| 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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| 04/30/2008 | CN101168204A Air blast electric spark processing method in liquid |
| 04/24/2008 | WO2008047452A1 Power supply control unit of electric discharge machine |
| 04/24/2008 | WO2008047451A1 Power supply control unit of electric discharge machine |
| 04/24/2008 | WO2008047420A1 Discharge machining apparatus and discharge machining method |
| 04/16/2008 | CN201046523Y Special electric spark machine tool for tyre die processing |
| 04/16/2008 | CN101161390A Non-conducting material spark milling electrode tip |
| 04/02/2008 | EP1138428B1 Tubular electrode holder |
| 04/02/2008 | CN101152678A Discharge processor |
| 03/26/2008 | CN101147992A Large deep/dameter ratio dentiform female die numerically-controlled electric spark expanding and processing device and processing method thereof |
| 03/26/2008 | CN101147991A Railway truck axle shaft end screw hole broken-bevel taking out technology |
| 03/20/2008 | US20080067154 Sinker Electric Discharge Machining Method and Apparatus |
| 03/19/2008 | EP1900711A1 Carbon material and method of processing carbon material |
| 03/19/2008 | CN101144378A Oil well electric spark de-blocking joint-forming robot |
| 03/19/2008 | CN101143394A Electric spark process discharging state forecasting method |
| 03/18/2008 | US7346424 Machining configuration drawing apparatus and machining configuration drawing method |
| 03/13/2008 | US20080061038 Composite Wire For Electrical Discharge Machining |
| 03/13/2008 | DE112005002782T5 Dielektrikum-Qualitätssteuervorrichtung und Funkenerosions-Bearbeitungsvorrichtung Dielectric quality control device and electrical discharge machining apparatus |
| 03/12/2008 | CN101139048A Sheet feed roller and method of manufacturing the same |
| 03/06/2008 | WO2008026323A1 Electric discharge machining device |
| 03/06/2008 | US20080053963 Wire electrode supply device for wire-cut electric discharge machine |
| 03/05/2008 | CN100372641C Method for realizing electricity single generating and discharging utilizing electrodischarge machining equipment |
| 02/28/2008 | US20080047937 Device and method for high frequency electrical discharge machining |
| 02/26/2008 | US7335848 Process for production of die usable for formation of honeycomb structure |
| 02/21/2008 | US20080041826 Apparatus and method for electrical discharge machining |
| 02/13/2008 | CN101121211A Device and method for high frequency electrical discharge machining |
| 02/12/2008 | US7329825 Electric discharge machine and machining method therefor |
| 02/12/2008 | CA2445077C Small hole electrical discharge machining method and small hole electrical discharge machining apparatus and electrode inserting method and electrode inserting apparatus |
| 02/07/2008 | WO2008016798A1 Microreplication on a complex surface |
| 02/07/2008 | WO2008014801A1 A method for deposition of dispersion-strengthened coatings and composite electrode material for deposition of such coatings |
| 02/07/2008 | WO2007130778A3 Electrical discharge texturing machine |
| 01/31/2008 | US20080023446 Microreplication on a complex surface |
| 01/30/2008 | CN101112727A Direct-current arc electric spark processing method |
| 01/29/2008 | US7323654 Electric discharge machining apparatus |
| 01/24/2008 | US20080017614 Electric-Discharge-Machining Power Supply Apparatus and Small-Hole Electric-Discharge Machining Apparatus |
| 01/23/2008 | CN201009021Y Mechanically resistant material electric sparkle cutter |
| 01/23/2008 | CN101108433A Minuteness milling tool spark-erosion machining method and electrode special for the same |
| 01/17/2008 | US20080015729 Machining condition determining system and method for sinker electric discharge machining apparatus |
| 01/15/2008 | CA2299638C Plasma discharge truing apparatus and fine-machining methods using the apparatus |
| 01/09/2008 | CN101100012A Discharging processing electrode clamp |
| 01/03/2008 | WO2008000072A1 Abrasion assisted wire electrical discharge machining process |
| 01/03/2008 | CA2653730A1 Abrasion assisted wire electrical discharge machining process |
| 12/27/2007 | US20070295696 Electrode for Electric Discharge Machining, and Electric Discharge Machining Method |
| 12/27/2007 | US20070295695 EDM wire |
| 12/26/2007 | CN100357053C Voltage-regulating energy saving spark machining pulse power supply |
| 12/20/2007 | US20070292223 Method and apparatus for aligning a machine tool |
| 12/20/2007 | US20070289949 Electric-Discharge-Machining Power Supply Apparatus and Electric Discharge Machining Method |
| 12/20/2007 | US20070289925 A chemical precursor with a contact surface of a conductive carbon substrate to form a monolayer of parallel molecular unit attached to the substrate through a conjugated bond; the contact surface having a roughness value less than or equal to the average length of the molecular units |
| 12/19/2007 | EP1867422A2 Device and method for electrochemical processing of workpieces |
| 12/13/2007 | US20070284339 Plasma etching chamber parts made with EDM |
| 12/12/2007 | CN100354454C Compact electrode for discharge surface treatment and method for mfg. discharge surface treatment compact electrode |
