| Patents for B23K 13 - Welding by high-frequency current heating (1,807) |
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| 12/10/2008 | EP1998927A1 Joining method |
| 12/10/2008 | CN201161326Y Control circuit of gas-protecting welding machine |
| 12/04/2008 | US20080296289 Movable heating system having fixed heating source for brazing stator bars |
| 12/03/2008 | EP1996364A1 Method and device for joining metal elements |
| 12/03/2008 | EP1996363A1 Process for connecting metallic structural elements and components produced thereby |
| 11/27/2008 | US20080292824 Plastic Composite Moulded Bodies Obtainable by Welding in an Electromagnetic Alternating Field |
| 11/27/2008 | DE102007023151A1 Method for joining of metal components, involves joining of metal components having cavity with corresponding joint faces of gas turbine by low- or high-frequency pressure welding process |
| 11/27/2008 | DE102007023150A1 Connecting metallic structural elements such as turbine blade and turbine blade head of gas turbine, comprises inserting filling material or mass into cavity of the elements, and then connecting by inductive high-frequency pressure welding |
| 11/26/2008 | EP1536911B1 Improved forge welding process |
| 11/20/2008 | US20080284046 Flip chip mounting method and bump forming method |
| 11/20/2008 | US20080283578 Methods and Apparatus for Wire Bonding with Wire Length Adjustment in an Integrated Circuit |
| 11/18/2008 | CA2466787C Stud welder |
| 11/12/2008 | CN201147868Y High-frequency welding machine for radiator header pipe end |
| 11/12/2008 | CN101304823A Method of manufacturing electric resistance welded tube with excellent weld characteristic |
| 11/12/2008 | CN101301721A Device for welding finned tube |
| 11/05/2008 | CN201143590Y Inversion welding source |
| 11/05/2008 | CN101300103A Method of producing seam-welded pipe having good welded portion characteristics |
| 11/05/2008 | CN101300090A Apparatus for manufacturing seam-welded pipe excelling in welded portion characteristic |
| 10/23/2008 | DE102005018478B4 Vorrichtung zum Induktionsschweißen von Kunststoffteilen Apparatus for induction welding of plastic parts |
| 10/22/2008 | EP1981678A1 Method and apparatus for the inductive high-frequency welding of metal products having different material thicknesses and/or material grades using at least two component induction conductors which are separable from one another |
| 10/22/2008 | EP1641588A4 Apparatus for performing a plurality of magnetic pulse forming or welding operations |
| 10/22/2008 | EP1631414B1 Method of induction weld forming with shear displacement step |
| 10/22/2008 | CN100427675C Metal cord |
| 10/08/2008 | EP1458514B1 Heat-sealing device for packaging material |
| 10/08/2008 | CN201128046Y Assembling structure of welder |
| 10/08/2008 | CN201128042Y Shading coil type electric machine fan device of electronic welding machine |
| 10/08/2008 | CN101281838A Vacuum cartridge fuse and process for manufacturing the same |
| 10/08/2008 | CN101281833A Application of high-frequency dielectric welding technique for soldering safety wire and method of use thereof |
| 10/07/2008 | US7431779 Ultrasonic impact machining of body surfaces to correct defects and strengthen work surfaces |
| 10/02/2008 | WO2008091699A3 Capacitive discharge welding power supply and capacitive discharge welder using the same |
| 10/01/2008 | CN201124282Y Power supply circuit for inverter welding machine |
| 09/25/2008 | US20080230586 Method of Manufacturing Electric Resistance Welding Pipes Having Excellent Characterization of Welded Seams |
| 09/23/2008 | US7426822 Metal cord |
| 09/23/2008 | CA2424491C High-strength steel sheet and high-strength steel pipe excellent in deformability and method for producing the same |
| 09/12/2008 | WO2008108450A1 Method for producing steel conduit tube and high si component or high cr component steel conduit tube |
| 09/10/2008 | CN201111636Y Welding equipment electricity-saving protecting device |
| 09/10/2008 | CN101259566A High pressure welding technique for metal hose joint |
| 09/04/2008 | WO2008105216A1 Electric resistance welded steel pipe prior to heat treatment and process for manufacturing the same |
| 09/04/2008 | US20080210681 Method for operating a heating device of an electric heating appliance having a plurality of heating devices |
| 09/03/2008 | CN101254565A Direct current welder using electromagentic furnace technology |
| 09/02/2008 | CA2413346C Apparatus and method for manufacturing hollow shafts |
| 08/27/2008 | EP1961501A1 Method of manufacturing electric resistance welded tube with excellent weld characteristic |
| 08/21/2008 | WO2008099943A1 Seam-welded steel pipe manufacturing method and its manufacturing apparatus |
| 08/21/2008 | CA2677770A1 Method and equipment for manufacturing electric resistance welded steel pipe |
| 08/20/2008 | CN101244482A Alloy sawblade welding method and welding machine by using the method |
| 08/13/2008 | CN101242926A System and method of computing the operating parameters of a forge welding machine |
| 08/06/2008 | CN201095023Y High efficiency energy-saving program control electric welding machine consuming no energy when idling |
