Surface hardening

Industry

CPC
C21D1/06

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Parent Industries

CCHEMISTRY METALLURGY C21Iron metallurgy C21DMODIFYING 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 C21D1/00General methods or devices for heat treatments

Current Industry

C21D1/06Surface hardening

Industries

Patents Grantslast 30 patents

Information Patent Grant
Bearing part and rolling bearing
- Patent number 12,163,555
- Issue date Dec 10, 2024
- NTN Corporation
- Masahiro Yamada
- C21 - METALLURGY OF IRON
Information Patent Grant
Chemical activation of self-passivating metals
- Patent number 12,129,556
- Issue date Oct 29, 2024
- Swagelok Company
- Cyprian Adair William Illing
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Soft magnetic material and method for producing the same, and elect...
- Patent number 12,129,558
- Issue date Oct 29, 2024
- Hitachi, Ltd.
- Matahiro Komuro
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Guiding member, mechanical system comprising such a guiding member,...
- Patent number 12,098,744
- Issue date Sep 24, 2024
- HYDROMECANIQUE ET FROTTEMENT
- Fabrice Prost
- 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
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...
Information Patent Grant
Method for producing a threaded nut of a threaded drive, in particu...
- Patent number 12,007,003
- Issue date Jun 11, 2024
- Schaeffler Technologies AG & Co. KG
- Mario Kreutzer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Asynchronous conversion of metals to metal ceramics
- Patent number 11,993,840
- Issue date May 28, 2024
- Intalus, Inc.
- Peter Oestlund
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel for nitrocarburizing and nitrocarburized component, and metho...
- Patent number 11,959,177
- Issue date Apr 16, 2024
- JFE Steel Corporation
- Masayuki Kasai
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Carburized part and method for manufacturing same
- Patent number 11,952,668
- Issue date Apr 9, 2024
- Nippon Steel Corporation
- Miyuri Umehara
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating a mining insert
- Patent number 11,898,213
- Issue date Feb 13, 2024
- AB Sandvik Coromant
- Ioannis Arvanitidis
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and system for heat treating a workpiece
- Patent number 11,898,214
- Issue date Feb 13, 2024
- ETXE-TAR, S.A.
- Amaia Gabilondo
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Components formed with high strength steel
- Patent number 11,885,289
- Issue date Jan 30, 2024
- Caterpillar Inc.
- Jonathan Robert Crow
- C21 - METALLURGY OF IRON
Information Patent Grant
Nitriding process for carburizing ferrium steels
- Patent number 11,840,765
- Issue date Dec 12, 2023
- GE AVIO S.r.l.
- Lorenzo Rigo
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Roughly-shaped steel material for nitrided part, and nitrided part
- Patent number 11,827,963
- Issue date Nov 28, 2023
- Nippon Steel Corporation
- Masato Yuya
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Precipitation hardening stainless steel and its manufacture
- Patent number 11,767,569
- Issue date Sep 26, 2023
- OVAKO SWEDEN AB
- Jan-Erik Andersson
- C21 - METALLURGY OF IRON
Information Patent Grant
High-efficiency epicyclic gear assemblies for turbomachines and met...
- Patent number 11,732,655
- Issue date Aug 22, 2023
- G.E. Avio S.r.l.
- Andrea Piazza
- C21 - METALLURGY OF IRON
Information Patent Grant
Case hardening steel
- Patent number 11,702,716
- Issue date Jul 18, 2023
- JFE Steel Corporation
- Keisuke Ando
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Helicoidal blade manufacturing system and method
- Patent number 11,701,699
- Issue date Jul 18, 2023
- Horace Thompson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Watch component and watch
- Patent number 11,669,048
- Issue date Jun 6, 2023
- Seiko Epson Corporation
- Koki Takasawa
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbo-nitriding process for martensitic stainless steel and stainle...
- Patent number 11,667,999
- Issue date Jun 6, 2023
- UES INC.
- Hitesh K. Trivedi
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method of treating an article
- Patent number 11,668,000
- Issue date Jun 6, 2023
- FLUID CONTROLS PVT. LTD.
- Tansen Dhananjay Chaudhari
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Chemical activation of self-passivating metals
- Patent number 11,649,538
- Issue date May 16, 2023
- Swagelok Company
- Cyprian A. W. Illing
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Steel sheet for carburizing, and method for manufacturing steel she...
- Patent number 11,639,536
- Issue date May 2, 2023
- Nippon Steel Corporation
- Motonori Hashimoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Precipitation hardening steel and its manufacture
- Patent number 11,624,098
- Issue date Apr 11, 2023
- OVAKO SWEDEN AB
- Jan-Erik Andersson
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Method for producing a sintered component
- Patent number 11,590,571
- Issue date Feb 28, 2023
- Miba Sinter Austria GmbH
- Jose Correa Neto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Manufacturing method of a cutting member
- Patent number 11,577,303
- Issue date Feb 14, 2023
- Hangzhou Great Star Industrial Co., Ltd.
- Weiyi Wang
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Cold-rolled flat steel product for packaging materials
- Patent number 11,560,608
- Issue date Jan 24, 2023
- Thyssenkrupp Rasselstein GmbH
- Burkhard Kaup
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Grant
Producing a partially hardened formed part
- Patent number 11,555,224
- Issue date Jan 17, 2023
- WEBA WERKZEUGBAU BETRIEBS GMBH
- Johannes Graf
- B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information Patent Grant
Method of treating an article
- Patent number 11,549,171
- Issue date Jan 10, 2023
- FLUID CONTROLS PVT. LTD.
- Tansen Dhananjay Chaudhari
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

