42925 ⎘
Arc welding or cutting; Other electric circuits therefor; Protective circuits; Remote controls; Power supply characterised by the electric circuit
Apparatus and method for energy replacement in a welding waveform during welding
#302Welding system utilizing a distributed power bus
#303Welding wire feeder power application system and method
#304Welding wire feeder power control system and method
#305Polarity sensing welding wire feeder system and method
#306System and method for pairing welding devices
#307Systems and methods for using fluorine-containing gas for submerged arc welding
#308Methods and apparatus for improved low current AC/DC TIG welding and starting
#309Methods and apparatus for improved low current AC/DC TIG welding and starting
#310Weld cell system with communication
#311Inverter output rectifier circuit
#312Inverter output rectifier circuit
#313Dual fillet welding methods and systems
#314Welding apparatus with automated welding wire retraction
#315Power supply device and arc machining power supply device
#316SYSTEMS AND METHODS FOR UTILIZING WELDER POWER SOURCE DATA
#317Systems and methods for associating data to a welder power source
#318Method to improve GMAW and GTAW welding performance
#319System and method for real-time computation and reporting of welding machine performance and metrics
#320Two-stage switch-mode power supply for drawn-arc stud welding
#321Systems and methods for using fluorine-containing gas for submerged arc welding
#322WELDING APPARATUS WITH AUTOMATED WELDING WIRE RETRACTION
#323Energy conversion method and apparatus, and welding device
#324Manual welding apparatus having an automatic wire retract method
#325Inverter control device and method with multiple switching circuit control methods
#326Apparatus and method for pulse welding with AC waveform
#327Method to control an arc welding system to reduce spatter
#328Modified series arc welding and improved control of one sided series arc welding
#329Modular direct current power source
#330System and method of reducing diffusible hydrogen in weld metal
#331Welding power supply with regulated background power supply
#332Welding system having a power grid interface
#333Apparatus for welding with curtain electrodes and strip electrodes
#334Systems and methods for statistically analyzing welding operations
#335Weld current generating apparatus
#336Method and apparatus for receiving a universal 3 phase input voltage in a welding power source
#337INVERTER OUTPUT RECTIFIER CIRCUIT
#338Welding power to auxiliary power conversion system and method
#339System and methods for efficient provision of arc welding power source
#340Welding systems powered by hybrid vehicles
#341Welding power supply with digital control of duty cycle
#342Welding methods and systems
#343Method And Apparatus For Receiving A Universal Input Voltage In A Welding, Plasma Or Heating Power Source
#344Hybrid welding-type power source
#345Hybrid welder
#346Method and device for controlling a power source and power source having such a device
#347Method and apparatus for characterizing a welding output circuit path
#348MIG-MIG Welding Process
#349Method and device for operating a transformer
#350Welding or cutting power supply using phase shift double forward converter circuit (PSDF)
#351Constant voltage welder capacitor ripple current reduction method and system
#352System for measuring energy using digitally controlled welding power sources
#353Power supply configured to deliver AC welding-type power
#354System and Method for Battery-Assisted, Engine-Driven Welding-Type Process
#355Engine driven welding machine
#356Power converter with low loss switching
#357Power cord system for welding-type devices
#358System and method for tracking welding-type parameters, machine setup and job packet coding for workflow
#359Method and apparatus for welding
#360Arc voltage estimation and use of arc voltage estimation in thermal processing systems
#361Method and apparatus for pulse and short circuit arc welding
#362DUAL FILLET WELDING METHODS AND SYSTEMS
#363Method And Apparatus For Receiving A Universal Input Voltage In A Welding, Plasma Or Heating Power Source
#364Method and apparatus for characterizing a welding output circuit path
#365High current AC welder
#366ELECTRIC ARC WELDER SYSTEM WITH WAVEFORM PROFILE CONTROL FOR CORED ELECTRODES
#367Method and system for reducing spatter in short-circuit transfer gas shielded arc welding
#368Three stage power source for electric arc welding
#369Methods and apparatus for improved low current AC/DC TIG welding and starting
#370Method and apparatus for welding
#371Method and Apparatus For Welding With High Frequency Protection
#372Three stage power source for electric ARC welding
#373Modular power source for electric ARC welding and output chopper
#374Method and apparatus for receiving a universal input voltage in a welding, plasma or heating power source
#375Power cord system for welding-type devices
#376Method and apparatus for pulse and short circuit arc welding
#377Method and apparatus for controlling a short circuit during a MIG welding process
#378Method and apparatus for controlling weld states of a MIG welding process
#379Method of AC welding with cored electrode
#380TIG welding torch
#381Fuel saving engine driven welding-type device and method of use
#382Output stage for an electric arc welder
#383Fuel saving engine driven welding-type device and method of use
#384Electric ARC welder system with waveform profile control for cored electrodes
#385Soft-switching half-bridge inverter power supply system
#386Power convertor with low loss switching
#387Electric ARC welder with background current
#388MIG welding machine having 115V inverter
#389Method and apparatus of electronic selection of an output mode of a welding power source