| Patents for B23H 1 - Electrical discharge machining, i.e. removing metal with a series of rapidly recurring electrical discharges between an electrode and a workpiece in the presence of a fluid dielectric (3,662) |
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| 06/26/2002 | EP1216778A1 Device for purifying the processing liquids in an electroerosion machine |
| 06/26/2002 | EP1216115A1 Direct metal fabrication of parts |
| 06/26/2002 | CN1355734A Power supply for electric discharge machining |
| 06/25/2002 | US6410877 Methods for shaping and finishing prosthetic joint components including polycrystalline diamond compacts |
| 06/25/2002 | US6409902 To produce metal tools including molds, dies, and electrical discharge machining (edm) electrodes; metallizing the master |
| 06/20/2002 | US20020074317 NanoEDM: an apparatus for machining and building atomic sized structures |
| 06/20/2002 | US20020074222 Dual voltage conical ECM electrode |
| 06/18/2002 | US6407356 Electrical discharge machining device |
| 06/12/2002 | EP1213082A1 Method and apparatus for electrodischarging machining |
| 06/12/2002 | CN1353566A Technology and mould for forming large-size hollow graphite electrode |
| 06/05/2002 | EP1211008A2 Discharge processing device |
| 06/04/2002 | US6398942 Effected by a carbon cathode reacting against the anode, both being beneath the surface of a pottasium hydroxide electrolyte under a controlled current density to have a uniform diameter throughout its entire length |
| 05/29/2002 | EP1209440A2 Contact detecting apparatus for electric discharge machine |
| 05/29/2002 | EP1208934A2 Electric discharge machining apparatus |
| 05/29/2002 | CN2493340Y Integrated liquid storage tank for normal spark working and powder-mixing spark working |
| 05/28/2002 | US6396021 Wire-discharge machining apparatus |
| 05/23/2002 | US20020060528 Contact detecting apparatus for electric discharge machine |
| 05/23/2002 | US20020060205 Electric discharge machining apparatus |
| 05/21/2002 | US6392183 Process and device for machining by electroerosion |
| 05/21/2002 | US6392182 Machine tank for electric discharge machine |
| 05/07/2002 | US6385501 Electric discharge machining control method and electric discharge machining controller |
| 05/07/2002 | US6384363 Process for electric discharge machining and apparatus therefor |
| 05/02/2002 | WO2002034444A1 Power supply for wire electric discharge machining |
| 05/02/2002 | EP1201343A2 Electrochemical machining process, electrode therefor and turbine bucket with turbulated cooling passage |
| 05/02/2002 | EP1200228A1 Improvement in and relating to edge grinding |
| 05/02/2002 | EP0968062B1 Method of constructing fully dense metal molds |
| 05/02/2002 | DE10052094A1 Electrode for spark-erosive removal process has contoured segment that is clamped between clamping segments and protrudes from these, contoured segment consisting of foil |
| 04/30/2002 | US6379218 Machine for machining workpieces with cutting teeth, especially saw blades |
| 04/18/2002 | US20020043519 Electrode clamping system for sink-type electrical discharge machines |
| 04/18/2002 | US20020043518 Electric discharge machining apparatus |
| 04/18/2002 | DE10047054A1 Production of fine perforations, e.g. for filter production, comprises using electrode with parallel bores in sink erosion process to produce free-standing cores and reducing diameter of these by erosion while oscillating electrodes |
| 04/17/2002 | EP1197284A2 NON-submersion electrodischarge machining using conditioned water as a medium |
| 04/16/2002 | US6373018 Apparatus and method for electrical discharge machining multiple holes |
| 04/10/2002 | CN1344333A Power supply for discharge surface treatment and discharge surface treatment method |
| 04/09/2002 | US6369343 Method and apparatus for electrical discharge machining |
| 04/03/2002 | EP1193016A2 Electic discharge machining apparatus |
| 04/03/2002 | CN2484141Y Combined high-low voltage electric supply installation of pulse power supply for electromachining |
| 04/03/2002 | CN1343154A Power supply device for discharge surface treatment and discharge surface treatment method |
| 04/03/2002 | CN1081966C Wire-cut electric discharge machining apparatus and control method therefor |
| 03/28/2002 | WO2002024388A1 Method and apparatus for electrodischarge machining |
| 03/27/2002 | CN1081504C Processing liquid container of spark discharge machining apparatus |
| 03/19/2002 | US6359448 Electrical discharge state detecting device for electrical discharge machining machine |
| 03/14/2002 | WO2002020411A1 Water ion exchange equipment |
| 03/13/2002 | CN1080615C Electric discharge machine and electric discharge method |
| 03/07/2002 | DE4447649C2 Appts. and method for electric discharge machining with the use of variable capacitance and variable inductance |
| 03/05/2002 | US6353199 Apparatus for electric discharge machining |
| 02/27/2002 | EP0757930B1 Power supply system for an electric discharge machine |
| 02/20/2002 | CN1336859A Liquid feeder for electrodischarge machining |
| 02/19/2002 | US6348668 Method and apparatus for treating surface of tool |
| 02/06/2002 | CN1334161A Cyclic treating system of working liquid for electrospark machining |
