| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 11/18/1997 | CA2110832C Inverter power supply for welding |
| 11/13/1997 | WO1997041992A1 Welding torch with a contact socket and a feed device |
| 11/13/1997 | DE19651802C1 Method of joining steel components or workpieces |
| 11/13/1997 | DE19617975A1 Stud welding with raised stud arc striking |
| 11/12/1997 | CN1164453A Method for controlling inverse arc-welding power source time-varying output characteristics for carbon dioxide welding |
| 11/12/1997 | CN1036380C Method and device for keeping inert protective gas in welding zone |
| 11/11/1997 | US5686002 Buttwelding beveled joints, gtaw |
| 11/11/1997 | US5686001 Variable polarity arc technology for the repair of coated articles |
| 11/11/1997 | US5686000 Device for cleansing welding torches |
| 11/11/1997 | US5685771 Enclosure for maintaining a controlled atmosphere around a work station |
| 11/11/1997 | CA2204928A1 Method for heat treatment of a rail joint which is produced by fusion welding, and a burner arrangement which is intended for use in such a method |
| 11/11/1997 | CA2095301C Control system for alternating current tig welder |
| 11/06/1997 | WO1997040956A1 Contact tip for arc welding |
| 11/06/1997 | WO1997040955A1 Improved welding apparatus and method |
| 11/06/1997 | WO1996031313A3 Welding a stack of thin metal sheets |
| 11/05/1997 | EP0668813B1 Tool holder, in particular for robot welding or cutting torches |
| 11/05/1997 | EP0580703B1 Overlaying of plates |
| 11/05/1997 | CN1163812A Consumption electrode-type arc welder |
| 11/05/1997 | CN1163811A Plasma cutting or arc melding power supply with phase staggered secondary switchers |
| 11/05/1997 | CN1036323C Non-consumable electrod inert-gas arc welding method and device for welding metals with welded seam having no burn mark |
| 11/04/1997 | US5683602 Welding power supply |
| 10/30/1997 | WO1997039852A1 Gas lens assembly |
| 10/30/1997 | DE19713732A1 Immersible system for excluding water for thermal welding process under water |
| 10/30/1997 | DE19713701A1 Development of compressive residual stresses in corrosion resistant steels and superalloys |
| 10/30/1997 | DE19711955A1 Hard soldering process |
| 10/30/1997 | CA2248858A1 Gas lens assembly |
| 10/29/1997 | EP0803310A1 Welding wire feeder, particularly for aluminium wire |
| 10/29/1997 | EP0803309A1 Semi-automatic tig welding apparatus |
| 10/29/1997 | CN2265868Y Double wave rectifier arc welder |
| 10/29/1997 | CN2265867Y Super microcrystalline iron core single-end inverse DC welder |
| 10/29/1997 | CN1163176A Welding power supply casing |
| 10/23/1997 | WO1997038819A1 Control method in multi-layer sequence welding |
| 10/23/1997 | WO1997038818A1 Method and apparatus for manufacturing gyroscope |
| 10/23/1997 | DE19615245A1 Flanged metal wheel with wear resistant coating |
| 10/22/1997 | CN1162513A Welding electrode of carbon ceramic composite materials |
| 10/22/1997 | CA2202121A1 Method and apparatus for determining the configuration of a workpiece |
| 10/21/1997 | US5678753 Metal working |
| 10/21/1997 | CA2075629C Process for the production of a heat exchanger and apparatus for carrying out the method |
| 10/21/1997 | CA2056337C Method of producing clad steel plate having good low-temperature toughness |
| 10/15/1997 | CN1161894A Sunface treatment method using discharging in liquid |
| 10/14/1997 | US5676867 Apparatus and method for monitoring and evaluating weld quality |
| 10/14/1997 | US5676857 Method of welding the end of a first pipe to the end of a second pipe |
| 10/08/1997 | EP0799666A1 Process and apparatus for reducing the emission of ozone produced during a gas shielded arc welding operation |
| 10/07/1997 | US5674419 Irridiation with high energy corpuscular rays, excuting spot welding at a surface of region in a manner so as to form first welding layer that each spot welded spots is half overlapped with adjuscent welding spot |
| 10/07/1997 | US5674418 Method for assembling a metal design panel on a metal support structure |
| 10/07/1997 | US5674417 Method and apparatus for welding shut a gas passage in vessels |
| 10/07/1997 | US5674411 Method of welding control rod tube ends and end caps |
| 10/02/1997 | WO1997035684A1 Arc welding method and stud with tapered annular welding edge for use with said method |
| 10/02/1997 | DE19611711A1 Verfahren zum Lichtbogenschweißen und zugehöriger Bolzen mit einem sich verjüngenden ringförmigen Schweißrand Method for arc welding and associated bolt with a tapered annular weld edge |
