| 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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| 03/31/2004 | EP1200228B1 Improvement in and relating to edge grinding |
| 03/31/2004 | CN1486227A Electrical discharge machining device |
| 03/30/2004 | US6713706 Jump control apparatus for electric discharge shaping/profiling machine |
| 03/25/2004 | US20040055710 Method and apparatus for aligning a machine tool |
| 03/24/2004 | EP1400306A2 Method and apparatus for aligning a machine tool |
| 03/24/2004 | CN1484616A Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product |
| 03/23/2004 | US6710279 Power supply for electric spark machine and method for controlling the same |
| 03/18/2004 | US20040050821 Multi-station electrical discharge machining with single velocity command |
| 03/17/2004 | EP1397226A1 Electrical discharge machining apparatus and method |
| 03/11/2004 | US20040045732 Working-fluid storing device of electric discharge machining apparatus |
| 03/03/2004 | CN1141008C Technology and mould for forming larg-side hollow graphic electrode |
| 02/26/2004 | US20040035835 Noble metal in-situ sampling method and apparatus |
| 02/25/2004 | EP1391259A1 Noble metal in-situ sampling method and apparatus |
| 02/19/2004 | US20040031774 Cad/cam device for electric discharge machine |
| 02/11/2004 | CN2602863Y Grinding machine for working vein on mould |
| 02/11/2004 | CN2602862Y 放电加工装置 Discharge machining apparatus |
| 02/04/2004 | CN1137010C Wire cut electric discharge machining device |
| 01/28/2004 | CN1136072C Method and apparatus for electrodischarging machining |
| 01/28/2004 | CN1136071C Cyclic treating system of working liquid for electrospark machining |
| 01/27/2004 | US6683269 Working fluid processing device of wire electric discharge machine |
| 01/22/2004 | WO2004007132A1 Discharge-processing power source device |
| 01/22/2004 | US20040011768 Electrical discharge machines and methods for performing edm operations |
| 01/20/2004 | US6680454 Electromachining with perforated electrodes |
| 01/07/2004 | EP1377404A1 A method and a device for manufacturing a stator component or rotor component |
| 01/02/2004 | EP1233854B1 Method for modifying wooden surfaces by electrical discharges at atmospheric pressure |
| 12/31/2003 | CN1463817A Counter coupling calibration process and apparatus for electrodischarge machining electrode tip |
| 12/24/2003 | WO2003106088A1 Machining power source of wire electrodischarge machineing apparatus |
| 12/16/2003 | CA2300675C Wire electrode |
| 12/09/2003 | US6660957 Apparatus for electric discharge machining |
| 12/04/2003 | WO2003099971A1 Electric discharge machining oil composition |
| 12/04/2003 | US20030222052 Device for machining by electroerosion |
| 11/04/2003 | US6642470 Process and device for machining a three-dimensional piece by electroerosive milling |
| 11/04/2003 | US6642469 Electrode clamping system for sink-type electrical discharge machines |
| 10/30/2003 | WO2003089175A1 Machining power supply of wire electric discharge machine |
| 10/30/2003 | WO2003043769A3 Electric discharge machining electrode and method |
| 10/29/2003 | CN1452531A Apparatus for electrodischarge machining |
| 10/22/2003 | CN1124913C Power supply device for discharge surface treatment and discharge surface treatment method |
| 10/21/2003 | US6635998 Ion beam processing apparatus and method of operating ion source therefor |
| 10/08/2003 | EP0781618B1 Highly efficient processing method based on high density radical reaction and using rotary electrode, apparatus therefor and rotating electrode used therefor |
| 10/08/2003 | CN1446644A Metal hollow article and its mfg. method |
| 10/07/2003 | US6630641 Electric discharge machining apparatus generating preliminary discharge and machining discharge pulses |
| 10/02/2003 | WO2003080266A1 Method for processing metal molding member having fine configuration, method for manufacturing metal molding member, extrusion die, method for manufacturing extruded member, and extruded member |
| 10/01/2003 | CN2576398Y Portable electric spark processing machine |
| 10/01/2003 | CN1445040A Technique for electrolysis processing fine slits and its devices |
| 10/01/2003 | CN1445039A Electrical discharge machining device |
| 09/30/2003 | US6627837 Method of manufacturing a stator stage for a turbine pump |
| 09/30/2003 | US6625865 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 |
| 09/25/2003 | US20030180568 Hollow metal object and method of its fabrication |
| 09/23/2003 | US6624377 Micro-electro-discharge machining method and apparatus |