| 02/06/2002 | CN1078831C Porous electrode wire for electric discarge machine and its producing method |
| 01/24/2002 | DE10033515A1 Electrode for electric discharge machining; has coupling area with centering contour and screw thread and has working area with working surface and has hard metal layer in coupling area |
| 01/03/2002 | US20020000369 Method and device for discharging surface treatment |
| 01/02/2002 | EP1166936A2 Acoustic feedback in the control of electrical discharge machining |
| 01/02/2002 | EP1019215B1 Machine for machining workpieces with cutting teeth, especially saw blades |
| 01/02/2002 | CN1329530A Method and apparatus for electrodischarging machining |
| 01/02/2002 | CN1328894A Electrical discharge machining device |
| 12/19/2001 | EP1163967A2 Electrical discharge machining apparatus |
| 12/19/2001 | CN1327403A Machining state judging device for electrical discharging machine |
| 12/13/2001 | WO2001094067A1 Power supply for electrodischarge machining |
| 12/13/2001 | US20010050270 Electrical discharge machining apparatus |
| 12/05/2001 | EP1160049A2 Machine tool |
| 12/04/2001 | US6326579 Methods and apparatus for machining a work piece |
| 12/04/2001 | US6326576 Method and apparatus for electrical discharge machining |
| 11/29/2001 | WO2001089749A1 Apparatus for electrodischarge machining |
| 11/29/2001 | DE10026510A1 Werkzeugmaschine Machine tool |
| 11/29/2001 | CA2780089A1 Methods and apparatus for manufacturing an intravascular stent |
| 11/28/2001 | CN1324138A New motor design and manufacture scheme |
| 11/22/2001 | WO2001087527A1 Electric discharge machine and method of electric discharge machining |
| 11/22/2001 | WO2001087526A1 Power supply for electric discharge machining |
| 11/20/2001 | US6320151 Method for electric discharge machining of a workpiece and corresponding apparatus |
| 11/14/2001 | EP1153689A2 Electrode clamping system for edm-sinking machines |
| 11/14/2001 | CN1322161A Discharge surface treating method |
| 11/14/2001 | CN1322160A Method for treating surface of die by discharge, method for producing electrode for die discharge surface treatment, and electrode for die discharge surface treatment |
| 11/14/2001 | CN1322159A Apparatus for discharge surface treatment and method for discharge surface treatment |
| 11/14/2001 | CN1074700C Method and instrument for determining position where wire electrode is in contact with workpiece |
| 10/30/2001 | US6310312 Method and apparatus for testing electrodes in an EDM process |
| 10/24/2001 | EP1147843A2 Long-life electrode for electrical discharge drilling units |
| 10/24/2001 | EP0803307B1 Method and instrument for determining position where wire electrode is in contact with workpiece |
| 10/24/2001 | CN1319037A Machining tank for electric discharge machine |
| 10/23/2001 | US6306523 Method of manufacturing porous electrode wire for electric discharge machining and structure of the electrode wire |
| 10/16/2001 | US6303890 Method for the controlled withdrawal movement of a machining electrode in an erosion device |
| 10/11/2001 | US20010027749 Method and device for discharge processing |
| 10/10/2001 | CN1316932A Discharge surface treating electrode and production method thereof |
| 10/04/2001 | EP1137507A1 Method of processing the connecting surfaces between a marine engine frame and the associated bearing support, and an apparatus and use of the method and apparatus |
| 10/03/2001 | CN1072085C Power supply system for electric discharge machine |
| 09/26/2001 | CN1314832A Discharge surface treating method and discharge electrode for discharge surface treamtent |
| 09/18/2001 | US6291791 Switch for power supply circuit of electric discharge machine |
| 09/18/2001 | CA2242111C Edm electrode for creating a gear tooth form having a tooth shape in a cavity component and method of making an edm electrode |
| 09/12/2001 | CN1070753C Method of determining electric discharging machining conditions and electric discharge machining controller |
| 09/12/2001 | CN1070752C Electric discharging machining device |
| 09/12/2001 | CN1070751C Power system for electric discharging machine and electric discharging machining method |
| 09/12/2001 | CN1070750C Electric spark machining machine-tool |
| 08/30/2001 | US20010017289 Load of particles for machining liquids for electro-erosion machines, its process of production, its use and machining liquid containing such a load |
| 08/29/2001 | EP1127647A2 Powder particles to be added to an electroerosion machining fluid, their manufacturing process, and the use of an electroerosion machinig fluid containing these particles |
| 08/28/2001 | US6281463 Power supply device for electric discharge machine |
| 08/22/2001 | CN1069856C Method and apparatus for control of wire-electrode discharge cutting |
| 08/16/2001 | WO2001058635A1 Multi-electrode edm machine |
| 08/16/2001 | US20010014411 Porous electrode wire for use in electrical discharge machining and method of manufacturing the same |
| 08/16/2001 | US20010014295 Method of processing a surface of a mold using electric discharge, an electrode used in such processing and a method of manufacturing such an electrode |