Information Patent Application
CASE HARDENING STEEL FOR WARM FORGING AND ROUGHLY-SHAPED FORGED MAT...
- Publication number 20240352562
- Publication date Oct 24, 2024
- AICHI STEEL CORPORATION
- Takayoshi SUGIURA
- C21 - METALLURGY OF IRON
Information Patent Application
Mechanical and Chemical Surface Treatment of a Golf Club Head
- Publication number 20240157204
- Publication date May 16, 2024
- Karsten Manufacturing Corporation
- Thomas M. Malota
- C21 - METALLURGY OF IRON
Information Patent Application
PROCESSING METHOD AND PROCESSING APPARATUS FOR METAL COMPONENT
- Publication number 20240011142
- Publication date Jan 11, 2024
- PARKER NETSUSHORI KOGYO CO., LTD.
- Yasushi HIRAOKA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
Thermal Treatment of Component
- Publication number 20230304116
- Publication date Sep 28, 2023
- Schwartz GmbH
- David Buller
- 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
CHAIN
- Publication number 20230287963
- Publication date Sep 14, 2023
- Tsubakimoto Chain Co.
- Yuhi Hirata
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL COMPONENT
- Publication number 20230212731
- Publication date Jul 6, 2023
- JFE STEEL CORPORATION
- Naoya IHARA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF TREATING AN ARTICLE
- Publication number 20230167534
- Publication date Jun 1, 2023
- Fluid Controls Pvt. Ltd.
- Tansen Dhananjay CHAUDHARI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD FOR MANUFACTURING A PART OF NITRIDED STEEL
- Publication number 20230103806
- Publication date Apr 6, 2023
- SAFRAN
- Jawad BADREDDINE
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT METHOD FOR TUBULAR SHAFT FOR DRIVE SHAFT HAVING BALL...
- Publication number 20230093813
- Publication date Mar 30, 2023
- ERAE AMS CO., LTD.
- Se Jung PARK
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ANNEALING SEPARATOR FOR ORIENTED ELECTRICAL STEEL SHEET, ORIENTED E...
- Publication number 20230042915
- Publication date Feb 9, 2023
- POSCO
- Chang Soo PARK
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF TREATING A MINING INSERT
- Publication number 20230036990
- Publication date Feb 2, 2023
- AB SANDVIK COROMANT
- Ioannis ARVANITIDIS
- C21 - METALLURGY OF IRON
Information Patent Application
NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME
- Publication number 20230025678
- Publication date Jan 26, 2023
- POSCO
- Hyung Don JOO
- C21 - METALLURGY OF IRON
Information Patent Application
ROLLING BEARING
- Publication number 20220411891
- Publication date Dec 29, 2022
- NTN Corporation
- Takashi KAWAI
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
METHOD OF HEAT TREATING A STEEL COMPONENT
- Publication number 20220389559
- Publication date Dec 8, 2022
- Aktiebolaget SKF
- Karl Åke Staffan Larsson
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
BEARING PART
- Publication number 20220389960
- Publication date Dec 8, 2022
- NTN CORPORATION
- Kiyoshige YAMAUCHI
- C21 - METALLURGY OF IRON
Information Patent Application
