| Patents for B23H 9 - Machining specially adapted for treating particular metal objects or for obtaining special effects or results on metal objects (3,245) |
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| 12/07/1993 | US5268549 Method and apparatus for destroying a syringe needle |
| 11/23/1993 | US5264675 Method and apparatus for destroying a syringe needle |
| 11/16/1993 | US5262805 Drive circuits for spark-discharge imaging apparatus |
| 11/10/1993 | EP0568650A1 Apparatus for destroying hypodermic needles |
| 10/27/1993 | EP0566803A1 Method for the manufacture of extrusion dies, and dies obtained therefrom |
| 10/26/1993 | US5256262 System and method for electrolytic deburring |
| 10/06/1993 | EP0563744A2 Method of electrochemical fine processing |
| 10/05/1993 | USRE34398 Apparatus for and method of manufacturing brush seals |
| 10/05/1993 | US5249752 Combs for application to suction nozzles for seizing the end of yarns wound in packages |
| 09/21/1993 | US5247151 Mold making process |
| 09/14/1993 | US5244548 Electrochemical machining |
| 09/07/1993 | US5243167 Apparatus and method for manufacturing a slotted torque tube |
| 09/07/1993 | CA1321977C Ecm machine with skewed workpart and pocketed cathodes |
| 08/12/1993 | DE4203657A1 Steam turbine interstage steam flow ring production method - commences with U-section ring which has vanes pressed into EDM produced flange holes and web bored out to create flow passages |
| 08/12/1993 | DE4203656A1 Wire electrode EDM machine for producing blade root slots in turbine discs - has wire electrode guided parallel to rotor axis on end of fork whose movement is programmed to follow desired slot profile |
| 08/12/1993 | DE4203655A1 Steam turbine flow guide ring production method - commences with U=section ring which has vanes pressed into EDM produced flange holes and web bored out to create flow passage |
| 08/05/1993 | WO1993014898A1 Mold making process using electrical discharge machining |
| 07/28/1993 | EP0552602A2 Bonding tools and their fabrication |
| 07/22/1993 | WO1993014249A1 Methods and apparatus for electrochemical machining |
| 07/13/1993 | US5227602 Process for manufacturing tooth replacements by spark erosion and device for clamping, inserting and truing plaster models or copper electrodes for the spark-erosion manufacture of tooth replacements |
| 07/06/1993 | US5225645 Electron discharge machining tool |
| 06/30/1993 | EP0548932A1 Surface layer forming process using electric discharge machining |
| 06/29/1993 | US5223687 Contacting the metal electrode with the surface of a substrate and moving the area where the electrode contacts the film; film of indium oxide or indium tin oxide |
| 06/23/1993 | EP0547801A1 Electrical discharge boring apparatus |
| 06/23/1993 | EP0513228A4 Curved bore drilling apparatus |
| 06/16/1993 | EP0546225A1 Tool making |
| 06/09/1993 | CN2135421Y Computer characters carving machine |
| 05/25/1993 | US5213248 Bonding tool and its fabrication |
| 05/18/1993 | US5211354 Textile core having improved start up groove |
| 05/11/1993 | CA1317444C Method and apparatus for producing turbine blade roots |
| 05/04/1993 | US5207385 Fuel injection nozzle |
| 04/14/1993 | EP0536977A1 Surface contouring tool |
| 03/30/1993 | US5197361 Surface contouring tool |
| 03/17/1993 | EP0276264B1 Process and device for electrochemically machining workpieces |
| 03/10/1993 | EP0530410A1 Method of producing surgical needle with gut |
| 03/09/1993 | US5192026 Fuel injectors and methods for making fuel injectors |
| 03/03/1993 | CN1020025C Process for producing substrate for selective crystal growth |
| 02/23/1993 | US5188514 Process for manufacturing an impeller by electrical discharge machining and articles so obtained |
| 01/12/1993 | US5178742 Method of and apparatus for forming a micromelt structure on an electrically-conductive probe tip |
| 01/05/1993 | US5176947 Electroerosion printing plates |
| 12/30/1992 | EP0520073A1 Method of continuous processing of wire rod |
| 12/09/1992 | EP0375774B1 Device for electro-erosive piercing of openings in parts |
| 11/24/1992 | CA1310611C Partially conductive cathode for electrochemical machining |
| 11/19/1992 | EP0513228A1 Curved bore drilling apparatus |
| 11/12/1992 | WO1992019410A1 Process and machine for electrical discharge machining of cutting tips |
