| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 06/05/2013 | CN202963759U Moveable welding gun supporting device |
| 06/05/2013 | CN202963758U Water-cooled tungsten inert gas (TIG) small welding gun |
| 06/05/2013 | CN202963757U Electric soldering pliers with spring fulcrum on insulated handle |
| 06/05/2013 | CN202963756U Circulating water-cooling electrode system |
| 06/05/2013 | CN202963755U Automatic welding flux recycling device |
| 06/05/2013 | CN202963754U Novel semi-automatic submerged arc welding machine |
| 06/05/2013 | CN202963753U Welding device capable of controlling and reducing metal oxide inclusions in submerged-arc welding seam |
| 06/05/2013 | CN202963752U Full-automatic welding machine of oil cylinder circumferential weld |
| 06/05/2013 | CN202963751U Nozzle used for backing welding of argon arc welding of thick-walled tube |
| 06/05/2013 | CN202963750U Wire feeder rotary support |
| 06/05/2013 | CN202963749U Gas shielded welding double-wheel compression driving wire feeding mechanism |
| 06/05/2013 | CN202963748U Adjustable wire reel on submerged-arc welding trolley |
| 06/05/2013 | CN202963747U Pin shaft welder |
| 06/05/2013 | CN202963746U Circular runway tool for submerged arc welding machine |
| 06/05/2013 | CN202963745U Circuit board structure of inversion arc welding machine adopting single-tube insulated gate bipolar transistors (IGBTs) |
| 06/05/2013 | CN202963744U Power supply circuit of inverter welding machine |
| 06/05/2013 | CN202963743U Digital inverter welding machine and main circuit system of the same |
| 06/05/2013 | CN202963742U Inversion arc welding machine adopting single-tube insulated gate bipolar transistor (IGBT) single board |
| 06/05/2013 | CN202963741U Structure with microprocessor controlling digital display and inverting dual-use welding machine of aluminum base PCB (printed circuit board) |
| 06/05/2013 | CN202963740U Device for realizing arc stabilizing effect by utilizing auxiliary external electric field applied between submerged arc welding slag and gold along with welding |
| 06/05/2013 | CN202963739U Extended inner circumferential seam welding device |
| 06/05/2013 | CN202963738U Full-automatic welding machine for round hydro-cylinder port |
| 06/05/2013 | CN202963737U Automatic servo spot welding device |
| 06/05/2013 | CN202963736U Structure with microprocessor controlling inverting welding machine of aluminum base PCB (printed circuit board) |
| 06/05/2013 | CN202963735U Novel intelligent arc welding device |
| 06/05/2013 | CN103140321A Surfacing material, deposited metal, and member involving deposited metal |
| 06/05/2013 | CN103140317A Systems for and methods of managing licenses in wedling equipment |
| 06/05/2013 | CN103128481A Multipoint synchronous intermittent girth welding device |
| 06/05/2013 | CN103128430A Centralized type central gas supply system of carbon dioxide gas welding robot |
| 06/05/2013 | CN103128429A Titanium/copper dissimilar metal and cold metal transitional connecting method |
| 06/05/2013 | CN103128428A Circular seam automatic welding machine |
| 06/05/2013 | CN103128427A Welding construction method of large cast steel modes under low temperature condition |
| 06/05/2013 | CN103128426A Multifunctional welding power source with parallel output function |
| 06/05/2013 | CN103128425A Portable electric welding machine |
| 06/05/2013 | CN103128424A Method for controlling single-point globular transfer thermal balance digital intelligent electrical arc welding |
| 06/05/2013 | CN103128423A Laser tungsten inert gas (TIG) arc coaxial hybrid welding method with additional high frequency magnetic field and device |
| 06/05/2013 | CN103128422A Device and method for magnetic control of wet process underwater welding |
| 06/05/2013 | CN103128421A Preparation method for iron-based amorphous/nanocrystalline composite coatings |
| 06/05/2013 | CN103128420A Construction technology of embedded reinforcing structure for large-orifice pipe of container |
| 06/05/2013 | CN103128419A Portable rechargeable electric welding machine |
| 06/05/2013 | CN102615397B Special annular welding machine for thin wall of stainless steel kettle |
| 06/05/2013 | CN102513660B Large middle trough welding method |
| 06/05/2013 | CN102357718B Stainless steel sheet welding method capable of preventing weld cracks |
| 06/05/2013 | CN102248320B Stannum-based composite babbit metal and method for preparing welding wire |
| 06/05/2013 | CN102248266B Automatic voltage regulation (AVR) singlechip control-based thick wire electric-gas vertical welding machine and control method |
| 06/05/2013 | CN102139398B Orthotropic plate U-shaped rib angle weld joint double-side welding technique |
| 06/05/2013 | CN102133676B Voltage-type PWM (pulse-width modulation) half-bridge hard switching inversion-type welding and cutting machine |
