| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 06/22/2004 | CA2298789C Electric arc monitoring systems |
| 06/22/2004 | CA2281299C Method of controlling a welding process and controller therefor |
| 06/22/2004 | CA2265215C Welding monitoring system |
| 06/20/2004 | CA2453717A1 Laminate with butt-welded metal layers |
| 06/17/2004 | WO2004050288A1 Turbine rotor repair method |
| 06/17/2004 | WO2004039527A3 Welding method |
| 06/17/2004 | US20040115072 Compressor and aluminum members assembled by arc welding |
| 06/17/2004 | US20040112940 Apparatus and method for performing welding at elevated temperature |
| 06/17/2004 | US20040112883 Method of repairing a turbine blade and blade repaired thereby |
| 06/17/2004 | US20040112873 Break away fastening system |
| 06/17/2004 | US20040112580 Lining device for a plate heat exchanger |
| 06/17/2004 | DE202004003841U1 Welding of small components takes place in an inert gas atmosphere in compact unit having stereo microscope |
| 06/16/2004 | EP1429419A1 Method for conductively connecting two electrical conductors |
| 06/16/2004 | EP1429031A1 Aluminum compressor casing assembled by arc welding |
| 06/16/2004 | EP1428607A1 Method for TIG welding aluminium or stainless steel |
| 06/16/2004 | EP1428606A1 Apparatus and method for performing welding at elevated temperature |
| 06/16/2004 | EP1428605A1 Method and shielding gas for welding of cast iron |
| 06/16/2004 | EP1427564A1 Hybrid laser-arc welding method with gas flow rate adjustment |
| 06/16/2004 | EP1427560A1 Air feed weld gun with retractable piston |
| 06/16/2004 | EP1427559A2 Wire feeding apparatus |
| 06/16/2004 | CN2620608Y Intelligent silicon controller welder |
| 06/16/2004 | CN1153846C Method for producing a protective covering, and an engine with at least one component provided with a protective covering |
| 06/16/2004 | CN1153644C Consumption electrode-type arc welder |
| 06/16/2004 | CN1153643C Welding rod for build-up welding and its usage |
| 06/15/2004 | US6750429 Storage compartment for storing welding-type accessories |
| 06/15/2004 | US6750428 Automatic welding device and welding skill training device |
| 06/15/2004 | US6750427 Controlled welding output with fused electrode detection |
| 06/15/2004 | US6750426 Welding arrangement and method |
| 06/15/2004 | US6750417 Stud welding head |
| 06/10/2004 | WO2004048055A2 Method for creating a colored, engraved mark on a brick |
| 06/10/2004 | WO2004048025A1 Air-cooling type torch using magnetic force |
| 06/10/2004 | US20040108360 Auger welder station and method |
| 06/09/2004 | EP1425128A1 Remote controller and control unit for a welding device |
| 06/09/2004 | CN2619947Y Heat treatment furnace for pile-up welding large rolls |
| 06/09/2004 | CN2619749Y Automatic welding machine with double swing electrodes for butt-jointing plates |
| 06/09/2004 | CN1503893A Lining device for plate heat exchanger |
| 06/09/2004 | CN1502521A Welded structure with stress relief slot and liguefied gas transportation ship with such structure |
| 06/09/2004 | CN1502440A Power supply with snubber circuit |
| 06/09/2004 | CN1152766C Casting hole welding-on method and special welding-on machine |
| 06/08/2004 | US6747248 Welding torch and stream nozzle |
| 06/08/2004 | US6747247 Welding-type power supply with a state-based controller |
| 06/08/2004 | US6747246 Integrated mobile tool and welder power supply system |
| 06/08/2004 | CA2265278C Electric arc welder and controller therefor |
| 06/03/2004 | WO2004045797A1 Device and method for working tubes, in particular tubes of different diameters, and shim and set of shims for said device |
| 06/03/2004 | WO2004045787A1 An apparatus for carrying out an operation on a mechanical workpiece |
| 06/03/2004 | US20040104209 Screw air compressor for a welder |
| 06/03/2004 | US20040104203 Thermal cutting machine and cutting method using same |
| 06/03/2004 | DE202004003993U1 Device for manually advancing TIG welding wire in TIG welding comprises U-shaped sheet metal strip which surrounds middle finger of hand guiding welding wire |
| 06/02/2004 | EP1423226A1 Short-time arc welding system and associated method |
| 06/02/2004 | CN2618715Y High frequency arc striking device special for inverse welder |
| 06/02/2004 | CN2618714Y Auxiliary connector for screw-thread steel welding |
| 06/02/2004 | CN1500586A Electric current controlling method of pulse electric arc welding |