FERRITIC STAINLESS STEEL SHEET
- Publication number 20220389555
- Publication date Dec 8, 2022
- NIPPON STEEL STAINLESS STEEL CORPORATION
- Kou NISHIMURA
- C21 - METALLURGY OF IRON
Information Patent Application
Nitriding Treatment Method and Nitriding Treatment Apparatus
- Publication number 20220380881
- Publication date Dec 1, 2022
- Hitachi, Ltd
- Hisamitsu HATOU
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
COMPONENTS FORMED WITH HIGH STRENGTH STEEL
- Publication number 20220349370
- Publication date Nov 3, 2022
- Caterpillar Inc.
- Jonathan Robert Crow
- C21 - METALLURGY OF IRON
Information Patent Application
STEEL WIRE AND SPRING
- Publication number 20220307115
- Publication date Sep 29, 2022
- Sumitomo Electric Industries, Ltd.
- Tetsuya NAKAJIMA
- C21 - METALLURGY OF IRON
Information Patent Application
Method for producing a threaded nut of a threaded drive, in particu...
- Publication number 20220275854
- Publication date Sep 1, 2022
- SCHAEFFLER TECHNOLOGIES AG & CO. KG
- Mario Kreutzer
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Application
HEAT TREATMENT MEMBER AND HEAT TREATMENT STRUCTURE
- Publication number 20220252348
- Publication date Aug 11, 2022
- NIKKO KINZOKU CO., LTD.
- Etsuo INOUE
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT FURNACE, INFORMATION PROCESSING APPARATUS AND INFORM...
- Publication number 20220235428
- Publication date Jul 28, 2022
- KANTO YAKIN KOGYO CO., LTD.
- Shinichi TAKAHASHI
- C21 - METALLURGY OF IRON
Information Patent Application
CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS
- Publication number 20220064778
- Publication date Mar 3, 2022
- SWAGELOK COMPANY
- Cyprian A.W. Illing
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CARBURIZED PART AND METHOD FOR MANUFACTURING SAME
- Publication number 20220042156
- Publication date Feb 10, 2022
- NIPPON STEEL CORPORATION
- Miyuri UMEHARA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SOFT MAGNETIC MATERIAL AND METHOD FOR PRODUCING THE SAME, AND ELECT...
- Publication number 20220042157
- Publication date Feb 10, 2022
- Hitachi, Ltd
- Matahiro KOMURO
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
NITRIDING PROCESS FOR CARBURIZING FERRIUM STEELS
- Publication number 20220042158
- Publication date Feb 10, 2022
- GE Avio S.r.l.
- Lorenzo Rigo
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS
- Publication number 20220042169
- Publication date Feb 10, 2022
- Newsotech, Inc.
- Peter Oestlund
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
CARBURIZING BEARING STEEL AND PREPARATION METHOD THEREOF
- Publication number 20220017983
- Publication date Jan 20, 2022
- Central Iron & Steel Research Institute
- Wenquan CAO
- C21 - METALLURGY OF IRON
Information Patent Application
ROUGHLY-SHAPED STEEL MATERIAL FOR NITRIDED PART, AND NITRIDED PART
- Publication number 20220010416
- Publication date Jan 13, 2022
- Nippon Steel Corporation
- Masato YUYA
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...