| 09/18/2003 | US20030173337 Electric sparking drill and method for forming a hole with an electric spark |
| 09/17/2003 | CN1121295C Liquid feeder for electrodischarge machining device |
| 09/17/2003 | CN1121292C Method and apparatus for electrodischarge machining |
| 09/17/2003 | CN1121291C Metal wire electrode and mfg. method thereof |
| 09/17/2003 | CN1121290C Machining state judging device for electrical discharging machine |
| 09/16/2003 | US6621033 Electrical discharge machining apparatus |
| 09/04/2003 | WO2003072286A1 Micro-electro-discharge machining utilizing semiconductor electrodes |
| 09/02/2003 | US6614234 Electric discharge machine |
| 08/27/2003 | CN2568351Y Translation device for electrospark machine |
| 08/26/2003 | US6610956 Device for quality decision of a machining state of an electric spark machine |
| 08/20/2003 | CN1118348C Electrodischarge machining power supply with protection circuit of switching element |
| 08/19/2003 | US6608275 Jump control method and apparatus for electric |
| 08/06/2003 | CN1434756A Electrodischarge wire machining and power supply for electrodischarge wire machining |
| 08/06/2003 | CN1116954C Discharge surface treating electrode and production method thereof |
| 07/31/2003 | WO2003061890A1 Method and system for electric discharge machining insulating material or high resistance material |
| 07/31/2003 | CA2440364A1 Method and system for electric discharge machining insulating material or high resistance material |
| 07/30/2003 | CN1116145C Electrode compensating method for electric spark machining based on digital control technology |
| 07/23/2003 | EP0812643B1 Device and method for electric discharge machining |
| 07/17/2003 | US20030132200 Electrodischarge wire machining and power supply for electrodischarge wire machining |
| 07/16/2003 | CN2560467Y Processing solution filter buckt for electric discharge machine |
| 07/09/2003 | CN1113722C Discharge processing power source and discharge processing method |
| 07/09/2003 | CN1113721C Machining tank for electric discharge machine |
| 07/08/2003 | US6589402 Part fabricating apparatus |
| 07/03/2003 | WO2003053861A1 Method of deionising and clarifying the aqueous medium used in an electrical discharge machine and the product used in said method |
| 07/01/2003 | US6586699 Micro-electro-discharge machining utilizing semiconductor electrodes |
| 06/25/2003 | CN1112270C Discharge processing method and apparatus of applicating same |
| 06/19/2003 | WO2003049891A1 Cad/cam unit for electric discharge machine |
| 06/18/2003 | EP1319459A2 Wire electric-discharge machining apparatus |
| 06/17/2003 | US6580048 Electrical discharge machining apparatus supplying initial and processing currents |
| 06/10/2003 | US6576858 Small hole electrical discharge machining method and small hole electrical discharge machining apparatus |
| 06/05/2003 | US20030102287 Tool, tool holder, and machine tool |
| 06/04/2003 | CN1421290A Metal wire discharge processing device |
| 05/30/2003 | WO2003043770A1 System for treating working fluid for electric discharge machine |
| 05/30/2003 | WO2003043769A2 Electric discharge machining electrode and method |
| 05/30/2003 | CA2464611A1 Electric discharge machining electrode and method |
| 05/29/2003 | US20030098293 Wire electric-discharge machining apparatus |
| 05/27/2003 | US6570119 Method of making extrusion die with varying pin size |
| 05/20/2003 | US6566823 Discharge pulse generator |
| 05/20/2003 | US6566623 Method and apparatus for electric discharge machining with a dressing tool |
| 05/20/2003 | US6566622 Wire electrode |
| 05/19/2003 | CA2363581A1 Electric discharge machining electrode and system, and use thereof |
| 05/15/2003 | US20030093175 Multiple discharge-servo curve control method and device of electrical discharge machine |
| 05/13/2003 | US6563071 Method and apparatus for electrical discharge machining with multiple workstations |
| 05/13/2003 | US6562227 Greater rate of material removal; mandrel for supporting a workpiece next to a cutter mounted on an arbor; fan or compressor blisk for an aircraft gas turbine engine |
| 05/08/2003 | WO2003037796A1 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product |
| 04/30/2003 | CN1106902C Apparatus for discharge surface treatment and method for discharge surface treatment |
| 04/24/2003 | WO2003013774A3 Spark erosion |
| 04/17/2003 | WO2003031106A1 Electrical discharge machine |
| 04/16/2003 | CN1411400A Power supply for wire electric discharge machining |
| 04/16/2003 | CN1410212A Aqueous medium electric spark processing machine tool |
| 04/15/2003 | US6548028 Discharge surface treatment device and a discharge surface treatment method |