| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 07/22/2009 | EP2080577A1 A method, apparatus and system for measuring a welding-groove position |
| 07/22/2009 | EP2080576A1 Control method for ARC welding apparatus and ARC welding apparatus |
| 07/22/2009 | EP2079557A1 Retainer for a welding wire coil |
| 07/22/2009 | CN201275661Y In-tube inflating and packing apparatus |
| 07/22/2009 | CN201275660Y Gas protecting electric welding machine |
| 07/22/2009 | CN201275659Y Full-automatic inner loop seam welding manipulator |
| 07/22/2009 | CN201275658Y Arc-welding power supply circuit apparatus realizing digital control |
| 07/22/2009 | CN201275657Y Electricity-saving type welder |
| 07/22/2009 | CN201275656Y Inversion type direct-current welding machine |
| 07/22/2009 | CN201275655Y Welder capable of automatically detecting earthing state |
| 07/22/2009 | CN201275654Y Stud welder and stud welder high-frequency transformator |
| 07/22/2009 | CN101489710A Welding method and welded product |
| 07/22/2009 | CN101486126A Anti-interference double-wire alternating current-direct current submerged arc welding method |
| 07/22/2009 | CN101486125A Shield-arc welding device with aerating device inside tube |
| 07/22/2009 | CN101486124A Multi-structured light binocular composite vision weld joint tracking method and device |
| 07/22/2009 | CN101486123A 焊接机器人 Welding robots |
| 07/22/2009 | CN101486122A Short circuit discrimination method for consumable electrode arc welding |
| 07/22/2009 | CN100515648C Electron beam wselding method and its welded structural unit |
| 07/22/2009 | CN100515647C Method of welding low alloy high strength steel |
| 07/22/2009 | CN100515646C Necking checking and control method for melted electrode arc welding |
| 07/22/2009 | CN100515645C Welding process of motor driven rimer for kneading machine |
| 07/16/2009 | WO2009088284A1 Welding method for the manufacture of a removable tow bar for private motor vehicles |
| 07/16/2009 | WO2009087303A2 Method for weld-deposition for a part with inclusion of ceramic particles in the weld |
| 07/16/2009 | US20090179021 Welding robot |
| 07/15/2009 | EP2078582A1 Submerged arc welding method for tubes using several welding heads |
| 07/15/2009 | EP2078581A2 MAG welding method for an assembly with joggled edge |
| 07/15/2009 | EP2078580A2 MAG welding method with low-power rotating arc |
| 07/15/2009 | EP2078164A1 A support matrix arrangement |
| 07/15/2009 | EP2077926A1 Repair of the riveted joints of a vehicle roof |
| 07/15/2009 | CN201271779Y Gun type welding tongs |
| 07/15/2009 | CN201271778Y Inner loop weld joint welding arm |
| 07/15/2009 | CN201271777Y Electric welding tongs |
| 07/15/2009 | CN201271776Y Metal plate drawing gun |
| 07/15/2009 | CN201271775Y Walking engaging and disengaging gear for automatic back sealing welding |
| 07/15/2009 | CN201271774Y Soft starting plate for IGBT inverter manual metal-arc welding machine |
| 07/15/2009 | CN201271773Y Plasma arc welding power supply |
| 07/15/2009 | CN101480751A Consumable electrode automatic welding torch |
| 07/15/2009 | CN101480750A Thermostatic expansion valve power head argon welding device |
| 07/15/2009 | CN101480749A Total digital control method for inverter-controlled arc welding power supply with pulsed variable polarity output |
| 07/15/2009 | CN101480748A Digital energy-storage welding power supply control method based on DSP |
| 07/15/2009 | CN101480747A Double-wire bonding control method based on CAN bus |
| 07/15/2009 | CN100513042C Gas metal buried arc welding of lap-penetration joints |
| 07/15/2009 | CN100513041C Automatic welding process and device for long pipe joint in boiler pipe header |
| 07/15/2009 | CN100513040C Power source for electric arc welding |
| 07/14/2009 | US7560662 Equipment and process for applying an external structural weld to piping and similarly shaped pressure boundary components |
| 07/14/2009 | CA2536051C Welded structure having improved resistance to stress corrosion cracking |
| 07/09/2009 | WO2009085414A1 Multi-stage compressor in a plasma cutter |
| 07/09/2009 | WO2009085373A1 Plasma cutter having thermal model for component protection |
| 07/09/2009 | WO2009085370A1 Plasma cutter having high power density |
| 07/09/2009 | WO2009083765A1 Wire feeder having changeable housing |
| 07/09/2009 | US20090173727 Butt-joint Welding Method |
| 07/09/2009 | US20090173726 Automatic Weld Arc Monitoring System |
| 07/09/2009 | US20090173725 Weld cap and tip inspection method and apparatus |
