| Patents for B23H 7 - Processes or apparatus applicable to both electrical discharge machining and electrochemical machining (7,069) |
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| 10/02/1997 | WO1997035810A2 A method of removing iron compounds and chromium compounds from an aqueous electrolytic solution as well as the use of this method in electrochemical machining |
| 10/01/1997 | EP0748469B1 Method for forming shaped passages |
| 09/30/1997 | US5672263 Providing accurate measurements in real-time |
| 09/30/1997 | US5672254 Zirconium or zirconium alloy as contact carrier |
| 09/23/1997 | US5669991 Electrical discharge machining of complex holes using shape memory alloy electrodes |
| 09/18/1997 | DE3990541C2 Device supplying wire electrode for wire-cut discharge machining |
| 09/18/1997 | DE19610082A1 Controlling a spark erosion machine |
| 09/11/1997 | DE19708023A1 Electrode feed unit for electroerosive machining |
| 09/11/1997 | DE19644467A1 Apparatus for electroerosive machining |
| 09/11/1997 | DE19608416A1 Machine tool adaptor for repetitive tool placing |
| 09/10/1997 | EP0794027A1 Electric discharge machining apparatus and electric discharge machining method |
| 09/10/1997 | EP0794026A1 Process for the production of a composite wire of small diameter, in particular a wire electrode for electro-discharge machining and a wire electrode obtained thereby |
| 09/09/1997 | CA2131682C Driving apparatus |
| 09/03/1997 | EP0792714A1 Wire electrode feeding arrangement for electric discharge machining apparatus |
| 09/03/1997 | CN2261308Y Sparking apparatus |
| 08/26/1997 | US5660579 Method and apparatus for forming a grinding wheel |
| 08/14/1997 | WO1997028921A1 Electric spark machine with a handling robot |
| 08/06/1997 | EP0787554A1 Wire electric discharge machining method |
| 08/06/1997 | EP0787317A1 Process and device for controlling edm machines |
| 07/31/1997 | DE19626388C1 Machine for cutting tooth flanks in saw blade |
| 07/30/1997 | EP0786303A1 Processing fluid treatment apparatus for electric discharge machines |
| 07/30/1997 | EP0657243B1 Electric discharge machining device |
| 07/30/1997 | CN2258443Y Automatic controller for electric spark wire-electrode cutting |
| 07/30/1997 | CN1155863A Wire electric discharge machine |
| 07/23/1997 | EP0595802B1 Method for working surfaces on metals |
| 07/23/1997 | CN1154889A Four-axial interlinked-taper linear cutting machine without tilting of electrode wire |
| 07/17/1997 | WO1997025174A1 Process and device for controlling an electrical discharge machine |
| 07/10/1997 | DE19600538A1 Verfahren und Vorrichtung zur Steuerung einer Funkenerosionsmaschine Method and apparatus for controlling an electric discharge machine |
| 07/02/1997 | EP0781620A2 Method and apparatus for wire electric discharge machining |
| 07/02/1997 | EP0781619A1 Method of making silicone carbide wafers from silicon carbide bulk crystals |
| 07/02/1997 | EP0781618A1 Highly efficient processing method based on high density radical reaction and using rotary electrode, apparatus therefor and rotating electrode used therefor |
| 06/26/1997 | DE19548001A1 Wire in micro-mechanical component guiding method |
| 06/19/1997 | WO1997022041A1 Position deviation correction method of working point |
| 06/18/1997 | EP0779378A2 Process for fabricating wires with brass surfaces for wire electroerosion |
| 06/18/1997 | EP0779124A1 Wire electric discharge machine |
| 06/12/1997 | WO1997017158A3 Method of electrochemically machining workpieces |
| 06/11/1997 | EP0778104A1 Surface preparation apparatus and method |
| 06/10/1997 | US5637240 Electrical discharge machining method and electrical discharge machining apparatus |
| 06/08/1997 | CA2186667A1 Surface preparation apparatus and method |
| 06/03/1997 | US5634757 Fastening device for a tool or workpiece |
| 05/28/1997 | DE19540351C1 Wire electrode for spark erosive cutting |
| 05/28/1997 | CN1150558A Processing solution treatment device for electro-discharge machining device |
| 05/22/1997 | WO1997018052A1 Method and instrument for determining position where wire electrode is in contact with workpiece |
| 05/22/1997 | DE3390011C2 Electric discharge machining appts. pulse power source |
| 05/15/1997 | WO1997017158A2 Method of electrochemically machining workpieces |
| 05/15/1997 | DE19541811A1 Device for detecting successful wire threading in electric discharge machines for working metal |
| 05/14/1997 | EP0675778B1 Apparatus for transferring electrical current to and from a moving wire. |
| 05/02/1997 | EP0770444A1 Method of repairing disconnection in wire electric discharge machine |
| 04/23/1997 | CN1147991A Method and device for forming abrasive wheel |
| 04/23/1997 | CN1147986A Method for fine machining via spark erosion using wire electrode and spark erosion apparatus therefor |
| 04/16/1997 | CN2252071Y High-efficient laser incising and drawing device |
