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C21D9/525
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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
C21D9/00
Heat treatment
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C21D9/525
for wire, for rods
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Patents Grants
last 30 patents
Information
Patent Grant
Method for manufacturing an austenitic steel component and use of t...
Patent number
12,241,139
Issue date
Mar 4, 2025
OUTOKUMPU OYJ
Thomas Fröhlich
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for controlling carbide network in a bearing steel wire rod...
Patent number
12,234,522
Issue date
Feb 25, 2025
JIANGYIN XINGCHENG GOLD MATERIALS CO., LTD
Lin Zhang
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel wire rod enabling omission of softening heat treatment and me...
Patent number
12,227,824
Issue date
Feb 18, 2025
POSCO Co., Ltd
Jae-Seung Lee
C21 - METALLURGY OF IRON
Information
Patent Grant
Iron-manganese alloy having improved weldability
Patent number
12,173,388
Issue date
Dec 24, 2024
APERAM
Pierre-Louis Reydet
C21 - METALLURGY OF IRON
Information
Patent Grant
Bonding wire
Patent number
12,132,025
Issue date
Oct 29, 2024
Nippon Micrometal Corporation
Takashi Yamada
C21 - METALLURGY OF IRON
Information
Patent Grant
Parts with a bainitic structure having high strength properties and...
Patent number
12,129,527
Issue date
Oct 29, 2024
Arcelormittal
Marie-Thérèse Perrot-Simonetta
C21 - METALLURGY OF IRON
Information
Patent Grant
Steel wire and spring
Patent number
12,091,734
Issue date
Sep 17, 2024
Sumitomo Electric Industries, Ltd.
Tetsuya Nakajima
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information
Patent Grant
Method for producing a raw wire from a first metal strip and at lea...
Patent number
12,091,720
Issue date
Sep 17, 2024
Theodor Stuth
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing a low-carbon nitrogen-containing austeniti...
Patent number
12,024,754
Issue date
Jul 2, 2024
DAYE SPECIAL STEEL CO., LTD.
Xiaoliang Dong
C21 - METALLURGY OF IRON
Information
Patent Grant
α+β type titanium alloy wire and manufacturing method of α+β type t...
Patent number
12,000,021
Issue date
Jun 4, 2024
Nippon Steel Corporation
Ryotaro Miyoshi
C21 - METALLURGY OF IRON
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
High strength fastener stock of wrought titanium alloy and method o...
Patent number
11,920,218
Issue date
Mar 5, 2024
The Boeing Company
Natalia G. Mitropolskaya
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
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
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
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
Device and method for continuous temperature gradient heat treatmen...
Patent number
11,753,695
Issue date
Sep 12, 2023
Northwestern Polytechnical University
Taiwen Huang
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for producing an ausferritic steel, austempered during conti...
Patent number
11,708,624
Issue date
Jul 25, 2023
Ausferritic AB
Richard Larker
C21 - METALLURGY OF IRON
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
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
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
Manufacturing process of high-strength aluminum alloy wire/strip
Patent number
11,566,312
Issue date
Jan 31, 2023
JIANGSU UNIVERSITY OF TECHNOLOGY
Xiaoping Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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
Heat distribution management device for yarn treatment
Patent number
11,519,115
Issue date
Dec 6, 2022
SUPERBA SAS
Philippe Massotte
D02 - YARNS MECHANICAL FINISHING OF YARNS OR ROPES WARPING OR BEAMING
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
7000-series aluminum alloy wire for additive manufacturing and prep...
Patent number
11,505,850
Issue date
Nov 22, 2022
JIANGXI UNIVERSITY OF SCIENCE & TECHNOLOGY
Jiqiang Chen
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
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
Steel wire and wire rod
Patent number
11,203,797
Issue date
Dec 21, 2021
Nippon Steel Corporation
Makoto Okonogi
C21 - METALLURGY OF IRON
Patents Applications
last 30 patents
Information
Patent Application
IRON-MANGANESE ALLOY HAVING IMPROVED WELDABILITY
Publication number
20250066888
Publication date
Feb 27, 2025
APERAM
Pierre-Louis REYDET
C21 - METALLURGY OF IRON
Information
Patent Application
FERRITIC FREE-CUTTING STAINLESS STEEL
Publication number
20250051874
Publication date
Feb 13, 2025
DAIDO STEEL CO., LTD.
Naoki SEI
C21 - METALLURGY OF IRON
Information
Patent Application
CALCIUM-CONTAINING GRAPHITE STEEL WIRE ROD, GRAPHITE STEEL, AND MAN...
Publication number
20250043400
Publication date
Feb 6, 2025
POSCO Co., Ltd
Sangwoo CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
METHODS FOR MANUFACTURING WIRE ROD FOR COLD FORGING AND SCREW PART,...
Publication number
20250043376
Publication date
Feb 6, 2025
POSCO CO., LTD.