| 07/09/2009 | DE112007002123T5 Bogenentladungsspannungsschätzung und Verwendung von Bogenentladungsspannungsschätzung in thermischen Prozessiersystemen Arc voltage estimation and use of arc voltage estimation in thermal Prozessiersystemen |
| 07/09/2009 | CA2695501A1 Wire feeder having changeable housing |
| 07/08/2009 | EP2076615A2 Method and device for the crack-free welding, repair welding, or surface welding of materials prone to forming hot cracks |
| 07/08/2009 | EP2076351A1 Insert element, gas lens comprising such an insert element, and welding torch comprising such a gas lens |
| 07/08/2009 | CN201267914Y Inversion portable arc welding machine housing |
| 07/08/2009 | CN201267913Y Vehicle-mounted battery charging and electric welding dual-purpose machine |
| 07/08/2009 | CN201267912Y Photoelectric controlled argon arc welding equipment for steel pipe |
| 07/08/2009 | CN201267911Y Automatic carbon arc gouging machine |
| 07/08/2009 | CN101479072A Electronic polarity reversing switch for a multi-process welding power source |
| 07/08/2009 | CN101474712A Biphase steel SA-240 S31803 manual arc welding (SMAW) welding process |
| 07/08/2009 | CN101474711A Arc discharge type capacitance energy storage stud welding machine |
| 07/08/2009 | CN101474710A High-intensity band steel welding process |
| 07/08/2009 | CN101474709A Aluminum and aluminum alloy handwork double-gun double-face TIG welding technique |
| 07/08/2009 | CN101474708A Method and system for realizing electric arc wire feeding for arc welding power source |
| 07/08/2009 | CN101474707A Novel consumable electrode gas shielded welding power-supply apparatus |
| 07/08/2009 | CN101474706A Soft switch CO2 wave control inverter control method |
| 07/08/2009 | CN101474705A Inverter energy-saving electric shock-proof submerged arc welding machine |
| 07/08/2009 | CN101474704A Energy-saving wireless remote control arc welding apparatus |
| 07/08/2009 | CN101474703A Seal welding method of shell type heat exchanger pipe sheet stainless steel composite layer and carbon steel tube |
| 07/08/2009 | CN101474702A Biphase steel SA-240 S31803 handwork tungsten electrode argon arc GTAW welding process |
| 07/08/2009 | CN100509268C Method for manufacturing barber scissors |
| 07/08/2009 | CN100509253C Controlled thermal expansion of welds to enhance toughness |
| 07/08/2009 | CN100509243C Installing and soldering technique of inlet, outlet slip ring of large-scale sliding crawler mill barrel |
| 07/08/2009 | CN100509242C Consumable electrode gas protection arc welding method with constant current performance |
| 07/08/2009 | CN100509241C Wire advancing device |
| 07/08/2009 | CN100509240C Buffer device for a welding wire and welding unit |
| 07/08/2009 | CN100509239C Output controlling means for power source of electric arc welding |
| 07/08/2009 | CN100509238C Pulsed arc welding method |
| 07/08/2009 | CN100509237C Electric arc welder and welding method thereof |
| 07/07/2009 | US7557589 Gap detection device for laser beam machine, laser beam machining system and gap detection method for laser beam machine |
| 07/07/2009 | US7557458 Soundproof type engine generator |
| 07/07/2009 | US7557327 Method of pulse welding and contact tip therefor |
| 07/07/2009 | CA2535145C Method of ac welding |
| 07/07/2009 | CA2452896C Method and apparatus for performing welding at elevated temperature |
| 07/07/2009 | CA2328804C Method of connecting two elongated portions of metallic plate, method of manufacturing exhaust pipe of two-passage construction, and exhaust pipe of two-passage construction |
| 07/02/2009 | WO2009082658A1 Weld stud |
| 07/02/2009 | WO2009082238A2 Electric welding of aluminium or aluminium alloy |
| 07/02/2009 | US20090169912 Apparatus and Methods of Improving Riser Weld Fatigue |
| 07/02/2009 | US20090166345 Wire feeder having changeable housing |
| 07/02/2009 | US20090166344 Method and Apparatus for Short-Arc Welding |
| 07/02/2009 | US20090166338 Preserving apparatus for welded joint portion and preserving method therefor |
| 07/02/2009 | US20090166179 Induction Device |
| 07/02/2009 | DE102007061678A1 Electric arc welding torch for welding purposes comprises a blast connection having a rear fitting for the front end of a wire feed with an axis arranged eccentrically to the parallel axis of the wire bore of a contact nozzle |
| 07/02/2009 | CA2709970A1 Electric welding of aluminium or aluminium alloy |
| 07/01/2009 | EP2075077A2 Method and apparatus for making elbow connections in tubular elements. |
| 07/01/2009 | EP1750893B1 Laser hybrid welding method and laser hybrid welding torch using a zinc and/or carbon and/or aluminum-containing rod |
| 07/01/2009 | EP1490194A4 Two stage welder and method of operating same |