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C21D6/004
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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
C21D6/00
Heat treatment of ferrous alloys
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C21D6/004
containing Cr and Ni
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last 30 patents
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Patent Grant
Steel for bolts, and method of manufacturing same
Patent number
12,203,149
Issue date
Jan 21, 2025
JFE Steel Corporation
Masafumi Tada
C21 - METALLURGY OF IRON
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Patent Grant
Forged part of bainitic steel and a method of manufacturing thereof
Patent number
12,203,156
Issue date
Jan 21, 2025
Arcelormittal
Victor Bordereau
C21 - METALLURGY OF IRON
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Patent Grant
Articles fabricated from cold-worked and case- hardened essentially...
Patent number
12,188,112
Issue date
Jan 7, 2025
CARPENTER TECHNOLOGY CORPORATION
Stephane Alexis Jacques Forsik
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Steel material for welding steel pipe having excellent low-temperat...
Patent number
12,188,105
Issue date
Jan 7, 2025
POSCO Co., Ltd
Hwan-Gyo Jung
C21 - METALLURGY OF IRON
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Patent Grant
Damper spring
Patent number
12,181,012
Issue date
Dec 31, 2024
Nippon Steel Corporation
Shinya Teramoto
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Electric-resistance-welded steel pipe for producing hollow stabiliz...
Patent number
12,172,487
Issue date
Dec 24, 2024
JFE Steel Corporation
Masatoshi Aratani
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Non-oriented electrical steel sheet and manufacturing method therefore
Patent number
12,173,379
Issue date
Dec 24, 2024
LG Electronics Inc.
Jin Bae Kim
C21 - METALLURGY OF IRON
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Patent Grant
Corrosion pitting resistant martensitic stainless steel and method...
Patent number
12,146,203
Issue date
Nov 19, 2024
GE INFRASTRUCTURE TECHNOLOGY LLC
Theodore Francis Majka
C21 - METALLURGY OF IRON
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Patent Grant
Cryogenic pressure vessels formed from low-carbon, high-strength 9%...
Patent number
12,146,211
Issue date
Nov 19, 2024
Arcelormittal
George Jay Fraley
C21 - METALLURGY OF IRON
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Patent Grant
Sinterable metal paste for use in additive manufacturing
Patent number
12,139,638
Issue date
Nov 12, 2024
Mantle Inc.
Stephen T. Connor
B22 - CASTING POWDER METALLURGY
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Patent Grant
Highly thick steel material having excellent low-temperature impact...
Patent number
12,134,800
Issue date
Nov 5, 2024
POSCO Co., Ltd
Dae-Woo Kim
C21 - METALLURGY OF IRON
Information
Patent Grant
Ultra-fine grained steels having corrosion- fatigue resistance
Patent number
12,129,533
Issue date
Oct 29, 2024
Tenaris Connections B.V.
Martin Bühler
C21 - METALLURGY OF IRON
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Patent Grant
Seamless steel pipe having desirable sulfuric acid dew-point corros...
Patent number
12,129,954
Issue date
Oct 29, 2024
JFE Steel Corporation
Hiroyuki Takai
C21 - METALLURGY OF IRON
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Patent Grant
Optimized gamma-prime strengthened austenitic trip steel and design...
Patent number
12,129,525
Issue date
Oct 29, 2024
Northwestern University
Nicholas J. Wengrenovich
G06 - COMPUTING CALCULATING COUNTING
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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
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Patent Grant
High surface-pressure resistant component and production method the...
Patent number
12,129,557
Issue date
Oct 29, 2024
Daido Steel Co., Ltd.
Junya Miyauchi
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Grant
Ferritic stainless steel having improved pipe-expanding workability...
Patent number
12,123,067
Issue date
Oct 22, 2024
POSCO Co., Ltd
Il Chan Jung
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet and method for producing the same
Patent number
12,123,069
Issue date
Oct 22, 2024
JFE Steel Corporation
Yoshihiko Ono
C21 - METALLURGY OF IRON
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Patent Grant
Ferritic stainless steel sheet and method for producing same
Patent number
12,123,070
Issue date
Oct 22, 2024
JFE Steel Corporation
Keishi Inoue
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet and member, and methods for manufacturing same
Patent number
12,110,568
Issue date
Oct 8, 2024
JFE Steel Corporation
Yoichiro Matsui
C21 - METALLURGY OF IRON
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Patent Grant
Method for producing grain oriented electrical steel sheet
Patent number
12,110,567
Issue date
Oct 8, 2024
Nippon Steel Corporation
Shinsuke Takatani
C21 - METALLURGY OF IRON
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Patent Grant
Steel material and method for producing same
Patent number
12,110,566
Issue date
Oct 8, 2024
Michio Shimotomai
C21 - METALLURGY OF IRON
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Patent Grant
Intravenous therapy system for blood vessel access via a curved nee...