| 06/02/2004 | CN1152467C Method for compensation of equal section scale-checking of welding power source network voltage undulation |
| 06/02/2004 | CN1152465C DC power unit with electric arc apparatus |
| 06/02/2004 | CN1151905C Method and apparatus for steel welding of casing for sealed grain seed source |
| 06/01/2004 | US6744013 Welding torch for use in gas metal arc welding |
| 06/01/2004 | US6744012 Control method of arc welding and arc welder |
| 06/01/2004 | US6744011 Online monitoring system and method for a short-circuiting gas metal arc welding process |
| 06/01/2004 | US6744004 Method for welding a differential housing |
| 06/01/2004 | US6742698 Refractory metal backing material for weld repair |
| 06/01/2004 | US6742236 Making closed end tubes for surgical instruments |
| 05/27/2004 | WO2004043640A1 Electrode liner tube |
| 05/27/2004 | WO2004043639A1 Mig-plasma welding |
| 05/27/2004 | WO2004043637A2 Apparatus and methods for connecting a plasma arc torch lead to a power supply |
| 05/27/2004 | WO2004035242A3 Method for the production of hairdresser's scissors, and hairdresser's scissors |
| 05/27/2004 | WO2004028738A3 Burner comprising two wire supplying devices for welding apparatus, and welding method using one such burner |
| 05/27/2004 | US20040099714 Reduced weldment pre-heat technique for nickel based superalloys |
| 05/27/2004 | US20040099649 Controlled welding output with fused electrode detection |
| 05/27/2004 | US20040099648 Online monitoring system and method for a short-circuiting gas metal arc welding process |
| 05/27/2004 | DE10307066B3 Electric arc welding device comprises an alternating current rectifier, an inverter connected to the rectifier via an intermediate circuit, and a scanning unit |
| 05/27/2004 | DE10253415A1 Lichtbogen-Schweißvorrichtung, Verfahren zum Schweißen von Blechen an metallische Gegenstücke, und Schweißelement Arc welding apparatus, method for welding sheet metal to metal counterparts, and welding element |
| 05/27/2004 | CA2504202A1 Apparatus and methods for connecting a plasma arc torch lead to a power supply |
| 05/26/2004 | EP1422017A2 Welded structure with stress relief slot and LNG schip with such structure |
| 05/26/2004 | EP1422011A2 Power supply with snubber circuit |
| 05/26/2004 | EP1422010A1 Soldered copper heat exchangers and welding method of manufacturing them |
| 05/26/2004 | EP1276571B1 Gilled pipe |
| 05/26/2004 | EP1210202B1 Connector for connecting welding torch |
| 05/26/2004 | CN2617513Y High-speed pinpoint arc welding machine |
| 05/26/2004 | CN1499023A Constituted body for building and its mfg. method |
| 05/26/2004 | CN1498712A Tubular wire rod for double-electrode gas protective welding, its welding method and appts. |
| 05/26/2004 | CN1498711A Device and method for protecting contact end of welding ware |
| 05/26/2004 | CN1498710A Method of and appts. of electrical arc welding and welding element thereof |
| 05/25/2004 | US6740848 Welding torch for use in gas metal arc welding |
| 05/21/2004 | WO2004041470A2 Solid state switch for arc welding |
| 05/20/2004 | US20040095788 Power supply with snubber circuit |
| 05/20/2004 | US20040095704 Electrical shield for a welding apparatus |
| 05/20/2004 | US20040094528 Welding-type power supply with thermal management |
| 05/20/2004 | US20040094519 Plasma arc torch electrode |
| 05/20/2004 | US20040094514 Automatic orbital welding machine, and a welding process for pipes of a bundle of a heat exchanger |
| 05/19/2004 | EP1419844A1 Electrical shield for a welding apparatus |
| 05/19/2004 | EP1419843A2 Process for welding the ends of strip metal |
| 05/19/2004 | EP1419842A2 Welding method for elements made of stainless steel or nickel alloy type alloy 625 |
| 05/19/2004 | EP1419028A1 Electric arc welder for variable ac input |
| 05/19/2004 | EP1419027A1 Process for welding arc control by determining the instantaneous current and voltage |
| 05/19/2004 | DE202004003178U1 Automatic shielding gas cut off device, useful in shielding gas pipeline in TIG-welding, comprises supply lines for current, shielding gas, cooling water, switch cable |
| 05/19/2004 | CN2616331Y Clamping-adjustable electrode holder |
| 05/19/2004 | CN2616330Y Portable electric welding machine |
| 05/19/2004 | CN2616329Y Portable electric welding machine |
| 05/19/2004 | CN1496776A Single-side welding device |
| 05/19/2004 | CN1496775A Power supply of short-circuit arc-welding and automatic soldering machine using the power supply |