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B21C37/205
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21C
MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C37/00
Manufacture of metal sheets, bars, wire, tubes or like semi-manufactured products, not otherwise provided for Manufacture of tubes of special shape
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B21C37/205
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Patents Grants
last 30 patents
Information
Patent Grant
Heat transfer surface
Patent number
11,221,185
Issue date
Jan 11, 2022
Wieland-Werke AG
Evraam Gorgy
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Heat transfer surface
Patent number
10,415,893
Issue date
Sep 17, 2019
Wieland-Werke AG
Evraam Gorgy
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method and device for manufacturing a corrugated metal pipe
Patent number
9,199,294
Issue date
Dec 1, 2015
Nexans
Nico Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Deformable element of a steering wheel spindle in the form of a cor...
Patent number
7,841,063
Issue date
Nov 30, 2010
Thyssenkrupp Presta Aktiengesellschaft
Christian Lutz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Deformable member
Patent number
7,316,271
Issue date
Jan 8, 2008
Zeroth Technology Limited
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Split die for forming grooved workpiece
Patent number
7,237,424
Issue date
Jul 3, 2007
Avdel Uk Limited
Derek Crutchley
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pre-beading method and apparatus
Patent number
7,159,428
Issue date
Jan 9, 2007
Met-Coil Systems Corporation
Leland M. Rieck
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Deformable member
Patent number
7,134,506
Issue date
Nov 14, 2006
Baker Hughes Incorporated
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steering gear shaft for a steering column of a motor vehicle
Patent number
6,908,109
Issue date
Jun 21, 2005
Thyssenkrupp Presta Aktiengesellschaft
Christian Lutz
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Deformable member
Patent number
6,896,049
Issue date
May 24, 2005
Zeroth Technology Ltd.
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Steering gear shaft for a steering column of a motor vehicle
Patent number
6,896,290
Issue date
May 24, 2005
ThyssenKrupp Presta Aktiengessellschaft
Christian Lutz
B62 - LAND VEHICLES FOR TRAVELLING OTHERWISE THAN ON RAILS
Information
Patent Grant
Method for producing seamless tube with grooved inner surface
Patent number
6,834,523
Issue date
Dec 28, 2004
Kabushiki Kaisha Kobe Seiko Sho
Nobuaki Hinago
F28 - HEAT EXCHANGE IN GENERAL
Information
Patent Grant
Method for forming inner flanges in a bushing which is used to secu...
Patent number
6,817,098
Issue date
Nov 16, 2004
Chin-Chen Yuan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Tube corrugating apparatus and method
Patent number
6,619,089
Issue date
Sep 16, 2003
John Doherty
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for producing annularly corrugated metal tubes
Patent number
6,550,300
Issue date
Apr 22, 2003
Nexans
Ernst Hoffmann
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and machine for making a finned body
Patent number
6,295,855
Issue date
Oct 2, 2001
Interproperty N.V.
Per Gillbrand
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for creating a mechanical joint in an engine oil cooler
Patent number
6,131,281
Issue date
Oct 17, 2000
Caterpillar Inc.
Roy Morley
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Device for corrugating tubes
Patent number
6,073,473
Issue date
Jun 13, 2000
Alcatel
Gerhard Ziemek
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Metal tube and electric cable using the same
Patent number
5,646,372
Issue date
Jul 8, 1997
Hitachi Cable Ltd.
Takashi Sasaki
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Method for forming threadings in a bushing which is used to secure...
Patent number
5,517,844
Issue date
May 21, 1996
Chin-Chen Yuan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Procedure for manufacturing corrugated tubes
Patent number
5,396,789
Issue date
Mar 14, 1995
Melchor D. Castellon
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process and a device for the production of grooves on a wall of rev...
Patent number
4,838,066
Issue date
Jun 13, 1989
Escofier Technologie, S.A.
Charles Marcon
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Heat pipe
Patent number
4,440,215
Issue date
Apr 3, 1984
Q-dot Corporation
George M. Grover
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of producing heat transfer tube for use in boiling type heat...
Patent number
4,313,248
Issue date
Feb 2, 1982
Fukurawa Metals Co., Ltd.