| 12/07/2007 | CA2590628A1 Flame arrester arrangement and method of incorporating bores in a flame arrester arrangement |
| 12/06/2007 | US20070278190 Wire electric discharge machine |
| 12/05/2007 | EP1862245A2 Wire Electric Discharge Machine |
| 12/05/2007 | CN101081452A Wire electric discharge machine |
| 11/29/2007 | US20070271785 Fans and turbines |
| 11/28/2007 | CN100351030C Equipment and method of electrospark assisted by disturbance of shock pressure for treating fine structure with high depth-width ratio |
| 11/15/2007 | WO2007129749A1 Porous copper electrode for electric discharge machining, and method for manufacturing porous copper electrode for electric discharge machining |
| 11/08/2007 | US20070256939 Methods and Apparatus for Electroerosion |
| 11/06/2007 | US7291799 Electrode dressing template |
| 11/06/2007 | US7291274 Low cost ferric ion removal using combination of oxalic and phosphoric acids in distilled or deionized water; purification for reuse in system |
| 10/31/2007 | CN200967107Y Eye mould for electric discharging machine |
| 10/31/2007 | CN101065209A Electric-discharge-machining power supply apparatus and electric discharge machining method |
| 10/31/2007 | CN100345651C Discharge-processing power source device |
| 10/25/2007 | DE102006018725A1 Anlage zum Filtern von Kühl- bzw. Bearbeitungsmedien für Trenn-, Schleif- und Erodierprozesse System for filtering coolant or working fluids for Cutting, grinding and EDM processes |
| 10/24/2007 | EP1847348A2 Polarity switching method in consumable electrode AC pulse arc welding |
| 10/24/2007 | CN200966036Y Wire-cut double circuit pulse power supply |
| 10/24/2007 | CN100344400C Machining configuration drawing apparatus and machining configuration drawing method |
| 10/24/2007 | CN100344397C Electric discharge machine |
| 10/17/2007 | CN101056734A Machining liquid quality control device and method, and electro-discharge machining device |
| 10/17/2007 | CN101053918A Electric spark machine |
| 10/17/2007 | CN100343005C Discharge processing apparatus |
| 10/16/2007 | CA2267621C Method of manufacturing porous electrode wire for electric discharge machining and structure of the electrode wire |
| 10/11/2007 | WO2007114505A1 Polyfunctional hydrocarbon oil composition |
| 10/11/2007 | WO2007113915A1 Method of liquid-quality control, liquid-quality control apparatus, and electrical discharge machining apparatus making use of the same |
| 10/11/2007 | WO2007113906A1 Discharge processing apparatus and discharge processing method |
| 10/10/2007 | CN101052490A 风扇和涡轮机 Fan and turbine |
| 10/10/2007 | CN101049646A Electric sparkle wire processing device |
| 10/04/2007 | WO2007110285A1 Dielectric fluid for electrical discharge machining an electrically non-conductive material |
| 10/04/2007 | WO2007110280A1 Electrode arrangement for electrical discharge machining an electrically non-conductive material |
| 10/04/2007 | WO2007110277A1 Method for electrical discharge machining of electrically non-conductive material |
| 10/04/2007 | US20070233312 Determination Method and Processing Method of Machined Surface of Plate-Like Material, and Apparatus for Use in said Methods |
| 10/03/2007 | CN101048253A Electric discharge machining power supply apparatus, and small-hole drilling electric discharge machining |
| 10/03/2007 | CN101046012A Combing device used for circular comb and method for manufacturing thereof |
| 10/03/2007 | CN101045261A Multichannel electrical discharge processing machine |
| 10/03/2007 | CN101045260A Equipment and method for complex frequency power output of electrical discharge machine |
| 10/03/2007 | CN100340367C Electric spark processing electrode |
| 09/27/2007 | DE19882576B4 Grünling-Elektrode zur Funkenentladungsbehandlung, zugehöriges Herstellungsverfahren, und Verfahren zum Recyceln einer Grünling-Elektrode Green compact electrode for spark discharge treatment manufacturing method thereof, and a method for recycling green compact electrode |
| 09/26/2007 | EP1837114A1 Dielectric fluid for electric discharge machining a non electrically conductive material |
| 09/26/2007 | EP1837113A1 Electrode arrangement and electric discharge machining method for insulating material |
| 09/26/2007 | EP1837112A1 Electrode arrangement for electric discharge machining an electrically non conductive material |
| 09/20/2007 | WO2007105308A1 Material piece scooping device |
| 09/20/2007 | US20070215578 Apparatus for Melting Off Injection Needles |
| 09/13/2007 | WO2007064894A3 Charge and weld gating system with safety circuit |
| 09/11/2007 | US7268314 Discharge-processing power source device |
| 09/05/2007 | CN100335217C Metal hydro-electric cutting method |
| 09/05/2007 | CN100335216C Method and apparatus for electrodischarge machining |
| 08/28/2007 | US7262382 Process of forming conical holes with an electrical discharge machining system |
| 08/28/2007 | US7261796 Method and apparatus for aligning a machine tool |
| 08/23/2007 | US20070193979 EDM electrode tool holder |
| 08/21/2007 | US7259347 Electric discharge machine that calculates and displays the machining time |