Byungin JUNG
C21 - METALLURGY OF IRON
Information
Patent Application
GRAPHITE STEEL WIRE ROD AND GRAPHITE STEEL FOR TV PEM NUT PARTS, ME...
Publication number
20250034672
Publication date
Jan 30, 2025
POSCO Co., Ltd
Sangwoo CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
CALCIUM-CONTAINING GRAPHITE STEEL HAVING EXCELLENT MACHINABILITY, A...
Publication number
20250019790
Publication date
Jan 16, 2025
POSCO Co., Ltd
Sangwoo CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD FORGING WIRE ROD AND STEEL PART HAVING IMPROVED DELAYED FRACTU...
Publication number
20250003038
Publication date
Jan 2, 2025
POSCO Co., Ltd
Youngsoo CHUN
C21 - METALLURGY OF IRON
Information
Patent Application
FLAT WIRE AND METHOD FOR PRODUCTION THEREOF
Publication number
20240401172
Publication date
Dec 5, 2024
SUZUKI GARPHYTTAN AB
Oskar FORSMAN
C21 - METALLURGY OF IRON
Information
Patent Application
SULFUR-ADDED GRAPHITE STEEL WIRE ROD, STEEL WIRE AND GRAPHITE STEEL...
Publication number
20240401167
Publication date
Dec 5, 2024
POSCOCO., LTD
Sangwoo CHOI
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL ROUND BAR
Publication number
20240401178
Publication date
Dec 5, 2024
NIPPON STEEL CORPORATION
Kyohei KANKI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE FOR SPRINGS
Publication number
20240344186
Publication date
Oct 17, 2024
Sumitomo Electric Industries, Ltd.
Hiromu IZUMIDA
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL AND STEEL WIRE, WHICH ARE FOR SPRING, AND MANUFACTURING METHO...
Publication number
20240344185
Publication date
Oct 17, 2024
POSCO Co., Ltd
Kwanho KIM
C21 - METALLURGY OF IRON
Information
Patent Application
Method for producing a steel part and steel part
Publication number
20240301528
Publication date
Sep 12, 2024
ARCELORMITTAL
Marion FROTEY
C21 - METALLURGY OF IRON
Information
Patent Application
MARTENSITIC STAINLESS STEEL FOR HYDROGEN GAS ENVIRONMENT AND MANUFA...
Publication number
20240279764
Publication date
Aug 22, 2024
DAIDO STEEL CO., LTD.
Nobuyuki TAKAHASHI
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL MATERIAL
Publication number
20240271262
Publication date
Aug 15, 2024
NIPPON STEEL CORPORATION
Yusuke MIYAKOSHI
C21 - METALLURGY OF IRON
Information
Patent Application
System and method for producing rod-shaped steels
Publication number
20240271244
Publication date
Aug 15, 2024
SMS group GMBH
Michael KÖBERICH
C21 - METALLURGY OF IRON
Information
Patent Application
WIRE ROD AND STEEL WIRE FOR SPRING, SPRING WITH IMPROVED STRENGTH A...
Publication number
20240263286
Publication date
Aug 8, 2024
POSCO Co., Ltd
Junmo LEE
B22 - CASTING POWDER METALLURGY
Information
Patent Application
WIRE ROD HAVING EXCELLENT DRAWABILITY, AND MANUFACTURING METHOD THE...
Publication number
20240254588
Publication date
Aug 1, 2024
POSCO Co., Ltd
Byoung-Gab LEE
C21 - METALLURGY OF IRON
Information
Patent Application
WIREDRAWN PRODUCT AND METHOD FOR MANUFACTURING WIREDRAWN PRODUCT
Publication number
20240183010
Publication date
Jun 6, 2024
TOKYO ROPE MFG. CO., LTD.
Kazuhiro ISHIMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE FOR MACHINE STRUCTURAL PARTS AND METHOD FOR MANUFACTURIN...
Publication number
20240175112
Publication date
May 30, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Yosuke MATSUMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL WIRE FOR MACHINE STRUCTURAL PARTS AND METHOD FOR MANUFACTURIN...
Publication number
20240167116
Publication date
May 23, 2024
Kabushiki Kaisha Kobe Seiko Sho (Kobe Steel, Ltd.)
Yosuke MATSUMOTO
C21 - METALLURGY OF IRON
Information
Patent Application
FE-NI ALLOY, IN PARTICULAR FOR TRANSPORTING AND STORING LIQUID HYDR...
Publication number
20240150877
Publication date
May 9, 2024
APERAM
Pierre-Louis REYDET
B22 - CASTING POWDER METALLURGY
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
METHOD FOR LASER HARDENING OF A CARD WIRE
Publication number
20240102120
Publication date
Mar 28, 2024
Groz-Beckert KG
Johannes BRUSKE
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
WIRE ROD FOR ULTRAHIGH-STRENGTH SPRINGS, STEEL WIRE, AND MANUFACTUR...
Publication number
20240052455
Publication date
Feb 15, 2024
POSCO Co., Ltd
Junmo LEE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...