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B21D9/073
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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
B21D9/073
with one swinging forming member
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Patents Grants
last 30 patents
Information
Patent Grant
Manufacturing device for bent pipe and method of manufacturing bent...
Patent number
11,534,814
Issue date
Dec 27, 2022
Futaba Industrial Co., Ltd.
Koichiro Yamamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Manufacturing device for bent pipe and method of manufacturing bent...
Patent number
11,344,940
Issue date
May 31, 2022
Futaba Industrial Co., Ltd.
Hiro Iwase
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe bend die unit
Patent number
10,675,667
Issue date
Jun 9, 2020
SANGO CO., LTD.
Kentaro Nozu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Tie bar tensioning system
Patent number
10,252,309
Issue date
Apr 9, 2019
ADDISONMCKEE INC.
Andrew Ian Carruthers
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe bend die unit, and pipe bending apparatus having the unit
Patent number
9,901,968
Issue date
Feb 27, 2018
SANGO CO., LTD.
Kentaro Nozu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel
Patent number
9,862,016
Issue date
Jan 9, 2018
MITSUBISHI AIRCRAFT CORPORATION
Hiroshi Kawamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Arrangement for bending tubular workpieces
Patent number
8,333,094
Issue date
Dec 18, 2012
Wafios Aktiengesellschaft
Jürgen Wolf
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
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
Machine for cambering, forming, folding or bending bars, wires or e...
Patent number
8,220,304
Issue date
Jul 17, 2012
Numalliance
Joël Etienne
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method for bending pipes, rods, profiled sections and similar blank...
Patent number
8,141,403
Issue date
Mar 27, 2012
BLM S.p.A.
Roberto Gemignani
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Production apparatus and production method for producing bent porti...
Patent number
7,553,148
Issue date
Jun 30, 2009
Calsonic Kansei Corporation
Yoshikazu Takamatsu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Device for free three-dimensional profile forming
Patent number
7,290,422
Issue date
Nov 6, 2007
ThyssenKrupp Stahl AG
Thomas Flehmig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel for bending
Patent number
7,219,527
Issue date
May 22, 2007
Kabushiki Kaisha Opton
Teruaki Yogo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method of making pre-formed tubular members
Patent number
7,143,618
Issue date
Dec 5, 2006
General Motors Corporation
Chi-Mou Ni
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending method and mandrel of multi-layered pipe
Patent number
7,131,313
Issue date
Nov 7, 2006
Sanoh Industrial Co., Ltd.
Kazuhiko Nakazato
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Pipe bending apparatus and method
Patent number
7,131,312
Issue date
Nov 7, 2006
Yamaha Hatsudoki Kabushiki Kaisha
Tamio Yoshino
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Core bar for bending of a pipe and method of bending of a pipe
Patent number
7,127,928
Issue date
Oct 31, 2006
Sanoh Industrial Co., Ltd.
Kazuhiko Nakazato
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending machine and tube support and drive device thereof
Patent number
7,076,984
Issue date
Jul 18, 2006
Silfax SA
Serge Cappello
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
Lifting mechanism for a head member of a pipe bender
Patent number
6,655,183
Issue date
Dec 2, 2003
Chiao Sheng Machinery Co., Ltd.
Shih-Tzung Fan
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Mandrel assembly for tube-bending apparatus
Patent number
6,155,091
Issue date
Dec 5, 2000
Arvin Industries, Inc.
Jeffrey P. Hayes
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Tube bender
Patent number
6,009,737
Issue date
Jan 4, 2000
Arvin Industries, Inc.
Mark E. Bandy
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Quick change tooling method and apparatus
Patent number
5,979,204
Issue date
Nov 9, 1999
Tools for Bending, Inc.
Ronald R. Stange
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending apparatus for hollow double-structured pipe
Patent number
5,937,686
Issue date
Aug 17, 1999
Sankei Giken Kogyo Kabushiki Kaisya
Saburo Arai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Method and apparatus for bulge forming and bending tubes
Patent number
5,823,031
Issue date
Oct 20, 1998
Tools for Bending, Inc.
