| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 03/09/1982 | US4319114 Current limit system for electrical discharge machining apparatus |
| 02/23/1982 | US4317019 Method and apparatus for electrically cutting work pieces with a wire electrode |
| 02/16/1982 | US4316071 EDM Apparatus with tool changer |
| 02/10/1982 | EP0045650A2 A wire-cut, electric discharge machining method |
| 02/02/1982 | US4314133 Process and apparatus for electrical discharge machining by means of a wire electrode |
| 01/13/1982 | EP0043673A2 A wire-cut electric discharge machine |
| 01/12/1982 | US4310742 EDM Process and apparatus for machining cavities and slots in a workpiece |
| 12/22/1981 | US4307279 Electrode assembly for travelling-wire electroerosion machine |
| 12/09/1981 | EP0041383A2 A wire-cut electric discharge machine |
| 11/17/1981 | US4301350 Presetter |
| 11/17/1981 | US4301349 Electrical machining apparatus for forming a three-dimensional surface contour in a workpiece |
| 11/03/1981 | US4298782 Method and apparatus for straightening the wire electrode of an electrical discharge machining apparatus |
| 11/03/1981 | US4298781 Wire-cut electroerosion machine and method of operating same |
| 10/28/1981 | EP0038658A2 Wire-cut electric discharge machining |
| 10/21/1981 | EP0038187A1 Improvements in or relating to a wire-cut, electric discharge machine |
| 10/20/1981 | US4296302 Adaptive control of gap voltage and power to control servo operation of an electrical discharge machining apparatus |
| 10/07/1981 | EP0037240A2 Automatic cutting condition control equipment |
| 09/29/1981 | US4292491 Wire electrode electric discharge machine with controlled electrical parameters |
| 09/15/1981 | US4289947 Fluid jetting system for electrical machining |
| 09/08/1981 | US4288675 Cutting area responsive EDM method and apparatus with cyclically interrupted pulse trains |
| 09/01/1981 | US4287404 Electrode for electrical discharge machining |
| 09/01/1981 | US4287403 Method and apparatus for adjusting the gap in an electric discharge machine |
| 08/26/1981 | EP0034311A2 Device for electrical discharge machining |
| 08/25/1981 | CA1107577A1 Method for high speed coating of a wire like element with a hot melt material, apparatus therefor, and wire like element thus coated |
| 08/06/1981 | WO1981002127A1 Electrical discharge machining apparatus which detects gap status between electrode and workpiece |
| 07/15/1981 | EP0032023A1 A power source for an electric discharge machine |
| 07/14/1981 | US4278245 Apparatus for clamping a plurality of elements |
| 06/24/1981 | EP0030886A1 Mechanical driving head for guiding a tool movement |
| 05/20/1981 | EP0028926A1 Method of wire-cut electric discharge machining |
| 05/20/1981 | EP0028595A1 Electro-erosion cutting machine for final treatment of stamping and cutting tools. |
| 05/05/1981 | CA1100581A1 Electrical discharge machining with intermittent realignment of electrodes |
| 04/22/1981 | EP0027345A1 A power source for a wire-cut electric discharge machine, and such a machine including the power source |
| 04/21/1981 | US4263494 Control means for the relative displacement of the electrodes of an EDM apparatus |
| 04/21/1981 | US4263493 Spark erosion cutting apparatus with controlled flushing medium flow |
| 04/21/1981 | US4263116 Electrode holder-guidance assembly for wire-cut electrical machining |
| 04/15/1981 | EP0027084A1 Device for electrical-discharge machining |
| 04/15/1981 | EP0027041A1 Wire-cut electric-discharge machine, a power source for such a machine, and a method of wire-cut electric-discharge machining |
| 04/15/1981 | EP0027040A1 A wire-cut electric-discharge machine and a power source for such a machine |
| 04/14/1981 | US4262185 EDM Process and apparatus for machining a workpiece by means of a wire electrode |
| 02/17/1981 | US4251706 Electrode tool for EDM and method for utilizing such electrode tool |
| 02/11/1981 | EP0023824A1 Method for restoring a broken wire electrode |
| 02/10/1981 | US4250371 Accurate production of relieved shapes by electrical erosion |
| 02/03/1981 | US4249059 Gap condition light indicator system for electrical discharge machining apparatus |
| 01/27/1981 | US4247749 Electrical discharge machining apparatus and process with controlled variable speed electrode orbiting |
| 01/13/1981 | US4245144 Spark-machining apparatus |
| 01/07/1981 | EP0021715A1 Electric discharge machines |
| 01/06/1981 | US4243864 Multiple wire electrode feed mechanism for electroerosion machine |
| 01/06/1981 | US4243863 Electrical discharge machining apparatus with simultaneous relative advance and cyclic translational movement of the electrodes |
| 12/30/1980 | US4242560 Servo feed system for an electrical discharge machining apparatus |
