| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 02/04/1998 | CN2273635Y Automatic welding operation machine for full position welding pipeline |
| 02/04/1998 | CN1172460A Roll for take-up equipment for hot rolling mill |
| 02/03/1998 | US5715375 Robot control system for executing multi-layer welding |
| 02/03/1998 | US5714735 Method and apparatus for joining components with multiple filler materials |
| 02/03/1998 | US5714734 Inspection and control of titanium welds |
| 02/03/1998 | US5714731 Welding power supply arc starter |
| 02/03/1998 | US5714729 TIG welding method and welding torch therefor |
| 02/03/1998 | US5714205 Uniformly coating interior bore surfaces by applying molten metal particles radially dispensed and entrained in a carrier gas |
| 01/29/1998 | WO1998003295A1 Device for the heat treatment of a welding wire to be processed according to a hot-wire process |
| 01/29/1998 | WO1998003294A1 Welding robot control system |
| 01/29/1998 | DE19731941A1 Device for checking uncoiling movement of wire rolled up inside container esp. welding wire feed |
| 01/29/1998 | DE19654122C1 Computer-controlled welding unit e.g. for plastics, tubes |
| 01/29/1998 | CA2210814A1 Method and apparatus for following and inspecting an edge or border |
| 01/28/1998 | EP0820832A1 Engine driven arc welder |
| 01/28/1998 | EP0820831A1 Method for forming wear resistant facings on ring groove areas of pistons of aluminium materials; piston for combustion engines |
| 01/28/1998 | EP0788418A4 Stud welding device |
| 01/28/1998 | EP0758283B1 Fabrication of tubular wall thrust chambers for rocket engines using laser powder injection |
| 01/28/1998 | CN2273236Y Air cooled efficient long service time electric welding tongs |
| 01/28/1998 | CN2273235Y Self-releasing electric soldering turret |
| 01/28/1998 | CN1171316A CO2 gas protected semi-automatic vertical and\or vertical scarf welding technology |
| 01/27/1998 | US5712771 Power converter |
| 01/27/1998 | US5711474 Method and apparatus for welding tubular members |
| 01/22/1998 | WO1998002269A1 Welding electrode holder for coated electrodes |
| 01/21/1998 | EP0819495A2 Apparatus for joining metal components using broad, thin filler nozzle |
| 01/21/1998 | EP0819494A1 Welding power supply |
| 01/21/1998 | CN2272793Y Moving electrode holder for spot welder |
| 01/21/1998 | CN2272792Y Hand-operated welding tool for spot welding |
| 01/21/1998 | CN1037076C Method of bult-welding bar steel and device |
| 01/20/1998 | US5710696 For providing an output to a load |
| 01/20/1998 | US5710405 Noncracking |
| 01/20/1998 | US5710403 Orbital weldhead with integral cooling |
| 01/15/1998 | DE19715327A1 Method of forming end ring on cast iron pipe |
| 01/14/1998 | EP0818549A1 Nickel-based material in powder- or wireform for coating as well as the processes and uses thereof |
| 01/14/1998 | CN2272349Y Tracing mechanism for ripple automatic welding |
| 01/14/1998 | CN1036979C Welding technique for alloy steel dog iron and water-cooled wall tube in boiler combustion |
| 01/13/1998 | US5708254 Engine driven ARC welder |
| 01/13/1998 | US5708253 Apparatus and method for computerized interactive control, measurement and documentation of arc welding |
| 01/13/1998 | US5706863 Pipe section having padeye attachments |
| 01/08/1998 | WO1998000265A1 Process for narrow-gap welding by the mag arc welding process |
| 01/07/1998 | EP0816008A1 System for supervising piping work |
| 01/07/1998 | EP0816002A1 Gas confinement box used in combination with a welding head |
| 01/07/1998 | EP0816001A2 Method and apparatus for joining components with multiple filler materials |
| 01/07/1998 | CN1036902C System and method for controlling welding process for arc welder |
| 01/07/1998 | CN1036901C Inverter power supply for welding |
| 01/06/1998 | US5705790 Method of igniting a welding arc |
| 01/06/1998 | US5705786 Underwater welding |
| 01/06/1998 | US5704765 High chromium content welding material to improve resistance of corrosion method and device |
| 01/06/1998 | US5704692 Method of welding a sensor bracket to an axle |
| 01/06/1998 | US5704515 Ferrule applicator and method |