Surface hardening

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Bearing part and rolling bearing

Chemical activation of self-passivating metals

Soft magnetic material and method for producing the same, and elect...

Guiding member, mechanical system comprising such a guiding member,...

Steel wire and spring

Ferritic stainless steel sheet

Method for producing a threaded nut of a threaded drive, in particu...

Asynchronous conversion of metals to metal ceramics

Steel for nitrocarburizing and nitrocarburized component, and metho...

Carburized part and method for manufacturing same

Method of treating a mining insert

Method and system for heat treating a workpiece

Components formed with high strength steel

Nitriding process for carburizing ferrium steels

Roughly-shaped steel material for nitrided part, and nitrided part

Precipitation hardening stainless steel and its manufacture

High-efficiency epicyclic gear assemblies for turbomachines and met...

Case hardening steel

Helicoidal blade manufacturing system and method

Watch component and watch

Carbo-nitriding process for martensitic stainless steel and stainle...

Method of treating an article

Chemical activation of self-passivating metals

Steel sheet for carburizing, and method for manufacturing steel she...

Precipitation hardening steel and its manufacture

Method for producing a sintered component

Manufacturing method of a cutting member

Cold-rolled flat steel product for packaging materials

Producing a partially hardened formed part

Method of treating an article

Patents Applicationslast 30 patents

CASE HARDENING STEEL FOR WARM FORGING AND ROUGHLY-SHAPED FORGED MAT...

Mechanical and Chemical Surface Treatment of a Golf Club Head

PROCESSING METHOD AND PROCESSING APPARATUS FOR METAL COMPONENT

Thermal Treatment of Component

DAMPER SPRING

CHAIN

STEEL COMPONENT

METHOD OF TREATING AN ARTICLE

METHOD FOR MANUFACTURING A PART OF NITRIDED STEEL

HEAT TREATMENT METHOD FOR TUBULAR SHAFT FOR DRIVE SHAFT HAVING BALL...

ANNEALING SEPARATOR FOR ORIENTED ELECTRICAL STEEL SHEET, ORIENTED E...

METHOD OF TREATING A MINING INSERT

NON-ORIENTED ELECTRICAL STEEL SHEET AND METHOD FOR MANUFACTURING SAME

ROLLING BEARING

METHOD OF HEAT TREATING A STEEL COMPONENT

BEARING PART

FERRITIC STAINLESS STEEL SHEET

Nitriding Treatment Method and Nitriding Treatment Apparatus

COMPONENTS FORMED WITH HIGH STRENGTH STEEL

STEEL WIRE AND SPRING

Method for producing a threaded nut of a threaded drive, in particu...

HEAT TREATMENT MEMBER AND HEAT TREATMENT STRUCTURE

HEAT TREATMENT FURNACE, INFORMATION PROCESSING APPARATUS AND INFORM...

CHEMICAL ACTIVATION OF SELF-PASSIVATING METALS

CARBURIZED PART AND METHOD FOR MANUFACTURING SAME

SOFT MAGNETIC MATERIAL AND METHOD FOR PRODUCING THE SAME, AND ELECT...

NITRIDING PROCESS FOR CARBURIZING FERRIUM STEELS

ASYNCHRONOUS CONVERSION OF METALS TO METAL CERAMICS

CARBURIZING BEARING STEEL AND PREPARATION METHOD THEREOF

ROUGHLY-SHAPED STEEL MATERIAL FOR NITRIDED PART, AND NITRIDED PART