| 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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| 03/05/1996 | US5496983 Laser guided discharge machining apparatus and method |
| 02/29/1996 | WO1996005938A1 Method for realizing sealing surfaces |
| 02/27/1996 | US5495087 Grooving blade for textile core |
| 02/22/1996 | DE4429299A1 Verfahren zur Herstellung von Dichtflächen A process for the production of sealing surfaces |
| 02/15/1996 | DE4428207A1 Mfg. turbine rotor disc with curved cooling air channels |
| 02/08/1996 | WO1996003714A1 Procedure for identification of objects based on forming and verifying their surface roughness as well as objects suitable to be identified |
| 02/06/1996 | US5489756 Slot fabrication by electrical discharge machining |
| 01/25/1996 | WO1996001716A1 Sample and defect removing apparatus and method |
| 01/16/1996 | US5484513 Process and apparatus for producing a rough generated surface on a cylindrical body of rotation |
| 01/03/1996 | EP0689894A1 Method and apparatus for brazing a porous metallic body on a metallic piece, and manufactured filter |
| 01/02/1996 | US5480497 High speed electrical discharge surface preparation internal surfaces for thermal coatings |
| 12/20/1995 | EP0687518A1 Method and device for electroerosion machining |
| 11/23/1995 | DE4421246C1 Device for countersunk erosion in electrical components |
| 10/24/1995 | US5461211 Groove forming method by discharge machining |
| 09/20/1995 | EP0671988A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate. |
| 09/20/1995 | EP0524284B1 Electrochemical machining |
| 09/20/1995 | EP0452501B1 Electro-abrasive Polishing Process of the Inner Surface of Pipes to Extra-smooth Mirror Finish |
| 09/14/1995 | DE4408373A1 Christmas cake baking mould |
| 08/31/1995 | WO1995023362A1 Method for forming shaped passages |
| 07/18/1995 | US5434380 Surface layer forming apparatus using electric discharge machining |
| 07/04/1995 | US5429984 Method of discharge processing of semiconductor |
| 06/29/1995 | WO1995017277A1 Device for producing shaped holes in articles such as gas turbine engine components |
| 06/21/1995 | EP0658220A1 A method of producing etched plates for graphic printing and apparatus therefor |
| 06/21/1995 | CN1103899A Method and apparatus for surface treatment by electrical discharge machining |
| 06/14/1995 | DE4342314A1 Specimen structuring process |
| 06/08/1995 | DE4423274C1 Impressing tool for marking components with data |
| 05/23/1995 | US5418345 Method for forming shaped passages |
| 05/16/1995 | US5416289 Method of and apparatus for increasing the productivity of an electroerosion drill |
| 05/09/1995 | US5414233 Method of electrical discharge machining for manufacture of Belleville springs |
| 04/25/1995 | US5408883 Remotely operated diagnostic tube sampling device and method of sampling |
| 04/20/1995 | DE4436663A1 Method and apparatus for surface treatment by means of machining by electrical discharge |
| 04/19/1995 | EP0648186A1 Textile core having improved start-up groove and grooving blade thereof |
| 04/11/1995 | US5406043 Method for manufacturing master of die for shaping golf ball |
| 04/04/1995 | US5402692 Method of forming a curve on a cutting edge |
| 03/28/1995 | US5401932 Method of producing a stencil mask |
| 03/22/1995 | EP0644010A1 Workpiece clamping device and use thereof for electrochemical machining of turbine blades |
| 03/08/1995 | EP0641625A1 Techniques for polishing optical fiber ends |
| 02/21/1995 | US5391850 Apparatus and method for fast hole drilling by electrical discharge machining |
| 01/25/1995 | EP0538434B1 Process and machine for electrical discharge machining of cutting tips |
| 01/18/1995 | EP0634243A1 Electrode tube for electrical discharge machining and manufacturing method thereof |
| 01/04/1995 | EP0631837A1 Embossing roll manufacture |
