| Patents for B23K 11 - Resistance welding; Severing by resistance heating (12,828) |
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| 04/06/1988 | EP0262336A2 Electrode for an annular or elongated projection-welding machine |
| 04/05/1988 | US4736084 Method and apparatus for heating opposing surfaces of two elements to be joined |
| 04/05/1988 | CA1234880A1 Resistance spot welding gun with weld quality detection feature |
| 03/30/1988 | EP0262048A1 Device for automatically lapping the electrodes of welding robots |
| 03/30/1988 | EP0261328A1 Seam welder |
| 03/30/1988 | EP0261237A1 High frequency welding system |
| 03/30/1988 | EP0114857B1 Pad for correcting printed circuit boards and method of use thereof |
| 03/29/1988 | US4734640 Welding current measuring apparatus |
| 03/29/1988 | US4734556 Inverter type DC resistance welding machine |
| 03/29/1988 | US4734555 Method and apparatus for measuring and controlling indentation in resistance welding |
| 03/29/1988 | US4733815 Process for guiding sheets to be butt-welded together and apparatus with means for conveying and guiding sheets or strips to be butt-welded together |
| 03/29/1988 | US4733447 Ink jet head and method of producing same |
| 03/23/1988 | EP0260963A2 Inverter-type resistance welding machine |
| 03/22/1988 | US4733045 Method of and structure for high speed resistance seam welding |
| 03/22/1988 | US4733044 Method for controlling a flash-butt resistance welding process |
| 03/22/1988 | US4733042 Welding control apparatus including a pressure regulating valve operated in accord with predetermined schedule of variations of a welding force control variable |
| 03/22/1988 | US4732026 Method of lap welding eventual can blank consisting of metal sheet or the like |
| 03/17/1988 | DE3630625A1 Method for the production of an internally galvanised pipe (tube) |
| 03/17/1988 | DE3630236C1 Arrangement for controlling a double-acting pneumatic power cylinder, in particular for pneumatically actuated welding tongs |
| 03/16/1988 | EP0259718A2 Process for bonding together separate building elements |
| 03/16/1988 | EP0259591A2 Projection-welding tool |
| 03/16/1988 | EP0259314A1 Automatic welding process of a platelike body inside metal bars and the machine for the implementation of said process. |
| 03/15/1988 | CA1234187A2 Digital welder control system |
| 03/08/1988 | CA1233885A1 Workpiece feeding apparatus in seam welding machine |
| 03/03/1988 | DE3726620A1 Device for the continuous overlap welding of chain links, bent in a C-shape and joined together to make a strand, in one pass |
| 03/03/1988 | DE3629097A1 Change-tool device |
| 03/02/1988 | EP0257440A2 Method and apparatus for manufacturing piston rod |
| 03/01/1988 | US4728769 Resistance welding electrode |
| 03/01/1988 | US4728767 Welding gun apparatus |
| 03/01/1988 | US4728766 Welding machine for welding tongues onto sheet-metal parts |
| 03/01/1988 | US4728765 Spot welding electrode |
| 03/01/1988 | US4727775 Dressing device for tip of welding gun |
| 02/24/1988 | EP0256183A1 RMS current determination by sampling current differential |
| 02/16/1988 | US4725707 Flash-butt resistance welding process |
| 02/09/1988 | US4724295 Method and apparatus for pressure welding stacked metal foils |
| 02/09/1988 | US4724294 Programmable welder |
| 02/09/1988 | US4724293 Method of making a pressure vessel |
| 02/04/1988 | DE3626236A1 Safety shut-down device for a welding robot equipped with scissors-type welding tongs |
| 02/03/1988 | EP0254931A1 Replacing device for welding electrodes |
| 02/03/1988 | CN85101016B Method useful to prevent welding deformation of steel plates in plane-welding structure |
| 02/02/1988 | US4722824 Applying electric current to cause intermingling of metal powder on shapes surfaces |
| 02/02/1988 | CA1232335A1 Weld upset removal |
| 01/26/1988 | US4721841 Control device for resistance welding power supply |
| 01/26/1988 | CA1232033A1 Resilient resistance welding electrode |
| 01/19/1988 | US4719680 Method for manufacturing a wound metallic exhaust gas catalyst carrier body having a geometrically complex cross-sectional shape |
| 01/14/1988 | WO1988000105A1 Seam welding apparatus |
| 01/14/1988 | WO1988000104A2 Method and apparatus for measuring and controlling indentation in resistance welding |
| 01/13/1988 | EP0252624A1 Weld monitoring |
| 01/12/1988 | US4719328 Touch-up welding apparatus for motorcar body |
