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the mandrel being flexible and engaging the entire tube length
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B21D9/01
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Parent Industries
B
PERFORMING OPERATIONS TRANSPORTING
B21
Mechanical metalworking
B21D
WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING METAL
B21D9/00
Bending tubes using mandrels or the like
Current Industry
B21D9/01
the mandrel being flexible and engaging the entire tube length
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Patents Grants
last 30 patents
Information
Patent Grant
Systems, apparatuses, and methods for bending a thermocouple tube
Patent number
11,701,698
Issue date
Jul 18, 2023
Cryoport, Inc.
Ben Lee
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Elastic double-support variable-diameter mandrel for bending of air...
Patent number
11,331,709
Issue date
May 17, 2022
Zhejiang University
Shuyou Zhang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending and molding mechanism
Patent number
10,780,481
Issue date
Sep 22, 2020
Jiangsu University of Science and Technology Industrial Technology Research I...
Wenxian Tang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for the individualized adaptation of the shape of components
Patent number
10,493,513
Issue date
Dec 3, 2019
ThyssenKrupp Steel Europe AG
Andreas Cott
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Device and method for bending pipes for pipelines
Patent number
10,441,987
Issue date
Oct 15, 2019
Maats Beheer B.V.
Oliver Baum
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for determining filler types for press bending of pipes
Patent number
10,423,734
Issue date
Sep 24, 2019
Hamid Reza Abbasi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Methods for bending thin-walled tubes
Patent number
10,010,921
Issue date
Jul 3, 2018
Hamid Reza Abbasi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Press bending of pipes
Patent number
9,943,897
Issue date
Apr 17, 2018
Hamid Reza Abbasi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel support device for tube bending machine
Patent number
9,937,545
Issue date
Apr 10, 2018
Kooima Company
Nathan Van Zweden
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for manufacturing a split link for use in a flexible tube be...
Patent number
9,555,460
Issue date
Jan 31, 2017
Tennine Corp.
William Q. Tingley
B23 - MACHINE TOOLS METAL-WORKING NOT OTHERWISE PROVIDED FOR
Information
Patent Grant
Apparatus and method of manufacturing a split link for use in a fle...
Patent number
9,289,811
Issue date
Mar 22, 2016
Tennine Corp.
William Q. Tingley
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Motor vehicle pedals and manufacturing methods thereof
Patent number
8,833,129
Issue date
Sep 16, 2014
Batz, S. Coop.
Fernando Burguera Albizuri
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Motor vehicle pedals and manufacturing methods thereof
Patent number
8,695,393
Issue date
Apr 15, 2014
Batz, S. Coop.
Fernando Burguera Albizuri
B60 - VEHICLES IN GENERAL
Information
Patent Grant
Bending assembly for extruded stock material
Patent number
8,234,898
Issue date
Aug 7, 2012
Brian S. Wilson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending device for thin-walled metal pipes
Patent number
6,941,787
Issue date
Sep 13, 2005
ThyssenKrupp Stahl AG
Thomas Flehmig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel apparatus with floating spring members
Patent number
6,389,872
Issue date
May 21, 2002
CRC-Evans Pipeline International, Inc.
Beverley F. Hanson
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe bending method and mandrel assembly for carrying out the method
Patent number
6,279,369
Issue date
Aug 28, 2001
Honda Giken Kogyo Kubushiki Kaisha
Atsuo Kasuya
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Die-protecting device used in bending an embossed metallic straight...
Patent number
6,142,005
Issue date
Nov 7, 2000
Shao-Chien Tseng
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Stretch forming metal bodies with polymeric internal mandrels
Patent number
5,735,160
Issue date
Apr 7, 1998
Aluminum Company of America
Thomas J. VanSumeren
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Internal mandrel for use in pipe bending
Patent number
5,564,303
Issue date
Oct 15, 1996
Robert W. Buchanan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Internal articulated mandrel for the stretch forming of elongated h...
