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B21K1/761
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21K
MAKING FORGED OR PRESSED METAL PRODUCTS
B21K1/00
Making machine elements
Current Industry
B21K1/761
rings
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Patents Grants
last 30 patents
Information
Patent Grant
Beryllium copper alloy ring and method for producing same
Patent number
11,746,404
Issue date
Sep 5, 2023
NGK Insulators, Ltd.
Kensuke Ishii
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Ring molded article manufacturing method and ring material
Patent number
11,208,910
Issue date
Dec 28, 2021
Hitachi Metals, Ltd.
Jun Ohsone
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for manufacturing outer ring of constant velocity joint
Patent number
11,033,953
Issue date
Jun 15, 2021
JTEKT Corporation
Isashi Kashiwagi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a synchronizer ring and associated synchronize...
Patent number
11,009,082
Issue date
May 18, 2021
Diehl Metall Stiftung & Co. KG
Murat Arbak
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for producing a ring-shaped or plate-like element
Patent number
10,684,102
Issue date
Jun 16, 2020
Schott AG
Helmut Hartl
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Ring molded article manufacturing method and ring material
Patent number
10,519,795
Issue date
Dec 31, 2019
Hitachi Metals, Ltd.
Jun Ohsone
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Forming method of forging of 718 Plus alloy
Patent number
10,427,211
Issue date
Oct 1, 2019
Hua Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Material for ring rolling
Patent number
10,094,238
Issue date
Oct 9, 2018
Hitachi Metals, Ltd.
Tetsuya Yagami
F01 - MACHINES OR ENGINES IN GENERAL ENGINE PLANTS IN GENERAL STEAM ENGINES
Information
Patent Grant
Manufacturing method for material for ring rolling
Patent number
9,719,369
Issue date
Aug 1, 2017
Hitachi Metals, Ltd.
Tetsuya Yagami
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for forming non-rectangular section ring from rectangular se...
Patent number
9,662,701
Issue date
May 30, 2017
GUIZHOU ANDA AVIATION FORGING CO., LTD.
Zhijian Wei
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
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 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
Ring manufacturing method, apparatus of the same and ring
Patent number
8,661,682
Issue date
Mar 4, 2014
Mokumeganeya Co., Ltd.
Masaki Takahashi
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Metal manufacturing method, apparatus of the same and metal object
Patent number
8,590,357
Issue date
Nov 26, 2013
Mokumeganeya Co., Ltd.
Masaki Takahashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Tool for rammer die-cutting
Patent number
8,181,501
Issue date
May 22, 2012
SNECMA
Georgio Mariani
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
Inner ring for constant velocity universal joint and manufacturing...
Patent number
7,967,685
Issue date
Jun 28, 2011
NTN Corporation
Nobuo Suzuki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Composite metal extrusions and a process for producing composite me...
Patent number
7,942,308
Issue date
May 17, 2011
Steven G. Midgett
A44 - HABERDASHERY JEWELLERY
Information
Patent Grant
Composite metal tube and ring and a process for producing a composi...
Patent number
7,735,714
Issue date
Jun 15, 2010
Steven G. Midgett
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Parting tool
Patent number
6,615,632
Issue date
Sep 9, 2003
Mannesmann AG
Roland Stephan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Process of forming annular member from cylindrical member having ra...
Patent number
6,339,948
Issue date
Jan 22, 2002
Toyota Jidosha Kabushiki Kaisha
Takashi Suzumura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing traction rollers for continuously variable...
Patent number
6,282,789
Issue date
Sep 4, 2001
Nissan Motor Co., Ltd.
Nobuo Kino
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Thin-walled ring-shaped member and method of manufacturing same
Patent number
6,223,574
Issue date
May 1, 2001
Suncall Corporation
Keiichiro Teratoko
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Manufacture of a jewelry ring having inner lips at edges thereof an...
Patent number
6,026,572
Issue date
Feb 22, 2000
Tapia Accessory Group, Inc.
Vincent J. Caldaro
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of manufacturing traction rollers for continuously variable...
Patent number
5,976,053
Issue date
Nov 2, 1999
Nissan Motor Co., Ltd.
Nobuo Kino
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Band material, ring blank, orthodontic band and method of making
Patent number
5,911,575
Issue date
Jun 15, 1999
TP Orthodontics, Inc.
Thrumal Devanathan
A61 - MEDICAL OR VETERINARY SCIENCE HYGIENE
Information
Patent Grant
Method and system for warm or hot high-velocity die forging
Patent number
5,894,752
Issue date
Apr 20, 1999
Sanyo Special Steel Co., Ltd.
Masakazu Yano
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process and device for the continuous, chipless separation of indiv...
Patent number
5,868,050
Issue date
Feb 9, 1999
Mannesmann Aktiengesellschaft
Fritz Feldmeier
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method of producing a circular fibre-reinforced metal article, and...
