| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 03/05/2008 | CN101134260A Three-filum open arc welding method |
| 03/05/2008 | CN100372643C Pail pack and welding wire package using it |
| 03/04/2008 | US7339135 Welding arc stabilization process |
| 03/04/2008 | US7339134 Extension lift truck modification |
| 03/04/2008 | US7339133 Stud welding method and stud welding device particularly for stud welding without a support foot |
| 02/28/2008 | WO2008022654A1 Electric current source, in particular welding current source |
| 02/28/2008 | US20080047942 Constant current welding power control system and method |
| 02/28/2008 | US20080047941 Power supply apparatus for welder |
| 02/28/2008 | US20080047522 Low fuel shut off for a portable welder generator |
| 02/28/2008 | US20080047520 Remote drain and filter arrangement for a portable generator system |
| 02/28/2008 | DE202006016484U1 Bolzenschweißvorrichtung Stud welding device |
| 02/27/2008 | EP1892310A2 High strength stick electrode |
| 02/27/2008 | EP1892054A1 Device and method for controlling welding angle |
| 02/27/2008 | EP1450981A4 Improved consumable electrode arc welding |
| 02/27/2008 | EP1390173A4 Highly ductile reduced imperfection weld for ductile iron and method for producing same |
| 02/27/2008 | EP1220731A4 Apparatus and method for welding duplex stainless steel |
| 02/27/2008 | CN201026556Y Light-type automatic welding machine for pipeline |
| 02/27/2008 | CN201026552Y Argon arc-welding set |
| 02/27/2008 | CN201026551Y Combined automatic welding device of gas shielded welding machine and profiling cutting machine |
| 02/27/2008 | CN201026550Y Mechanical arm used for electric perforation of seamless pipe blank |
| 02/27/2008 | CN201026549Y Device for welding brake disk of oil-well rig winch |
| 02/27/2008 | CN201026548Y Electricity-saving controller for welder |
| 02/27/2008 | CN201026547Y Poweron perforating device for on-line perforation of pipe blank |
| 02/27/2008 | CN201026546Y Punch for seamless tube blank |
| 02/27/2008 | CN100371122C Drive control method for electronic differential automatic tracking welding small trolley |
| 02/26/2008 | US7336512 Power convertor with low loss switching |
| 02/26/2008 | US7335854 Method and system of determining wire feed speed |
| 02/26/2008 | US7335853 Method for orbital welding using a pulsed current |
| 02/26/2008 | US7335852 Method and apparatus for welding |
| 02/26/2008 | US7335849 Stud welding method |
| 02/26/2008 | US7335434 Fuel cell separator assembly with diffusion layer, manufacturing method therefor, fuel cell unit, and fuel cell stack |
| 02/26/2008 | CA2240105C Method for automatic multi-layer welding |
| 02/21/2008 | WO2008021882A2 Equipment and process for applying an external structural weld to piping and similarly shaped pressure boundary components |
| 02/21/2008 | US20080041834 Robot Welding Controller and Control Method |
| 02/21/2008 | DE102006039094A1 Welding method used in the production of tubes comprises pre-treating the welding region in the same working step using an electric arc welding process without using a welding additional material |
| 02/21/2008 | DE102006038786A1 Steuerung einer Schweißvorrichtung Controlling a welding device |
| 02/21/2008 | DE102006038134A1 Plasmabrennerkopf, Plasmabrennerschaft und Plasmabrenner Plasma torch head, shaft and plasma torch plasma torch |
| 02/20/2008 | EP1889680A1 Process of welding of turbine components using a ceramic core introduced in an hollow part of the turbine component |
| 02/20/2008 | EP1888291A1 Wire feed control assembly |
| 02/20/2008 | EP1888290A1 Torch headtube assembly |
| 02/20/2008 | EP1888289A1 Protection of autoclave batten strips |
| 02/20/2008 | EP1888288A2 Torch having multi-path gas delivery system |
| 02/20/2008 | EP1888287A1 Torch feed roll adjustment lever |
| 02/20/2008 | EP1224995B1 Arc welding method and device |
| 02/20/2008 | CN201025594Y Three-phase loop energy-saving DC electric welder |
| 02/20/2008 | CN201025591Y Loop energy saving electric welder |
| 02/20/2008 | CN201025272Y A canister component inside compressor roller of heavy gas turbine |
| 02/20/2008 | CN201023176Y Oil pipe double-gun ring seam automatic welding machine |
| 02/20/2008 | CN201023170Y Revamped double-thread narrow clearance submerged arc welding machine |
| 02/20/2008 | CN201023169Y Submerged arc welding device |
| 02/20/2008 | CN201023168Y Air automatic breaking device for electric welder |
| 02/20/2008 | CN101128279A Method for controlling and/or regulating a welding device, and welding device |
| 02/20/2008 | CN101128278A Method of joining clad metals and vessel produced thereby |
| 02/20/2008 | CN101128273A High-strength welded steel pipe excellent in hydrogen embrittlement cracking resistance of weld metal and process for producing the same |
