| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
|---|
| 07/31/1990 | US4945201 Rack mountable weld controller |
| 07/31/1990 | US4944445 Method for automatic joining and machining |
| 07/26/1990 | WO1990008008A1 Power control and line voltage monitor/compensator for resistance spot welding machines |
| 07/25/1990 | EP0378617A1 Grid welding machine operating on the electrical resistance principle. |
| 07/24/1990 | US4943904 D.C. power unit assembly including unitized single-phase D.C. power units |
| 07/10/1990 | US4940876 Method of flash-butt resistance welding of a batch of like parts in pairs |
| 07/10/1990 | US4940875 Force limiting weld head |
| 07/10/1990 | US4940874 Convertible single or double spot welding machine |
| 07/10/1990 | US4940873 Rotor stator arrangement, conductive liquid is eutectic mixture of gallium, indium, tin and zinc |
| 07/10/1990 | US4940129 Apparatus for regrouping articles from a first conveyor to a second conveyor |
| 07/04/1990 | CN1043457A Arrangement for monitoring the quality of electric welds |
| 07/04/1990 | CN1008612B Resistance welding |
| 07/03/1990 | US4939335 Circuit for measuring the voltage drop between the welding electrodes of a resistance welding machine |
| 06/26/1990 | EP0371070A4 Composite metal panel. |
| 06/20/1990 | EP0373522A2 Tool actuation cylinder with a control valve |
| 06/20/1990 | EP0373422A1 Apparatus for monitoring quality of electrical welding processes |
| 06/20/1990 | CN2058360U Pipe welding device |
| 06/20/1990 | CN1008429B Method and apparatus of relative positioning and longitudinal movement between reeled-pot and butt welding equipment |
| 06/19/1990 | US4935595 Electrode tip replacement apparatus for welding gun |
| 06/12/1990 | US4933531 Pantograph type robot arm |
| 06/12/1990 | CA1270319A1 Method and apparatus for measuring and controlling indentation in resistance welding |
| 06/07/1990 | DE3840636A1 Welding tongs |
| 06/06/1990 | EP0371363A1 Method and device for mounting contact parts on contact supports |
| 06/06/1990 | EP0371148A1 Ceiling radiation plate as well as manufacturing process and device therefor |
| 06/06/1990 | EP0371070A1 Composite metal panel |
| 05/31/1990 | WO1990005613A1 Spot welder |
| 05/31/1990 | DE3839514A1 Radiator, in particular a panel-type radiator, and method for producing it |
| 05/31/1990 | DE3690711C2 Machine for resistance welding of tubes - partic. applicable to long pipelines |
| 05/30/1990 | EP0370674A1 Drill screw |
| 05/29/1990 | US4929816 Electric flash-butt welding machine and method of providing a welded joint between adjacent ends of rail sections |
| 05/23/1990 | EP0369883A1 Device for cleaning both edges of a metallic sheet prior to welding |
| 05/23/1990 | EP0368967A1 Process and installation for producing two-layered welded network bodies. |
| 05/22/1990 | CA1269419A1 Programmable electric resistance welder |
| 05/17/1990 | DE3932546A1 Klebstoffolie mit eingelagertem metallgitter fuer kombinierte schweiss-klebe-verbindungen Adhesive film with embedded metal gratings for combined welding-adhesive connectors |
| 05/08/1990 | US4924057 Method of forming a joint between aluminum workpieces with curable adhesive and resistance welding |
| 05/08/1990 | US4924055 Spot gun for a welder machine |
| 05/03/1990 | WO1990004489A1 Resistance welding electrode and process |
| 05/01/1990 | US4922075 Electric resistance welding for zinc plated steel plate |
| 05/01/1990 | US4922072 Wire connecting method |
| 05/01/1990 | US4921377 Cutter and drive gear assembly for dressing welding electrode tips |
| 04/26/1990 | DE3909387C1 Progression tool |
| 04/26/1990 | DE3835786A1 Unit for the resistance welding or resistance cutting of continuous metal material as well as a contactor for this |
| 04/24/1990 | US4920247 Resistance welding |
| 04/24/1990 | US4918990 Ultrasonic transducer assembly |
| 04/18/1990 | EP0364191A1 A method of joining structural elements by heating of a binder |
| 04/18/1990 | CN2056110U New-type diagonal-welding machine for steel window |
| 04/17/1990 | US4917619 Tool changer for welding robot |
| 04/17/1990 | US4917284 Apparatus for manufacturing building panels |
| 04/17/1990 | US4916932 Force multiplying press |
