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ball-races or sliding bearing races
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B21K1/04
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PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21K
MAKING FORGED OR PRESSED METAL PRODUCTS
B21K1/00
Making machine elements
Current Industry
B21K1/04
ball-races or sliding bearing races
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Patents Grants
last 30 patents
Information
Patent Grant
Forged outer ring
Patent number
11,867,232
Issue date
Jan 9, 2024
Aktiebolaget SKF
Volker Wendt
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and device for manufacturing bearing unit
Patent number
11,162,538
Issue date
Nov 2, 2021
NSK Ltd.
Nobuyuki Hagiwara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for non-cutting manufacturing of a bearing ring for a rollin...
Patent number
11,105,373
Issue date
Aug 31, 2021
Schaeffler Technologies AG & Co. KG
Reinhard Kick-Rodenbuecher
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for processing precision forging of bearing ring
Patent number
10,632,524
Issue date
Apr 28, 2020
Shanghai Dianji University
Lei Li
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method and device for manufacturing bearing unit
Patent number
10,557,505
Issue date
Feb 11, 2020
NSK Ltd.
Nobuyuki Hagiwara
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Method for producing an internally structured slide bearing bushing
Patent number
10,533,605
Issue date
Jan 14, 2020
Wieland-Werke AG
Gerhard Thumm
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Angular contact ball bearing having a cold-formed bearing ring, and...
Patent number
10,465,744
Issue date
Nov 5, 2019
Scjaeffer Technologies AG & Co. KG
Rainer Eidloth
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing ring-shaped member
Patent number
10,272,485
Issue date
Apr 30, 2019
NSK Ltd.
Kazuto Kobayashi
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Grant
Method for manufacturing cylindrical ring member, bearing, clutch,...
Patent number
10,213,825
Issue date
Feb 26, 2019
NSK Ltd.
Kouhei Mori
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of producing roughly shaped material for rolling bearing
Patent number
10,144,984
Issue date
Dec 4, 2018
Nippon Steel & Sumitomo Metal Corporation
Takefumi Yano
C21 - METALLURGY OF IRON
Information
Patent Grant
Method for manufacturing bearing ring member
Patent number
10,137,541
Issue date
Nov 27, 2018
NSK Ltd.
Masahito Yamamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Recirculating ball nut, assembly for a ballscrew drive and method f...
Patent number
10,119,600
Issue date
Nov 6, 2018
TRW Automotive GmbH
Peter Urban
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ball screw and manufacturing method of nut for ball screw
Patent number
9,737,926
Issue date
Aug 22, 2017
NSK Ltd.
Toru Harada
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a vehicle seat fitting
Patent number
9,623,772
Issue date
Apr 18, 2017
Keiper GmbH & Co. KG
Christian Jokiel
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for producing a formed part furnished with a through hole
Patent number
9,545,660
Issue date
Jan 17, 2017
Hatebur Umformmaschinen AG
Christian Burgin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for manufacturing rolling contact member, process for manuf...
Patent number
9,346,097
Issue date
May 24, 2016
NTN Corporation
Kikuo Maeda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Bearing assemblies, apparatuses, and motor assemblies using the same
Patent number
9,297,411
Issue date
Mar 29, 2016
U.S. Synthetic Corporation
S Barrett Peterson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a molded part provided with a through-hole
Patent number
9,120,142
Issue date
Sep 1, 2015
Hatebur Umformmaschinen AG
Andreas Matt
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing method for bearing outer ring
Patent number
9,056,375
Issue date
Jun 16, 2015
NSK, Ltd.
Kazuto Kobayashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacturing method of a drawn cup needle roller bearing having se...
Patent number
8,966,767
Issue date
Mar 3, 2015
NSK Ltd.
Tomohiro Kudou
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing nut for ball screw and ball screw
Patent number
8,950,283
Issue date
Feb 10, 2015
NSK Ltd.
