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CHEMISTRY METALLURGY
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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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Heat treatment
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C21D9/0068
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Sliding member and method for producing the same
Patent number
12,345,292
Issue date
Jul 1, 2025
Daido Metal Company Ltd.
Masahiro Nakai
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Alloy member production method and alloy member
Patent number
12,330,215
Issue date
Jun 17, 2025
PROTERIAL, LTD.
Kousuke Kuwabara
B22 - CASTING POWDER METALLURGY
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Aluminum alloy material suitable for use in the food industry and p...
Patent number
12,325,900
Issue date
Jun 10, 2025
Mustafa Murat Dundar
C21 - METALLURGY OF IRON
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Steel sheet and high strength press hardened steel part having exce...
Patent number
12,312,647
Issue date
May 27, 2025
Arcelormittal
Alice Dumont
C21 - METALLURGY OF IRON
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Patent Grant
Heat treatment method and heat treatment furnace
Patent number
12,305,248
Issue date
May 20, 2025
Toyota Boshoku Kabushiki Kaisha
Masaki Sugiyama
C21 - METALLURGY OF IRON
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Patent Grant
Adjustable spacer with hardened ends
Patent number
12,292,083
Issue date
May 6, 2025
Temper Corporation
John E. Rode
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Extra thick hot rolled h section steel and production method therefor
Patent number
12,281,369
Issue date
Apr 22, 2025
MAANSHAN IRON & STEEL CO., LTD.
Meng Xia
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Grant
Organic and metallic aerogels, composition for the organic and meta...
Patent number
12,281,202
Issue date
Apr 22, 2025
Nicholas Leventis
B22 - CASTING POWDER METALLURGY
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Method for manufacturing laminated body
Patent number
12,278,528
Issue date
Apr 15, 2025
Mitsui High-Tec, Inc.
Shigeru Nagasugi
C21 - METALLURGY OF IRON
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Stainless steel powders for additive manufacturing
Patent number
12,227,825
Issue date
Feb 18, 2025
QuesTek Innovations LLC
Ricardo Komai
B22 - CASTING POWDER METALLURGY
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Patent Grant
High-frequency hardening apparatus
Patent number
12,200,846
Issue date
Jan 14, 2025
Mitsubishi Heavy Industries, Ltd.
Kunio Asai
C21 - METALLURGY OF IRON
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Pillar having variable strength
Patent number
12,168,476
Issue date
Dec 17, 2024
Magna International Inc.
Nikhil Bolar
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Friction brake body for a friction brake of a motor vehicle, method...
Patent number
12,169,009
Issue date
Dec 17, 2024
Robert Bosch GmbH
Ilja Potapenko
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Cylinder head, cylinder block, internal combustion engine, and meth...
Patent number
12,158,120
Issue date
Dec 3, 2024
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
Masayuki Iizumi
F02 - COMBUSTION ENGINES HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
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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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Steel material for steel piston
Patent number
12,134,812
Issue date
Nov 5, 2024
Nippon Steel Corporation
Yutaka Neishi
C21 - METALLURGY OF IRON
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Vehicle body structure
Patent number
12,116,043
Issue date
Oct 15, 2024
Nippon Steel Corporation
Masahiko Abe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Procedure for hardening slides of a perforating press and the slide...
Patent number
12,110,565
Issue date
Oct 8, 2024
Soenen Technology NV
Luc De Sutter
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
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Patent Grant
Method for producing Fe-based nanocrystalline alloy ribbon, method...
Patent number
12,070,794
Issue date
Aug 27, 2024
PROTERIAL, LTD.
Jun Sunakawa
B22 - CASTING POWDER METALLURGY
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Apparatus and method for manufacturing rack bar
Patent number
12,053,816
Issue date
Aug 6, 2024
Neturen Co., Ltd.
Ryosuke Suzuki
C21 - METALLURGY OF IRON
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Patent Grant
Method for the production of chassis parts from micro-alloyed steel...
Patent number
12,053,815
Issue date
Aug 6, 2024
Salzgitter Flachstahl GmbH
Ingwer Denks
C21 - METALLURGY OF IRON
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Railway wheel
Patent number
12,049,102
Issue date
Jul 30, 2024
Nippon Steel Corporation
Taketo Maejima
B60 - VEHICLES IN GENERAL
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Hot press processing method and processing device
Patent number
12,042,840
Issue date
Jul 23, 2024
Mazda Motor Corporation
Naoyuki Irie
C21 - METALLURGY OF IRON
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Method for forming coating film on constant velocity universal joint
Patent number
12,017,249
Issue date
Jun 25, 2024
NTN Corporation
Takafumi Iwamoto
B60 - VEHICLES IN GENERAL
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Patent Grant
Method for producing Fe-based nanocrystalline alloy ribbon, method...