| 12/30/1980 | US4242559 Method and apparatus for the electro-erosive machining of workpieces with automatic threading of the electrode |
| 12/30/1980 | US4242558 Device for breaking off the wire-like or strip-like electrode in an electro-erosion machine |
| 12/30/1980 | US4242556 Guiding and stressing an elongated, stretched, renewable electrode in electro-erosive machining |
| 12/16/1980 | US4239952 Electrode wire EDM apparatus |
| 12/11/1980 | WO1980002665A1 Rockable electrical discharge machine apparatus |
| 12/09/1980 | US4238660 Multi-lead servo feed system for electrical discharge machining apparatus |
| 11/13/1980 | WO1980002395A1 Process and device for orientating the guiding head of the cutting wire in an electro-erosion machine |
| 11/13/1980 | WO1980002394A1 Electro-erosion cutting machine for final treatment of stamping and cutting tools |
| 11/11/1980 | US4233486 Traveling-wire electrical discharge machine |
| 11/04/1980 | US4232208 Apparatus and method for electrical discharge machining |
| 11/04/1980 | US4231159 Indexing devices |
| 10/28/1980 | US4230926 Electric discharge machine with mechanism for orbiting the electrode |
| 10/21/1980 | US4229636 Spark erosion machining process |
| 10/21/1980 | US4229635 Control of an electro-discharge machine tool |
| 10/21/1980 | US4229278 Electrolytic support assembly |
| 10/07/1980 | US4227064 Device for advancing a workpiece in electro-erosive processing by a wire-like electrode |
| 10/07/1980 | US4226697 Apparatus for the spark deposition of metals |
| 10/02/1980 | WO1980002003A1 Wire-cut electrical discharge machine |
| 09/23/1980 | US4224495 Electrical discharge machining apparatus with compound electrode movement |
| 09/16/1980 | US4223198 Arm deflection constant traveling-wire EDM method and apparatus |
| 09/09/1980 | US4221952 Electric discharge machining method |
| 08/07/1980 | WO1980001545A1 Power source for electro-erosion with wire electrode |
| 07/29/1980 | US4215261 EDM Apparatus for cutting a groove in a recess in a workpiece |
| 06/17/1980 | US4208256 Fluid pumping control method and apparatus for machine tools |
| 05/29/1980 | WO1980001048A1 Method of working conductive materials by electro-erosion |
| 05/27/1980 | US4205213 Method of and apparatus for electrical discharge machining with a vibrating wire electrode |
| 05/27/1980 | US4205212 Electro-erosion machine tools and head assemblies therefor |
| 05/13/1980 | US4203018 Method and apparatus for eroding inner and outer walls of work pieces |
| 04/29/1980 | CA1076654A1 Adaptive control system and method for electrical discharge machining |
| 04/16/1980 | EP0009928A1 Arc monitor for electrical discharge machining |
| 04/15/1980 | CA1075776A1 Electrical discharge machining apparatus |
| 04/08/1980 | US4197443 Method and apparatus for forming diffused cooling holes in an airfoil |
| 03/18/1980 | US4193852 Method and apparatus for electrical machining with a multi-guided travelling electrode |
| 03/04/1980 | US4191878 Electrode positioning gage for multiple electrode electrical discharge machining apparatus |
| 02/12/1980 | US4188522 Method of machining a workpiece to a predetermined depth using a machining process in which machine tool wear occurs |
| 01/22/1980 | US4185184 Apparatus and method for controlling the intermittent retraction of the electrode tool in an EDM machine |
| 01/15/1980 | CA1069855A1 Electroerosion method and electrode device to generate holes within a solid metal workpiece |
| 12/25/1979 | CA1068793A Method and apparatus for cutting insulating material |
| 12/25/1979 | CA1068791A Spark erosion by two parallel spaced wire electrodes |
| 12/12/1979 | EP0006071A1 Process for electrical discharge machining and its application to the manufacture of dies for the extrusion of metal |
| 11/14/1979 | EP0005195A1 Electric discharge machine with mechanism for orbiting the electrode |
| 11/13/1979 | US4174268 Electrode guide |
| 10/23/1979 | CA1065022A1 Method and device for controlling an electric arc by rotating magnetic field |
| 10/02/1979 | US4169426 Apparatus for coating a filiform element |
| 09/18/1979 | US4168426 Apparatus for numerically controlling work patterns in an electro-discharge machine |
| 09/18/1979 | US4168419 Apparatus for radially displacing the electrode of an EDM machine simultaneously with the longitudinal displacement of the electrode |
| 08/07/1979 | US4163887 Pulse generator for electroerosive processing |
| 07/17/1979 | US4161641 EDM Process and apparatus for overcut machining of a workpiece by an electrode tool |
| 06/26/1979 | US4159407 Methods and apparatus for electrically machining a work piece |
| 06/19/1979 | US4158761 Plural work-piece positioning apparatus |
| 05/01/1979 | US4152570 Drive assembly for multi-directional lateral displacement between tool and workpiece |