Atsushi Watanabe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a lubricant feed line of a thrust bearing
Patent number
8,747,053
Issue date
Jun 10, 2014
Continental Automotive GmbH
Dirk Frankenstein
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Production method of rotating device having thrust dynamic pressure...
Patent number
8,631,677
Issue date
Jan 21, 2014
Samsung Electro-Mechanics Japan Advanced Technology Co., Ltd.
Yasuo Fukuzako
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing a bearing ring member
Patent number
8,424,205
Issue date
Apr 23, 2013
NSK, Ltd.
Kazuto Kobayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing method for bearing outer ring
Patent number
8,424,208
Issue date
Apr 23, 2013
NSK, Ltd.
Kazuto Kobayashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Supporting track element for linear ball bearing and method for pro...
Patent number
8,425,117
Issue date
Apr 23, 2013
Schaeffler Technologies AG & Co. KG
Udo Klein
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Linear ball bearing and supporting race element for the same
Patent number
8,408,794
Issue date
Apr 2, 2013
Schaeffler Technologies AG & Co. KG
Rainer Kleber
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Blank for a ring member of a bearing, manufacturing method for the...
Patent number
8,197,949
Issue date
Jun 12, 2012
Seiko Instruments Inc.
Hironobu Itoh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing method of a drawn cup needle roller bearing having se...
Patent number
8,177,435
Issue date
May 15, 2012
NSK Ltd.
Tomohiro Kudou
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Hydrodynamic bearing device
Patent number
7,946,770
Issue date
May 24, 2011
NTN Corporation
Tatsuya Hayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING METHOD OF BALL SCREW USING ROLLING MACHINE
Publication number
20240139798
Publication date
May 2, 2024
Hitachi Astemo, Ltd.
Kinichi HASHIMOTO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BEARING ELEMENT MANUFACTURING METHOD, BEARING MANUFACTURING METHOD,...
Publication number
20230160431
Publication date
May 25, 2023
NSK Ltd.
Kouhei MORI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
APPARATUS AND PROCESS FOR PRODUCING BLANKS OF RINGS OR TUBULAR MEMBERS
Publication number
20230076653
Publication date
Mar 9, 2023
Giuseppe SALVADORI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND DEVICE FOR MANUFACTURING BEARING UNIT
Publication number
20200102987
Publication date
Apr 2, 2020
NSK Ltd.
Nobuyuki HAGIWARA
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR NON-CUTTING MANUFACTURING OF A BEARING RING FOR A ROLLIN...
Publication number
20200088237
Publication date
Mar 19, 2020
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Reinhard KICK-RODENBUECHER
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method and Device for Producing a Ring-Shaped Formed Part
Publication number
20180297108
Publication date
Oct 18, 2018
Hatebur Umformmaschinen AG
Andreas MATT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PROCESSING PRECISION FORGING OF BEARING RING
Publication number
20180272420
Publication date
Sep 27, 2018
Shanghai Dianji University
Lei LI
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR MANUFACTURING CYLINDRICAL RING MEMBER, BEARING, CLUTCH,...
Publication number
20180257131
Publication date
Sep 13, 2018
NSK Ltd.
Kouhei MORI
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
METHOD AND DEVICE FOR MANUFACTURING BEARING UNIT
Publication number
20180202495
Publication date
Jul 19, 2018
NSK Ltd.
Nobuyuki HAGIWARA
F16 - ENGINEERING ELEMENTS AND UNITS GENERAL MEASURES FOR PRODUCING AND MAINT...
Information
Patent Application
Method for Manufacturing Ring-Shaped Member
Publication number
20170173658
Publication date
Jun 22, 2017
Kazuto KOBAYASHI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Recirculating Ball Nut, Assembly For A Ballscrew Drive And Method F...
Publication number
20170030448
Publication date
Feb 2, 2017
TRW AUTOMOTIVE GMBH
Peter Urban
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Application
BALL SCREW AND MANUFACTURING METHOD OF NUT FOR BALL SCREW
Publication number
20150283600
Publication date
Oct 8, 2015
NSK Ltd.