Patent number
5,642,851
Issue date
Jul 1, 1997
Societe Nationale d'Etude et de Construction de Moteurs d'Aviation "SNECMA"
Jean-Claude Berthelemy
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
METAL RINGS FORMED FROM BERYLLIUM-COPPER ALLOYS
Publication number
20230151474
Publication date
May 18, 2023
MATERION CORPORATION
Jeffrey M. Schirm
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
METHOD OF MAKING AN INTERAXLE DIFFERENTIAL UNIT AND AN ANNULAR CASE
Publication number
20220290750
Publication date
Sep 15, 2022
ArvinMeritor Technology, LLC
Joseph Melekian
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BERYLLIUM COPPER ALLOY RING AND METHOD FOR PRODUCING SAME
Publication number
20210301384
Publication date
Sep 30, 2021
NGK Insulators, Ltd.
Kensuke ISHII
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METAL RINGS FORMED FROM BERYLLIUM-COPPER ALLOYS
Publication number
20200362444
Publication date
Nov 19, 2020
MATERION CORPORATION
Jeffrey M. Schirm
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
RING MOLDED ARTICLE MANUFACTURING METHOD AND RING MATERIAL
Publication number
20200088057
Publication date
Mar 19, 2020
Nippon Institute of Technology
JUN OHSONE
C22 - METALLURGY FERROUS OR NON-FERROUS ALLOYS TREATMENT OF ALLOYS OR NON-FER...
Information
Patent Application
LIGHT WEIGHT INSERTS FOR PISTON RINGS, METHODS OF MANUFACTURING THE...
Publication number
20200070240
Publication date
Mar 5, 2020
GM GLOBAL TECHNOLOGY OPERATIONS LLC
Jeremy R. Kirklin
B22 - CASTING POWDER METALLURGY
Information
Patent Application
METHOD FOR PRODUCING A SYNCHRONIZER RING AND ASSOCIATED SYNCHRONIZE...
Publication number
20190055994
Publication date
Feb 21, 2019
DIEHL METALL STIFTUNG & CO. KG
MURAT ARBAK
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
TOOL AND METHOD FOR FORMING SURFACE FEATURES ONTO A WORKPIECE
Publication number
20180036791
Publication date
Feb 8, 2018
SCHAEFFLER TECHNOLOGIES AG & CO. KG
Timothy SIMON
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR MANUFACTURING OUTER RING OF CONSTANT VELOCITY JOINT
Publication number
20170326621
Publication date
Nov 16, 2017
JTEKT Corporation
Isashi KASHIWAGI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Article, Method of Forming an Article and Apparatus for Forming an...
Publication number
20160302540
Publication date
Oct 20, 2016
ALLIED GOLD LIMITED
Christopher Quayle
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MATERIAL FOR RING ROLLING
Publication number
20160281530
Publication date
Sep 29, 2016
Hitachi Metals, Ltd.
Tetsuya Yagami
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD OF MANUFACTURING DOOR FRAME FOR WIND TOWER
Publication number
20130125605
Publication date
May 23, 2013
PSM, INC.
Dong-soo SHIN
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
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
RING MANUFACTURING METHOD, APPARATUS OF THE SAME AND RING
Publication number
20120079720
Publication date
Apr 5, 2012
Masaki Takahashi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
CHARGING DEVICE FOR A BUSH EXPANDER FOR PUNCHED BUSH BLANKS MADE OF...
Publication number
20110302980
Publication date
Dec 15, 2011
Brighton Equipment Corporation Limited
Siegfried GRÖNE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
METAL MANUFACTURING METHOD, APPARATUS OF THE SAME AND METAL OBJECT
Publication number
20110113849
Publication date
May 19, 2011
Masaki Takahashi
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
BUSH WIDENING APPARATUS AND PROCESS FOR FORGING A BUSH BLANK
Publication number
20110083486
Publication date
Apr 14, 2011
Peter Bierhalter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Inner Ring for Constant Velocity Universal Joint and Manufacturing...
Publication number
20100227695
Publication date
Sep 9, 2010
NTN CORPORATION
Nobuo Suzuki
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Composite Metal Extrusions and a Process for Producing Composite Me...
Publication number
20100227193
Publication date
Sep 9, 2010
Steven G. Midgett
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Dynamic Centering Fixture with Hydraulic Load Delivery Compensation
Publication number
20100101298
Publication date
Apr 29, 2010
Peter T. Carstensen
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
SHEET METAL STRUCTURE, AND METHOD OF MAKING A SHEET METAL STRUCTURE
Publication number
20100092265
Publication date
Apr 15, 2010
BENTELER AUTOMOBILTECHNIK GMBH
Horst Hinzpeter
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
DRAWN CUP NEEDLE ROLLER BEARING HAVING SEAL RING AND MANUFACTURING...
Publication number
20100054651
Publication date
Mar 4, 2010
NSK Ltd.
Tomohiro Kudou
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Hot pressing process, particularly for providing metal unions for p...
Publication number
20100028101
Publication date
Feb 4, 2010
OLAB S.r.l.
Cesare Bottura
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of making a ring
Publication number
20090301162
Publication date
Dec 10, 2009
Yahya Hodjat
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
TOOL FOR RAMMER DIE-CUTTING
Publication number
20090000452
Publication date
Jan 1, 2009
SNECMA
Georgio MARIANI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND DEVICE FOR PRODUCING METAL RINGS
Publication number
20080250838
Publication date
Oct 16, 2008
Torsten Flugge
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Composite metal tube and ring and a process for producing a composi...
Publication number
20060261135
Publication date
Nov 23, 2006
Steven G. Midgett
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR