| 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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| 07/15/2009 | CN100513036C Non-conducting material spark milling electrode tip |
| 07/11/2009 | CA2649289A1 Micro-electro-discharge machining methods and apparatus |
| 07/09/2009 | DE102008003475A1 Hochfrequenzgenerator für das elektrochirurgische Schneiden High-frequency generator for electrosurgical cutting |
| 07/08/2009 | CN101474698A Ns grade micro-energy impulsing power source based on FPGA |
| 07/08/2009 | CN100509234C Electrospark machining equipment |
| 07/02/2009 | US20090166337 Method and apparatus for fabricating an orthopaedic prosthetic component |
| 07/02/2009 | US20090166336 Method and system for fabricating an aspherical orthopaedic prosthetic component |
| 07/02/2009 | US20090166334 Microshaft Forming Method, Microshaft Formed by This Method and Microshaft Forming Apparatus |
| 07/01/2009 | CN100506434C Method for manufacturing pressed compact electrode for processing discharge surface |
| 06/30/2009 | CA2339512C Removable electrode |
| 06/25/2009 | US20090163121 Grinding machine with a device for conditioning a grinding wheel and a method of conditioning a grinding wheel |
| 06/24/2009 | CN100503113C Method and generator for electrical discharge machining |
| 06/18/2009 | US20090152244 Wire-cut electric discharge machine having water level abnormality detection function and water level abnormality alarm generation cause specifying method |
| 06/11/2009 | US20090145752 System and method for dual-sided sputter etch of substrates |
| 06/04/2009 | US20090143891 Wire electrical discharge machine with deformation compensation ability |
| 05/28/2009 | US20090134126 Electric-discharge machining apparatus and electric-discharge machining method |
| 05/28/2009 | DE112006000044B4 Erodiermaschine und Erodierbearbeitungsverfahren EDM and Erodierbearbeitungsverfahren |
| 05/27/2009 | CN101439429A Electrode wire for slow-travel wire spark erosion fabrication and preparation method thereof |
| 05/27/2009 | CN101439428A Hand-hold sparking apparatus |
| 05/27/2009 | CN100491037C Electro-discharge-machine and electro-discharge-machine machining condition optimization method |
| 05/21/2009 | US20090127231 Methods of Forming Superhard Cutters and Superhard Cutters Formed Thereby |
| 05/20/2009 | CN201239835Y 360 DEG rotating and X-Y axis locating jig for discharging processor |
| 05/20/2009 | CN101433986A Method for manufacturing graphite electrode for producing casing mold |
| 05/20/2009 | CN100488688C Non-conducting material spark milling electrode tip |
| 05/19/2009 | US7533853 Clip structure and wire-like member fixing method |
| 05/14/2009 | US20090120912 Method for Machining a Workpiece |
| 05/14/2009 | US20090120911 Wire break detecting device for wire electric discharge machine |
| 05/13/2009 | CN201235432Y Numerical control current pulse power source for electrospark wire-electrode cutting machining |
| 05/05/2009 | US7528340 Apparatus and method for electric discharge machining and method of discriminating electric discharge |
| 05/05/2009 | US7527723 Ion exchanger; surface smoothness; removal residues from workpiece |
| 04/22/2009 | CN201224036Y Sound board locating and clamping device |
| 04/22/2009 | CN201223980Y Electric spark tapping machines |
| 04/22/2009 | CN101415807A Polyfunctional hydrocarbon oil composition |
| 04/16/2009 | WO2007001347A3 Apparatus and method for nano-scale electric discharge machining |
| 04/15/2009 | CN201220309Y Watertight apparatus for rotating head of electric-spark drilling machine |
| 04/15/2009 | CN201220306Y Electrode autocorrection apparatus |
| 04/15/2009 | CN201220305Y EDM numerical control full automatic electric spark sampling apparatus |
| 04/15/2009 | CN101410214A Dielectric fluid for electric discharge machining a non electrically conductive material |
| 04/15/2009 | CN101410213A Electrode arrangement and electric discharge machining method for insulating material |
| 04/14/2009 | US7518081 Electric discharge machining apparatus |
| 04/08/2009 | CN100475399C Multiple work position discharge working using single speed instruction |
| 03/26/2009 | US20090081325 Molding die machining electrode, fabricating method of molding die, and molding die |
| 03/26/2009 | DE4307159B4 Spritzlochscheibe für ein Ventil und Verfahren zur Herstellung Perforated spray disc for a valve and method for producing |
| 03/25/2009 | EP2039457A2 Molding die machining electrode, fabricating method of molding die, and molding die |
| 03/25/2009 | CN201211583Y Electric spark machining impulse power source capable of reducing machining electrode loss |
| 03/25/2009 | CN201211582Y Base current cutting system |
| 03/25/2009 | CN101391327A Molding die machining electrode |
| 03/25/2009 | CN100471604C Multiple shaft digital control electric process device and method of blade disc |
| 03/18/2009 | CN101386096A Powder-mixed near-dry type electric spark machining device and method thereof |
| 03/11/2009 | EP1397226B1 Electrical discharge machining apparatus and method |
| 03/11/2009 | CN201205629Y Electrode positioning fixture |
| 03/11/2009 | CN201205628Y Operation liquid level height control device for electric spark machine tool |
| 03/05/2009 | US20090057274 Electric discharge machine and electric discharge machining method |
| 03/04/2009 | CN201201083Y Duplicate supply mode pulse power source for numerical control electrospark wire-electrode cutting |
| 02/26/2009 | DE202008014716U1 Kraftstoffeinspritzsystem mit einem Injektor Fuel injection system with an injector |
| 02/26/2009 | DE112006003830T5 Fluid-Qualitätssteuerverfahren, Fluid-Qualitätssteuervorrichtung und diese verwendende Elektroentladungsbearbeitungsvorrichtung Fluid-quality control procedures, fluid quality control apparatus and employing the same electric discharge machining apparatus |
| 02/26/2009 | DE10393400B4 Mit elektrischer Entladung arbeitendes Gerät Electric discharge working device |
| 02/25/2009 | CN101374473A System to manufacture custom orthodontic appliances, and related process |
| 02/18/2009 | CN101367145A High speed pinhole knife handle type punched hole electrode |
| 02/18/2009 | CN101367144A High-speed punched hole tubular shape electrode |
| 02/12/2009 | WO2009019885A1 Die-sinking electric discharge machining method and die-sinking electric discharge machining apparatus |
| 02/11/2009 | EP2021146A2 Electrical discharge texturing machine |
| 02/11/2009 | CN101362236A Micro electrode filament feeding guide mechanism for processing micro electric spark |
| 02/11/2009 | CN101362232A Electric spark cutting conductor and manufacture method thereof |
| 02/11/2009 | CN101362231A Electric impulse cutter saw |
| 02/04/2009 | CN201189584Y Portable electric spark nesting screwtap fetching tool machine |
| 01/28/2009 | EP2018923A2 Controller for wire electric discharge machine |
| 01/22/2009 | WO2009011355A1 Process for producing electrode for discharge surface treatment, and electrode for discharge surface treatment |
| 01/21/2009 | EP2017241A2 Graphite material and a method of producing graphite material |
| 01/21/2009 | EP1293282B1 Liquid feeder for electrodischarge machining |
| 01/21/2009 | CN201183149Y Electric spark cutter grinder |
| 01/15/2009 | WO2008087069A3 Method and devices designed to treat defects of the residual white layer left by the electrical discharge machining process |
| 01/14/2009 | EP1815151A4 Spiral drive fastener with engagement ramp |
| 01/14/2009 | CN100450686C Wire electrode cutting process of steam turbine blade |
| 01/07/2009 | CN201175797Y High-low pressure composite pulse power source for processing small holes by electrical spark method |
| 01/01/2009 | US20090001053 Rough maching method and electroerosion tool performing the same |
| 12/31/2008 | CN101332595A Tap fracture material removing device |
| 12/30/2008 | CA2393952C Method for modifying wooden surfaces by electrical discharges at atmospheric pressure |
| 12/24/2008 | EP2006365A2 Polyfunctional hydrocarbon oil composition |
| 12/24/2008 | CN101327564A Method for processing cutting edge of diamond compound tool |
| 12/24/2008 | CN101327534A Pulse power source for electric spark machining capable of decreasing attrition of processing electrode |
| 12/24/2008 | CN101327533A Method for machining carbide alloy screwed hole by electric spark |
| 12/24/2008 | CN100445007C Method and generator for electrical discharge machining |
| 12/16/2008 | US7465900 Electrical energy discharge control |
| 12/16/2008 | US7465899 Wire electric discharge machine |
| 12/10/2008 | EP1998924A1 Dielectric fluid for electrical discharge machining an electrically non-conductive material |
| 12/10/2008 | EP1998923A1 Electrode arrangement for electrical discharge machining an electrically non-conductive material |
| 12/10/2008 | EP1998922A1 Method for electrical discharge machining of electrically non-conductive material |
| 12/10/2008 | CN101318242A Numerical control double-power mode multifunctional impulsing power source for electrospark wire-electrode cutting processing |
| 12/10/2008 | CN101318241A Impulsing power source for spark pinhole processing |
| 12/10/2008 | CN101318240A Numerical control sopulse power source for wire-electrode cutting processing |
| 12/09/2008 | US7462800 Method of shaping lithographically-produced probe elements |
| 12/03/2008 | EP1997581A1 Method and apparatus for milling thermal barrier coated metals |
| 12/03/2008 | CN201157942Y Composite electric discharge machine |
| 12/03/2008 | CN201157941Y Liquid storage tank for mixed powder electric spark machining |
| 12/03/2008 | CN100439024C Electric spark machining liquid storage case device for treatment fluid containing addition agent |
| 12/03/2008 | CN100439023C Discharge processing machine power supply apparatus and power supply control method |
| 11/26/2008 | EP1995583A1 Material piece scooping device |
| 11/26/2008 | CN201154409Y Extension principal axis of discharging processor |
| 11/20/2008 | US20080283504 Electrical Discharge Machine Apparatus for Reverse Taper Bores |