| Patents for B23K 9 - Arc welding or cutting (32,679) |
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| 04/27/2011 | CN102029457A Vertical butt welding process of high-strength steel for ship structures |
| 04/27/2011 | CN102029456A Arc welding method and arc welding system |
| 04/27/2011 | CN101559510B Double-sided multi-electrode penetrable electric arc welding method |
| 04/27/2011 | CN101480750B Thermostatic expansion valve power head argon welding device |
| 04/27/2011 | CN101412141B Device for tracking welding of multiple-electrode longitudinal frame welding machine |
| 04/27/2011 | CN101406980B Method for controlling length of electric arc |
| 04/27/2011 | CN101306488B Double arc four wire automatic arc-submerging welder and manufacture method thereof |
| 04/26/2011 | CA2579069C System for connecting welding studs to workpieces and device for positioning and separating welding studs for such a system |
| 04/26/2011 | CA2497810C Torch connection detection system and method |
| 04/21/2011 | WO2011047138A2 Low turbulence argon purging system |
| 04/21/2011 | WO2011045654A1 Welding helmet with integral user interface |
| 04/21/2011 | WO2011023688A3 Hand-held welding tool comprising a housing, a receptacle, a capacitor module and an interface |
| 04/21/2011 | WO2008108728A8 Contact device for welding apparatus |
| 04/21/2011 | US20110089144 Device for handling powder for a welding apparatus |
| 04/21/2011 | US20110088260 Brazing repair material and brazing repairing method using the material |
| 04/21/2011 | DE202010015678U1 Formiervorrichtung für miteinander zu verschweißende Rohrabschnitte Forming device for to be welded together pipe sections |
| 04/21/2011 | CA2777423A1 Low turbulence argon purging system |
| 04/21/2011 | CA2772474A1 Welding helmet with integral user interface |
| 04/20/2011 | EP2311595A1 Submerged arc welding device to be mounted on a first workpiece for welding the latter with a second workpiece |
| 04/20/2011 | EP2310160A1 A submerged arc welding process and a welding wire for submerged arc welding with solid lubricant on the surface of the wire |
| 04/20/2011 | EP2310159A2 System and method for weld removal, cutting, and gouging with vacuum removal of byproducts |
| 04/20/2011 | EP1448334B1 Method and device for detecting the quality of a welding seam during the welding of workpieces |
| 04/20/2011 | CN201799791U Welding machine capable of conveniently controlling angle |
| 04/20/2011 | CN201799763U Split type stainless steel pipeline welding back filled argon protection device |
| 04/20/2011 | CN201799762U Cooling device for overlaying mill abrasion-resistant composite plate |
| 04/20/2011 | CN201799761U Welding wire clamping tool |
| 04/20/2011 | CN201799760U Novel electric welding handle clamp |
| 04/20/2011 | CN201799759U Long effective conductive nozzle |
| 04/20/2011 | CN201799758U Tungsten electrode of large-power braze-welding tungsten-inert-gas (TIG) welding torch |
| 04/20/2011 | CN201799757U Stud welding gun with limit device |
| 04/20/2011 | CN201799756U Trackless submerged arc automatic welding machine for overlarge arc H-shaped steel structural member |
| 04/20/2011 | CN201799755U Semi-automatic carbon dioxide gas shielded arc welding machine |
| 04/20/2011 | CN201799754U Automatic large-power Tungsten Inert Gas (TIG) welding torch |
| 04/20/2011 | CN201799753U Voltage adaptive tungsten electrode argon arc welding machine |
| 04/20/2011 | CN201799752U Outer layer air current protective spray nozzle for high-power automatic TIG (tungsten inert gas) welding gun |
| 04/20/2011 | CN201799751U Welding structure adopting expansion after welding for heat exchange pipe and pipe sheet |
| 04/20/2011 | CN201799750U Wire feeding device for welding |
| 04/20/2011 | CN201799749U High-power automatic tungsten inert gas (TIG) welding torch arc swinging device |
| 04/20/2011 | CN201799748U Electricity-saving control device for electric welding machine |
| 04/20/2011 | CN201799747U Single-knob electric arc characteristic regulating circuit |
| 04/20/2011 | CN201799746U Automatic welding machine for welding lines of end plate |
| 04/20/2011 | CN201799745U Small-sized inverter welding machine |
| 04/20/2011 | CN201799744U Dual-purpose welding machine |
| 04/20/2011 | CN201799743U Wire feed device and electric arc welding device with same |
| 04/20/2011 | CN1827287B Welding flux |
| 04/20/2011 | CN102026769A Apparatus and method for cleaning welding torches |
| 04/20/2011 | CN102019829A High-abrasive resistance slide plate chair and production method thereof |
| 04/20/2011 | CN102019531A Portable ultrasonic auxiliary spark sedimentation repairing and polishing integrated device and process thereof |