| 04/13/1990 | CA2000576A1 Method of joining structural elements by heating of a binder |
| 04/12/1990 | DE3834428A1 Welding installation |
| 04/11/1990 | EP0363058A1 Retracting rocker unit |
| 04/10/1990 | US4916271 Resistance welding head |
| 04/10/1990 | CA1267697A1 Flash-butt resistance welding process |
| 04/05/1990 | DE3832095A1 Resistance welding process for workpieces with a high slenderness ratio |
| 04/04/1990 | CN2055421U Electrical arc welding and butt welding double use hand machine |
| 04/03/1990 | CA1267452A1 Spot welder with electrode clamp |
| 03/28/1990 | CN1007327B Resistance welding of aluminium |
| 03/27/1990 | US4912453 Electromagnetic bell unit, its fitting structure and a method of welding the bell and the yoke of the unit |
| 03/27/1990 | US4912295 Butt welding method |
| 03/27/1990 | US4912294 Method of controlling electrode tip of welding gun in automatic welding machine |
| 03/27/1990 | US4912292 Alignment tool |
| 03/20/1990 | US4910376 Welding electrode arrangement |
| 03/20/1990 | US4910375 Inverter-type resistance welding machine |
| 03/20/1990 | US4910374 For construction of a continuous underwater pipeline |
| 03/20/1990 | US4910373 Exchangeable gun arm welding gun and gun arm exchange apparatus |
| 03/20/1990 | US4908938 Method for repairing interconnect interruptions by bridging with congruent preforms |
| 03/13/1990 | US4908490 Technology and equipment of the stressed skin sheet covering for large passenger vehicles |
| 03/08/1990 | WO1990002016A1 Z-bar for forming can material |
| 03/07/1990 | EP0259314B1 Automatic welding process of a platelike body inside metal bars and the machine for the implementation of said process |
| 03/07/1990 | CN2053963U Portable submerged-arc butt-welder for concrete iron |
| 03/06/1990 | US4905884 Apparatus for welding motor vehicle bodies |
| 03/06/1990 | CA1266513A1 Resistance welding of aluminium |
| 02/28/1990 | EP0355870A2 Lead attachment method |
| 02/28/1990 | CN1040060A Copper-based alloy and process |
| 02/27/1990 | US4904839 Electrodes for use in spot welding |
| 02/27/1990 | US4904838 Electrode changers and methods of operation for electrical bonding apparatus |
| 02/22/1990 | DE3828021A1 Release device for the end caps of the welding electrodes of a resistance welding device |
| 02/22/1990 | DE3827816A1 Method and device for closing defect cavities in metal workpieces |
| 02/20/1990 | US4902869 Apparatus for resistance welding |
| 02/20/1990 | US4902163 Two parts secured by ball ST40 connection |
| 02/14/1990 | EP0218589B1 A precision electric welding device for welding operations in the dental or orthopaedic field or for other surgical applications |
| 02/06/1990 | US4899030 High-power-density beam welding method in combination with upset welding and apparatus therefor |
| 02/06/1990 | US4899029 Electrical connector high-speed welding apparatus |
| 02/01/1990 | DE3822655C1 Method of automatically removing electrode caps from welding electrode shanks, and device for carrying out the method |
| 01/30/1990 | CA1264950A1 Cutter for cutter-bar mowers and a process for producing it |
| 01/24/1990 | EP0352154A1 Servo-welding gun and utilisation process therefor |
| 01/23/1990 | US4896014 Method of automatically grinding an electrode for spot welding use and apparatus for effecting said method |
| 01/23/1990 | CA1264533A1 Automatic system for assembly and welding metal sheet bodies, particularly car bodies, suitable for high mass production |
| 01/23/1990 | CA1264508A1 Liquid phase bonded amorphous materials and process for preparation thereof |
| 01/17/1990 | EP0351377A2 Apparatus for welding motor vehicle bodies |
| 01/16/1990 | US4894508 Welder control system |
| 01/16/1990 | US4893744 Lining method using clad pieces and a clad piece for the method |
| 01/16/1990 | US4893398 Device for automatic joining and machining |
| 01/10/1990 | EP0350013A1 Resistance welding control method |
| 01/09/1990 | US4892448 Cutter and drive gear assembly for dressing welding electrode tips |
| 01/03/1990 | CN2050359U Pistol form single-side mash welder |
| 01/03/1990 | CN1038527A Touching welder control device |
| 12/28/1989 | WO1989012524A1 Installation for pressure welding of parts heated by an arc moving in a magnetic field |
| 12/27/1989 | CN2049982U Butt welding gun |