for balls for rollers

Industry

CPC
C21D9/36

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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 C21D9/00Heat treatment

Current Industry

C21D9/36for balls for rollers

Industries

Patents Grantslast 30 patents

Information Patent Grant
Heat treatment equipment and heat treatment method
- Patent number 11,286,535
- Issue date Mar 29, 2022
- NTN Corporation
- Tsuneaki Hiraoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Heat treatment method of rod-shape workpiece
- Patent number 10,844,447
- Issue date Nov 24, 2020
- NTN Corporation
- Tsuneaki Hiraoka
- C21 - METALLURGY OF IRON
Information Patent Grant
Work piece conveyance jig and conveyance device provided with same,...
- Patent number 10,577,187
- Issue date Mar 3, 2020
- NTN Corporation
- Yuuki Tabuchi
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of imparting compressive residual stress to balls
- Patent number 10,480,578
- Issue date Nov 19, 2019
- Aktiebolaget SKF
- Bryan McCoy
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Steel alloy and a component comprising such a steel alloy
- Patent number 10,450,644
- Issue date Oct 22, 2019
- ERASTEEL
- Johanna André
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Bearing part
- Patent number 10,246,757
- Issue date Apr 2, 2019
- Nippon Steel & Sumitomo Metal Corporation
- Masashi Sakamoto
- B22 - CASTING POWDER METALLURGY
Information Patent Grant
Method and steel component
- Patent number 10,202,678
- Issue date Feb 12, 2019
- Aktiébolaget SKF
- Thore Lund
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing steel
- Patent number 10,113,221
- Issue date Oct 30, 2018
- Aktiebolaget SKF
- Hanzheng Huang
- C21 - METALLURGY OF IRON
Information Patent Grant
Process for heat treatment of parts made from low and specified har...
- Patent number 10,100,391
- Issue date Oct 16, 2018
- Anatoly Alexeevich Kuznetsov
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and steel component
- Patent number 10,053,764
- Issue date Aug 21, 2018
- Aktiebolaget SKF
- Staffan Larsson
- C21 - METALLURGY OF IRON
Information Patent Grant
Gas nitrocarburizing method and method for manufacturing bearing part
- Patent number 10,047,429
- Issue date Aug 14, 2018
- NTN Corporation
- Chikara Ohki
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing part, rolling bearing, and method for manufacturing bearing...
- Patent number 9,951,816
- Issue date Apr 24, 2018
- NTN Corporation
- Daisuke Sato
- C21 - METALLURGY OF IRON
Information Patent Grant
Method and steel component
- Patent number 9,828,664
- Issue date Nov 28, 2017
- Aktiebolaget SKF
- Staffan Larsson
- C21 - METALLURGY OF IRON
Information Patent Grant
Tapered roller bearing
- Patent number 9,816,557
- Issue date Nov 14, 2017
- NTN Corporation
- Takashi Ueno
- C21 - METALLURGY OF IRON
Information Patent Grant
Method of forming a bearing component
- Patent number 9,810,264
- Issue date Nov 7, 2017
- The Timken Company
- Praveen Pauskar
- B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information Patent Grant