| 04/16/1997 | CN1147436A Method and apparatus for measuring and/or regulating position of wire electrode relatively to machine tool shaft related on electrospark machining tool |
| 04/03/1997 | WO1997011808A1 Wire cut electric discharge machining device |
| 04/02/1997 | CN2250833Y Single-ball supporting guide wheel mechanism |
| 04/01/1997 | US5616260 Wire preparation for wire cutting electro-erosion |
| 04/01/1997 | US5616259 Apparatus for preparing a surface of a cylinder bore by electrical discharge machining |
| 03/27/1997 | WO1997010918A1 Electric discharge machining apparatus and electric discharge machining method |
| 03/26/1997 | EP0764069A1 Contact for feeding current to a workpiece in electrochemical-working processes |
| 03/26/1997 | CN2250220Y Automatic control device for working depth of electric spark forming machine tool |
| 03/20/1997 | WO1997010069A1 Yarn multiple supply device for a machine |
| 03/12/1997 | EP0761360A1 A wire electrical discharge machine |
| 03/12/1997 | EP0761359A1 Electrical discharge machining tool |
| 03/12/1997 | EP0621100B1 Water-tight structure for immersion wire electric discharge machines |
| 03/12/1997 | CN1144730A Electrode wire running method of electric spark wire cutting machine tool |
| 03/06/1997 | WO1997007921A1 Wire electric discharge machining method |
| 02/27/1997 | DE19632463A1 Appts. for shaping grinding wheels |
| 02/25/1997 | US5605638 Electric discharge machining (EDM) apparatus |
| 02/18/1997 | US5603852 Electrical discharge machine with an opposite polarity voltage applied during an electrode jump operation |
| 02/18/1997 | US5603851 Wire cutting electrical discharge machine with wire annealing for threading |
| 02/12/1997 | EP0757930A1 Power supply system for an electric discharge machine |
| 02/06/1997 | WO1997003782A1 Processing fluid treatment apparatus for electric discharge machines |
| 02/04/1997 | US5599633 Core comprises copper, silver alloy, and coating comprises copper, zinc, aluminum alloy; high speed processing |
| 01/30/1997 | WO1997002917A1 Highly efficient processing method based on high density radical reaction and using rotary electrode, apparatus therefor and rotating electrode used therefor |
| 01/29/1997 | CN2246036Y Rotary combined pieces of silk storage cylinder |
| 01/29/1997 | CN1141606A Power system for electric discharging machine and electric discharge machining method |
| 01/29/1997 | CN1141224A Electroerosion apparatus |
| 01/28/1997 | US5598075 Servo control method and apparatus for discharging machine |
| 01/21/1997 | US5595103 Hydraulic drive assembly for electrical discharge machine |
| 01/07/1997 | US5590964 Wire temperature measuring method for a wire electric discharge machine |
| 01/01/1997 | CN2243954Y Wire frame for rotary guide cutting taper wire cutter |
| 01/01/1997 | CN1139032A Wire electrode and process for producing wire electrode, particular for spark erosion process |
| 12/31/1996 | US5589086 Method and apparatus for electrical discharge machining with control of a servomechanism by a position loop and a speed loop |
| 12/27/1996 | EP0604665B1 Wire temperature measuring method for wire electrical discharge machine |
| 12/25/1996 | CN2243361Y Electric controller for high speed wire cutter |
| 12/18/1996 | EP0748469A1 Method for forming shaped passages |
| 12/17/1996 | US5585014 Method and apparatus for electrical discharge machining using variable capacitance and variable inductance |
| 12/17/1996 | US5585013 Electrode guide |
| 12/11/1996 | EP0747158A1 Power supply system for electric discharge machine and electric discharge machining method |
| 12/05/1996 | WO1996038252A1 Wire electric discharge machine |
| 12/04/1996 | EP0745448A2 Method and apparatus for measuring the position of the wire electrode in relationship to an axis of the electroerosion machine |
| 12/04/1996 | CN2241601Y Wire-moving device for electrospark linear cutting machine |
| 12/03/1996 | US5580469 Electrical discharge machine with prevention of pulse crack phenomenon |
| 11/20/1996 | CN2240412Y Wire cutting machine guiding-wheel movement assemblage adopting gas atomization lubrication and seal |
| 11/20/1996 | CN2240411Y Numerical control wire cutting machine with electric spark high-speed small hole machining function |
| 11/14/1996 | WO1996035546A1 Method of repairing disconnection in wire electric discharge machine |
| 11/14/1996 | WO1996035545A1 Wire feed device on a machine for the electrical discharge machining of work pieces |
| 11/14/1996 | WO1996035544A1 Device for use in electrical discharge machining of work pieces |
| 11/14/1996 | DE19619009A1 Electro-erosion device |
| 11/14/1996 | DE19517370A1 Vorrichtung zum funkenerosiven Bearbeiten von Werkstücken mit einem Elektrodendraht Device for electric discharge machining of workpieces with an electrode wire |
| 11/13/1996 | EP0742069A2 Device for electrical discharge machining |