| 06/05/2013 | CN102114567B Robotic automatic large-diameter stud welding gun |
| 06/05/2013 | CN102079002B Inverter welding and cutting machine with dual-voltage system |
| 06/05/2013 | CN102059430B Method for welding and repairing copper surface defect of aluminum-copper composite board transition joint |
| 06/05/2013 | CN101954526B Double-wire pulsed welding melten pool bidirectional near-infrared synchronous vision sensing method and device |
| 06/05/2013 | CN101905393B Solid welding wire for high-toughness structural steel |
| 06/05/2013 | CN101829834B Full-bridge inverting and single end forward inverting switching type arc welding power supply and control method thereof |
| 06/05/2013 | CN101787881B Shell of nitrogen pressure-transmission tube used for oilfield and welding method thereof |
| 06/05/2013 | CN101374624B MIG welder control system and method |
| 06/04/2013 | US8455794 Welding power supply with digital control of duty cycle |
| 06/04/2013 | US8453960 Wire guiding system |
| 06/04/2013 | CA2712523C Welding wire guide ring |
| 06/04/2013 | CA2465218C Welding current control system and method |
| 05/30/2013 | WO2013077356A1 Weld metal having excellent temper embrittlement resistance |
| 05/30/2013 | WO2013076553A1 Wire retaining ring for endless bulk mig wire boxes |
| 05/30/2013 | WO2013076541A1 System and method for modular portable welding and seam tracking |
| 05/30/2013 | WO2013076373A1 Battery-operated welding and / or cutting device and a cooling profile |
| 05/30/2013 | US20130136940 Welding system, welding process, and welded article |
| 05/30/2013 | US20130134143 Connector for arc welding conductor tube for gmaw manual/robotic arc welding mig guns |
| 05/30/2013 | US20130134134 Burner body comprising a securing system; tig welding torch comprising such a burner body |
| 05/30/2013 | CA2855904A1 System and method for modular portable welding and seam tracking |
| 05/29/2013 | EP2597939A2 Plasma torch |
| 05/29/2013 | EP2596896A1 Welding system and process with a laser device, a GMAW device and a GTAW device; corresponding welded article |
| 05/29/2013 | EP2596217A2 Method for producing a large-dimensioned component from nodular graphite iron |
| 05/29/2013 | EP2595775A2 Method for producing a large-dimensioned component from nodular graphite iron |
| 05/29/2013 | EP2595774A1 Systems for and methods of managing licenses in welding equipment |
| 05/29/2013 | DE202013101580U1 Trommel zur Aufnahme eines Schweißdrahts Drum for receiving a welding wire |
| 05/29/2013 | DE102011087121A1 Verfahren zum Auftragsschweißen A method for hardfacing |
| 05/29/2013 | CN202951969U Automatic nail feeding mechanism used for stud welding |
| 05/29/2013 | CN202951968U Roller stoppage detection and control device |
| 05/29/2013 | CN202951967U Welding torch |
| 05/29/2013 | CN202951966U Water-cooled welding gun of double-wire electro-gas welding |
| 05/29/2013 | CN202951965U Narrow-gap welding head with pivot angle device |
| 05/29/2013 | CN202951964U Miniature water-cooled type tungsten inert gas (TIG) small welding gun |
| 05/29/2013 | CN202951963U Miniature gas-cooled type tungsten inert gas (TIG) small welding gun |
| 05/29/2013 | CN202951962U Protection-type welding torch |
| 05/29/2013 | CN202951961U Circumferential weld submerged-arc welding device for butt-joint of steel pipes |
| 05/29/2013 | CN202951960U Argon tungsten arc welding machine |
| 05/29/2013 | CN202951959U Novel joint welding device |
| 05/29/2013 | CN202951958U Metal part crack repairing apparatus |
| 05/29/2013 | CN202951957U Narrow gap welding head with automatic height-adjusting device |
| 05/29/2013 | CN202951956U Embedded-type frictional rail for single-arc double-wire all-position welder |
| 05/29/2013 | CN202951955U Fault self-checking circuit for main circuit of inverter welding machine |
| 05/29/2013 | CN202951954U Control circuit of intelligent welding machine |
| 05/29/2013 | CN202951953U Circumferential seam single-pass electro-gas welding machine |
| 05/29/2013 | CN202951952U Special inside welding machine for longitudinal seams of stainless steel and composite steel welding tube |
| 05/29/2013 | CN103124612A Arc-welding control system and control method |
| 05/29/2013 | CN103121148A Welding material and welding process for welding X100 pipeline steel |
| 05/29/2013 | CN102794550B Method for welding terminal circular seams of compound steel plates |
| 05/29/2013 | CN101992337B Determining method for welding wire of automatic feeding performance |
| 05/29/2013 | CN101605625B Plasma apparatus |
| 05/28/2013 | US8450648 Closed-end welding electrode holder |
| 05/28/2013 | US8450647 Drive roll for a wire feeder |
| 05/28/2013 | US8450646 Retaining head and contact tip for controlling wire contour and contacting point for GMAW torches |