Manufacturing process for aerospace bearing rolling elements
- Patent number 9,732,394
- Issue date Aug 15, 2017
- United Technologies Corporation
- Herbert A. Chin
- B24 - GRINDING POLISHING
Information Patent Grant
Bearing steel and method for producing same
- Patent number 9,732,407
- Issue date Aug 15, 2017
- Nippon Steel & Sumitomo Metal Corporation
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing steel material with excellent rolling fatigue property and...
- Patent number 9,359,661
- Issue date Jun 7, 2016
- Kobe Steel, Ltd.
- Masaki Shimamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing part, rolling bearing, and methods of manufacturing them
- Patent number 9,206,490
- Issue date Dec 8, 2015
- NTN Corporation
- Takashi Ueno
- C21 - METALLURGY OF IRON
Information Patent Grant
Rolled wire rod and manufacturing method thereof
- Patent number 9,169,530
- Issue date Oct 27, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Masashi Sakamoto
- C21 - METALLURGY OF IRON
Information Patent Grant
Carbonitriding method, machinery component fabrication method, and...
- Patent number 9,062,355
- Issue date Jun 23, 2015
- NTN Corporation
- Chikara Ohki
- C21 - METALLURGY OF IRON
Information Patent Grant
Case hardening steel, carburized component, and manufacturing metho...
- Patent number 8,980,022
- Issue date Mar 17, 2015
- Nippon Steel & Sumitomo Metal Corporation
- Kei Miyanishi
- C21 - METALLURGY OF IRON
Information Patent Grant
Mechanical component and rolling bearing
- Patent number 8,453,528
- Issue date Jun 4, 2013
- NTN Corporation
- Chikara Ohki
- C21 - METALLURGY OF IRON
Information Patent Grant
Swash plate type piston pump motor and method for manufacturing the...
- Patent number 8,425,699
- Issue date Apr 23, 2013
- Kawasaki Jukogyo Kabushiki Kaisha
- Takashi Mori
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing part, heat treatment method thereof, and rolling bearing
- Patent number 8,425,690
- Issue date Apr 23, 2013
- NTN CORPORATION
- Chikara Ohki
- C21 - METALLURGY OF IRON
Information Patent Grant
Mechanical component and rolling bearing
- Patent number 8,337,089
- Issue date Dec 25, 2012
- NTN Corporation
- Chikara Ohki
- C21 - METALLURGY OF IRON
Information Patent Grant
Ball for constant velocity joint and method for producing the same
- Patent number 8,317,943
- Issue date Nov 27, 2012
- Honda Motor Co., Ltd.
- Takafumi Murakami
- C21 - METALLURGY OF IRON
Information Patent Grant
Centrifugally cast external layer for rolling roll and method for m...
- Patent number 8,156,651
- Issue date Apr 17, 2012
- Hitachi Metals, Ltd.
- Kiyoshi Furushima
- C21 - METALLURGY OF IRON
Information Patent Grant
Rolling bearing
- Patent number 8,083,868
- Issue date Dec 27, 2011
- NSK Ltd.
- Shinji Fujita
- C21 - METALLURGY OF IRON
Information Patent Grant
Bearing's component, heat treatment method thereof, heat treatment...
- Patent number 8,002,907
- Issue date Aug 23, 2011
- NTN Corporation
- Chikara Ohki
- C21 - METALLURGY OF IRON