Larry D. Campbell
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Bending device for hollow double-structured pipe
Patent number
5,749,255
Issue date
May 12, 1998
Sankei Giken Kogyo Kabushiki Kaisya
Saburo Arai
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Programmable pressure controlled mandrel extractor for tube bending...
Patent number
5,632,176
Issue date
May 27, 1997
Pines Manufacturing
Ajay K. Bhandari
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Process for bending a metal tube to a small radius of curvature and...
Patent number
5,483,809
Issue date
Jan 16, 1996
Usui Kokusai Sangyo Kaisha Ltd.
Katsuhiko Nishiie
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Slaved tube length control for hairpin bender
Patent number
5,379,624
Issue date
Jan 10, 1995
Burr Oak Tool & Gauge Company
Galen B. Harman
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Grant
Apparatus for spatial uncoiling and stretch-bending process in comb...
Patent number
5,333,481
Issue date
Aug 2, 1994
Walter Spath
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Patents Applications
last 30 patents
Information
Patent Application
MANUFACTURING DEVICE FOR BENT PIPE AND METHOD OF MANUFACTURING BENT...
Publication number
20220152681
Publication date
May 19, 2022
FUTABA INDUSTRIAL CO., LTD.
Koichiro Yamamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ROUND METAL PIPE, HEAT EXCHANGER PROVIDED WITH SAME, PIPE BENDER, A...
Publication number
20200348085
Publication date
Nov 5, 2020
Noritz Corporation
Naoki SE
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
MANDREL
Publication number
20160256909
Publication date
Sep 8, 2016
MITSUBISHI AIRCRAFT CORPORATION
Hiroshi Kawamoto
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Machine For Bending Tubular Products and Tube Bending Machine
Publication number
20120227456
Publication date
Sep 13, 2012
SIMAT SRL
Valdi Toniutti
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
ARRANGEMENT FOR BENDING TUBULAR WORKPIECES
Publication number
20110016941
Publication date
Jan 27, 2011
WAFIOS AKTIENGESELLSCHAFT
Jürgen WOLF
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
PIPE BENDING MACHINE WITH BENDING MANDREL HAVING A LOAD BEARING STR...
Publication number
20100206036
Publication date
Aug 19, 2010
CML INTERNATIONAL S.P.A.
Alessandro Caporusso
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR BENDING PIPES, RODS, PROFILED SECTIONS AND SIMILAR BLANK...
Publication number
20090288465
Publication date
Nov 26, 2009
BLM S.p.A.
Roberto GEMIGNANI
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
METHOD FOR PROLONGING SERVICE LIFE OF A MACHINE FOR BENDING TUBES
Publication number
20090095044
Publication date
Apr 16, 2009
Peter Schule
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Machine for Cambering, Forming, Folding or Bending Bars, Wires or E...
Publication number
20080295559
Publication date
Dec 4, 2008
NUMALLIANCE
Joel Etienne
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Device for free three-dimensional profile forming
Publication number
20060201218
Publication date
Sep 14, 2006
Thomas Flehmig
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Bending machine and tube support and drive device thereof
Publication number
20050210946
Publication date
Sep 29, 2005
SILFAX SA
Serge Cappello
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Method of making pre-formed tubular members
Publication number
20050160783
Publication date
Jul 28, 2005
Chi-Mou Ni
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Production apparatus and production method for producing bent porti...
Publication number
20050156355
Publication date
Jul 21, 2005
CALSONIC KANSEI CORPORATION
Yoshikazu Takamatsu
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Core bar for bending of a pipe and method of bending of a pipe
Publication number
20040261490
Publication date
Dec 30, 2004
Kazuhiko Nakazato
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Mandrel for bending
Publication number
20040256095
Publication date
Dec 23, 2004
Teruaki Yogo
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Tool for a bending machine
Publication number
20040154366
Publication date
Aug 12, 2004
Peter Schule
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Bending method and mandrel of multi-layered pipe
Publication number
20040069040
Publication date
Apr 15, 2004
Kazuhiko Nakazato
B21 - MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL PUNCHING...
Information
Patent Application
Pipe bending apparatus and method
Publication number
20040007037
Publication date
Jan 15, 2004
Tamio Yoshino
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...