| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
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| 05/02/2000 | US6057523 Method of controlling welding conditions of a resistance welder |
| 04/27/2000 | WO2000023224A1 Resistance welding electrode tip |
| 04/27/2000 | DE19651513C2 Verfahren zum Verbinden von Drähten mit einem Anschlußstück A method of connecting wires to a connector |
| 04/26/2000 | CN2375408Y 电阻式焊机结构 Resistance welding structure |
| 04/26/2000 | CN1251548A Method for detecting abrasion quantity of welding gun electrode and welding method |
| 04/26/2000 | CN1051867C Mfg. Technology for micro-special-shaped contact belt with superthin electric contact-layer |
| 04/25/2000 | US6054668 Method and apparatus of projection welding |
| 04/19/2000 | CN2374300Y Welding processing mould for radiator fin and base plate |
| 04/19/2000 | CN2374299Y Processing appts. for tool |
| 04/19/2000 | CN1051632C Transformer for spot-welding machine |
| 04/13/2000 | DE19846705A1 Soldering of low melting point highly conductive thin sheet components, especially stud soldering to a sheet, is effected using a solder deposit of low melting solder and high electrical resistance high melting solder |
| 04/12/2000 | EP0992313A1 Resistance stud-welding handy puller |
| 04/12/2000 | CN1249977A Converter impedance welding controller |
| 04/11/2000 | US6049053 Apparatus for loosening electrode tip for spot welding |
| 04/11/2000 | CA2066179C Continuous hot rolling method and joining method of sheet bar |
| 04/05/2000 | EP0822882B1 Apparatus for grinding welding electrodes, in particular wolfram electrodes |
| 04/05/2000 | CN2372088Y Bell socket stepless reducing reinforcement bar skeleton roll-welding machine |
| 04/04/2000 | US6046424 Resistance welding control apparatus |
| 04/04/2000 | US6044552 Tappet made of light metal and a method of manufacturing the same |
| 04/04/2000 | CA2041130C Automatic tacking device |
| 03/29/2000 | CN1248666A Method and device for making exhaust pipe of engine |
| 03/28/2000 | US6043449 Spot welding system and spot welding method and nugget diameter estimation system and nugget diameter estimation method |
| 03/28/2000 | US6043448 Method of welding cylindrical bodies |
| 03/28/2000 | US6041993 Method and apparatus of continuous rolling using multiple synchronously moving welders for tanden welding |
| 03/23/2000 | WO2000015379A1 Resistance welding |
| 03/23/2000 | DE19833748A1 Milling system for milling electrode points of spot-welding electrodes has motor load monitoring device which generates fault signal when motor load is smaller than given setpoint load. |
| 03/22/2000 | CN2369851Y Device for producing screw welded metal hole plate net framework reinforced composite plastic pipe |
| 03/14/2000 | USRE36612 Mash seam welding process and mash seam welding apparatus |
| 03/14/2000 | US6037559 Process for lap joining two kinds of metallic members having different melting points |
| 03/14/2000 | US6037558 Integrated low inertia projection welding head and cylinder |
| 03/08/2000 | EP0790863B1 A method of fastening a strip of thin sheet metal on a conical separation disc of thin sheet metal, and a separation disc provided in this manner with a strip of thin sheet metal |
| 03/08/2000 | EP0784526B1 Welding method for the connection of a component to a workpiece, and a device for carrying out the method |
| 03/02/2000 | WO2000010767A1 Resistance welding device |
| 03/01/2000 | CN2366217Y Equipment for multiple point welding and forming of steel bar net column |
| 02/29/2000 | US6031197 Resistance rail welding device with alignment mechanism |
| 02/23/2000 | CN2365006Y Cylinder seam welding machine |
| 02/22/2000 | US6028284 Electromagnetic relay structure and spot welding machine used for fabricating same |
| 02/22/2000 | US6026838 Method for detecting opening in fluid flow passageway and shutting off flow in response thereto |
| 02/22/2000 | US6026682 Coolant safety system for automated welding apparatus |
| 02/16/2000 | EP0980197A2 Electrode for plasma ARC torchand method of making same |
| 02/16/2000 | EP0979704A2 Inverter resistance welding control apparatus |
| 02/15/2000 | US6024521 Electrode dresser monitoring system and method |
| 02/15/2000 | US6023843 Method of forming an annular member of a torque converter |
| 02/01/2000 | USRE36541 Device for spot welding of structures formed of pressed sheet metal elements |
| 02/01/2000 | US6020572 Electrode for plasma arc torch and method of making same |
| 02/01/2000 | US6020569 Welding system with a real-time weld quality detection sensor |
| 02/01/2000 | US6018859 Method of forming seamed metal tube |
| 01/26/2000 | EP0973628A1 Resistance weld control system with line impedance compensation |