| 08/06/2008 | CN201095022Y AC/DC welding machine non-idling safety bypass device |
| 08/06/2008 | CN101237218A High frequency application technology of low frequency semiconductor device |
| 08/06/2008 | CN101235812A Totally-enclosed -type compressor suction duct connecting mechanism |
| 07/31/2008 | CA2675975A1 Capacitive discharge welding power supply and capacitive discharge welder using the same |
| 07/30/2008 | EP1949998A2 Method for securing a yoke to a tube using magnetic pulse welding techniques |
| 07/30/2008 | CN100406187C Forge welding of tubulars |
| 07/29/2008 | US7405380 Portable electromagnetic induction heating device |
| 07/29/2008 | US7405379 System for applying an isolation layer to a brazed end of a generator armature winding bar |
| 07/24/2008 | US20080173633 Apparatus for controlling an electrical cooker and related method thereof |
| 07/16/2008 | CN201087856Y Cutting torch capacitor height regulating instrument |
| 07/15/2008 | US7399264 High frequency induction welding of austenitic stainless steel for pressure vessel tubing |
| 07/09/2008 | CN201083985Y Electric welding machine output safety voltage controller |
| 07/03/2008 | WO2007076030A3 System and method for control of supplemental appliances |
| 06/25/2008 | CN101206489A Device and method for improving energy output stability of spot welding machine |
| 06/19/2008 | US20080142507 Method for controlling an apparatus having electric heating |
| 06/18/2008 | CN101203351A Method and device for controlling soldering angle |
| 06/11/2008 | CN101195134A Method for the production of heat-exchange tubes |
| 06/10/2008 | US7385163 Fuel tank assembly and method of assembly |
| 06/04/2008 | CN101190489A Method for processing galvanized welded pipe for low pressure fluid convey |
| 06/04/2008 | CN100391674C High frequency induction welding method for connector in high-frequency line |
| 05/21/2008 | CN101181762A Working state checking circuit for high-frequency inverter-type welder |
| 05/20/2008 | US7374134 Systems and methods for semi-permanent, non-precision inspace assembly of space structures, modules and spacecraft |
| 05/08/2008 | US20080105671 Induction Heating Apparatus for Heat Treating a Section of Pipe |
| 04/30/2008 | CN201052659Y Intelligent high-frequency electric-fusion welding machine |
| 04/29/2008 | US7364062 Magnetic pulse welding of steel propshafts |
| 04/23/2008 | EP1912758A2 System and method of computing the oerating parameters of a forge welding machine |
| 04/17/2008 | WO2008044323A1 Apparatus for manufacturing seam-welded pipe excelling in welded portion characteristic |
| 04/10/2008 | US20080083734 Method and circuit for preventing over-heat of heat-generating device |
| 04/03/2008 | WO2008003295A3 Method for repairing and/or replacing individual elements of a gas turbine component |
| 04/02/2008 | CN100377829C Forge welding of heavy duty tubulars |
| 04/02/2008 | CN100377828C Method for joining expandable tubulars |
| 03/26/2008 | EP1307824A4 Gap welding process |
| 03/25/2008 | US7348523 Method of induction weld forming with shear displacement step |
| 03/19/2008 | EP1899103A1 Method for the inductive high-frequency pressure welding of metallic structural elements using at least two different frequencies and component produced by said method |
| 03/18/2008 | US7344609 Quality, long service life structural materials having relaxed residual stress patterns and reformed grain boundaries |
| 03/12/2008 | EP1896216A1 Component and method for joining metal elements |
| 03/06/2008 | US20080053523 Solar cell interconnect |
| 03/05/2008 | EP1531961B1 Forge welding of heavy duty tubulars |
| 03/05/2008 | EP1531959B1 Method of joining expandable tubulars |
| 02/27/2008 | EP1892054A1 Device and method for controlling welding angle |
| 02/27/2008 | CN101130197A Cold drawing, cold rolling production method for high-accuracy weldless steel tube |
| 02/27/2008 | CN100371096C Method of connecting metal plate |
| 02/14/2008 | DE10343760B4 Verfahren zur Herstellung oder Reparatur eines beschaufelten Rotors für eine Strömungsmaschine sowie dafür geeignete Schaufeln bzw. Ersatzschaufelabschnitte Process for the manufacture or repair of a bladed rotor for a turbomachine as well as suitable for this purpose blades or blade spare parts |
| 02/13/2008 | CN101124063A Welded joints with new properties and provision of such properties by ultrasonic impact treatment |
| 02/06/2008 | CN201017206Y Multiple welding source group control device |
| 01/23/2008 | CN201009051Y Touch-adjustment digital potentiometer for high-frequency electric welding machine |
| 01/16/2008 | CN201006566Y Welding squeezing roller |
| 01/15/2008 | CA2349339C Improved method of solid state welding and welded parts |
| 01/10/2008 | WO2008003295A2 Method for repairing and/or replacing individual elements of a gas turbine component |
| 01/10/2008 | CA2657005A1 Method for repairing and/or replacing individual elements of a gas turbine component |
| 01/09/2008 | CN201002166Y High-frequency IGBT inversion type hand welding power source |
| 12/27/2007 | WO2007147992A1 Production of a mechanical connection between bodywork parts |
| 12/13/2007 | US20070284363 Temperature control apparatus of heating jacket |