Patent number
12,109,374
Issue date
Oct 8, 2024
Becton, Dickinson and Company
S. Ray Isaacson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Welding base metal for recycling railway wheel and method for recyc...
Patent number
12,104,220
Issue date
Oct 1, 2024
ASIATECH CO., LTD.
Young Jin Lee
B60 - VEHICLES IN GENERAL
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Patent Grant
Stainless steel seamless pipe
Patent number
12,098,438
Issue date
Sep 24, 2024
JFE Steel Corporation
Yuichi Kamo
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet and method for producing same
Patent number
12,098,440
Issue date
Sep 24, 2024
Nippon Steel Corporation
Takafumi Yokoyama
C21 - METALLURGY OF IRON
Information
Patent Grant
Gradient-structured ultra-fine bainitic low-alloy rail steel and pr...
Patent number
12,084,737
Issue date
Sep 10, 2024
Yanshan University
Zhinan Yang
C21 - METALLURGY OF IRON
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Patent Grant
Nickel-based superalloy steel and preparation method thereof
Patent number
12,084,748
Issue date
Sep 10, 2024
Zhejiang Dalong New Materials Co., Ltd.
Rongxin Yu
C21 - METALLURGY OF IRON
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Patent Grant
Steel sheet
Patent number
12,077,832
Issue date
Sep 3, 2024
Nippon Steel Corporation
Yuya Suzuki
B22 - CASTING POWDER METALLURGY
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Patent Grant
Ferritic stainless steel sheet
Patent number
12,060,632
Issue date
Aug 13, 2024
NIPPON STEEL STAINLESS STEEL CORPORATION
Kou Nishimura
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Patents Applications
last 30 patents
Information
Patent Application
SINTERABLE METAL PASTE FOR USE IN ADDITIVE MANUFACTURING
Publication number
20250026939
Publication date
Jan 23, 2025
MANTLE INC.
Stephen T. CONNOR
B22 - CASTING POWDER METALLURGY
Information
Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET, IRON CORE AND MOTOR CORE, AND...
Publication number
20250022639
Publication date
Jan 16, 2025
NIPPON STEEL CORPORATION
Yoshiaki NATORI
C21 - METALLURGY OF IRON
Information
Patent Application
HOT-ROLLED STEEL SHEET AND METHOD FOR MANUFACTURING SAME
Publication number
20250019812
Publication date
Jan 16, 2025
POSCO CO., LTD.
Il-Cheol YI
C21 - METALLURGY OF IRON
Information
Patent Application
COLD ROLLED AND HEAT TREATED STEEL SHEET AND A METHOD OF MANUFACTUR...
Publication number
20250019786
Publication date
Jan 16, 2025
ARCELORMITTAL
Damon PANAHI
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STEEL WITH GOOD WEATHER RESISTANCE AND MANUFACTURING...
Publication number
20250011891
Publication date
Jan 9, 2025
Baoshan Iron & Steel Co., Ltd
Sixin Zhao
B22 - CASTING POWDER METALLURGY
Information
Patent Application
Method for producing a steel sheet having excellent processability...
Publication number
20250011892
Publication date
Jan 9, 2025
ARCELORMITTAL
Deborah HERRY
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
STEEL, PROCESSING METHOD THEREOF AND SCREWDRIVER BIT
Publication number
20250010434
Publication date
Jan 9, 2025
CHINA STEEL CORPORATION
HERNG-SHUOH JANG
C21 - METALLURGY OF IRON
Information
Patent Application
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003045
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CRACK-CONTAINING HOT-STAMPED STEEL PART WITH A THIN COATING WITH EX...
Publication number
20250003046
Publication date
Jan 2, 2025
ARCELORMITTAL
Clément PHILIPPOT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
AUSTENITE STAINLESS STEEL SHEET, METHOD FOR PRODUCING SAME, AND SHE...
