| 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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| 03/13/1997 | WO1997003781A3 Method of electrochemical machining by bipolar pulses |
| 02/26/1997 | EP0759347A1 Method of manufacturing extrusion die for extruding honeycomb structural body |
| 02/06/1997 | WO1997003781A2 Method of electrochemical machining by bipolar pulses |
| 02/06/1997 | CA2199850A1 Method of electrochemical machining by bipolar current pulses |
| 11/13/1996 | EP0741625A1 Electrode for electrochemical machining |
| 10/22/1996 | US5567304 Elimination of island formation and contact resistance problems during electroetching of blanket or patterned thin metallic layers on insulating substrate |
| 10/22/1996 | US5567300 Multilayer copper connectors in thin films modules |
| 10/15/1996 | US5565084 Forming hole for tube, etchant solution, electrode, current source in silicon substrate |
| 08/14/1996 | EP0520073B1 Method of continuous processing of wire rod |
| 07/18/1996 | DE19500042A1 Kontaktteil zur Stromübertragung auf ein Werkstück bei der elektrochemischen Materialbearbeitung Contact unit for power transmission to a workpiece during electrochemical material processing |
| 07/11/1996 | WO1996020804A1 Contact for feeding current to a workpiece in electrochemical-working processes |
| 07/04/1996 | WO1996020061A1 Electrode for electrochemical machining, method of electrochemical machining with said electrode, a bearing and a method of determining a profile using said electrode |
| 07/04/1996 | WO1996020060A1 Method of electrochemical machining and bearing manufactured with said method |
| 07/04/1996 | WO1996020059A1 Method of machining a component of a bearing, an electrode for electrochemically machining said component and a method of manufacturing an electrode |
| 06/06/1996 | WO1996016765A1 Electrode for electrochemical machining |
| 05/14/1996 | US5516401 Nuclear reactors |
| 05/01/1996 | EP0709159A1 Electrochemical drilling of substrates |
| 04/25/1996 | DE4437695A1 Multistage cascade rinsing with full or partial return of the process solutions carried off |
| 04/16/1996 | US5507925 Electrochemical drilling of substrates |
| 03/06/1996 | EP0699782A1 High speed electrochemical metal removal technique for planarization of DLM structure using neutral salt electrolytes |
| 01/03/1996 | CN1114250A Machine for machining clearance groove on female die of cold punching dies |
| 12/06/1995 | EP0685285A1 Electrochemical machining process and apparatus |
| 12/03/1995 | CA2150450A1 Electrochemical machining machine and corresponding process |
| 08/08/1995 | US5440496 Procedure and apparatus for producing individually designed, three-dimensional bodies usable as tooth replacements, prostheses, etc. |
| 06/06/1995 | CA1335803C Finishing method employing electro-chemical machining, and an electro-chemical finishing machine |
| 05/11/1995 | WO1995012478A1 Method of manufacturing a stationary blade for the rotary shaving head of an electric razor |
| 05/11/1995 | WO1995012470A1 Electrode-instrument for electro-chemical cutting of grooves in the stationary blade of an electric razor |
| 05/02/1995 | CA1335442C Spacer for an electrochemical apparatus |
| 04/18/1995 | CA1335271C Electrolytic finishing method |
| 04/06/1995 | DE4333935A1 Process and arrangement for etching noble metals |
| 03/29/1995 | CN1100760A Process and device for electrochemical machining of metallic materials and especially of the internal surface of bottom penetrations of a nuclear reac |
| 03/08/1995 | CN1099812A Improvements in the treating of metal surfaces |
| 01/11/1995 | EP0633088A1 Process and apparatus for electrochemically etching metallic materials in particular the inner bottom surface of nuclear reactor vessels |
| 01/10/1995 | US5380441 Removal of chromium from solution using mechanically agitated iron particles |
| 01/03/1995 | CA1333787C Electrodes for electrochemically machining airfoil blades |
| 01/03/1995 | CA1333783C Method and apparatus for electrochemically machining airfoil blades |
| 08/02/1994 | US5334294 Passing continuously through electrolytic polishing bath with installed cathode, turning on electricity only when portion to be processed is in bath, increasing speed otherwise |
| 07/27/1994 | EP0607894A1 Shaped-tube electrolytic polishing process |
| 07/27/1994 | EP0607893A1 Shaped-tube electrolytic machining process |
| 06/21/1994 | US5322599 Advancing conductive tube toward workpiece while passing electrolyte through, passing fixed electric current between tube and workpiece, forming hole by uniform deplating |
| 06/14/1994 | US5320721 Shaped-tube electrolytic polishing process |
| 04/26/1994 | US5306402 Method for controlling the machining current in electrochemical machining |
| 04/12/1994 | CA1328423C Electrolytic finishing method |
| 03/29/1994 | US5298161 Apparatus for cleaning the working liquid of an EDM or ECM machine |
| 03/15/1994 | US5294308 Detecting an abnormal increase of electrode-to-electrode voltage during supply of the machining pulse |
| 03/09/1994 | EP0585667A1 Electric current control method used for electrochemical machining |
