| Patents for B23H 3 - Electrochemical machining, i.e. removing metal by passing current between an electrode and a workpiece in the presence of an electrolyte (1,991) |
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| 08/25/1987 | US4689457 Wire-cut electric discharge machine |
| 08/19/1987 | CN86108076A Ecm machine with workpart shroud and arbor assembly |
| 08/12/1987 | CN86107647A Partially conductive cathode for electrochemical machining |
| 08/04/1987 | US4684455 Electrical continuity clamp for ECM machine |
| 07/15/1987 | EP0228772A2 Multi-axis ECM machine useful for machining airfoils of rotors |
| 07/01/1987 | EP0227227A2 ECM machine with workpart shroud and arbor assembly |
| 07/01/1987 | EP0227225A2 ECM machine with skewed workpart and pocketed cathodes |
| 07/01/1987 | EP0227224A2 Electrical continuity clamp for ECM machine |
| 07/01/1987 | EP0227223A2 Electrolyte chamber with cathode sealing means for ECM machining |
| 06/30/1987 | US4676833 Method for reproducing composition of electrolytic polishing solution for niobium material |
| 06/16/1987 | US4673791 Method and apparatus for controlling an electric discharge machine |
| 05/27/1987 | EP0223401A1 Partially conductive cathode for electrochemical machining |
| 05/14/1987 | DE3611430C1 Fine-machining process for the surface of a metal workpiece |
| 05/05/1987 | US4663011 Multi-axis ECM machine useful for machining airfoils of rotors |
| 04/22/1987 | CN86101011A 船舶推进系统 Ship propulsion system |
| 04/14/1987 | US4657649 For oversize airfoil blades |
| 04/14/1987 | US4657645 ECM machine with workpart shroud and arbor assembly |
| 02/25/1987 | EP0211800A1 Electroerosion process and installation therefor |
| 01/06/1987 | US4634511 Device for electropolishing the inner surface of hollow cylindrical bodies |
| 12/24/1986 | CN85104690A Method and apparatus for the electroerosive working of workpieces |
| 10/15/1986 | EP0197160A1 Method of machining by electroerosive wire-cut discharge |
| 09/16/1986 | US4612101 Apparatus for the electrochemical etching of grooves of very small width |
| 07/22/1986 | US4601803 Electrochemical machining technique and apparatus |
| 04/24/1986 | WO1986002299A1 Machining device by wire-cut discharge |
| 04/16/1986 | EP0177619A1 Method of displaying machining shapes in a wire discharge machining apparatus |
| 01/02/1986 | EP0166191A2 Electrode for electrochemically producing holes in metal work pieces |
| 11/27/1985 | EP0162440A2 Method and device for electrochemically machining very narrow grooves |
| 11/05/1985 | US4551602 Electrical machining using an aqueous solution with a recycled surface active agent |
| 10/24/1985 | WO1985004610A1 Method of displaying machining shapes in a wire discharge machining apparatus |
| 10/24/1985 | WO1985004609A1 Method of displaying present positions in a wire discharge machining apparatus |
| 10/15/1985 | CA1195102A1 Masking agent for electrolytic machining |
| 10/09/1985 | EP0157001A2 Method for treating an electrolyte containing sodium nitrate at the electrochemical machining of metal work pieces |
| 10/08/1985 | US4545874 Detecting sparks by generatting a stream of pulses |
| 09/17/1985 | US4541909 Controlled metal removal by parallel-to-face electrochemical machining |
| 07/03/1985 | EP0146833A2 Apparatus for electropolishing the inner surfaces of hollow cylindrical objects |
| 06/11/1985 | US4522692 Electrochemical machining a workpiece uniformly using a porous electrode |
| 05/29/1985 | EP0143014A1 Precision machining method, application to the machining of the reflecting surface of a mirror and mirror machined according to this method |
| 04/10/1985 | EP0136962A1 Electrochemical machining metal-ceramic composite material using a porous electrode |
| 03/12/1985 | US4504370 Method and apparatus for electrochemical machining |
| 10/09/1984 | US4475995 Method for electrochemical removal of metallic work material |
| 08/28/1984 | US4468304 Electro chemical machining methods |