| 02/20/2008 | CN101126143A Directional freezing styloid or single-crystal nickel-base high-temperature alloy repairing or coating method |
| 02/20/2008 | CN101125390A Super speed inverting square wave composite pulse current pole-changing arc-welding power supply device |
| 02/20/2008 | CN101125389A Super speed inverting pole-changing square wave current arc-welding power supply device |
| 02/20/2008 | CN101125388A Ultrasonic square wave direct current pulse arc-welding power supply device |
| 02/19/2008 | CA2291694C Core welding wire with low nitrogen content |
| 02/14/2008 | WO2008018979A1 Electrically conductive contact tip comprising a non linear passage for a wire electrode; contact tip assembly comprising such contact tip |
| 02/14/2008 | WO2008018961A1 Welding wire feed system and method |
| 02/14/2008 | WO2008018960A1 Wire drive roll with a plurality of grooves for advancingwires and having mounting features uniquely associated with only one of the grooves; a drive mechanism with such wire drive roll; welding system with such drive mechanism |
| 02/14/2008 | WO2008018712A1 Plastic heat exchanger and method of manufacturing the same |
| 02/14/2008 | WO2008018594A1 Consumable electrode gas shield arc welding torch and power feed chip |
| 02/14/2008 | US20080035705 Welding shield for coupling heaters |
| 02/14/2008 | US20080035626 Wire electrode drive pressure adjustment system and method |
| 02/14/2008 | US20080035625 Wire drive roll |
| 02/14/2008 | US20080035624 Welding wire feed system and method |
| 02/14/2008 | US20080035623 Contact tip and assembly |
| 02/14/2008 | US20080035622 Welding current source for a welding apparatus |
| 02/14/2008 | US20080035621 Electronic Polarity Reversing Switch for a Multi-Process Welding Power Source |
| 02/14/2008 | US20080035620 Equipment and process for applying an external structural weld to piping and similarly shaped pressure boundary components |
| 02/14/2008 | DE102006057959B3 Profiled ceramic sections for use as melt bath linings in welding have similar curved front and rear surfaces, centers of curvature of surfaces being above central plane of profile |
| 02/14/2008 | DE102006016553B4 Verfahren und System zum Lichtbogenbolzenschweißen und Schweißbolzen Method and system for arc stud welding and welding studs |
| 02/13/2008 | EP1886756A1 Pulse arc welding control method and pulse arc welding device |
| 02/13/2008 | CN201020595Y Electric spot welder welding head holder |
| 02/13/2008 | CN201020594Y Non-heated wire submerged arc welder |
| 02/13/2008 | CN201020593Y Half-automatic profiling welding machine |
| 02/13/2008 | CN201020592Y Automatic-control type electric welding machine |
| 02/13/2008 | CN201020591Y Contravariant electric welding machine |
| 02/13/2008 | CN101124063A Welded joints with new properties and provision of such properties by ultrasonic impact treatment |
| 02/13/2008 | CN101121224A Automatic assembly welding device for car frame side beam |
| 02/13/2008 | CN101121217A Cooling device for welding gun |
| 02/13/2008 | CN101121216A Method for restoring slurry pump casing used for river and sea dredger |
| 02/13/2008 | CN100368134C Digital wire feeding system |
| 02/12/2008 | US7329834 Method and apparatus to automatically determine type of gun connected to a wire feeder |
| 02/12/2008 | US7329833 System for improved high-frequency arc starting of a welding process |
| 02/12/2008 | US7329828 Method for inert gas welding or inert gas soldering of workpieces comprising identical or different metals or metal alloys by means of an additional Zn/Al metal |
| 02/12/2008 | US7329827 Wire-guide nozzle assembly for a robotic TIG welding torch |
| 02/12/2008 | US7329826 Nozzle assembly for welding torch |
| 02/12/2008 | CA2390870C Method and apparatus for welding and control thereof |
| 02/07/2008 | WO2008016084A1 Tandem gas metal arc welding method, and welding torch and welding apparatus used in the method |
| 02/07/2008 | WO2008015728A1 Corner joint structure for bridge pier and method of producing the same |
| 02/07/2008 | WO2008015727A1 Rigidity reinforcement plate and method of producing rigidity reinforcement plate |
| 02/07/2008 | WO2008015353A1 Tig braze-welding with metal transfer in drops at a controlled frequency |
| 02/07/2008 | WO2008014756A1 Gripping arrangement |
| 02/07/2008 | US20080033551 Biocompatible surface modifications for metal orthopedic implants |
| 02/07/2008 | US20080029927 forming article to be heat treated, packing article to retain its shape, coating, encasing coated article in granular material and binding granular material together to form mold, heating encased article to first temperature to remove coating by melting, heating to second temperature to relieve stresses |
| 02/07/2008 | US20080029501 High Energy Density Beam Welding System Using Molten Droplet Jetting |
| 02/07/2008 | US20080029494 System and method for treating surfaces of components |