| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 12/16/2009 | EP2132608A1 Method and device for controlling robots for welding workpieces |
| 12/16/2009 | EP2131990A1 Contact device for welding apparatus |
| 12/16/2009 | EP2131989A1 Welding bit holder |
| 12/16/2009 | EP2131988A2 Structural welding system |
| 12/16/2009 | EP1177064B1 Method of joining metal strip ends together using a consumable insert |
| 12/16/2009 | CN201361774Y Metal strip connection device of metal strip-reinforced polyethylene spiral dual-wall corrugated pipe |
| 12/16/2009 | CN201361773Y Electrode holder for welding piston-type oxygen compressor cylinder body |
| 12/16/2009 | CN201361768Y Automatic ring welding reverse-side gas protection device of heavy-caliber stainless steel welding pipe |
| 12/16/2009 | CN201361760Y Cooling hermitic sheet butt-welding seam tracking sensor |
| 12/16/2009 | CN201361759Y Variable-position automatic welding machine |
| 12/16/2009 | CN201361758Y Output external characteristic control circuit of inverter welding machine |
| 12/16/2009 | CN201361757Y Welding pad |
| 12/16/2009 | CN201361756Y Automatic welding machine used for welding elliptical connection surfaces of workpieces |
| 12/16/2009 | CN101605625A Plasma apparatus and system |
| 12/16/2009 | CN101603312A Prestressed concrete hollow square pile and manufacturing method thereof |
| 12/16/2009 | CN101602158A Manufacturing method of titanium golf head by different-weight forging |
| 12/16/2009 | CN101602136A Deep hole tube sheet welding gun |
| 12/16/2009 | CN101602135A Method for welding cast iron by use of carbon dioxide gas |
| 12/16/2009 | CN101602134A Main board of single-board welding machine |
| 12/16/2009 | CN101602133A Mainboard of direct current-direct current (AC-DC) welding machine |
| 12/16/2009 | CN101602132A Method for preparing powder-cored welding wire and cladding layer used for cladding surface of hot working die |
| 12/16/2009 | CN100569980C Sieve plate for sorting middle high manganese steel stone material and its making method |
| 12/16/2009 | CN100569432C Technique for producing circle quenching roller |
| 12/16/2009 | CN100569430C Laser compound welding tip device |
| 12/16/2009 | CN100569428C Electrical arc welding method of Ti3C2/Cu-Al cermets material |
| 12/16/2009 | CN100569427C Apparatus and method for fast arc extinction in plasma process |
| 12/15/2009 | US7632556 Self-adhesive purge dam for retaining purge gas around a weld zone |
| 12/15/2009 | US7632175 Cutting blade hard-facing method and apparatus |
| 12/15/2009 | CA2573225C Boom and arm member of construction machine excellent in weld zone fatigue strength and method of improvement of its fatigue strength |
| 12/15/2009 | CA2508410C Multifunction meter for welding apparatus |
| 12/15/2009 | CA2486352C Hard metallic materials, hard metallic coatings, methods of processing metallic materials and methods of producing metallic coatings |
| 12/15/2009 | CA2482111C Portable welding-type apparatus with interchangeable energy storage device |
| 12/15/2009 | CA2461810C Method and apparatus for welding with high frequency protection |
| 12/15/2009 | CA2436141C Welding gun having a removable nozzle end portion and method for operating same |
| 12/10/2009 | WO2009149017A1 Air-cooled copper shoes for electroslag welding applications |
| 12/10/2009 | WO2009148996A1 System and method for beam-to-column welding |
| 12/10/2009 | WO2009148459A1 Multipurpose track and radius plate burner apparatus |
| 12/10/2009 | US20090302125 Center Supported Bond Joint |
| 12/10/2009 | US20090302018 Wire drive for wire feeder and spool gun |
| 12/10/2009 | US20090302016 Welding process using direct current ("dc") electric welding machine |
| 12/10/2009 | US20090302015 Checkcard-Type Remote Controller With Electrode Contacts for Increasing and Reducing a Welding Parameter, and with a Readout |
| 12/10/2009 | US20090302014 Control method for mig/mag-welding and welding equipment applying this method |
| 12/10/2009 | US20090302007 Device for centring and clamping tubular parts, comprising means for regulating the gas flow rate in order to control the oxygen content |
| 12/10/2009 | DE102008027011A1 Driveshaft for gearing systems of vehicles comprises a homocinetic joint directly connected to a pipe and a homocinetic joint connected to the pipe via a longitudinal offset |
| 12/10/2009 | CA2727168A1 Multipurpose track and radius plate burner apparatus |
| 12/09/2009 | EP2131145A1 Optical monitoring device |
| 12/09/2009 | EP2130937A1 High-strength welded steel pipe having weld metal excelling in low-temperature cracking resistance and process for manufacturing the same |
| 12/09/2009 | EP2130635A1 Magnetic arc welding procedure for workpieces with open cross-sections |