| 08/15/1984 | EP0115793A1 Process and device for treating sodium-nitrate containing electrolytes during electrochemical removal |
| 01/18/1984 | EP0098711A1 Electrical machining system and method of processing a machining liquid therein |
| 10/18/1983 | US4410901 Electrochemical marking |
| 09/27/1983 | US4406761 Electrolysis, nonconductor, abrasive |
| 07/19/1983 | US4394243 Electrode for an electrochemical metal machine process |
| 07/19/1983 | CA1150187A1 Processing workpieces electrochemically using carbon particles and vanadium compound |
| 07/05/1983 | US4391684 Method of manufacture of an article having internal passages |
| 05/25/1983 | EP0079754A2 Masking agent for electrolytic machining |
| 04/19/1983 | CA1144891A1 High capacity etching apparatus |
| 02/22/1983 | CA1141698A1 Electrode drive and controls for electrochemical machining |
| 08/24/1982 | US4346423 Short circuit disconnecting circuit |
| 05/25/1982 | US4331524 Process and apparatus for electrolytic metal processing |
| 10/13/1981 | CA1110575A1 Electrolyte for electrochemical machining of nickel base superalloys |
| 04/28/1981 | US4264417 Electrochemical method for processing work-pieces |
| 03/24/1981 | US4257865 Electrochemical working method and system for effecting same |
| 03/17/1981 | US4256555 Electro-chemical-machining of aerofoil blades |
| 12/23/1980 | US4240888 Suspension of carbon or graphite powders in electrolyte, dissolved vanadium compound |
| 11/11/1980 | CA1089407A1 Method of machining electrically conducting substances by electrochemical attack |
| 08/12/1980 | CA1083527A1 Apparatus for electrochemically forming a plurality of articles |
| 07/22/1980 | US4213834 Metals, oscillation, voltage pulses, cavitation |
| 06/11/1980 | EP0011801A1 Process for electrochemically machining metal surfaces |
| 06/03/1980 | US4206028 Electrochemical polishing system |
| 05/13/1980 | CA1077432A1 Power supply for electrochemical machining |
| 09/11/1979 | US4167462 Electrode drive and controls for electrochemical machining |
| 08/07/1979 | US4163701 Method of electrochemical machining of polyphase alloys |
| 07/10/1979 | US4160710 Method of electrolytic machining |
| 05/08/1979 | US4153524 Pulsating current |
| 04/03/1979 | US4147609 Apparatus for electrochemical machining of metal parts |
| 02/13/1979 | US4139446 Device for electrolytic treatment of workpieces |
| 01/23/1979 | US4136006 Electrode for electrochemical machining |
| 11/14/1978 | US4125444 Electrochemical polishing method |
| 09/26/1978 | US4116799 Machine for the simultaneous electrochemical processing of multiple workpieces |
| 09/12/1978 | US4113587 Pulsating electric current |
| 08/29/1978 | US4110190 Apparatus for machining electrically conducting substances by electrochemical attack |
| 06/27/1978 | US4097710 Method and apparatus for electrical machining |
| 06/06/1978 | US4093530 Device for electrochemical treatment of workpieces |
| 04/18/1978 | US4085025 Apparatus for electrochemical machining of workpieces |
| 04/11/1978 | US4083767 Apparatus for electrochemical machining of workpieces |
| 02/14/1978 | US4073710 Method of machining electrically conducting substances by electrochemical attack |
| 11/29/1977 | US4060467 Electrolytic machining system |
| 10/04/1977 | US4052284 Apparatus for electrochemically forming a plurality of articles |
| 10/04/1977 | US4051747 Method for making a tool electrode for electrical discharge machining |
| 09/06/1977 | US4046662 Electrolyte draining |
| 08/09/1977 | US4040933 Filter assembly for electrochemical machining apparatus |
| 08/09/1977 | US4040920 Chromium(vi)-containing; adding ferrous nitrate or chloride, neutralization with sodium hydroxide |
| 05/31/1977 | US4026779 Chloride and nitrate salts |
| 04/26/1977 | US4020313 Adjustable electrode positioning device for electric spark machining apparatus |
| 01/25/1977 | US4004992 Drilling |
| 08/17/1976 | US3975245 Nitric, hydrochloric and citric acid |
| 08/03/1976 | US3972797 Electrode for electrochemical machining |