Toru Harada
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PRODUCING A VEHICLE SEAT FITTING
Publication number
20140354024
Publication date
Dec 4, 2014
KEIPER GmbH & Co. KG
Christian Jokiel
B60 - VEHICLES IN GENERAL
Information
Patent Application
METHOD FOR PRODUCING A BEARING RING, IN PARTICULAR FOR A TAPERED RO...
Publication number
20140068947
Publication date
Mar 13, 2014
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Markus Mantau
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MANUFACTURING METHOD FOR BEARING OUTER RING
Publication number
20130205593
Publication date
Aug 15, 2013
NSK Ltd.
Kazuto Kobayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BEARING ASSEMBLIES, APPARATUSES, AND MOTOR ASSEMBLIES USING THE SAME
Publication number
20130156357
Publication date
Jun 20, 2013
US Synthetic Corporation
S. Barrett Peterson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Manufacturing Nut for Ball Screw and Ball Screw
Publication number
20130008275
Publication date
Jan 10, 2013
NSK LTD.
Atsushi Watanabe
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Ball Screw and Manufacturing Method of Nut for Ball Screw
Publication number
20120325036
Publication date
Dec 27, 2012
NSK Ltd.
Toru Harada
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Producing a Formed Part Furnished with a Through Hole
Publication number
20120266643
Publication date
Oct 25, 2012
Hatebur Umformmaschinen AG
Christian Burgin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Manufacturing Mechanical Part Excellent in Rolling Fatig...
Publication number
20120210765
Publication date
Aug 23, 2012
SANYO SPECIAL STEEL CO., LTD.
Toshihusa Nakamizo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MANUFACTURING METHOD OF A DRAWN CUP NEEDLE ROLLER BEARING HAVING SE...
Publication number
20120192426
Publication date
Aug 2, 2012
NSK Ltd.
Tomohiro Kudou
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PROCESS FOR MANUFACTURING ROLLING CONTACT MEMBER, PROCESS FOR MANUF...
Publication number
20120137523
Publication date
Jun 7, 2012
NTN Corporation
Kikuo Maeda
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Method for Producing a Molded Part Provided with a Through-Hole
Publication number
20110193257
Publication date
Aug 11, 2011
Hatebur Umformmaschinen AG
Andreas Matt
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRODUCTION METHOD OF ROTATING DEVICE HAVING THRUST DYNAMIC PRESSURE...
Publication number
20110154875
Publication date
Jun 30, 2011
ALPHANA Technology Co., Ltd.
Yasuo FUKUZAKO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for Producing a Lubricant Feed Line of a Thrust Bearing
Publication number
20110052389
Publication date
Mar 3, 2011
CONTINENTAL AUTOMOTIVE GMBH
Dirk Frankenstein
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
LINEAR BALL BEARING AND SUPPORTING RACE ELEMENT FOR THE SAME, AND P...
Publication number
20100189381
Publication date
Jul 29, 2010
Schaeffler KG
Rainer KLEBER
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR THE PRODUCTION OF A ROLLER BEARING WITHOUT MACHINING
Publication number
20100172606
Publication date
Jul 8, 2010
Schaeffler KG
Erich Lunz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
SUPPORTING TRACK ELEMENT FOR LINEAR BALL BEARING AND METHOD FOR PRO...
Publication number
20100111456
Publication date
May 6, 2010
Schaeffler KG
Udo Klein
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MANUFACTURING METHOD FOR BEARING OUTER RING
Publication number
20100101091
Publication date
Apr 29, 2010
NSK Ltd.
Kazuto Kobayashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
METHOD FOR MANUFACTURING A BEARING RING MEMBER
Publication number
20100058591
Publication date
Mar 11, 2010
NSK Ltd.
Kazuto Kobayashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...