| 01/12/1988 | CA1231395A1 Resistance welding apparatus |
| 01/12/1988 | CA1231394A1 Blank guide device of resistance welding machine for seam welding of can body |
| 01/05/1988 | US4717805 Resistance welding control with menu type user interface |
| 01/05/1988 | US4717353 Docking head and plate |
| 01/05/1988 | US4716803 Self-equalizing piercing machine |
| 01/05/1988 | CA1231142A1 Welding gun data recorder |
| 12/29/1987 | US4716268 Method and apparatus for producing bimetallic contacts, especially bimetallic welded contacts |
| 12/29/1987 | US4716267 Three phase high frequency spike welding system |
| 12/22/1987 | US4714816 Monitoring facility for electric welding equipment, in particular as used for metal box manufacture |
| 12/22/1987 | US4714814 Welding machine for welding tongues onto sheet-metal members |
| 12/17/1987 | DE3619654A1 Clamping device for welding |
| 12/17/1987 | DE3619486A1 Machine-controlled welding tongs |
| 12/16/1987 | CN86209790U Ac storage mixed gantry breakeven welder |
| 12/15/1987 | US4712960 Openable can body |
| 12/09/1987 | EP0248143A2 Apparatus for connecting metal strips |
| 12/08/1987 | US4711984 Ultrasonic method and apparatus for spot weld control |
| 12/08/1987 | US4711980 Nail collator and welder |
| 12/02/1987 | EP0247757A1 Resistance welding apparatus |
| 12/01/1987 | US4710235 Process for preparation of liquid phase bonded amorphous materials |
| 11/26/1987 | DE3617206A1 Reversible carbide tip holder with reversible carbide tip electrode |
| 11/25/1987 | CN87203028U Multifunction electric apparatus |
| 11/24/1987 | US4709132 Saturation monitoring arrangement and method of control for a frequency-converter welding deivce |
| 11/19/1987 | DE3615269A1 Positioning device |
| 11/17/1987 | US4707582 Method and apparatus for operating an industrial robot with sensor-correction |
| 11/10/1987 | US4705243 System of externally holding and guiding supply lines to moving implements of manipulators |
| 11/04/1987 | EP0243638A2 Microweld apparatus with an improved electrode tip design |
| 11/03/1987 | US4704512 Apparatus for butt welding |
| 10/29/1987 | DE3613829A1 Welding tongs for welding robot |
| 10/27/1987 | US4703158 High frequency welding system |
| 10/27/1987 | US4702661 Robot carrier structure |
| 10/22/1987 | DE3605099A1 Method of exchanging the electrode caps of robot spot welding tongs |
| 10/20/1987 | CA1228224A1 Installation for the manufacture by a continuous process of compound panels |
| 10/15/1987 | DE3612502A1 Pneumatically operable welding cylinder with preliminary and working stroke |
| 10/14/1987 | EP0241449A1 Resistance multi-spot welding machine |
| 10/14/1987 | CN86100547A Controlling method of dynamic angle of flow for spot welding quality |
| 10/13/1987 | US4700042 Device for controlling electrical resistance welding apparatus, particularly for controlling apparatus for welding parts of motor vehicles bodies |
| 10/13/1987 | US4700041 Method and apparatus for projection welding |
| 10/13/1987 | US4700037 Machine for welding rounded body blanks |
| 10/08/1987 | WO1987005841A1 High frequency welding system |
| 10/08/1987 | WO1987005840A1 Machine for contact butt welding of pipes |
| 10/08/1987 | DE3611356A1 Welding robot for producing resistance spot welds |
| 10/07/1987 | EP0239745A2 Machine for making wire nets with welded longitudinal and cross-wires, in particular for concrete reinforcements |
| 10/07/1987 | CN86101966A Constant current control of welding current in spot welding, projection welding and seam welding-the null control method |
| 09/30/1987 | EP0238565A1 Process for the exchange of thermal energy and welding electrode roller arrangement with cooling based on the exchange process and application of the process |
| 09/29/1987 | US4697058 Microweld apparatus with an improved electrode tip design and tip support |
| 09/24/1987 | WO1987005550A1 System of transformers for a welding apparatus |
| 09/24/1987 | DE3609429A1 Measuring sensor |
| 09/23/1987 | EP0238449A2 Method of cooling the continuous shielding wire fed to the welding rollers of machines for seam-welding discrete lengths of tube |
| 09/17/1987 | DE3608009A1 Method for producing miniaturised connections (microconnections) by means of solid-state welding |
| 09/15/1987 | US4694135 Method and apparatus for monitoring and controlling resistance spot welding |
| 09/10/1987 | DE3607203A1 Automatic welding unit for resistance welding |