| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
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| 01/15/1980 | CA1069986A1 Machine for welding seams in automotive wheel rim blanks |
| 12/25/1979 | CA1068793A Method and apparatus for cutting insulating material |
| 12/18/1979 | US4179598 Electric resistance welding machine |
| 12/18/1979 | US4179597 Continuous thru-wire welding machine |
| 12/18/1979 | CA1068356A1 Continuous or semi-continuous welding of sheet materials |
| 12/18/1979 | CA1068355A1 Machine for pressure contact seam welding |
| 12/18/1979 | CA1068353A1 Automatic seal welding apparatus |
| 12/18/1979 | CA1068087A1 Method for making friction bands |
| 12/12/1979 | EP0005880A1 Method of and apparatus for sealing tubes constructed of metals of high thermal and electrical conductivity |
| 12/11/1979 | CA1067967A1 Electrical resistance welding apparatus |
| 12/04/1979 | CA1067582A1 Electroslag remelting apparatus for rebuilding grouser bars |
| 11/29/1979 | WO1979000973A1 Process and apparatus for joining tube elements of weldable synthetic material |
| 11/28/1979 | EP0005670A1 Device for sealing a leak in a straight portion of a heat exchanger tube |
| 11/20/1979 | CA1066784A1 Wheel nut with welded cap and method of forming the same |
| 11/13/1979 | US4174475 Welding structure |
| 11/13/1979 | US4174142 Brush mounting for rotary electrical joint |
| 11/06/1979 | CA1065971A1 Sheet metal resistance welding pin with tubular shank |
| 11/06/1979 | CA1065970A1 Welding gun adapted to weld fixed contacts on wire spring relays |
| 10/16/1979 | US4171477 Micro-surface welding |
| 10/02/1979 | US4169975 Two-phase transformer and welding circuit therefor |
| 10/02/1979 | US4169745 Method of joining frogs of wear-resisting manganese steel castings to rails of carbon steel |
| 09/25/1979 | CA1063183A1 Resistance welding apparatus |
| 09/18/1979 | US4168430 Process and apparatus for monitoring the quality of weld spots produced by resistance spot welding |
| 08/28/1979 | CA1061420A1 Resistance welding apparatus and method |
| 08/21/1979 | CA1060957A1 Method of ensuring the maintenance of constant quality of spot welding |
| 08/14/1979 | US4164638 Method for flash butt welding of annular workpieces |
| 08/07/1979 | CA1060118A1 Machine for welding solar cell connections |
| 07/31/1979 | US4163142 Method and apparatus for assembling rings |
| 07/24/1979 | US4162382 Transport device for an electrical resistance welding machine |
| 07/24/1979 | CA1059220A1 Method of and apparatus for welding through paint |
| 07/10/1979 | US4160892 Method and apparatus for seam welding overlapped edges |
| 07/03/1979 | US4160148 Stud welding apparatus |
| 07/03/1979 | US4160147 Multi-spot welding apparatus |
| 07/03/1979 | US4160146 Method for making reinforcing baskets for steel reinforced hollow concrete bodies |
| 07/03/1979 | CA1057826A1 Electrode system for spot welding aluminum and other difficult-to-weld materials |
| 06/27/1979 | EP0002483A1 Apparatus for distance-positioning a workpiece |
| 06/26/1979 | US4159413 Contact welding machine, particularly for automatic application of tiny contact plates to a substrate carrier |
| 06/26/1979 | US4159408 Continuous flash butt-welding machine |
| 06/12/1979 | US4158121 Spot welder control circuit |
| 06/05/1979 | CA1056021A1 Fin to tube welding by high frequency current source |
| 05/29/1979 | CA1055281A1 Manufacturing process of an o ring from a jointed spire spring |
| 05/22/1979 | US4155798 Protection from corrosion of resistance-welded sheet metal covered with non-metallic layers |
| 05/22/1979 | CA1055122A1 Welding apparatus for joining coils of strip steel |
| 05/22/1979 | CA1055121A1 Welding gun adapted to weld movable contacts on wire spring relays |
| 05/16/1979 | EP0001750A1 Method for affixing a terminal conductor onto an electrical PTC resistor |
| 05/08/1979 | US4153830 Welding apparatus |