| 12/09/2009 | CN201357299Y Supporting device of welding gun cable for gas shielded welding |
| 12/09/2009 | CN201357293Y Gas shielded welding wire |
| 12/09/2009 | CN201357278Y Gas-shielded pipe for CO2 welder |
| 12/09/2009 | CN201357277Y Heat-shielding safety welding torch |
| 12/09/2009 | CN201357276Y Thin-wire submerged-arc automatic-welding plant |
| 12/09/2009 | CN201357275Y Device for tracking seams by adopting manner of multi-structured light and binocular complex vision |
| 12/09/2009 | CN201357274Y Cylindrical steel reinforcement cage automatic twisting welding cable |
| 12/09/2009 | CN201357273Y Wheel mobile type carbon arc gouging gun |
| 12/09/2009 | CN101600532A Welding job sequencer |
| 12/09/2009 | CN101599705A Power supply device and power supply device for arc machining |
| 12/09/2009 | CN101596660A Air support for welding straight beam pipe |
| 12/09/2009 | CN101596640A Welding technology of super martensitic stainless steel |
| 12/09/2009 | CN101596639A Welding method and welding structure or high-strength wear-resistant steel plate vehicle hopper |
| 12/09/2009 | CN101596638A Magnetic arc welding procedure for workpieces with open cross-sections |
| 12/09/2009 | CN101596637A Method for stirring welding pool in process of welding and electromagnetic pendulum device |
| 12/09/2009 | CN101596636A Split-type high frequency controller |
| 12/09/2009 | CN101596635A Composite resurfacing welding method for sink roller and stabilizing roller used for hot dipping |
| 12/09/2009 | CN101596634A Composite overlaying method for bush and sleeve of rolls for hot dipping |
| 12/09/2009 | CN101596633A Mutual tack welding method for hydraulic support grid box type structure |
| 12/09/2009 | CN100566917C Production method of copper-tungsten alloy conducting nozzle of cylindrical form |
| 12/09/2009 | CN100566914C Solid copper plating welding wires with excellent arc stability |
| 12/09/2009 | CN100566910C Electrode tip |
| 12/08/2009 | CA2644189C Nozzle/wire guide assembly for robotic tig welding torch |
| 12/03/2009 | WO2009146359A1 Welding training system |
| 12/03/2009 | WO2009144301A1 Manufacture of a portion of a metal part using the mig method with pulsed current and wire |
| 12/03/2009 | WO2009143917A1 Wire guiding system |
| 12/03/2009 | WO2009143882A1 Arc welding robot |
| 12/03/2009 | WO2009143540A1 Method for producing a structure on a surface of a metal workpiece |
| 12/03/2009 | WO2009114753A3 Video recording device for a welder's helmet |
| 12/03/2009 | US20090298024 Welding training system |
| 12/03/2009 | US20090294428 Method of controlling arc welding |
| 12/03/2009 | US20090294427 Method of pulse welding and contact tip therefor |
| 12/03/2009 | US20090294426 System and method for beam-to-column welding |
| 12/03/2009 | US20090294425 Magnetarc welding method for workpieces with open cross-sections |
| 12/03/2009 | US20090294413 Method and apparatus for proportional valve actuation in a plasma cutter |
| 12/03/2009 | US20090294103 Process to reduce the temperature of a hydrogen and carbon monoxide containing gas and heat exchanger for use in said process |
| 12/03/2009 | DE202009012170U1 Schutzschild mit Lappen Shield with cloth |
| 12/03/2009 | DE102009012886A1 Wärmerohrkühlsystem zur Verwendung mit einem Schweißbrenner Heat pipe cooling system for use with a welding torch |
| 12/03/2009 | DE102006048580B4 Verfahren und Vorrichtung zum rissfreien Schweißen, Reparaturschweißen oder Auftragsschweißen heißrissanfälliger Werkstoffe Method and apparatus for crack-free welding, repair welding and hardfacing materials susceptible to hot cracking |
| 12/03/2009 | CA2726237A1 Manufacture of a portion of a metal part using the mig method with pulsed current and wire |
| 12/02/2009 | EP2127796A1 Multipass butt-welded joint having excellent brittle crack propagation resistance, and welded structure |
| 12/02/2009 | EP2127795A2 Design of a T-shape weld connection |
| 12/02/2009 | EP2125281A1 Method for the refractory assembly of a carbon material and a copper alloy |
| 12/02/2009 | EP2125280A1 Device for machining workpieces |
| 12/02/2009 | EP1273383B1 Welding system |
| 12/02/2009 | CN201353691Y Automatic center seeking mechanism of nozzle intersection line welding machine |
| 12/02/2009 | CN201353680Y Electric welding pliers electrical conductor |
| 12/02/2009 | CN201353679Y Control system of IGBT inversion submerged arc welding machine |
| 12/02/2009 | CN201353678Y Special-shaped pipe fitting automatic welding device |
| 12/02/2009 | CN201353677Y Co2 wave-control inverter power of flexible switch |
| 12/02/2009 | CN201353676Y TIG welding power supply closed-loop fuzzy control system |
| 12/02/2009 | CN201353675Y Suspended automatic nozzle intersection line welding device |