| 02/08/1994 | CA1326882C Power supply system for electrolytic processing apparatus |
| 12/21/1993 | CA1325403C Method for finishing a work |
| 09/07/1993 | US5242556 Electrolytic machining using pulsed electric current |
| 09/07/1993 | CA1321978C Electrolytic finishing system |
| 09/07/1993 | CA1321977C Ecm machine with skewed workpart and pocketed cathodes |
| 09/01/1993 | EP0557593A1 Electrochemical tool for uniform metal removal during electropolishing |
| 08/19/1993 | DE4204258A1 Holding devices in electrochemical processing appts. - used for removing workpieces from cathode holding bar, are e.g. spring biassed holding fingers, magnetically operated fingers or suction operated anode bar |
| 08/19/1993 | DE4204234A1 Electrochemical working appts. - with rotatable table moving workpieces from loading station to working station to discharge slide |
| 07/06/1993 | US5225053 Method for regulating the electrical current in an electrochemical working process |
| 06/23/1993 | CN1073387A Electrochemical and mechanical method and apparatus for making oil-producing sieve tube |
| 06/08/1993 | US5217586 Electrochemical tool for uniform metal removal during electropolishing |
| 06/01/1993 | US5216218 Control unit for electrical discharge machine |
| 05/26/1993 | EP0542927A1 Orbital electrochemical machining |
| 04/06/1993 | EP0542927A4 Orbital electrochemical machining. |
| 03/30/1993 | CA1315235C Electrolyte chamber with cathode sealing means for ecm machining |
| 03/24/1993 | CN1020153C Electrochemical erasing-cutting method and cathodic erasing head thereof |
| 02/24/1993 | CA2049790A1 Electro-chemical etch device |
| 02/23/1993 | US5188514 Process for manufacturing an impeller by electrical discharge machining and articles so obtained |
| 02/17/1993 | EP0527514A1 Method and apparatus for electro-chemical machining, for example polishing, a surface of an article |
| 12/30/1992 | EP0520073A1 Method of continuous processing of wire rod |
| 12/23/1992 | EP0519028A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 12/15/1992 | US5171408 Electrochemical machining of a titanium article |
| 11/24/1992 | CA1310611C Partially conductive cathode for electrochemical machining |
| 10/27/1992 | US5158659 Electrochemical machining, plurality of elastic members in blind tapped holes for resiliently holding in grrove |
| 09/22/1992 | US5149405 Workpiece with transverse platform; varying field direction of cathode tool |
| 09/08/1992 | US5145564 Method of and apparatus for producing electrically-conductive probe tips |
| 09/08/1992 | US5145547 Apparatus for self-induced repair of circuit short and near-shorts |
| 09/01/1992 | US5143586 Electrochemical machining process and equipment |
| 08/19/1992 | CN1017879B Electrodes for electrochemically machining airfoil blades |
| 08/05/1992 | CN1017691B Method and apparatus for electroerosive working of workpieces |
| 07/23/1992 | WO1992011923A1 Device for cleansing the machining fluid for a spark-erosion or electrochemical processing machine |
| 07/17/1992 | WO1992012819A1 Method of and device for continuous processing of wire rod |
| 07/17/1992 | CA2078335A1 Method of and device for continuous processing of wire rod |
| 07/07/1992 | US5128010 Apparatus for electrical machining |
| 06/24/1992 | EP0491220A2 Electric current control method used for electrochemical machining |
| 06/24/1992 | EP0491052A1 Method of finishing gear by electrolytically machining and method of machining electrode used therein |
| 06/17/1992 | EP0490848A2 A procedure and apparatus for producing individually designed, three-dimensional bodies usable as tooth replacements, prostheses, etc. |
| 06/16/1992 | US5122242 Simplified, efficient production of integrally stiffened shell and plate structures |
| 06/09/1992 | US5119595 Lens grinding apparatus |
| 05/19/1992 | US5114548 Orbital electrochemical machining |
| 02/25/1992 | US5091067 Method and an apparatus for machining optical components |
| 02/19/1992 | EP0471086A1 Electrolytic finishing method |
| 02/18/1992 | CA1295968C Multi-axis ecm machine useful for machining airfoils of rotors |
| 02/11/1992 | CA1295575C Ecm machine with workpart shroud and arbor assembly |
| 02/10/1992 | WO1992002329A1 Orbital electrochemical machining |
| 02/05/1992 | EP0469471A2 Adaptive control unit for electrical discharge machine |
| 02/04/1992 | US5085747 Ultrasonic machining method |
| 01/15/1992 | EP0466436A2 Electrode clamp device for use in electrochemical machine |
| 01/07/1992 | US5078839 Electrochemical machining, computer controlled automatic adjustment, three-dimensional workpieces |
| 01/05/1992 | WO1992000825A1 Method of finishing gear by electrolytically machining and method of machining electrode used therein |
| 01/05/1992 | CA2067097A1 Electrolytic finishing method of finishing a bevel gear and a method of machining an electrode used for the electrolytic finishing method |
| 12/18/1991 | EP0461756A1 Electrolytic machining using pulsed electric current |
| 11/12/1991 | US5064521 Apparatus for electrochemical machining |
| 11/05/1991 | US5062933 Ultrasonic machining method |