Publication number
20250003041
Publication date
Jan 2, 2025
NIPPON STEEL STAINLESS STEEL CORPORATION
Naoki HIRAKAWA
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH SEAMLESS STAINLESS STEEL PIPE FOR OIL WELLS
Publication number
20250003042
Publication date
Jan 2, 2025
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
Information
Patent Application
STEEL SHEET AND PRESS-FORMED ARTICLE
Publication number
20240425960
Publication date
Dec 26, 2024
NIPPON STEEL CORPORATION
Yasuhiro ITO
C21 - METALLURGY OF IRON
Information
Patent Application
TRACK LINK PRODUCTION METHOD
Publication number
20240417819
Publication date
Dec 19, 2024
Berco S.p.A.
Francesco GRENZI
C21 - METALLURGY OF IRON
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Patent Application
FERRITIC STAINLESS STEEL AND MANUFACTURING METHOD THEREFOR
Publication number
20240417834
Publication date
Dec 19, 2024
POSCO Co., Ltd
Sooho Park
C21 - METALLURGY OF IRON
Information
Patent Application
ULTRATHICK STEEL MATERIALS FOR FLANGE HAVING EXCELLENT STRENGTH AND...
Publication number
20240410030
Publication date
Dec 12, 2024
POSCO Co., Ltd
Dae-Woo KIM
C21 - METALLURGY OF IRON
Information
Patent Application
HIGH-STRENGTH STAINLESS SEAMLESS STEEL PIPE FOR OIL WELLS AND METHO...
Publication number
20240410499
Publication date
Dec 12, 2024
JFE STEEL CORPORATION
Kenichiro Eguchi
C21 - METALLURGY OF IRON
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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
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Patent Application
MARTENSITIC STAINLESS STEEL ROUND BAR
Publication number
20240401178
Publication date
Dec 5, 2024
NIPPON STEEL CORPORATION
Kyohei KANKI
C21 - METALLURGY OF IRON
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Patent Application
HOT-ROLLED FERRITIC STAINLESS STEEL SHEET HAVING EXCELLENT FORMABIL...
Publication number
20240401165
Publication date
Dec 5, 2024
POSCO CO., LTD
Junghyun Kong
B22 - CASTING POWDER METALLURGY
Information
Patent Application
FORGED STEEL ROLL FOR COLD ROLLING
Publication number
20240383025
Publication date
Nov 21, 2024
NIPPON STEEL CORPORATION
Seiji ITO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRECIPITATION HARDENING MARTENSITIC STAINLESS STEEL HAVING EXCELLEN...
Publication number
20240376561
Publication date
Nov 14, 2024
Nippon Yakin Kogyo Co., Ltd.
Xin JI
B22 - CASTING POWDER METALLURGY
Information
Patent Application
STEEL SHEET, MEMBER, AND METHODS FOR MANUFACTURING SAME
Publication number
20240368722
Publication date
Nov 7, 2024
JFE STEEL CORPORATION
Yoichiro Matsui
C21 - METALLURGY OF IRON
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Patent Application
METHOD FOR PRODUCING HIGH-STRENGTH TINPLATE AND TINPLATE PRODUCED T...
Publication number
20240360534
Publication date
Oct 31, 2024
TATA STEEL IJMUIDEN BV
John Antony GAMBLE
C21 - METALLURGY OF IRON
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Patent Application
OUTER PLATE COMPONENT FOR AUTOMOBILE, BLANK SHEET, MANUFACTURING ME...
Publication number
20240352565
Publication date
Oct 24, 2024
NIPPON STEEL CORPORATION
Ryuichi NISHIMURA
C21 - METALLURGY OF IRON
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Patent Application
COLD ROLLED STEEL SHEET HAVING EXCELLENT WELDABILITY, STRENGTH, AND...
Publication number
20240352551
Publication date
Oct 24, 2024
Young-Roc IM
C21 - METALLURGY OF IRON
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Patent Application
AUSTENITIC STAINLESS STEEL AND METHOD FOR MANUFACTURING SAME
Publication number
20240336989
Publication date
Oct 10, 2024
POSCO Co., Ltd
Sangseok Kim
C21 - METALLURGY OF IRON
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Patent Application
STEEL SHEET AND METHOD FOR PRODUCING SAME
Publication number
20240327965
Publication date
Oct 3, 2024
NIPPON STEEL CORPORATION
Taku MIYAKAWA
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
HEAT-RESISTANT FERRITIC STEEL
Publication number
20240318289
Publication date
Sep 26, 2024
NIPPON STEEL CORPORATION
Hiroyuki HIRATA
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...