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Class Information
Number: 219/137R
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Welding > Process

Sub-classes under this class:

Class Number Class Name Patents
219/137PS Power supply 351
219/137WM Weld metal composition 229

Patents under this class:
1 2 3 4 5 6 7 8 9 10

Patent Number Title Of Patent Date Issued
8706282 Weldability prediction and recommendation systems and methods Apr. 22, 2014
8704123 Method of creating a positive substance joint between components Apr. 22, 2014
8680431 Device and method to control a power source Mar. 25, 2014
8664568 Arc welding control method and arc welding apparatus Mar. 4, 2014
8658941 Wireless system control and inventory monitoring for welding-type devices Feb. 25, 2014
8624160 Systems for rating a stick electrode Jan. 7, 2014
8592721 Systems and methods for diagnosing secondary weld errors Nov. 26, 2013
8581146 Automatic wire feeding system Nov. 12, 2013
8569653 Drive roll assembly for wire feeder Oct. 29, 2013
8546727 Contact tube for a welding torch Oct. 1, 2013
8536487 Arc welding method Sep. 17, 2013
8530791 Corrosion resisting joining area and method between materials of copper and stainless steel or titanium, which are the constituents of permanent cathodes for electrolytic processes and cathode Sep. 10, 2013
8519302 Electric arc welder Aug. 27, 2013
8513568 Consumable electrode arc welding method and consumable electrode arc welding device Aug. 20, 2013
8471173 Laser hybrid welding method and laser hybrid welding torch using a zinc and/or carbon and/or aluminum-containing rod Jun. 25, 2013
8445816 Modular process list for welding power supply May. 21, 2013
8445808 Method for arc welding with consumable electrode May. 21, 2013
8440934 Arc start control method May. 14, 2013
8436278 Method for joining two rotationally symmetrical metal parts by tungsten inert gas (TIG) welding, and a device for carrying out the method May. 7, 2013
8410400 Welded metal laminate structure and method for welding a metal laminate structure Apr. 2, 2013
8389897 Welding method for carrying out a welding process Mar. 5, 2013
8378261 Automated assembly method for a motor vehicle Feb. 19, 2013
8373083 Method for connecting thick-walled metal workpieces by welding Feb. 12, 2013
8367972 Systems and methods for diagnosing secondary weld errors Feb. 5, 2013
8362396 Apparatus and method for making bag assembly Jan. 29, 2013
8356397 Manufacturing method of clutch for automatic transmission and automatic transmission Jan. 22, 2013
8357876 Narrow gap arc welding apparatus and method Jan. 22, 2013
8354175 Metal panel with cellular structure, related manufacturing process, and use in an impact energy absorber Jan. 15, 2013
8354614 Method to monitor the life of the contact tip in robotic or automatic GMAW Jan. 15, 2013
8338752 Wire feeder having changeable housing Dec. 25, 2012
8330077 Remote welding system and method Dec. 11, 2012
8324526 Welded repair of defects lying on the inside of components Dec. 4, 2012
8324527 Hybrid laser arc welding system and method for railroad tank car fabrication Dec. 4, 2012
8294064 Floating electrode assembly and automated system and method for welding projection weld nuts Oct. 23, 2012
8281472 Method of manufacturing continuous sucker rod Oct. 9, 2012
8283599 Welding method for T-joint Oct. 9, 2012
8274013 System for tracking and analyzing welding activity Sep. 25, 2012
8253061 Hybrid laser arc welding process and apparatus Aug. 28, 2012
8253060 Hybrid laser arc welding process and apparatus Aug. 28, 2012
8191259 Method for setting up a condensation facility using a pre-assembly frame and a welded root and finish seam Jun. 5, 2012
8183494 Method for connecting a sheet metal component, such as a pipe, to a cast metal component, such as a housing port, in particular for an exhaust system May. 22, 2012
8158905 Arc welding initiation system and method Apr. 17, 2012
8158906 Welding method and welding device Apr. 17, 2012
8153933 Welding control apparatus and method Apr. 10, 2012
8097826 Penetration enhancing flux formulation for tungsten inert gas (TIG) welding of austenitic stainless steel and its application Jan. 17, 2012
8097831 Use of an activating flux for the TIG welding of metal parts Jan. 17, 2012
8080763 Method of controlling arc welding and welding apparatus Dec. 20, 2011
8076612 Method for the continuous laying of a conductor on a printed circuit board and device for carrying out said method Dec. 13, 2011
8063340 Method for controlling the consistency of an arc welding process by monitoring welding voltage to determine weld droplet detachment Nov. 22, 2011
8058583 Apparatus and method for electroslag welding of rails Nov. 15, 2011

1 2 3 4 5 6 7 8 9 10

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