Jun Fujikake
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Rolling mill for forming cross ribbed pipes
Patent number
4,312,207
Issue date
Jan 26, 1982
Zaklad Doswiadczalny Przy Zakladach Urzadzen Chemiczynch "Metalchem"
Janusz Przybyla
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Heat transfer tube for use in boiling type heat exchangers and meth...
Patent number
4,216,826
Issue date
Aug 12, 1980
Furukawa Metals Co., Ltd.
Jun Fujikake
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Corrugated metal tube
Patent number
4,186,779
Issue date
Feb 5, 1980
Dayco Corporation
William T. Wagner
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for manufacturing heat transfer tubes
Patent number
4,175,416
Issue date
Nov 27, 1979
Hitachi, Ltd.
Toshihiko Fukushima
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of forming hollow cylindrical parts with internal contours
Patent number
4,126,029
Issue date
Nov 21, 1978
General Electric Company
Pracheeschwar S. Mathur
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Tubular coiled heat exchanger and device for manufacturing same
Patent number
4,116,270
Issue date
Sep 26, 1978
Ruf Fedorovich Marushkin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
HEAT TRANSFER SURFACE
Publication number
20190346213
Publication date
Nov 14, 2019
Wieland-Werke AG
Evraam GORGY
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD AND DEVICE FOR MANUFACTURING A CORRUGATED METAL PIPE
Publication number
20150068263
Publication date
Mar 12, 2015
NEXANS
Nico Lange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Tube Type Heat Exchanger and Manufacturing Method of the Same
Publication number
20120325443
Publication date
Dec 27, 2012
Sumitomo Heavy Industries Process Equipment Co., Ltd.
Tetsuya Miyata
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of producing a very light weight finned tube heat exchanger
Publication number
20110061846
Publication date
Mar 17, 2011
Wayne Stuart Morris
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Deformable element, of a steering wheel spindle in the form of a co...
Publication number
20080314189
Publication date
Dec 25, 2008
Christian Lutz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Heat exchanger for refrigerator and method for manufacturing a tube...
Publication number
20070256824
Publication date
Nov 8, 2007
SAMSUNG GWANGJU ELECTRONICS CO., LTD.
Seung Jin Kim
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
HEAT SINK AND METHOD FOR MANUFACTURING THE SAME
Publication number
20070236884
Publication date
Oct 11, 2007
Foxconn Technology Co., Ltd.
Wan-Lin Xia
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Deformable member
Publication number
20070029080
Publication date
Feb 8, 2007
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Deformable member
Publication number
20050263296
Publication date
Dec 1, 2005
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Split die for forming grooved workpiece
Publication number
20050233813
Publication date
Oct 20, 2005
Derek Crutchley
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Furniture structure having a bamboo-like shape
Publication number
20050188739
Publication date
Sep 1, 2005
Chung-Li Shieh
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Pre-beading method and apparatus
Publication number
20050072203
Publication date
Apr 7, 2005
MET-COIL SYSTEMS CORPORATION
Leland M. Rieck
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Mold assembly for forming annular bulges on tube
Publication number
20040187541
Publication date
Sep 30, 2004
Guo Jen Huang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for forming inner flanges in a bushing which is used to secu...
Publication number
20040134056
Publication date
Jul 15, 2004
Chin-Chen Yuan
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Application
Deformable member
Publication number
20030217844
Publication date
Nov 27, 2003
Peter Barnes Moyes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method for producing seamless tube with groved inner surface
Publication number
20030182979
Publication date
Oct 2, 2003
Kabushiki Kaisha Kobe Seiko Sho(Kobe Steel, Ltd.)
Nobuaki Hinago
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Steering gear shaft for a steering column of a motor vehicle
Publication number
20030173764
Publication date
Sep 18, 2003
Christian Lutz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Steering gear shaft for a steering column of a motor vehicle
Publication number
20030173765
Publication date
Sep 18, 2003
Christian Lutz
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Tube corrugating apparatus and method
Publication number
20020178773
Publication date
Dec 5, 2002
John Doherty
H01 - BASIC ELECTRIC ELEMENTS
Information
Patent Application
Apparatus for producing annularly corrugated metal tubes
Publication number
20020029598
Publication date
Mar 14, 2002
NEXANS
Ernst Hoffmann
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...