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Browse by Category: Main > Electrical & Energy
Class Information
Number: 219/137PS
Name: Electric heating > Metal heating (e.g., resistance heating) > By arc > Welding > Process > Power supply
Description:










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

Patent Number Title Of Patent Date Issued
8669490 Method and apparatus for pulse and short circuit arc welding Mar. 11, 2014
8658942 Method and system of welding with auto-determined startup parameters Feb. 25, 2014
8653413 Welding power supply with digital control of duty cycle Feb. 18, 2014
8618441 Output control for auto-reconnect welding/cutting equipment Dec. 31, 2013
8604389 Welding wire feed speed control system method Dec. 10, 2013
8604384 System and methods for efficient provision of arc welding power source Dec. 10, 2013
8604387 Control method for arc welding apparatus and arc welding apparatus Dec. 10, 2013
8592721 Systems and methods for diagnosing secondary weld errors Nov. 26, 2013
8592724 Remote wire feeder using binary phase shift keying to modulate communications of command/control signals to be transmitted over a weld cable Nov. 26, 2013
8592722 Weld parameter interface Nov. 26, 2013
8581145 System and method for tracking welding-type parameters, machine setup and job packet coding for workflow Nov. 12, 2013
8563896 Systems and methods to modify gas metal arc welding and its variants Oct. 22, 2013
8558139 Hybrid welding systems and devices Oct. 15, 2013
8546727 Contact tube for a welding torch Oct. 1, 2013
8536487 Arc welding method Sep. 17, 2013
8519302 Electric arc welder Aug. 27, 2013
8513569 Arc energy regulation in drawn arc fastener welding process Aug. 20, 2013
8507830 Hybrid welding systems and devices Aug. 13, 2013
8502115 Engine driven welder-generator with chopper circuit Aug. 6, 2013
8487455 Welding power generator having vertical shaft arrangement Jul. 16, 2013
8476554 Methods and apparatus for improved low current AC/DC TIG welding and starting Jul. 2, 2013
8461484 Conductive stud welding Jun. 11, 2013
8455794 Welding power supply with digital control of duty cycle Jun. 4, 2013
8426773 Dual power pin connector assembly for a MIG welding machine Apr. 23, 2013
8415588 Hybrid welding systems and devices Apr. 9, 2013
8405001 Hybrid welding systems and devices Mar. 26, 2013
8395085 Wire feed speed referenced variable frequency pulse welding system Mar. 12, 2013
8389899 Connector for connecting welding torch Mar. 5, 2013
8389897 Welding method for carrying out a welding process Mar. 5, 2013
8389898 Method for regulating a welding current source and welding current source for carrying out the method Mar. 5, 2013
8389900 Method for welding a workpiece Mar. 5, 2013
8378251 Two-electrode arc welding device and two-electrode arc welding method Feb. 19, 2013
8373093 Method and system to increase heat input to a weld during a short-circuit arc welding process Feb. 12, 2013
8367972 Systems and methods for diagnosing secondary weld errors Feb. 5, 2013
8350189 Method of making a metal art object Jan. 8, 2013
8338752 Wire feeder having changeable housing Dec. 25, 2012
8330077 Remote welding system and method Dec. 11, 2012
8304682 Welder Nov. 6, 2012
8288686 Welding systems and methods for controlling a wire feeder via a spool gun connection Oct. 16, 2012
8278597 Hybrid welding systems and devices Oct. 2, 2012
8278587 Systems and methods to modify gas metal arc welding and its variants Oct. 2, 2012
8269141 Power source for electric arc welding Sep. 18, 2012
8253069 Slideable welding power source housing assembly Aug. 28, 2012
8242410 Welding methods and systems Aug. 14, 2012
8237088 Tandem pulse arc welding control apparatus and system therefor Aug. 7, 2012
8237087 Welding system with torque motor wire drive Aug. 7, 2012
8203100 Pulse arc welding method Jun. 19, 2012
8101886 Welding article and welding method of carrying out an alternating current arc welding Jan. 24, 2012
8049140 Pulse arc welding control method and pulse arc welding device Nov. 1, 2011
7989732 Method of AC welding using a flux cored electrode Aug. 2, 2011

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