Patent number
12,017,269
Issue date
Jun 25, 2024
PROTERIAL, LTD.
Jun Sunakawa
B22 - CASTING POWDER METALLURGY
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Patent Grant
Martensitic wear resistant alloy strengthened through aluminum nitr...
Patent number
12,018,343
Issue date
Jun 25, 2024
L. E. Jones Company
Cong Yue Qiao
C21 - METALLURGY OF IRON
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Patent Grant
Tailored material property tuning for turbine engine fan blades
Patent number
12,012,865
Issue date
Jun 18, 2024
Rolls-Royce North American Technologies Inc.
Michael Glavicic
C21 - METALLURGY OF IRON
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Method and system for producing low carbon ferroalloy from chromite...
Patent number
12,000,017
Issue date
Jun 4, 2024
MM Metals USA, LLC
Daniel Shaw
C21 - METALLURGY OF IRON
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Cylinder head, cylinder block, internal combustion engine, and meth...
Patent number
11,994,084
Issue date
May 28, 2024
MITSUBISHI HEAVY INDUSTRIES ENGINE & TURBOCHARGER, LTD.
Masayuki Iizumi
C21 - METALLURGY OF IRON
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Lip for excavating bucket
Patent number
11,952,742
Issue date
Apr 9, 2024
ESCO Group LLC
Robin K. Churchill
C21 - METALLURGY OF IRON
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last 30 patents
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Patent Application
HOT STAMPING ALLOY, METHOD OF MAKING HOT STAMPED PARTS WITH SUCH AL...
Publication number
20250207233
Publication date
Jun 26, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Zhou WANG
C21 - METALLURGY OF IRON
Information
Patent Application
NON-ORIENTED SILICON STEEL FOR HIGH-SPEED MOTOR, AND MANUFACTURING...
Publication number
20250188557
Publication date
Jun 12, 2025
ZHANGJIAGANG YANGTZE RIVER COLD ROLLED PLATE CO., LTD
Chongxiang YUE
C21 - METALLURGY OF IRON
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Patent Application
MOLDED COMPONENT, CONNECTION ARRANGEMENT WITH A MOLDED COMPONENT AN...
Publication number
20250178060
Publication date
Jun 5, 2025
BENTELER AUTOMOBILTECHNIK GMBH
Karl-Heinz MUELLER
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250137082
Publication date
May 1, 2025
ARCELORMITTAL
Alice DUMONT
C21 - METALLURGY OF IRON
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Patent Application
STEEL SHEET AND HIGH STRENGTH PRESS HARDENED STEEL PART HAVING EXCE...
Publication number
20250137083
Publication date
May 1, 2025
ARCELORMITTAL
Alice DUMONT
C21 - METALLURGY OF IRON
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Patent Application
HOT-ROLLED, LOW-TEMPERATURE-RESISTANT, H-SHAPED STEEL WITH GRADE OF...
Publication number
20250092480
Publication date
Mar 20, 2025
SHANDONG IRON AND STEEL COMPANY LTD.
Zhongxue Wang
B22 - CASTING POWDER METALLURGY
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Patent Application
PILLAR HAVING VARIABLE STRENGTH
Publication number
20250091651
Publication date
Mar 20, 2025
Nikhil BOLAR
C21 - METALLURGY OF IRON
Information
Patent Application
PRESS HARDENING STEEL (PHS) WELDED BLANKS WITH ENHANCED TOUGHNESS
Publication number
20250075282
Publication date
Mar 6, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Zhou WANG
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BRAKE DISC AND MANUFACTURING METHOD THEREOF
Publication number
20250075281
Publication date
Mar 6, 2025
Hyundai Motor Company
Young Jae Kim
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Application
RAPID PRE-HEATING TO IMPROVE SURFACE QUALITY FOR COATING-FREE PRESS...
Publication number
20250073770
Publication date
Mar 6, 2025
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Zhou WANG
C21 - METALLURGY OF IRON
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Patent Application
PRODUCTION METHOD OF AN ALUMINUM ALLOY MATERIAL SUITABLE FOR USE IN...
Publication number
20250051883
Publication date
Feb 13, 2025
ASSAN ALÜMINYUM SANAYI VE TICARET ANONIM SIRKETI
Mustafa Murat DUNDAR
C21 - METALLURGY OF IRON
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Patent Application
METHOD AND FURNACE FOR TREATING AN IRON-COBALT COMPONENT
Publication number
20250027180
Publication date
Jan 23, 2025
Rolls-Royce plc
Zhong CHEN
C21 - METALLURGY OF IRON
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Patent Application
HIGH-ALUMINUM BORON-CONTAINING DIE STEEL WITH RESISTANCE TO ZINC-IN...
