| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 04/22/2009 | EP2049861A1 Plastic heat exchanger and method of manufacturing the same |
| 04/22/2009 | EP2049299A2 Wire electrode drive pressure adjustment system and method |
| 04/22/2009 | EP1704012B1 Method of contactless ignition of a welding arc with high frequency ignition pulse packets |
| 04/22/2009 | CN201225491Y Oil delivery pipeline on-line restoring reinforced structure |
| 04/22/2009 | CN201224011Y Ultrasonic auxiliary electric spark deposition repair and ultrasonic polish integrated apparatus |
| 04/22/2009 | CN201224005Y Dipulse gas shield welding machine |
| 04/22/2009 | CN201224000Y Gantry welder |
| 04/22/2009 | CN201223999Y Automatic recovery system for welding flux |
| 04/22/2009 | CN201223993Y Welding gun for narrow cap gas-shield metal arc welding |
| 04/22/2009 | CN201223992Y Copying device of gantry type welding machine |
| 04/22/2009 | CN201223991Y Automatic welding apparatus for collecting box running nipple fillet |
| 04/22/2009 | CN101416366A Battery powered welder system utilizing vehicle powered AC inverter |
| 04/22/2009 | CN101415517A Apparatus and method for maintaining welding joint section |
| 04/22/2009 | CN101415516A Welding device |
| 04/22/2009 | CN101415515A Welding process |
| 04/22/2009 | CN101413050A Postweld heat welding method |
| 04/22/2009 | CN101412174A Method for confirming preheating temperature of steel material welding |
| 04/22/2009 | CN101412160A Tungsten electrode argon arc welding wire for Super304H austenite welding |
| 04/22/2009 | CN101412158A Flux-cored wire for producing hot rolling coiler wrapper roller by overlaying welding and overlaying welding method |
| 04/22/2009 | CN101412157A Control method of large-sized mining grinding mill end flange welding deformation |
| 04/22/2009 | CN101412156A Process for assembling and welding ultralong hollow shafting auger flight |
| 04/22/2009 | CN101412155A Method for producing GH4169 high-temperature alloy multiply laminate structure |
| 04/22/2009 | CN101412145A Welding process of union melt welding small divided edge |
| 04/22/2009 | CN101412144A Welding procedure of 0Cr11Ni2MoNbV thick plate material buried arc welding automatic arc welding |
| 04/22/2009 | CN101412143A Method for welding rocking arc narrow clearance melting electrode with gas protection and welding torch |
| 04/22/2009 | CN101412142A Welding procedure of 0Cr11Ni2MoNbV light sheet material handwork tungsten electrode argon arc |
| 04/22/2009 | CN101412141A Device for tracking welding of multiple-electrode longitudinal frame welding machine |
| 04/22/2009 | CN101412140A Zero-voltage soft switch topological main circuit of arc welding inverter |
| 04/22/2009 | CN101412139A Inversion welding source under finite both positive control mode |
| 04/22/2009 | CN101412138A Overlaying welding technique of carbide alloy on turbine blade serrated shroud |
| 04/22/2009 | CN101412137A Welding procedure of 0Cr11Ni2MoNbV medium plate material handwork arc welding |
| 04/22/2009 | CN101412136A Welding process of large-sized liquefied natural gas storage tank |
| 04/21/2009 | US7523069 Assessing and/or determining of user authorizations using a transponder, a finger print recognition routine or the like |
| 04/21/2009 | US7521647 Joining device |
| 04/21/2009 | US7521646 Collet and nut assembly for stud welder |
| 04/21/2009 | US7520415 Method of repairing a rail |
| 04/21/2009 | US7520043 Method of securing a tube in a bore through a spherical wall, and a device for depositing welding material in a facing |
| 04/21/2009 | CA2444233C Configurable securing assembly for neck of welding gun |
| 04/21/2009 | CA2421847C Method and apparatus for welding pipes together |
| 04/16/2009 | WO2009048017A1 Welding method for t-joint |
| 04/16/2009 | WO2009047873A1 Welding torch |
| 04/16/2009 | WO2009046583A1 An energy-saving multifunction arc welding power supply with no flux leakage |
| 04/16/2009 | WO2009013774A4 Machine used to assemble metal cages for reinforced concrete piles or similar items |
| 04/16/2009 | WO2006127646A3 Wide range static neutralizer and method |
| 04/16/2009 | WO2006096205A3 Carbon and metal nanomaterial composition and synthesis |
| 04/16/2009 | US20090095797 Clamping device for vehicle body transfer cart |
| 04/15/2009 | EP2048285A1 Corner joint structure for bridge pier and method of producing the same |
| 04/15/2009 | EP2048255A1 Austenitic stainless steel welded joint and austenitic stainless steel welding material |
| 04/15/2009 | EP2047941A1 Method for the strengthening of a welded connexion, and/or for the increase of tolerance of a welded connexion in relation to fatigue load ; Element for a tower of a wind turbine ; Tower of a wind turbine and wind turbine |
| 04/15/2009 | EP2047940A1 Preheating temperature during welding |
| 04/15/2009 | EP2047935A1 Rigidity reinforcement plate and method of producing rigidity reinforcement plate |
