| 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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| 12/23/2004 | WO2004111304A1 Method for repairing machine part, method for forming restored machine part, method for manufacturing machine part, gas turbine engine, electric discharge machine, method for repairing turbine component, and method for forming restored turbine component |
| 12/23/2004 | WO2004111303A1 Metal product producing method, metal product, metal component connecting method, and connection structure |
| 12/22/2004 | EP1487596A1 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 |
| 12/22/2004 | CN1180914C Metal wire discharge processing device |
| 12/21/2004 | US6833524 Multi-station electrical discharge machining with manufacturing interrupt reduction |
| 12/15/2004 | EP1486281A1 Machining fluid treating device for wire-cut electric discharge machine |
| 12/14/2004 | US6831246 Multi-station electrical discharge machining with single velocity command |
| 12/09/2004 | US20040244255 Barrel chambering method and apparatus |
| 12/02/2004 | WO2004103626A1 Device for machining by electroerosion |
| 12/02/2004 | WO2004103625A1 Electric discharge machine |
| 12/02/2004 | US20040238457 Low cost ferric ion removal using combination of oxalic and phosphoric acids in distilled or deionized water; purification for reuse in system |
| 12/02/2004 | US20040238417 Machining fluid treating device for wire-cut electric discharge machine |
| 11/24/2004 | EP1216115B1 Direct metal fabrication of parts |
| 11/18/2004 | DE19810470B4 Verfahren zur Herstellung eines Zylinders für einen Zweitakt-Verbrennungsmotor Process for the preparation of a cylinder for a two-stroke internal combustion engine |
| 11/18/2004 | DE10297065T5 Elektrisches Netzteil für das Bearbeiten mit einer elektrischen Drahtentladungsmaschine Electric power supply for working with wire electric discharge machine |
| 11/18/2004 | CA2524188A1 Method and apparatus for creating textured handle packaging |
| 11/17/2004 | EP1477257A1 Method and system for electric discharge machining insulating material or high resistance material |
| 11/17/2004 | CN1546266A Resistance proof current flow type energy-saving electric spark processing impulsing power source with two-stage structure |
| 11/16/2004 | US6818102 Method for modifying wooden surfaces by electrical discharges at atmospheric pressure |
| 11/16/2004 | US6817132 Barrel chambering method and apparatus |
| 11/11/2004 | US20040222195 Method and apparatus for electrical discharge machining of a workpiece |
| 11/10/2004 | CN1545488A Method of deionising and clarifying the aqueous medium used in an electrical discharge machine and the product used in said method |
| 11/04/2004 | US20040217090 Electrical discharge machining electrode holder |
| 10/28/2004 | US20040211758 Electric discharge machining apparatus |
| 10/27/2004 | EP1470885A2 Multi-station electrical discharge machining with single velocity command |
| 10/27/2004 | CN1539587A Vibration stirring type worktable of electron discharge machine tool |
| 10/26/2004 | US6809285 Micro electro discharge machining method and apparatus |
| 10/26/2004 | US6809283 Noble metal in-situ sampling method and apparatus |
| 10/19/2004 | US6806435 Small hole electric discharge machine drill provided with depth-specific processing means |
| 10/19/2004 | US6806434 Electric discharge machine with output power control |
| 10/06/2004 | EP1464430A1 Method and apparatus for electrical discharge machining |
| 10/06/2004 | CN1533858A Method and device used for electric spark processing workpiece |
| 10/05/2004 | US6800829 Method and apparatus for repairing air-cooled airfoils |
| 09/28/2004 | US6797912 Method and a device for manufacturing a stator component or rotor component |
| 09/28/2004 | US6797911 Electric discharge machining electrode |
| 09/21/2004 | US6793982 Electrode of green compact for discharge surface treatment, method of producing the same, method of discarge surface treatment, apparatus therefor, and method of recycling electrode of green compact for discharge surface treatment |
| 09/16/2004 | WO2004078400A1 Electric discharge machining method and electric discharge machining fluid |
| 09/15/2004 | EP1457461A1 Method of deionising and clarifying the aqueous medium used in an electrical discharge machine and the product used in said method |
| 09/14/2004 | US6791054 Electrode holding and dispensing assembly for electrical discharge machining apparatus |
| 09/14/2004 | US6791053 Cad/cam device for electric discharge machine |
| 09/08/2004 | CN1526503A Electric spark processing electrode |
| 09/02/2004 | WO2004075609A2 Pulsed electric field system for decontamination of biological agents on a dielectric sheet material |
| 08/26/2004 | US20040164054 Electric discharge machining electrode |
| 08/25/2004 | EP1449609A1 Electric discharge machining electrode |
| 08/25/2004 | EP1137507B1 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 |
| 08/25/2004 | CN1524024A Machining power supply unit for metal wire electric discharge machining machine |
| 08/24/2004 | US6781082 Increased wheel uniformity through EDM process |