| 11/12/1992 | DE4115107A1 Verfahren und maschine zum elektroerosiven bearbeiten von schneidplatten Method and machine for electrical-discharge process of cutting inserts |
| 11/10/1992 | CA1310073C Laser/edm apparatus drilling precision holes |
| 11/04/1992 | EP0511557A1 Procedure and equipment for deburring of contact pins |
| 10/28/1992 | EP0199825B1 Method of manufacturing a self-drilling screw |
| 10/27/1992 | US5159167 Structure for and method of electrical discharge machining |
| 10/14/1992 | EP0508132A1 Piston slide valve |
| 10/07/1992 | EP0507553A2 Roll roundness measuring and machining apparatus and method |
| 10/06/1992 | US5152059 Manufacture of cooled aerofoil blades |
| 10/02/1992 | CA2063887A1 Roll roundness measuring and machining apparatus and method |
| 10/01/1992 | WO1992013667A3 Electrochemical machining |
| 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 |
| 09/02/1992 | EP0500555A1 Process for manufacturing tooth replacements by spark erosion and device for clamping, inserting and truing plaster models or copper electrodes for the spark-erosion manufacture of tooth replacements. |
| 08/26/1992 | EP0500191A1 Patterned plastic optical components |
| 08/20/1992 | WO1992013667A2 Electrochemical machining |
| 08/19/1992 | CN1017879B Electrodes for electrochemically machining airfoil blades |
| 08/11/1992 | US5138124 Apparatus for destroying hypodermic needles |
| 07/29/1992 | EP0353301B1 Device for making holes in work pieces by electro-erosion |
| 07/28/1992 | US5134428 Drive circuits for spark-discharge imaging apparatus |
| 07/23/1992 | WO1992012818A1 Apparatus for destroying hypodermic needles |
| 07/23/1992 | WO1992011968A1 Drive circuits for spark-discharge imaging apparatus |
| 07/23/1992 | CA2101171A1 Apparatus for destroying hypodermic needles |
| 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 | US5128802 Patterned plastic optical components |
| 06/24/1992 | EP0491052A1 Method of finishing gear by electrolytically machining and method of machining electrode used therein |
| 06/17/1992 | EP0490051A1 Improved electroerosion printing plates |
| 06/11/1992 | DE4038584A1 Electrochemical marking device - with tapered contact head with electrolyte feed channel passing over pattern on workpiece |
| 06/02/1992 | CA1302514C Electric discharge cutting machine for tubular unit wall |
| 05/27/1992 | CN1016763B Electrolysis combined with radical, tangential and diagonal shaving technology |
| 05/26/1992 | US5117081 Roll roundness measuring and machining apparatus and method |
| 05/26/1992 | CA1301857C Low force wire guide for edm machine |
| 05/26/1992 | CA1301856C Wire guide for electric discharge machine |
| 05/19/1992 | US5115112 Spark erosion machining device and method for correcting for the wear of a machining electrode |
| 05/06/1992 | EP0483867A2 Method of discharge processing of semiconductor |
| 05/01/1992 | WO1992007978A1 A method of producing etched plates for graphic printing and apparatus therefor |
| 04/28/1992 | US5108555 Electrode for electrical discharge machining and process for manufacturing the same |
| 04/14/1992 | US5104494 Method of restoring solderability |
| 04/07/1992 | US5102520 Electrodepositing of metal; no hydrogen evolution |
| 03/25/1992 | EP0476856A1 Method of forming electrode pattern |
| 03/24/1992 | US5098850 Process for producing substrate for selective crystal growth, selective crystal growth process and process for producing solar battery by use of them |
| 03/24/1992 | US5097637 Multi-disc cutter and method of manufacture |
| 03/17/1992 | US5096559 Cathode roller mechanism |
| 03/03/1992 | US5092039 Method of making fuel injectors for internal combustion engines |
| 02/25/1992 | US5091621 Method and apparatus for destroying a syringe needle |
| 02/25/1992 | US5091067 Method and an apparatus for machining optical components |
| 02/25/1992 | US5091052 Method for producing individualized labels |
| 02/25/1992 | US5090121 Apparatus and method for fabricating cirucit pattern on conductive surface of circuit board |
| 02/19/1992 | EP0471393A2 Electrolytic drilling |
| 02/18/1992 | US5089681 Electro-discharge machining apparatus |
| 02/18/1992 | CA1295968C Multi-axis ecm machine useful for machining airfoils of rotors |
| 02/17/1992 | CA2039105A1 Electrolytic drilling |
| 02/11/1992 | CA1295575C Ecm machine with workpart shroud and arbor assembly |
| 02/04/1992 | US5086201 Method and devices for the extraction of a closure plug from a steam generator tube |