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Class Information
Number: 219/125.12
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > With predetermined welding operation > For oscillating electrode welding
Description: Subject matter wherein the arc torch welds across the width of the work seam with a reciprocal motion.

Patents under this class:
1 2 3 4

Patent Number Title Of Patent Date Issued
8573470 Welding system Nov. 5, 2013
8481882 Guide device for welding curvilinear pipe surfaces Jul. 9, 2013
8338750 AC pulse arc welding control method Dec. 25, 2012
8255081 Apparatus and method for calculating position of robot Aug. 28, 2012
7999208 Robot control unit for controlling tandem arc welding system, and arc-sensor control method using the unit Aug. 16, 2011
7738996 Method for positioning a welding robot tool Jun. 15, 2010
7330774 Reception system Feb. 12, 2008
7321808 Robot and multiple robot control method Jan. 22, 2008
7291807 TIG welding equipment and TIG welding method Nov. 6, 2007
6953909 External pipe welding apparatus Oct. 11, 2005
6927360 Method for continuously regulating or tracking a position of a welding torch or a welding head Aug. 9, 2005
6845295 Method of controlling a robot through a singularity Jan. 18, 2005
6781083 Weld overlay system Aug. 24, 2004
6737601 Method and device for welding together two bodies May. 18, 2004
6693259 Self-diagnosis type welding carriage control system for automatically controlling welding conditions and implementing oscillation motion Feb. 17, 2004
6657161 External pipe welding apparatus Dec. 2, 2003
6617548 Mobile device for automatic pipe welding Sep. 9, 2003
6584378 Device and a method for determining coordinates and orientation Jun. 24, 2003
6548783 Apparatus for electric arc overlay welding Apr. 15, 2003
6531683 Boom control system Mar. 11, 2003
6429404 Method and apparatus for determining seam tracking control of arc welding Aug. 6, 2002
6429405 Apparatus and method for welding pipes together Aug. 6, 2002
6407364 Method and system for welding railroad rails Jun. 18, 2002
6374158 Robotic laser pointer Apr. 16, 2002
6327516 Operation terminal and remote operation system for a robot Dec. 4, 2001
6297473 Arc welding method Oct. 2, 2001
6297472 Welding system and method Oct. 2, 2001
6285920 Method of robot teaching with motion constraints Sep. 4, 2001
6274845 Method and apparatus for electric arc welding Aug. 14, 2001
6256556 Remote operation system for a robot Jul. 3, 2001
6201216 Method and system for welding railroad rails Mar. 13, 2001
6166347 Method and system for welding steel rails Dec. 26, 2000
6150631 Method of detecting root gap and arc welding method using the former Nov. 21, 2000
6124566 Automatic tracking process of the joint bevel for the butt welding of pipes and equipment for the embodiment of the process Sep. 26, 2000
6064168 Method of controlling robot movement May. 16, 2000
6000598 Method for correcting the direction of weaving of a welding torch with respect to a welding centerline Dec. 14, 1999
5965037 Inert gas electric arc welding process and torch for use therein Oct. 12, 1999
5938955 Consumable electrode type arc welding method and device Aug. 17, 1999
5932123 Mobile automated pipeline welding and quality control system Aug. 3, 1999
5864115 Consumable electrode type arc welding method and device Jan. 26, 1999
5780808 Arc sensing method in automated welding Jul. 14, 1998
5773779 Method and system for welding railroad rails Jun. 30, 1998
5653902 Method and device of correcting a welding path of an automatic welding apparatus Aug. 5, 1997
5620619 Weaver for a welding torch capable of compatibly using a straight weaving and an angular weaving Apr. 15, 1997
5582750 Control method for a robot with sensor Dec. 10, 1996
5543600 Lattice welding robot and method for the lattice welding Aug. 6, 1996
5362937 Overlaying of plates Nov. 8, 1994
5347098 Method of welding nickel or nickel alloy products Sep. 13, 1994
5206474 Weld line profile control method Apr. 27, 1993
5171966 Method of and apparatus for controlling a welding robot Dec. 15, 1992

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