| 01/02/1998 | DE19626059A1 Stud welding apparatus with monitoring |
| 01/02/1998 | DE19623148A1 Production of hollow metal forming tools |
| 12/31/1997 | WO1997049518A1 Arc welding method |
| 12/30/1997 | US5703340 Method and apparatus for forming a hole for using cooling air in hole forming process |
| 12/30/1997 | US5702668 Cobalt-free hardfacing alloys with improved welding characteristics |
| 12/29/1997 | EP0813930A2 Method for repairing a nickel base superalloy article |
| 12/29/1997 | EP0813460A1 Smaw with continuous hig frequency |
| 12/27/1997 | CA2207897A1 Electric welding device and method of welding a fastening element |
| 12/24/1997 | CN1168308A Carbon-electrode argon plasma arc bead welding method |
| 12/23/1997 | US5700456 Compositions for the treatment and protection of hair, based on ceramide and/or glycoceramide and on polymers containing cationic groups |
| 12/17/1997 | EP0812647A2 Weld wire |
| 12/17/1997 | EP0812646A1 Method of manufacturing large diameter welded steel pipe having high strength and toughness |
| 12/17/1997 | CN2270590Y Electric welding energy-saving device |
| 12/16/1997 | US5698122 Dual switch for semi automatic welding gun |
| 12/16/1997 | US5698116 Electric welding device using welding material supplied in a wet environment |
| 12/10/1997 | EP0811454A1 Method for fabricating welded structure |
| 12/10/1997 | CN2269921Y Pressurized spray nozzle |
| 12/10/1997 | CN2269920Y Energy-saving controller for welder |
| 12/10/1997 | CN2269919Y Light energy-saving boot-leg arc welder |
| 12/09/1997 | US5696688 Method and apparatus for welding handle studs to cooking vessels |
| 12/09/1997 | US5695666 Method of welding neutron irradiated metallic material |
| 12/09/1997 | US5695665 Single pass arc welding of considerably thick metals using insulated stationary consumable electrodes |
| 12/09/1997 | US5695045 Stud feeder |
| 12/04/1997 | WO1997045227A1 Wire-guiding elements for a plurality of approximately mutually parallel welding wires for a welding torch |
| 12/04/1997 | DE19654316C1 Robotic welding torch used in the motorcar industry |
| 12/03/1997 | EP0810502A1 Control unit for a heating system |
| 12/03/1997 | CN2269261Y Welding gun for bar reinforcement joints |
| 12/03/1997 | CN2269260Y Tungsten argon arc heavy melting enforcing device for metal surface |
| 12/03/1997 | CN1166804A Stud welding device |
| 12/03/1997 | CA2206720A1 System for supervising piping work |
| 12/02/1997 | US5693286 Cart mounting a welding torch or cutting torch |
| 12/02/1997 | US5692700 Covers for welding wire reels |
| 11/26/1997 | EP0808683A2 Stud welding process |
| 11/26/1997 | EP0778797A4 Manufacture of internally enhanced welded tubing |
| 11/26/1997 | CN2268597Y Controller of welder |
| 11/26/1997 | CN2268596Y Anti-electric shocking device of energy saving arc welding transformer as separate power supply |
| 11/26/1997 | CN1036508C Consumable electrode D.C. ARC welder |
| 11/25/1997 | US5690844 Powder feed for underwater welding |
| 11/20/1997 | WO1997043074A1 Arc welding path detecting method and arc welding path sensor |
| 11/20/1997 | WO1997043073A1 Horizontal welding method and welding equipment |
| 11/20/1997 | WO1997043072A1 Mechanism for profiling connection portion of mutually penetrating bodies and pipe cutter |
| 11/19/1997 | EP0807002A1 Hand-operated cleaning device for cleaning the gas nozzle of a welding torch |
| 11/19/1997 | EP0807001A1 Driving device for the vertical adjustment of a gas cutting machine burner |
| 11/19/1997 | CN2268337Y high-power ac. arc-welding generator |
| 11/19/1997 | CN1165065A Welding power control apparatus for consumable-electrode type pulse arc welding, and method therefor |
| 11/18/1997 | US5688420 Low-hydrogen-type covered arc welding electrode for high strength CR-MO steels |
| 11/18/1997 | US5688419 Method for mitigating residual stresses in welded metal components using high torch travel speeds |
| 11/18/1997 | US5688414 Stud welding appartus |
| 11/18/1997 | US5688413 Stud welding apparatus |
| 11/18/1997 | CA2137435C Apparatus and method for synchronizing a firing circuit for a brushless alternator rectified d.c. welder |
| 11/18/1997 | CA2114853C Finned tube |