| 08/19/2004 | WO2004069460A1 Wire for electrical discharge machining, comprising a brass core and a copper surface layer |
| 08/19/2004 | US20040159540 Pulsed electric field system for decontamination of biological agents on a dielectric sheet material |
| 08/18/2004 | EP1446253A2 Electric discharge machining electrode and method |
| 07/28/2004 | EP1440038A1 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product |
| 07/27/2004 | US6767438 Dual voltage conical ECM electrode |
| 07/21/2004 | CN1513633A Power supply equipment for discharging device |
| 07/15/2004 | US20040134879 Method of manufacturing a spectral filter for green and longer wavelengths |
| 07/14/2004 | CN1511668A Electric working using perforating electrode |
| 07/14/2004 | CN1511666A Multiple shaft digital control electric working of blade disc |
| 07/08/2004 | DE19882531B4 Positioniereinrichtung für eine elektrische Entladungsmaschine und zugehöriges Verfahren Positioning device for an electric discharge machine and associated method |
| 07/06/2004 | US6759621 Cylindrical hole and form centering and drilling device |
| 07/01/2004 | US20040124189 Power supply device for electric discharge machine |
| 07/01/2004 | US20040124182 Method and apparatus of asynchronous electric discharge machine for wire cut |
| 07/01/2004 | US20040124078 A metallic rotatable tool electrode is used to induce the removal of metal through high intensity thermal erosion, monitoring short circuiting, regulating tool speed |
| 07/01/2004 | DE4335987C5 Spülvorrichtung für eine Funkenerosionsmaschine Washing apparatus for an electric discharge machine |
| 06/30/2004 | EP1433558A2 Multi-axis numerical control electromachining of bladed disks |
| 06/29/2004 | US6756557 Power supply for wire electric discharge machining |
| 06/24/2004 | WO2004052579A1 Electrode for electric discharge machining and electric discharge machine for roll and machining method |
| 06/23/2004 | EP1430982A2 Power supply device for electric discharge machine |
| 06/23/2004 | EP1430981A1 Electrical discharge machine |
| 06/17/2004 | US20040112871 Method and a device for manufacturing a stator component or rotor component |
| 06/16/2004 | EP1428602A2 Wire electric discharge machine |
| 06/10/2004 | WO2004049012A2 Method of manufacturing a spectral filter for green and longer wavelengths |
| 05/27/2004 | WO2004044255A1 Electrode material for electric discharge machining and method for production thereof |
| 05/27/2004 | US20040101619 Object decoration |
| 05/27/2004 | US20040099640 Electrical discharge machine |
| 05/27/2004 | CA2500351A1 Electrode material for electric discharge machining and method for production thereof |
| 05/25/2004 | US6740839 Transporting and positioning device for tool magazine of machine tool |
| 05/20/2004 | US20040094515 Wire electric-discharge machining method and device |
| 05/19/2004 | CN1498148A Electrical discharge machine |
| 05/19/2004 | CN1496773A Conducting wire discharge equipment |
| 05/13/2004 | DE19920892B4 Vorrichtung und Verfahren zum Entfernen von Schlamm von einem Filter zum Gebrauch in einer Elektroerosionsmaschine Apparatus and method for removing sludge from a filter for use in an electric discharge machine |
| 05/12/2004 | EP1417070A2 Spark erosion |
| 05/11/2004 | US6734384 Electrical discharge machine apparatus with improved dielectric flushing |
| 05/11/2004 | US6732605 Bevel gear |
| 05/06/2004 | US20040084419 Wire electric discharge machine |
| 05/06/2004 | US20040084418 Multi-station electrical discharge machining with manufacturing interrupt reduction |
| 05/06/2004 | EP1415747A2 Multi-station electrical discharge machining with manufacturing interrupt reduction |
| 04/29/2004 | WO2004036265A2 Spectral filter for green and longer wavelengths |
| 04/28/2004 | CN1491766A Multiple work position discharge working using single speed instruction |
| 04/27/2004 | US6727455 Power supply system for applying a voltage of both positive and negative polarities in electric discharge machining |
| 04/22/2004 | US20040075966 Electric discharge apparatus |
| 04/22/2004 | US20040074876 Cylindrical hole and form centring and drilling device |
| 04/22/2004 | DE10197099T5 CAD/CAN-Einrichtung für elektrische Erosionsmaschine CAD / CAN device for electrical discharge machine |
| 04/21/2004 | EP1410865A2 Electric discharge apparatus |
| 04/20/2004 | US6723941 Wire electric-discharge machining apparatus |
| 04/15/2004 | DE10195975T5 Entladungspulsgenerator Discharge pulse generator |
| 04/13/2004 | US6720516 apparatus for electric discharge micromachining of a micro-diameter hole |
| 04/13/2004 | US6719602 Nanotube length control method |
| 04/08/2004 | WO2004028721A1 Ultrafine hole punching method and punching machine |
| 04/07/2004 | CN1144641C Power supply device for discharge working |
| 04/06/2004 | US6717094 Electrical discharge machine and methods of establishing zero set conditions for operation thereof |
| 04/01/2004 | DE4447650B4 Vorrichtung zur elektrischen Entladungsbearbeitung unter Benutzung variabler Kapazität und variabler Induktivität An apparatus for electrical discharge machining using the variable capacity and variable inductance |