Publication number
20250019785
Publication date
Jan 16, 2025
XI'AN JIAOTONG UNIVERSITY
Shengqiang MA
C21 - METALLURGY OF IRON
Information
Patent Application
Methods and Apparatuses Related to Payload Launch Vehicles
Publication number
20250011890
Publication date
Jan 9, 2025
Relativity Space, Inc.
Timothy A. Ellis
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
ROLLING COMPONENT AND ROLLING BEARING
Publication number
20240418213
Publication date
Dec 19, 2024
NTN Corporation
Masahiro YAMADA
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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
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Patent Application
HEAT TREATMENT METHOD AND HEAT TREATMENT FURNACE
Publication number
20240392402
Publication date
Nov 28, 2024
TOYOTA BOSHOKU KABUSHIKI KAISHA
Masaki SUGIYAMA
C21 - METALLURGY OF IRON
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Patent Application
APPARATUS AND METHOD FOR MANUFACTURING RACK BAR
Publication number
20240351094
Publication date
Oct 24, 2024
Neturen Co., Ltd.
Ryosuke SUZUKI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
POST DEPOSITION HEAT TREATMENT OF COATING ON SUBSTRATE
Publication number
20240344167
Publication date
Oct 17, 2024
Rolls-Royce Corporation
Jun Shi
C21 - METALLURGY OF IRON
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Patent Application
Methods and Apparatuses Related to Payload Launch Vehicles
Publication number
20240344163
Publication date
Oct 17, 2024
Relativity Space, Inc.
Jordan Noone
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROCHROME FROM CHROMIT...
Publication number
20240344171
Publication date
Oct 17, 2024
MM Metals USA, LLC
Daniel Shaw
C21 - METALLURGY OF IRON
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Patent Application
TOOL ACCESSORY AND METHOD OF MANUFACTURING SAME
Publication number
20240342869
Publication date
Oct 17, 2024
Milwaukee Electric Tool Corporation
Devin W. Herritz
C21 - METALLURGY OF IRON
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Patent Application
MECHANICAL STRUCTURAL MEMBER AND PRODUCTION METHOD FOR SAME
Publication number
20240327943
Publication date
Oct 3, 2024
NSK STEERING & CONTROL, INC.
Takeshi SAITO
C21 - METALLURGY OF IRON
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Patent Application
METHOD AND SYSTEM FOR PRODUCING LOW CARBON FERROALLOY FROM CHROMITE...
Publication number
20240301530
Publication date
Sep 12, 2024
MM Metals USA, LLC
Daniel SHAW
C21 - METALLURGY OF IRON
Information
Patent Application
PROCESS FOR OBTAINING A FINE-GRAINED MARTENSITIC STRUCTURE COMPONENT
Publication number
20240271239
Publication date
Aug 15, 2024
Danmarks Tekniske Universitet
Matteo Villa
C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
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Patent Application
SPATIALLY SELECTIVE ELECTROMAGNETIC FIELD ASSISTED PROCESSING OF BU...
Publication number
20240271236
Publication date
Aug 15, 2024
University of Pittsburgh of the Commonwealth System of Higher Education
Paul OHODNICKI
H01 - BASIC ELECTRIC ELEMENTS
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Patent Application
LIP FOR EXCAVATING BUCKET
Publication number
20240247463
Publication date
Jul 25, 2024
ESCO Group LLLC
Robin K. Churchill
C21 - METALLURGY OF IRON
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Patent Application
STAINLESS STEEL ALLOYS, TURBOCHARGER COMPONENTS FORMED FROM THE STA...
Publication number
20240247352
Publication date
Jul 25, 2024
Garrett Transportation I Inc.
Pavan Chintalapati
C21 - METALLURGY OF IRON
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Patent Application
Method For Producing Hardened Steel Sheet Components
Publication number
20240229179
Publication date
Jul 11, 2024
voestalpine Metal Forming GmbH
Patrik ALOISI
C21 - METALLURGY OF IRON
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Patent Application
METHOD FOR PRODUCING A WORKING AREA FOR A ROOT CANAL INSTRUMENT AND...
Publication number
20240225783
Publication date
Jul 11, 2024
GEBR. BRASSELER GMBH & CO. KG
Michael KRUMSIEK
C21 - METALLURGY OF IRON