Patent number
5,327,765
Issue date
Jul 12, 1994
Aluminum Company of America
Robert E. Weykamp
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel for bending pipes
Patent number
4,916,952
Issue date
Apr 17, 1990
Benteler Aktiengesellschaft
Dieter Thielmann
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending and twisting apparatus and method for printing machine thre...
Patent number
4,757,702
Issue date
Jul 19, 1988
M.A.N.-Roland Druckmaschinen Aktiengesellschaft
Klaus Theilacker
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for bending thin-walled pipes
Patent number
4,543,809
Issue date
Oct 1, 1985
Thomas P. Lang
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Resilient internal mandrel
Patent number
4,493,203
Issue date
Jan 15, 1985
Crutcher Resources Corporation
Lionel H. Wheeler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Core for a pipe that is to be bent
Patent number
4,378,689
Issue date
Apr 5, 1983
W. Eckold AG
Theodor Molz
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
Pipe bending mandrel
Patent number
4,088,007
Issue date
May 9, 1978
Midcon Pipeline Equipment Co.
Edward A. Clavin
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe bending mandrel
Patent number
4,086,803
Issue date
May 2, 1978
CRC-Crose International, Inc.
Lionel H. Wheeler
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
3922134
Patent number
3,922,134
Issue date
Nov 25, 1975
B29 - WORKING OF PLASTICS WORKING OF SUBSTANCES IN A PLASTIC STATE, IN GENERAL
Information
Patent Grant
3859839
Patent number
3,859,839
Issue date
Jan 14, 1975
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
MANDREL FOR PIPE BENDING MACHINE
Publication number
20230173565
Publication date
Jun 8, 2023
CML INTERNATIONAL S.P.A.
Alessandro CAPORUSSO
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ELASTIC DOUBLE-SUPPORT VARIABLE-DIAMETER MANDREL FOR BENDING OF AIR...
Publication number
20220143667
Publication date
May 12, 2022
Zhejiang University
Shuyou ZHANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHODS FOR BENDING THIN-WALLED TUBES
Publication number
20180154415
Publication date
Jun 7, 2018
Hamid Reza Abbasi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BENDING MOLD DEVICE FOR BIDIRECTIONAL PIPE BENDING
Publication number
20180036781
Publication date
Feb 8, 2018
Jiangsu University Of Science And Technology Industrial Technology Research I...
Wenxian TANG
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PRESS BENDING OF PIPES
Publication number
20170297075
Publication date
Oct 19, 2017
Hamid Reza Abbasi
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR THE INDIVIDUALIZED ADAPTATION OF THE SHAPE OF COMPONENTS
Publication number
20170014891
Publication date
Jan 19, 2017
ThyssenKrupp Steel Europe AG
Andreas COTT
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
BENDING CORE
Publication number
20140000337
Publication date
Jan 2, 2014
Orsi Carlo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MOTOR VEHICLE PEDALS AND MANUFACTURING METHODS THEREOF
Publication number
20130098133
Publication date
Apr 25, 2013
BATZ, S. COOP
Fernando BURGUERA ALBIZURI
B60 - VEHICLES IN GENERAL
Information
Patent Application
MOTOR VEHICLE PEDALS AND MANUFACTURING METHODS THEREOF
Publication number
20130101769
Publication date
Apr 25, 2013
BATZ, S. COOP
Fernando BURGUERA ALBIZURI
B60 - VEHICLES IN GENERAL
Information
Patent Application
APPARATUS AND METHOD OF MANUFACTURING A SPLIT LINK FOR USE IN A FLE...
Publication number
20130031947
Publication date
Feb 7, 2013
William Q. Tingley
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Bending device for thin-walled metal pipes
Publication number
20030154756
Publication date
Aug 21, 2003
Thomas Flehmig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Angled ductwork fittings, flexible fitting machine and methods of m...
Publication number
20010029764
Publication date
Oct 18, 2001
Miller S. Price
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...