| 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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| 03/03/2010 | CN101658963A Electro discharge machining apparatus and method |
| 02/24/2010 | CN100591452C Distributed arc electroerosion |
| 02/18/2010 | US20100038344 Method for Electrical Discharge Machining of Electrically Non-Conductive Material |
| 02/17/2010 | CN201405146Y Adjustable electrode processing device |
| 02/11/2010 | WO2010015806A1 Method and apparatus for improving roll texturing using electrical discharge machines |
| 02/10/2010 | CN201399632Y Spark machine workbench |
| 02/03/2010 | EP2149417A2 Method for wire electro-discharge machining a part |
| 02/03/2010 | CN100586628C Electric spark processing liquid |
| 01/29/2010 | CA2664260A1 Method for wire electro-discharge machining a part |
| 01/28/2010 | WO2010010927A1 Electrical discharge machining device, electrical discharge machining method, and semiconductor substrate manufacturing method |
| 01/27/2010 | CN201389747Y Workbench adjusting mechanism of bull-nose electric discharge machine |
| 01/27/2010 | CN100584499C Processing and fabricating method of bend type cavity with changeable section |
| 01/26/2010 | US7652222 Electric discharge machine and method for optimizing machining conditions of the electric discharge machine |
| 01/21/2010 | US20100012628 Abrasion assisted wire electrical discharge machining process |
| 01/21/2010 | US20100012627 Material Piece Scooping Device |
| 01/21/2010 | US20100012626 Wire electrical discharge machining apparatus |
| 01/20/2010 | EP2145713A2 Apparatus and method for designing an electrode shape for an electrical discharge machining process |
| 01/19/2010 | US7650201 Determination method and processing method of machined surface of plate-like material, and apparatus for use in said methods |
| 01/12/2010 | US7645958 Electric-discharge-machining power supply apparatus and small-hole electric-discharge machining apparatus |
| 01/07/2010 | US20100000974 Electrode for electrical-discharge surface treatment and method of manufacturing the same |
| 01/06/2010 | EP2140962A2 Small hole electric discharge machine drill provided with depth-specific processing means and method of depth-specific processing with small hole electric discharge machine drill |
| 01/06/2010 | CN100577335C Numerical control double-power mode multifunctional impulsing power source for electrospark wire-electrode cutting processing |
| 12/24/2009 | US20090314748 Ultrasonic assisted electrodischarge machining |
| 12/24/2009 | US20090314747 Wire electric discharge machine |
| 12/24/2009 | US20090313829 Microchannel heat exchanger fabricated by wire electro-discharge machining |
| 12/23/2009 | CN201366558Y Treatment fluid box of classification-type wire-cut electric discharge machine |
| 12/10/2009 | WO2009147856A1 Electric discharge machining apparatus and electric discharge machining method |
| 12/09/2009 | CN101596626A Multi-functional spark machine |
| 12/08/2009 | US7628906 Method of manufacturing a spectral filter for green and longer wavelengths |
| 11/25/2009 | CN101585102A Electrical spark face milling tool electrode |
| 11/25/2009 | CN100562394C Electric-discharge-machining power supply apparatus and electric discharge machining method |
| 11/18/2009 | CN201346655Y Electrode for electric discharging machining trepanning |
| 11/18/2009 | CN101579762A Electrode device and electromachining method |
| 11/18/2009 | CN101579761A Two-stage limited pulse width precision electrical discharge pulse power source |
| 11/18/2009 | CN101579760A Electric spark processing equipment |
| 11/17/2009 | US7618514 Photo-etched EDM electrode |
| 11/12/2009 | US20090277876 Electrical discharge machining apparatus and electrical discharge machining method |
| 11/11/2009 | CN201342583Y Simple copper electrode clamp |
| 11/03/2009 | US7612310 Manufacturing method of a molded gear |
| 10/28/2009 | CN100554641C Oil well electric spark de-blocking joint-forming robot |
| 10/28/2009 | CN100553845C Micro-hole electric spark shunting processing method |
| 10/27/2009 | US7608795 Device for machining by electroerosion |
| 10/21/2009 | CN101559505A Combined electrode clamp for electric spark processing |
| 10/20/2009 | US7606285 Chuck device for electrical discharge machine |
| 10/20/2009 | US7605339 Methods of forming an annular undercut |
| 10/14/2009 | CN101554670A Electrical spark tapper |
| 10/07/2009 | CN201320647Y Fixture for thimble assembly discharge |
| 10/06/2009 | US7598471 Method of electric discharge machining a cathode for an electron gun |
| 10/01/2009 | WO2009118210A1 Method and device for the electrical discharge machining of an electrically non-conductive material |
| 10/01/2009 | DE102008018638B3 Electrical conductive and mechanical fixed connection arrangement for fixing eroded electrode at holder for eroded machine, has tapped hole designed such that recess is provided on lower side of metal carrier plate for receiving adhesive |
