2021
Nippon Steel Corporation
Takahisa Suzuki
C21 - METALLURGY OF IRON
Information
Patent Grant
Stabilizer
Patent number
11,111,554
Issue date
Sep 7, 2021
NHK Spring Co., Ltd.
Shinichiro Kuwatsuka
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Non-heat treated steel bar
Patent number
11,111,569
Issue date
Sep 7, 2021
Nippon Steel Corporation
Yusuke Miyakoshi
C21 - METALLURGY OF IRON
Information
Patent Grant
Rolled wire rod
Patent number
11,098,394
Issue date
Aug 24, 2021
Nippon Steel Corporation
Naoki Matsui
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
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 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
WIRE ROD AND PART WITH IMPROVED DELAYED FRACTURE RESISTANCE, AND ME...
Publication number
20240060162
Publication date
Feb 22, 2024
POSCO Co., Ltd
Youngsoo CHUN
C21 - METALLURGY OF IRON
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
WIRE ROD AND PART, HAVING IMPROVED DELAYED FRACTURE RESISTANCE, FOR...
Publication number
20240052454
Publication date
Feb 15, 2024
POSCO Co., Ltd
Youngsoo CHUN
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
BORON STEEL HIGH-PRESSURE CARTRIDGE CASE
Publication number
20240042512
Publication date
Feb 8, 2024
Luvata Ohio Inc.
Brian Swank
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Fe-Co-BASED ALLOY BAR
Publication number
20240026503
Publication date
Jan 25, 2024
Proterial, Ltd.
Daiki Kato
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
Austenitic Stainless Steel
Publication number
20230416889
Publication date
Dec 28, 2023
Outokumpu Oyj
Rui Wu
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD AND STEEL WIRE FOR SPRINGS HAVING EXCELLENT CORROSION FATI...
Publication number
20230407433
Publication date
Dec 21, 2023
POSCO CO., LTD.
Kwan-Ho Kim
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC STAINLESS STEEL WELDING WIRE AND WELDED PART
Publication number
20230398644
Publication date
Dec 14, 2023
DAIDO STEEL CO., LTD.
Masato UCHI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
STEEL WIRE
Publication number
20230392244
Publication date
Dec 7, 2023
NIPPON STEEL CORPORATION
Shinya TERAMOTO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH AND HIGH-FATIGUE-LIFE STEEL FOR CABLE, AND WIRE ROD A...
Publication number
20230295784
Publication date
Sep 21, 2023
Baoshan Iron & Steel Co., Ltd
Zan YAO
C21 - METALLURGY OF IRON
Information
Patent Application
DAMPER SPRING
Publication number
20230296152
Publication date
Sep 21, 2023
NIPPON STEEL CORPORATION
Shinya TERAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
A PROCESS FOR MANUFACTURING COMPACT COILS OF ULTRA-FINE GRAINED, MA...
Publication number
20230257848
Publication date
Aug 17, 2023
Danieli & C. Officine Meccaniche Spa
Gianpietro Benedetti
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR SMELTING STEEL FOR ULTRAFINE CARBORUNDUM WIRE
Publication number
20230175093
Publication date
Jun 8, 2023
Baoshan Iron & Steel Co., Ltd
Yingtie XU
C21 - METALLURGY OF IRON
Information
Patent Application
800 MPA GRADE STEEL BAR AND PRODUCTION METHOD THEREOF
Publication number
20230151449
Publication date
May 18, 2023
The University of Hong Kong
Mingxin Huang
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE
Publication number
20230085279
Publication date
Mar 16, 2023
NIPPON STEEL CORPORATION
Shinya TERAMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE ROD HAVING EXCELLENT SPHEROIDIZING HEAT TREATMENT PROPER...
Publication number
20230040633
Publication date
Feb 9, 2023
POSCO
Sang-Yoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD FOR HIGH-STRENGTH STEEL FIBER, HIGH-STRENGTH STEEL FIBER,...
Publication number
20230031552
Publication date
Feb 2, 2023
POSCO
Yo-sep YANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HIGH-STRENGTH WIRE ROD HAVING HIGH HYDROGEN EMBRITTLEMENT RESISTANC...
Publication number
20230029137
Publication date
Jan 26, 2023
POSCO
Byung-In JUNG
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE ROD HAVING EXCELLENT SPHEROIDIZING HEAT TREATMENT PROPER...
Publication number
20230027056
Publication date
Jan 26, 2023
POSCO
Sang-Yoon LEE
C21 - METALLURGY OF IRON
Information
Patent Application
NON-HEAT TREATED WIRE ROD HAVING EXCELLENT DRAWABILITY AND IMPACT T...
Publication number
20230020381
Publication date
Jan 19, 2023
POSCO
Dong-Jun Mun
C21 - METALLURGY OF IRON
Information
Patent Application
BEARING WIRE ROD AND MANUFACTURING METHOD THEREFOR
Publication number
20230020054
Publication date
Jan 19, 2023
POSCO
Jae Seung LEE
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD AND COMPONENT, FOR COLD FORGING, EACH HAVING EXCELLENT DEL...
Publication number
20230020467
Publication date
Jan 19, 2023
POSCO
Byung-in JUNG
C21 - METALLURGY OF IRON
Information
Patent Application
APPARATUS, COMPOSITIONS, AND METHODS FOR STAINLESS-COATED STEEL REI...
Publication number
20230012077
Publication date
Jan 12, 2023
Samuel McAlpine
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH STRENGTH WIRE ROD HAVING NON-MAGNETIC PROPERTY AND METHOD FOR...
Publication number
20220389530
Publication date
Dec 8, 2022
POSCO
Bong-Keun Lee
C21 - METALLURGY OF IRON