| 04/20/2011 | CN102019522A Host assembly for automatic surface welding machine |
| 04/20/2011 | CN102019513A Thick metal plate back gouging-free welding groove technology and machining process |
| 04/20/2011 | CN102019509A Cutting method of special alloy cast iron |
| 04/20/2011 | CN102019492A Demagnetizing and deflective blow preventing device of pipeline welding line |
| 04/20/2011 | CN102019491A A lap joint device for welding cables |
| 04/20/2011 | CN102019490A Adaptive single-side welding torch |
| 04/20/2011 | CN102019489A Automatic arc-submerging welder for trailer longitudinal beam |
| 04/20/2011 | CN102019488A Electric arc fusion welding-braze welding method of niobium and steel |
| 04/20/2011 | CN102019487A Recessed type tube head automatic welding machine |
| 04/20/2011 | CN102019486A Seal welding method of titanium pipe and titanium tube plate of all-titanium condenser |
| 04/20/2011 | CN102019485A Welding method of duplex stainless steels |
| 04/20/2011 | CN102019484A Three-dimensional numerical-control argon arc welding machine |
| 04/20/2011 | CN102019483A Compact full-seal welding wire feeder |
| 04/20/2011 | CN102019482A Welding method for stone catcher strength weld |
| 04/20/2011 | CN102019481A Plain butt welding process for high-strength hull structural steel |
| 04/20/2011 | CN101664846B Method for preparing test real object for G3 alloy oil well pipe by welding |
| 04/20/2011 | CN101612687B Numerical control multi-shaft linkage flexible arc welding system |
| 04/20/2011 | CN101526309B Closed type calcium carbide furnace charging nozzle and process for producing same |
| 04/20/2011 | CN101468420B Hollow stud composite turn arc heat source welding method |
| 04/20/2011 | CN101396779B Welding gun gripping swing mechanism |
| 04/20/2011 | CN101396758B Micro-beam plasma arc welding main-arc power-supply multifunctional main circuit |
| 04/20/2011 | CN101376198B 5-shaft linkage numerical control bonding machine and welding process control method thereof |
| 04/20/2011 | CN101362247B Gas shield tungsten electrode argon-arc welding voltage measurement circuit |
| 04/20/2011 | CN101347860B Gantry type multiheaded automatic welding machine |
| 04/20/2011 | CN101347850B Method for assembling and welding ultrathin large-diameter saw blade |
| 04/20/2011 | CN101342630B Buried arc welding method for high-strength T shaped contact of bridge steel |
| 04/20/2011 | CN101318254B Thick steel plate buried arc welding method for high-strength bridge |
| 04/20/2011 | CN101219501B Method of repairing bonded metallic structures |
| 04/19/2011 | US7928340 Control method for arc welding apparatus and arc welding apparatus |
| 04/19/2011 | US7926694 Apparatus for vertically manufacturing poles and columns |
| 04/19/2011 | US7926178 Method of fuel nozzle construction |
| 04/19/2011 | CA2497247C Pulse welder and method of using same |
| 04/14/2011 | WO2010135752A3 Torch change module, welding torch, pipe elbow, torch mounting, tube assembly for a welding torch, receiving module, torch change system, and method for automatically changing a pipe elbow or a torch mounting of a welding torch |
| 04/14/2011 | US20110086242 Battery pack and method of manufacturing battery pack |
| 04/14/2011 | US20110084053 Narrow Groove Gas Metal Arc Welding Torch |
| 04/14/2011 | US20110084052 Adjustable span ferris wheel positioner |
| 04/14/2011 | US20110084049 Multipurpose Track and Radius Plate Burner Apparatus |
| 04/13/2011 | EP2308631A1 Procedure and system for the control of the arc current output delivered in welding processes |
| 04/13/2011 | EP2308630A2 Narrow groove gas metal arc welding torch |
| 04/13/2011 | EP2307153A1 Process for the manufacture of an elongated tube and use of the tube |
| 04/13/2011 | EP2209580B1 Improved method of welding two sides of a single joint simultaneously |
| 04/13/2011 | EP1948387B1 Nozzle for emitting solid carbon dioxide particles with an axially displaceable valve member; apparatus for cooling a heated weld zone with such a nozzle; welding apparatus with such cooling apparatus |
| 04/13/2011 | CN201792110U Gantry welder traveling mechanism |
| 04/13/2011 | CN201792091U Screw protection cover for electrode holders |
| 04/13/2011 | CN201792090U Welding machine support |
| 04/13/2011 | CN201792089U Argon arc welding clamp for stator core |
| 04/13/2011 | CN201792088U Telescopic welding clamp |
| 04/13/2011 | CN201792087U Contact tip for carbon dioxide welding |
| 04/13/2011 | CN201792086U Stud welding device |
| 04/13/2011 | CN201792085U Carbon dioxide gas protection semi-automatic welding machine |
| 04/13/2011 | CN201792084U Vertical circular seam welding machine |
| 04/13/2011 | CN201792083U Arc guide mechanism in semitrailer welding equipment |