| 05/02/1979 | EP0001573A2 Process and apparatus for welding end bars to gratings |
| 05/02/1979 | EP0001557A1 Process for severing a cable composed of a multitude of wires |
| 04/17/1979 | US4150279 Ring rolling methods and apparatus |
| 04/17/1979 | US4150277 Electrode roll arrangement for a resistance roll-welding machine |
| 04/10/1979 | US4149059 Electrical multi-spot resistance welding machine |
| 04/10/1979 | US4148206 Tube welding machine with exchangeable rolls |
| 04/03/1979 | US4147914 Method for making friction bands |
| 04/03/1979 | US4147913 Weld gap shears for a flash welding machine |
| 03/27/1979 | US4145986 Ring type calibrating cage |
| 03/20/1979 | US4145596 Method and device for the automatic introduction of studs into the electrode of a welding machine |
| 03/20/1979 | CA1051096A1 Method of joining aluminum to aluminum and a machine for such method |
| 03/13/1979 | US4144440 Method and apparatus for controlling welding operations during resistance welding |
| 03/07/1979 | EP0000876A1 Spot welding apparatus for electric resistance welding especially for precision welding of small scale elements |
| 02/27/1979 | US4142087 Welding gun adapted to weld fixed contacts on wire spring relays |
| 02/27/1979 | CA1049626A1 Electric packing wire cutting device |
| 02/20/1979 | US4140891 Articulated resistance welding electrode with universal movement |
| 02/20/1979 | US4139982 Chain welding machine |
| 02/06/1979 | US4137828 Welding gun |
| 01/30/1979 | US4137444 Wire resistance-roll welder with brake and tension devices |
| 01/30/1979 | US4137443 Welding apparatus for dental purposes |
| 01/16/1979 | US4135076 Apparatus for resistance welding |
| 01/16/1979 | US4135075 Resistance welding apparatus and method |
| 01/16/1979 | CA1046590A1 Non-stacking sheet metal resistance welding pin |
| 01/02/1979 | US4132880 Seam welding method and apparatus |
| 12/21/1978 | WO1978000015A1 Ring type calibrating cage |
| 12/19/1978 | US4130751 Metal ornamentation and method of welding |
| 12/19/1978 | US4130750 Machine for welding aluminum to aluminum |
| 11/28/1978 | US4127759 Electrical resistance welding apparatus |
| 11/28/1978 | US4127020 Method of manufacturing solid wheel rims |
| 11/14/1978 | US4125753 Welding machine for lattice gratings |
| 11/14/1978 | CA1042518A1 Flash welder monitor |
| 11/07/1978 | US4123961 Wheel nut with welded cap |
| 10/24/1978 | US4122326 Method of welding a spiral spring to produce a toroidal ring |
| 10/24/1978 | US4122325 Method of joining two sheet metal parts |
| 10/10/1978 | US4119827 Clinch weld fastener and method of securing panels together |
| 10/10/1978 | CA1040276A1 Electric stud welding device with voltage protection circuit |
| 10/03/1978 | CA1039817A1 Method and apparatus for seam welding overlapped edges |
| 09/26/1978 | US4117300 Redundant welding method for metal battery containers |
| 09/26/1978 | US4117299 Method of tipping refractory metal tubulation |
| 09/26/1978 | US4117296 Process and apparatus for welding sheet metal coated with layers |
| 09/19/1978 | US4115682 Welding of glassy metallic materials |
| 09/12/1978 | USRE29762 Process for welding sheet metal coated with layers |
| 09/12/1978 | US4114020 Method of joining two sheet metal parts |
| 09/12/1978 | US4114017 Corrosion-resistant light-weight spot welding gun |
| 08/29/1978 | US4110593 Welding gun adapted to weld movable contacts on wire spring relays |
| 08/15/1978 | US4107491 Welding machine spacer plate with sensors |
| 08/01/1978 | US4104724 Digital welder control system |
| 07/25/1978 | US4103139 Welding apparatus |
| 07/18/1978 | US4101753 Flash welding apparatus and method |
| 07/18/1978 | US4101752 Process for welding corner cells in fuel assembly grids |
| 07/11/1978 | US4100391 Portable seam welder |
| 07/04/1978 | US4099045 Ultrasonic testing method and apparatus for resistance welding |
| 07/04/1978 | US4099044 Welding apparatus |
| 07/04/1978 | US4098966 Welded battery elements and process |