| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 12/10/2008 | CN101318250A Inverter electric welding machine and welding method thereof |
| 12/10/2008 | CN101318249A Electricity-saving material-reducing technical scheme for AC arc welder |
| 12/10/2008 | CN101318248A Method and equipment for soldering anti-rust conductive metal on steel rail surface |
| 12/10/2008 | CN101318247A Steel bloom centering hole processing device |
| 12/10/2008 | CN100441365C Surfactant for magnesium alloy TIG welding and its prepn process and usage |
| 12/10/2008 | CN100441364C High ductility buried arc welding wire for low-alloy super-strength steel |
| 12/10/2008 | CN100441362C Process for welding hydraulic turbine stainless steel rotary wheel by using flux-cored wire mixture gas protection weldering |
| 12/10/2008 | CN100441356C Steamer generator stator core welding deformation controlling means |
| 12/10/2008 | CN100441355C Butt-joint special apparatus and method for aluminium alloy pipe |
| 12/10/2008 | CN100441354C Welding structure and welding method for aluminum accumulator and heat exchanger |
| 12/10/2008 | CN100441353C Consumable electrode arc welding method |
| 12/09/2008 | US7462803 Disconnection box for a robot system |
| 12/09/2008 | US7462799 Welding shielding gas flow rate-limiting apparatus |
| 12/09/2008 | CA2484435C Temperature indicating consumable |
| 12/04/2008 | WO2008146818A1 Method of preparing through holes in tube body wall surfaces, and tube body structure |
| 12/04/2008 | WO2008146791A1 Uoe steel pipe and method for production thereof |
| 12/04/2008 | WO2008144785A1 Welding system and method for transmitting information and for influencing parameters of a welding system |
| 12/04/2008 | US20080298102 Power Converter With Low Loss Switching |
| 12/04/2008 | US20080296278 Automatic welding wire feed adjuster |
| 12/04/2008 | US20080296277 Induction heated, hot wire welding |
| 12/04/2008 | US20080296276 Welding-Type Power Source with Integrated Open-Circuit Voltage Controller |
| 12/04/2008 | US20080296265 Shielded metal arc welding machine |
| 12/04/2008 | CA2688062A1 Uoe steel pipe and a method for its manufacture |
| 12/03/2008 | EP1997579A1 Flux-cored wire for different-material bonding and method of bonding different materials |
| 12/03/2008 | EP1997578A1 High heat input butt-welded joint excelling in brittle fracturing resisting performance and method of verifying brittle fracturing resisting performance of high heat input butt-welded joint |
| 12/03/2008 | EP1996367A1 Method of determining the shape of a weld pool appearing during implementation of a welding process |
| 12/03/2008 | EP1324853B1 Apparatus and process for assembling exhaust processor components |
| 12/03/2008 | CN201157956Y Welding device with circular trace operation |
| 12/03/2008 | CN201157954Y Elastic collet for pointed electrode installation |
| 12/03/2008 | CN201157948Y Energy-saving device for electric welding machine |
| 12/03/2008 | CN201157947Y Compensation circuit for implementing contravariant welding machine electric power outputting current steadily |
| 12/03/2008 | CN201157946Y Argon arc-welding set output circuit without output electric reactor |
| 12/03/2008 | CN201157945Y Isolated argon arc-welding set welding gun switch signal capturing circuit of transformer |
| 12/03/2008 | CN101316676A Plasma torch with corrosive protected collimator |
| 12/03/2008 | CN100439532C Apparatus using corrosion/abrasion resistant alloy for coating metal surface |
| 12/03/2008 | CN100439030C Technique for repairing surface damage on piston rod of hydraulic ram, and dedicated repairing tools |
| 12/02/2008 | US7459654 Controlled fusion in a field reversed configuration and direct energy conversion |
| 12/02/2008 | US7459219 Items made of wear resistant materials |
| 12/02/2008 | CA2464903C Wire feeder operable with lower minimum input voltage requirement |
| 11/27/2008 | US20080290079 Method for controlling and/or adjusting a welding process |
| 11/27/2008 | US20080290072 Welding torch handle |
| 11/27/2008 | US20080290070 Method for manufacturing multi-pitch flashing |
| 11/27/2008 | US20080289516 Method and Device for Strapping Goods |
| 11/27/2008 | DE202008012301U1 Vorrichtung zum Fördern eines Zusatzwerkstoffes Apparatus for conveying a filler material |
| 11/27/2008 | DE102007022863A1 Verfahren und Vorrichtung zum unlösbaren Verbinden von Bauteilen aus wärmeschmelzbarem, metallischen Werkstoff Method and device for the permanent connection of components of heat-fusible metallic material |