| 01/26/2000 | CN2360187Y Iron wire blanking appts |
| 01/20/2000 | DE19926007A1 Housing containing automatic electric welding apparatus which is usable in rough condition with safe output voltage |
| 01/19/2000 | EP0972291A1 Transformer |
| 01/19/2000 | EP0971808A1 Input/output subsystem for a control system |
| 01/18/2000 | US6015962 Stud holder for a stud-welding device |
| 01/13/2000 | WO2000001505A1 Hydraulic drive unit for a resistance welding machine |
| 01/13/2000 | DE19815476C1 Verfahren zum Verschweißen eines Doppellagenbleches mit einem Fügeblech A method for welding a double-layered sheet with a bonding sheet metal |
| 01/12/2000 | EP0717673B1 Resistance-welding method |
| 01/12/2000 | CN2357876Y Reducing device for butt welding aluminium tube |
| 01/12/2000 | CN2357875Y D. C.-impulse brush-plating and micropulse resistance welding dual-purpose machine |
| 01/12/2000 | CN1241153A Welding gun for projection welding |
| 01/12/2000 | CN1240888A Method for manufacutring connecting-rod of piston in compressor of air conditioner for car |
| 01/11/2000 | US6013892 Resistance weld control with line impedance compensation |
| 01/11/2000 | US6013891 Welding apparatus and welding method, particularly resistance welding method |
| 01/05/2000 | EP0969114A2 Nickel base superalloy preweld heat treatment |
| 01/05/2000 | EP0968070A1 Device for maintenance of programmable automatons |
| 01/05/2000 | DE19829679A1 Hydraulische Antriebseinrichtung für eine Widerstands-Schweißmaschine A hydraulic drive system for a resistance welding machine |
| 01/05/2000 | DE19826491C1 Bolt welding apparatus for a usual, commercially available spot-welding machine |
| 01/04/2000 | US6011237 Locking electrode tip for resistance spot-welding |
| 01/04/2000 | US6011236 Method and apparatus for joining two metal foils together |
| 01/04/2000 | US6011235 Method and apparatus for controlling resistance welding |
| 01/04/2000 | US6011233 Welding method of a connection terminal piece for a deflection yoke coil and the structure thereof |
| 12/30/1999 | DE19818997A1 Making opening rollers for open-end spinning machines using fillet wire |
| 12/29/1999 | EP0967044A2 A method for resistance electric spot welding of a first sheet of non weldable material to a second sheet of weldable metal material |
| 12/29/1999 | CN2355841Y Sizing device for aluminium butt welding |
| 12/29/1999 | CN1047791C Builder for detergent |
| 12/28/1999 | US6008471 Device for spot-welding of motor-vehicle bodies or subassemblies thereof |
| 12/28/1999 | US6008463 Resistance welding electrode with guide pin |
| 12/28/1999 | US6007646 Electrode material and methods for manufacturing electrode material and electrode |
| 12/28/1999 | CA2205743C Device for confirming opening of welding gun |
| 12/28/1999 | CA2098086C Methods and apparatus for fusing electrical conductors |
| 12/23/1999 | WO1999065636A1 Inducing physical changes in metal objects |
| 12/21/1999 | US6005216 Advanced automatic machine for rapidly fabricating net metallic honeycomb core |
| 12/21/1999 | US6004019 Integrated control system for a work robot |
| 12/21/1999 | US6003428 Electro-pneumatic pressure control system for welding and like apparatus |
| 12/16/1999 | DE19921663A1 Cooling water supply unit for parts of electric welding installations |
| 12/16/1999 | DE19825771A1 Arrangement for cutting electrode caps for welding tongs developed so that swarf is not discharged into the environment |
| 12/16/1999 | DE19825770A1 Arrangement for mounting electrode caps on welding tongs ensures that the caps are always accommodated in alignment |
| 12/15/1999 | EP0739259B1 Power monitor for current controlled resistance welder |
| 12/15/1999 | EP0738196B1 Progressive current limit control for a resistance welder |
| 12/08/1999 | EP0962727A2 Thermostatic expansion valve |
| 12/08/1999 | EP0962662A2 Pneumatic cylinder and control valve therefor |
| 12/07/1999 | US5998756 Method and fastening means for forming a welded joint between a fastening means and a structure |
| 12/07/1999 | US5997232 Method of making can bodies from sheet metal |
| 12/07/1999 | US5996899 Thermostatic expansion valve |
| 11/30/1999 | US5994680 Method of welding a heating element to a vessel for forming a heating container |
| 11/30/1999 | US5994658 Apparatus for fusing symmetrically together differently dimensioned members |
| 11/30/1999 | US5993125 Electrode tip dresser |
| 11/30/1999 | US5992329 Machine for welding at least one run of rail |
| 11/24/1999 | EP0958894A2 Hammer-type stapler |
| 11/24/1999 | EP0958093A1 Resistance welding electrode and process for making |
| 11/24/1999 | EP0958092A1 Milling arrangement and method of milling the welding region of spot-welding electrodes |