| 04/15/2009 | EP1802417A4 Methods for extending the life of alloy steel welded joints by elimination and reduction of the haz |
| 04/15/2009 | EP1716271A4 Hardfacing ferroalloy materials |
| 04/15/2009 | CN201220322Y Automatic welding gun apparatus |
| 04/15/2009 | CN201220321Y Air-cooling and water-cooling double-purpose argon welding gun combination |
| 04/15/2009 | CN201220320Y Cathode steel bar welding device |
| 04/15/2009 | CN201220319Y Novel energy-saving electric welding machine |
| 04/15/2009 | CN201220318Y Sampling circuit for inversion arc welding apparatus |
| 04/15/2009 | CN201220317Y Remote control circuit of inversion arc welding apparatus |
| 04/15/2009 | CN201220316Y Protective circuit of contravariant welding machine |
| 04/15/2009 | CN101410216A Method of cleaning a contact tube of a welding torch, and a welding torch and contact tube |
| 04/15/2009 | CN101407013A Little deformation welding process for mini car rear-axle housing |
| 04/15/2009 | CN101407000A Low-alloy heat-resistant steel submerged arc welding wire |
| 04/15/2009 | CN101406984A Fuzzy control method of TIG welding source ring closure |
| 04/15/2009 | CN101406983A Method for controlling CO2 welding machine |
| 04/15/2009 | CN101406982A Power generation type arc welder |
| 04/15/2009 | CN101406981A Non-leakage series energy-saving multifunctional arc-welding power supply |
| 04/15/2009 | CN101406980A Device and method for controlling length of electric arc |
| 04/15/2009 | CN101406979A Double-handpiece column roller overlaying welding machine tool |
| 04/15/2009 | CN101406978A Real-time detection method based on DSP brazing seam position |
| 04/15/2009 | CN100478111C Method for inert gas-shielded soldering Bashi alloying tungsten electrode |
| 04/14/2009 | US7518457 Microwave generator using a diamond SAW oscillator |
| 04/14/2009 | US7518088 Controller for arc welding robot |
| 04/14/2009 | US7518084 Joining system head, joining system, and method of feeding and joining elements |
| 04/14/2009 | US7518082 Method for arc welding of ductile cast iron |
| 04/14/2009 | CA2480360C Method and apparatus for welding |
| 04/09/2009 | WO2009045782A1 System and method for electroslag welding spliced vertical columns |
| 04/09/2009 | WO2009043537A1 Reinforcement of an annular groove of a piston for an internal combustion engine |
| 04/09/2009 | WO2009022213A3 Method of open root welding |
| 04/09/2009 | WO2009021024A3 Articulated thermal processing torch |
| 04/09/2009 | WO2006127037A3 Atmospheric pressure processing using microwave-generated plasmas |
| 04/09/2009 | WO2006099190A3 Plasmas and methods of using them |
| 04/09/2009 | US20090092514 Steel pipe for high strength line pipe superior in strain aging resistance and steel plate for high strength line pipe and methods of production of the same |
| 04/09/2009 | US20090090702 Automatic welding device of the mig/mag type |
| 04/09/2009 | US20090090699 System and Method for Electroslag Welding Spliced Vertical Columns |
| 04/09/2009 | DE10338774B4 Schweißbrennerelement, Bauteilkombination, Schweißbrenner und Schweißsystem Welding torch element, component combination, welding torch and welding system |
| 04/09/2009 | DE10338773B4 Schweißbrenner-Bauteilkombination, Schweißbrenner und Schweißsystem Torch-component combination, welding torch and welding system |
| 04/09/2009 | DE102007046676A1 Device for fastening a machining tool such as plasma torch to a driving device, comprises a base plate fixable in the driving device, and a receiving unit intended for receiving and fixing the machining tool |
| 04/09/2009 | DE102006039842B4 Verfahren und Vorrichtung zum Verschweißen eines Bauteils mit einem Werkstück nach dem Lichtbogenverfahren unter Schutzgas Method and apparatus for welding a component to a workpiece according to the electric arc process in a protective gas |
| 04/08/2009 | EP2043807A2 Flexible conductor tube for a welding gun |
| 04/08/2009 | EP2043806A2 Apparatus and method of oxidation utilizing a gliding electric arc |
| 04/08/2009 | EP1642366A4 Laser-weld process control system and method |
| 04/08/2009 | CN201217123Y Air cooling type argon arc welding gun |
| 04/08/2009 | CN201217122Y Magnetic disturbance resistant electric arc welding apparatus |
| 04/08/2009 | CN201217121Y Continuous coating welding gun clamping device of bimetallic wire blank |
| 04/08/2009 | CN201217120Y Guide device of semi-automatic buried arc welding machine |
| 04/08/2009 | CN201217119Y Novel argon welding arc starting voltage-doubling apparatus |
| 04/08/2009 | CN101402152A Steel-smelting revolving furnace smoke canal weld deposit process |
| 04/08/2009 | CN101402151A Welding method and apparatus for stop motion stick for motor stator iron core |
| 04/08/2009 | CN100475424C Backup controller for welding-type device remote controller and method of use |