| 11/26/2008 | EP1993772A2 High current ac welder |
| 11/26/2008 | EP1536911B1 Improved forge welding process |
| 11/26/2008 | EP1299692A4 Method and apparatus for measurement of a consumable electrode |
| 11/26/2008 | CN201154412Y Complete insulation electrode holder |
| 11/26/2008 | CN201154411Y Welder |
| 11/26/2008 | CN201154410Y No-load auto-power-off apparatus of electric welder |
| 11/26/2008 | CN101310914A Surfacing welding rod of transition layer of sink roller for melted zinc bath and surfacing technique |
| 11/26/2008 | CN101310909A Automatic welding process of skewed tube fillet of boiler separator |
| 11/26/2008 | CN101310908A High intensity steel gas shielded welding technique method |
| 11/26/2008 | CN100436033C Welding electrode holder |
| 11/26/2008 | CN100436032C Solid-core welding wire for gas shielded welding |
| 11/26/2008 | CN100436023C Plasma cutting method and apparatus thereof |
| 11/26/2008 | CN100436022C Generator for arc welder with high power factor |
| 11/26/2008 | CN100436021C An Automatic built up welding method and equipment |
| 11/26/2008 | CN100436020C Welding method of container inner side plate and appts thereof |
| 11/25/2008 | US7457139 Power supply apparatus for arc-utilizing apparatuses |
| 11/25/2008 | US7456373 Welder with front mount fan |
| 11/25/2008 | US7455373 Engine welder cabinet |
| 11/25/2008 | CA2508509C Nozzle assembly for welding torch |
| 11/25/2008 | CA2465439C Method and apparatus for arc welding with wire heat control |
| 11/25/2008 | CA2403596C Method of welding three-dimensional structure and apparatus for use in such method |
| 11/20/2008 | WO2008140873A1 Seam-welded 36 ni-fe alloy structures and methods of making and using same |
| 11/20/2008 | WO2008140398A1 Welding power supply |
| 11/20/2008 | WO2008140397A1 Device and method for powder handling for welding apparatus |
| 11/20/2008 | WO2008138304A2 Hybrid welding method and device and subsequent mag welding |
| 11/20/2008 | WO2008092135A3 Multi-wire electron discharge machine |
| 11/20/2008 | US20080286598 Abrasion and impact resistant coatings |
| 11/20/2008 | US20080283512 Wilding electrode driving system |
| 11/20/2008 | US20080283511 Power cord system for welding-type devices |
| 11/20/2008 | US20080283510 Monitoring Method and Device by Shadowscopy |
| 11/20/2008 | US20080283507 Plasma treatment apparatus and method of plasma treatment |
| 11/20/2008 | US20080283505 Welding torch cable strain relief system and method |
| 11/19/2008 | EP1992444A1 Underwater repair welding method |
| 11/19/2008 | EP1992440A1 Welding device |
| 11/19/2008 | EP1268111B1 Device for electric welding under gaseous atmosphere |
| 11/19/2008 | CN201151026Y Hat-like punching solder nail |
| 11/19/2008 | CN201151020Y Device for rapidly changing tungsten bar in clad-welding device for bimetallic wire blank |
| 11/19/2008 | CN201151019Y Auto wire feeder for argon arc welding wire |
| 11/19/2008 | CN201151018Y Arc-guiding device for welding box beam |
| 11/19/2008 | CN101309774A Submerged arc narrow gap welding with oscillating electrode |
| 11/19/2008 | CN101309773A Method for controlling arc welding and arc welding apparatus |
| 11/19/2008 | CN101306492A Laser-double arc double sided compound welding method of T shaped joint |
| 11/19/2008 | CN101306489A Wedge type electrode holder |
| 11/19/2008 | CN101306488A Double arc four wire automatic arc-submerging welder and manufacture method thereof |
| 11/19/2008 | CN101306487A Safe type inverse direct-current welding machine |
| 11/19/2008 | CN101306486A Contravariant arc welding machine control device and control method thereof |
| 11/19/2008 | CN101306485A Rotary electrode electric-fusion welding automatic back gouging device |
| 11/19/2008 | CN100434227C Welding joint structure and welding method for thin-wall and small-diameter aluminium alloy pipe |
| 11/19/2008 | CN100434226C Bulb through-flow units radial type rotor support rack welding deformation controlling means |
| 11/19/2008 | CN100434222C Welding process and apparatus for major diameter roller |
| 11/19/2008 | CN100434221C Method of controlling the welding of a three-dimensional construction |
| 11/19/2008 | CN100434220C DC inverse arc welding machine |
| 11/19/2008 | CN100434219C TIG arc spot welding method with molten bath and stirring scraping |
| 11/18/2008 | US7453050 Flexible welding implement and method of manufacturing same |
| 11/18/2008 | US7452171 Welding stud |