| 10/01/1997 | EP0797490A1 Welding method, and welding device for use therein, and method of analysis for evaluating welds |
| 10/01/1997 | EP0562111B1 Standoff control method and apparatus for plasma cutting machine |
| 10/01/1997 | CN2263564Y Frequency-modulation electric welder distant regulator |
| 10/01/1997 | CN1160618A Repair method and welding wire for repairing defect on the machined plane of iron casting |
| 09/30/1997 | US5672286 Method of welding aluminum drive shaft components |
| 09/25/1997 | WO1997034727A1 Portable welding unit |
| 09/25/1997 | DE19611597A1 Apparatus for welding with two wires |
| 09/25/1997 | DE19611583A1 Apparatus for welding with two wires |
| 09/24/1997 | CN2262972Y Argon arc welding straight bead welder |
| 09/24/1997 | CN1160460A Controller for permanent magnet generator |
| 09/23/1997 | US5670073 Water cooled gas metal arc welding gun |
| 09/23/1997 | US5670072 Method and apparatus for joining metal components with mitigation of residual stresses |
| 09/23/1997 | US5670071 MAG arc welding apparatus |
| 09/23/1997 | US5670070 Method and system for controlling the output of an engine driven welder |
| 09/23/1997 | US5669556 Nozzle for a welding torch having sputter build-up reducing configuration |
| 09/23/1997 | US5669547 Apparatus and method for supplying inert gas to a welding location |
| 09/17/1997 | EP0795373A1 Standoff control method and apparatus for plasma cutting machine |
| 09/17/1997 | EP0795372A1 Standoff control method and apparatus for plasma cutting machine |
| 09/17/1997 | EP0795371A1 Inert gas enclosure for gas flooding into bent vessel parts or pipes to be welded |
| 09/16/1997 | US5667709 Method of MAG arc welding |
| 09/16/1997 | US5667703 Process and gaseous mixture for arc welding of aluminium components |
| 09/16/1997 | US5667702 Process and gaseous mixture for arc welding of aluminium components |
| 09/16/1997 | US5667133 Oxidizing with a gas mixture contains oxygen gas and inert gas |
| 09/16/1997 | CA2137429C Method and apparatus for providing welding current from a brushless alternator |
| 09/12/1997 | WO1997032683A1 A control method for reducing spatter in co2 protective welding and pulsate wire feeder thereto |
| 09/12/1997 | WO1997025176A3 Process for the machining of workpieces using a laser beam |
| 09/11/1997 | DE19608089A1 Holder of an element undergoing welding |
| 09/10/1997 | EP0794029A1 Attachment for welding torch |
| 09/10/1997 | CN2261907Y Hand-held welding electrode holder |
| 09/10/1997 | CN1158777A Splash-reducing carbon dioxide arc welder |
| 09/09/1997 | US5665256 Cutting or welding system having phase loss detector and method of detecting phase loss for same |
| 09/09/1997 | US5665254 Method of manufacturing a reinforcing bar cage and apparatus for manufacturing the same |
| 09/04/1997 | WO1997031851A1 Conveyor device |
| 09/03/1997 | EP0601206B1 Method for controlling operation of a robot arm |
| 09/03/1997 | CN2261310Y Multifunctional A.C. and D.C. arc welder |
| 09/02/1997 | US5662820 Welding process for drawn ARC stud welding |
| 09/02/1997 | US5662264 Method for welding aluminum plates |
| 09/02/1997 | US5662145 Dual bias weld for continuous coiled tubing |
| 08/27/1997 | EP0791416A1 Method for the production of metallic cages for reinforced concrete and relative device |
| 08/27/1997 | CN1158096A Manufacture of internally enhanced welded tubing |
| 08/21/1997 | DE19605928A1 Joining of metal sheets serving as an outer skin |
| 08/20/1997 | EP0789786A1 Cobalt-free hardfacing alloys with improved welding characteristics |
| 08/20/1997 | EP0789640A1 Welding control using fuzzy logic analysis of video imaged puddle dimensions |
| 08/20/1997 | CN1157378A Wear resistant materials having excellent wear resistance and methods of manufacturing the material |
| 08/19/1997 | US5658477 Method and apparatus for welding a stack of stator laminations |
| 08/19/1997 | CA2037660C Methods of modifying surface qualities of metallic articles and apparatuses therefor |
| 08/13/1997 | EP0788993A1 Roll for take-up equipment for hot rolling mill |
| 08/13/1997 | EP0788418A1 Stud welding device |
| 08/13/1997 | CN2259254Y Energy-saving multi-purpose welding machine |
| 08/13/1997 | CN1156648A Electric arc welding |
| 08/12/1997 | US5656183 Repairing method with welding and build-up welding apparatus for metal member |