| 09/30/2009 | EP2105235A1 Method and device for performing electrical discharge machining on a material that does not conduct electricity |
| 09/30/2009 | EP2104586A2 Method and devices designed to treat defects of the residual white layer left by the electrical discharge machining process |
| 09/30/2009 | CN100544871C Electric discharge machining device and electric discharge machining method |
| 09/29/2009 | US7596424 Machining condition determining system and method for sinker electric discharge machining apparatus |
| 09/23/2009 | CN201313213Y Graphite electrode for manufacturing dies of shells |
| 09/23/2009 | CN101537519A Method for manufacturing cutting line of electrical discharge machine |
| 09/23/2009 | CN100542727C Railway truck axle shaft end screw hole broken-bevel taking out technology |
| 09/17/2009 | WO2009112047A1 Method and system for filtering and/or cooling processing media |
| 09/17/2009 | US20090230364 Crystalline metallic nanoparticles and colloids thereof |
| 09/17/2009 | US20090230093 Electrical discharge pocketing using loop type machining electrode |
| 09/17/2009 | US20090230091 Device designed to cut off the spent wire on a spark erosion machine |
| 09/17/2009 | DE10040871B4 Einrichtung zur Bearbeitung eines Werkstücks mittels elektrischer Entladung Device for machining a workpiece by electric discharge |
| 09/16/2009 | CN201309036Y Oil groove mounting mechanism of discharge processing machine |
| 09/16/2009 | CN201309035Y Discharge processing machine |
| 09/16/2009 | CN101530940A Device designed to cut off the spent wire on a spark erosion machine |
| 09/10/2009 | US20090223936 Tool insert |
| 09/10/2009 | DE112005002782B4 Dielektrikum-Qualitätssteuervorrichtung und Funkenerosions-Bearbeitungsvorrichtung Dielectric quality control device and electrical discharge machining apparatus |
| 09/09/2009 | CN100537101C Machining liquid quality control device and method, and electro-discharge machining device |
| 09/09/2009 | CN100537100C Direct-current arc electric spark processing method |
| 09/03/2009 | US20090218322 Dies for manufacturing substrates and methods of making |
| 09/02/2009 | CN201300269Y Electric spark pulse power supply |
| 09/02/2009 | CN100534687C Method and generator for electrical discharge machining |
| 09/01/2009 | US7582842 Method and apparatus for generating machining pulses for electrical discharge machining |
| 08/27/2009 | US20090212026 Wire electric discharge machining method, semiconductor wafer manufacturing method, and solar battery cell manufacturing method |
| 08/27/2009 | DE10052094B4 Elektrode für funkenerosives Abtragverfahren Electrode for electrical discharge material removal |
| 08/20/2009 | WO2009101912A1 Method for repairing turbine rotor blade |
| 08/20/2009 | CA2694573A1 Turbine rotor blade repair method |
| 08/19/2009 | CN100528441C Electric spark machine |
| 08/19/2009 | CN100528379C Process for hot spraying of rotating parts |
| 08/13/2009 | WO2009098764A1 Power control device for electric discharge machine |
| 08/13/2009 | US20090200274 Electrode Arrangement for Electrical Discharge Machining on an Electrically Non-Conductive Material |
| 08/11/2009 | US7572997 EDM process for manufacturing reverse tapered holes |
| 08/06/2009 | WO2009096027A1 Electric discharge device |
| 08/06/2009 | WO2009096026A1 Electric discharge device |
| 08/06/2009 | WO2009096025A1 Electric discharge device and electric discharge method |
| 08/06/2009 | US20090194512 Multi-function machine |
| 08/05/2009 | CN201283460Y Spark cutting conductor |
| 08/05/2009 | CN201283459Y Electric impulse cutting saw |
| 08/05/2009 | CN100522441C Method for processing arc orbit tunnel hole and apparatus therefor |
| 08/05/2009 | CN100522439C Apparatus for machining in confined spaces |
| 07/30/2009 | DE112006004049T5 Leistungsversorgungssteuereinheit für eine Funkenerosionsbearbeitungsvorrichtung Power supply control unit for an electric discharge machining apparatus |
| 07/30/2009 | DE112006004048T5 Energieversorgungs-Steuervorrichtung für eine Bearbeitungsvorrichtung mit elektrischer Entladung Power supply control apparatus for an electric discharge machining apparatus |
| 07/29/2009 | EP2006365A9 Polyfunctional hydrocarbon oil composition |
| 07/29/2009 | CN201279638Y Anode assembly for field processing of short electrical arc apparatus |
| 07/29/2009 | CN100519031C Non-conducting material electric spark milling method |
| 07/23/2009 | WO2009089840A1 Method and device for controlled edm machining |
| 07/23/2009 | US20090184203 Cooling channel formed in a wall |
| 07/23/2009 | DE112004000445B4 Vorrichtung zur Bearbeitung eines Werkstücks durch elektrische Entladung Apparatus for machining a workpiece by electric discharge |
| 07/15/2009 | CN201271770Y Joint combined electrode assembly |
| 07/15/2009 | CN101480742A Water-in-oil type electric spark machining working solution |