Patents Applicationslast 30 patents

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
FORGED GRINDING BALLS FOR SEMI-AUTOGENOUS GRINDER
- Publication number 20230071728
- Publication date Mar 9, 2023
- Magotteaux International SA
- Marc BABINEAU
- 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
HIGH SURFACE COMPRESSIVE STRESS FOR THROUGH HARDENING
- Publication number 20220010395
- Publication date Jan 13, 2022
- The Timken Company
- Mohan Chand Paladugu
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING PART AND ROLLING BEARING
- Publication number 20200378442
- Publication date Dec 3, 2020
- NTN CORPORATION
- Masahiro Yamada
- C23 - COATING METALLIC MATERIAL COATING MATERIAL WITH METALLIC MATERIAL CHEMI...
Information Patent Application
SHOT BALL HAVING EXCELLENT STRENGTH AND WEAR RESISTANCE AND METHOD...
- Publication number 20200087763
- Publication date Mar 19, 2020
- POSCO
- Sang-Chul LEE
- C21 - METALLURGY OF IRON
Information Patent Application
WORK PIECE CONVEYANCE JIG AND CONVEYANCE DEVICE PROVIDED WITH SAME,...
- Publication number 20190270595
- Publication date Sep 5, 2019
- NTN Corporation
- Yuuki TABUCHI
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT METHOD OF ROD-SHAPE WORKPIECE
- Publication number 20190241986
- Publication date Aug 8, 2019
- NTN Corporation
- Tsuneaki HIRAOKA
- C21 - METALLURGY OF IRON
Information Patent Application
HEAT TREATMENT EQUIPMENT AND HEAT TREATMENT METHOD
- Publication number 20190233911
- Publication date Aug 1, 2019
- NTN Corporation
- Tsuneaki HIRAOKA
- C21 - METALLURGY OF IRON
Information Patent Application
INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD
- Publication number 20190239291
- Publication date Aug 1, 2019
- NTN Corporation
- Shintaro SUZUKI
- C21 - METALLURGY OF IRON
Information Patent Application
COLD TREATMENT FOR IMPROVING THE LOAD-BEARING CAPACITY OF METALLIC...
- Publication number 20170321292
- Publication date Nov 9, 2017
- ZF Friedrichshafen AG
- Dirk LEIMANN
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD & METAL COMPONENT
- Publication number 20170081738
- Publication date Mar 23, 2017
- Aktiebolaget SKF
- Anna Isabella Flodstrom
- C21 - METALLURGY OF IRON
Information Patent Application
GRINDING MEDIA FABRICATION
- Publication number 20170008004
- Publication date Jan 12, 2017
- Donhad Pty Ltd
- Paul William Shelley
- B02 - CRUSHING, PULVERISING, OR DISINTEGRATING PREPARATORY TREATMENT OF GRAIN...
Information Patent Application
BEARING PART
- Publication number 20160333438
- Publication date Nov 17, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masashi SAKAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING PART, STEEL FOR BEARING PART AND METHOD FOR PRODUCING THEREOF
- Publication number 20160333437
- Publication date Nov 17, 2016
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masashi SAKAMOTO
- C21 - METALLURGY OF IRON
Information Patent Application
A STEEL ALLOY AND A COMPONENT COMPRISING SUCH A STEEL ALLOY
- Publication number 20160298225
- Publication date Oct 13, 2016
- Erasteel
- Johanna Olofsson
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING STEEL
- Publication number 20160251744
- Publication date Sep 1, 2016
- Aktiebolaget SKF
- Hanzheng HUANG
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING PART, ROLLING BEARING, AND METHOD OF MANUFACTURING BEARING...
- Publication number 20160178009
- Publication date Jun 23, 2016
- NTN Corporation
- Daisuke SATO
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING STEEL HAVING IMPROVED FATIGUE DURABILITY AND METHOD OF MANU...
- Publication number 20160145702
- Publication date May 26, 2016
- Hyundai Motor Company
- Sung-Chul Cha
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD & STEEL COMPONENT
- Publication number 20150240341
- Publication date Aug 27, 2015
- Staffan Larsson
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD OF MANUFACTURING MACHINE COMPONENT
- Publication number 20150240342
- Publication date Aug 27, 2015
- NTN Corporation
- Takumi Fujita
- C21 - METALLURGY OF IRON
Information Patent Application
Process For Heat Treatment of Parts Made From Low and Specified Har...
- Publication number 20150232969
- Publication date Aug 20, 2015
- Anatoly Alexeevich Kuznetsov
- C21 - METALLURGY OF IRON
Information Patent Application
ROLLED WIRE ROD AND MANUFACTURING METHOD THEREOF
- Publication number 20150167112
- Publication date Jun 18, 2015
- NIPPON STEEL & SUMITOMO METAL CORPORATION
- Masashi Sakamoto
- C21 - METALLURGY OF IRON
Information Patent Application
ROLLING BEARING AND ITS MANUFACTURING METHOD
- Publication number 20140363115
- Publication date Dec 11, 2014
- NSK Ltd.
- Hiroki Yamada
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING PART, ROLLING BEARING, AND METHODS OF MANUFACTURING THEM
- Publication number 20140348454
- Publication date Nov 27, 2014
- NTN CORPORATION
- Takashi Ueno
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING STEEL AND METHOD FOR PRODUCING SAME
- Publication number 20140261906
- Publication date Sep 18, 2014
- Masayuki Hashimura
- C21 - METALLURGY OF IRON
Information Patent Application
METHOD AND STEEL COMPONENT
- Publication number 20140209214
- Publication date Jul 31, 2014
- Thore Lund
- C21 - METALLURGY OF IRON
Information Patent Application
Thermo-mechanical Process for Martensitic Bearing Steels
- Publication number 20140182747
- Publication date Jul 3, 2014
- Aktiebolaget SKF
- Bryan A. McCoy
- C21 - METALLURGY OF IRON
Information Patent Application
BEARING COMPONENT AND METHOD FOR SURFACE HARDENING
- Publication number 20140144558
- Publication date May 29, 2014
- Marco Burtchen
- C21 - METALLURGY OF IRON

