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Browse by: INVENTOR PATENT HOLDER PATENT NUMBER DATE
 
 
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Class Information
Number: 219/82
Name: Electric heating > Metal heating (e.g., resistance heating) > For bonding with pressure (e.g., resistance welding) > Roller electrode > Roller moves over work
Description: Subject matter in which the workpiece is stationary and the roller moves.


Patents under this class:

Patent Number Title Of Patent Date Issued
7112757 Programmable resistance seam welding apparatus and method Sep. 26, 2006
7022933 Seam welding apparatus Apr. 4, 2006
6931729 Method for manufacturing a filler neck Aug. 23, 2005
6545244 Conductive heat seam welding Apr. 8, 2003
6518535 Device and method for seaming welding Feb. 11, 2003
6396023 Airtight sealing method and airtight sealing apparatus for semiconductor laser element May. 28, 2002
6281467 Conductive heat resistance seam welding Aug. 28, 2001
6060681 Process and apparatus for laser welding May. 9, 2000
5866867 Surface mount package seam welder apparatus and method Feb. 2, 1999
5811750 Device for welding motor-vehicle bodies or sub-assemblies thereof Sep. 22, 1998
5654992 Method of repairing structural materials of nuclear reactor internals and apparatus therefor Aug. 5, 1997
5473133 Projection resistance welding method Dec. 5, 1995
5290990 Seam welding machine for joining sheet blanks together Mar. 1, 1994
5185511 Multifunction laser assisted processing apparatus Feb. 9, 1993
5125554 C-frame sheet splicer Jun. 30, 1992
4902868 Advanced parallel seam-sealing system Feb. 20, 1990
4803325 Resistance seam welding machine Feb. 7, 1989
4792317 Method for making a magnetic shield Dec. 20, 1988
4788405 Weld thickness monitoring in resistance welding apparatus Nov. 29, 1988
4785153 Process and device for reciprocal guidance of workpieces and tools that move relative to one another, particularly rolling seam welding machines Nov. 15, 1988
4652719 Workpiece feeding apparatus in seam welding machine Mar. 24, 1987
4652720 Apparatus for the spot welding of coated sheet-metal members Mar. 24, 1987
4652718 Workpiece feeding apparatus in seam welding machine Mar. 24, 1987
4568812 Device for electric longitudinal-seam mash resistance welding Feb. 4, 1986
4376883 Monitoring weld quality via forging assembly dynamics Mar. 15, 1983
4100391 Portable seam welder Jul. 11, 1978
4099044 Welding apparatus Jul. 4, 1978



 
 
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