for balls for rollers

Industry

Parent Industries

Current Industry

Patents Grantslast 30 patents

Heat treatment equipment and heat treatment method

Heat treatment method of rod-shape workpiece

Work piece conveyance jig and conveyance device provided with same,...

Method of imparting compressive residual stress to balls

Steel alloy and a component comprising such a steel alloy

Bearing part

Method and steel component

Bearing steel

Process for heat treatment of parts made from low and specified har...

Method and steel component

Gas nitrocarburizing method and method for manufacturing bearing part

Bearing part, rolling bearing, and method for manufacturing bearing...

Method and steel component

Tapered roller bearing

Method of forming a bearing component

Manufacturing process for aerospace bearing rolling elements

Bearing steel and method for producing same

Bearing steel material with excellent rolling fatigue property and...

Bearing part, rolling bearing, and methods of manufacturing them

Rolled wire rod and manufacturing method thereof

Carbonitriding method, machinery component fabrication method, and...

Case hardening steel, carburized component, and manufacturing metho...

Mechanical component and rolling bearing

Swash plate type piston pump motor and method for manufacturing the...

Bearing part, heat treatment method thereof, and rolling bearing

Mechanical component and rolling bearing

Ball for constant velocity joint and method for producing the same

Centrifugally cast external layer for rolling roll and method for m...

Rolling bearing

Bearing's component, heat treatment method thereof, heat treatment...

Patents Applicationslast 30 patents

FORGED STEEL ROLL FOR COLD ROLLING

FORGED GRINDING BALLS FOR SEMI-AUTOGENOUS GRINDER

ROLLING BEARING

METHOD OF HEAT TREATING A STEEL COMPONENT

HIGH SURFACE COMPRESSIVE STRESS FOR THROUGH HARDENING

BEARING PART AND ROLLING BEARING

SHOT BALL HAVING EXCELLENT STRENGTH AND WEAR RESISTANCE AND METHOD...

WORK PIECE CONVEYANCE JIG AND CONVEYANCE DEVICE PROVIDED WITH SAME,...

HEAT TREATMENT METHOD OF ROD-SHAPE WORKPIECE

HEAT TREATMENT EQUIPMENT AND HEAT TREATMENT METHOD

INDUCTION HEATING APPARATUS AND INDUCTION HEATING METHOD

COLD TREATMENT FOR IMPROVING THE LOAD-BEARING CAPACITY OF METALLIC...

METHOD & METAL COMPONENT

GRINDING MEDIA FABRICATION

BEARING PART

BEARING PART, STEEL FOR BEARING PART AND METHOD FOR PRODUCING THEREOF

A STEEL ALLOY AND A COMPONENT COMPRISING SUCH A STEEL ALLOY

BEARING STEEL

BEARING PART, ROLLING BEARING, AND METHOD OF MANUFACTURING BEARING...

BEARING STEEL HAVING IMPROVED FATIGUE DURABILITY AND METHOD OF MANU...

METHOD & STEEL COMPONENT

METHOD OF MANUFACTURING MACHINE COMPONENT

Process For Heat Treatment of Parts Made From Low and Specified Har...

ROLLED WIRE ROD AND MANUFACTURING METHOD THEREOF

ROLLING BEARING AND ITS MANUFACTURING METHOD

BEARING PART, ROLLING BEARING, AND METHODS OF MANUFACTURING THEM

BEARING STEEL AND METHOD FOR PRODUCING SAME

METHOD AND STEEL COMPONENT

Thermo-mechanical Process for Martensitic Bearing Steels

BEARING COMPONENT AND METHOD FOR SURFACE HARDENING