| 01/03/1995 | CA1333787C Electrodes for electrochemically machining airfoil blades |
| 01/03/1995 | CA1333783C Method and apparatus for electrochemically machining airfoil blades |
| 12/22/1994 | WO1994029061A1 System and method for electrolytic deburring |
| 12/13/1994 | US5373449 Method of producing a multi-apertured workpiece |
| 12/07/1994 | EP0627303A1 Rotary forming apparatus for carton blank and method of manufacturing same |
| 12/07/1994 | EP0597063A4 Method and apparatus for electrically destroying a syringe needle. |
| 12/01/1994 | DE4324271A1 Method of producing gear tooth systems |
| 11/22/1994 | US5366613 Bringing minute forward end of counterelectrode close to surface; applying predetermined voltage; etching |
| 11/01/1994 | US5361285 EDM crack removal tooling |
| 11/01/1994 | US5360957 Controlled apparatus for electrical discharge machining |
| 10/26/1994 | EP0427876B1 Electric spark machining electrode and method of production thereof |
| 09/28/1994 | EP0616868A1 Groove forming method by discharge machining |
| 09/08/1994 | DE4307159A1 Injection-hole disc for a valve and method for its manufacture |
| 09/06/1994 | US5345323 Techniques for polishing optical fiber ends |
| 09/06/1994 | US5345053 Method and apparatus for supplying power for electric discharge machining |
| 09/06/1994 | US5345052 Tool making |
| 08/11/1994 | DE4402687A1 Method and appliance for generating a rough lateral surface on a cylindrical body of rotation, especially of a roll for metal strips |
| 08/10/1994 | EP0609743A1 Process for cutting the separating surfaces in the construction of turbines |
| 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 |
| 07/26/1994 | US5331832 Sleeve sizing processes |
| 07/19/1994 | US5329841 Piston-slide-valve |
| 07/12/1994 | US5328121 Textile core having improved start-up groove |
| 07/05/1994 | US5326954 Process and machine for the electric discharge machining of cutter plates |
| 06/29/1994 | EP0441887B1 Method of processing orifices |
| 06/28/1994 | US5324907 EDM apparatus with a cam arm for moving an electrode |
| 06/22/1994 | CN1088142A Generating electrospark precision machining equipment |
| 06/21/1994 | US5322613 Method and apparatus for marking orthodontic products |
| 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 |
| 06/14/1994 | US5320505 Electrochemical machining of scroll wraps |
| 06/09/1994 | WO1994012307A1 Method of manufacturing a filter plate for the foot of a nuclear-fuel element, and a fuel element fitted with such a filter plate |
| 05/31/1994 | US5317607 EDM crack removal tooling |
| 05/24/1994 | US5314598 Electrochemical broaching apparatus |
| 05/24/1994 | CA1329714C Patterned plastic optical components |
| 05/18/1994 | EP0597063A1 Method and apparatus for electrically destroying a syringe needle |
| 05/17/1994 | US5313038 EDM drilling of low angle holes |
| 05/10/1994 | US5310468 ECM slave assembly |
| 05/10/1994 | US5309639 Method of making a machine component with lubricated wear surface |
| 04/26/1994 | US5306402 Method for controlling the machining current in electrochemical machining |
| 04/26/1994 | US5306401 Vertical drilling in acid electrolyte |
| 04/12/1994 | CA1328424C Mass production process for copperplate printing elements made of steel, and apparatus for implementing said process |
| 04/06/1994 | CN2160491Y Electrolyzer for repairing internal holes of piped metallic parts |
| 03/15/1994 | US5294309 Electro-abrasive polishing of the inner surface of pipes to extra-smooth mirror finish |
| 03/09/1994 | EP0585667A1 Electric current control method used for electrochemical machining |
| 03/08/1994 | US5292072 Fuel injectors and methods for making fuel injectors |
| 03/01/1994 | US5290988 Method for machining a precision conformed hold-down pressure shoe |
| 03/01/1994 | CA1327337C Apparatus and method for electrochemically smoothing or finishing a surface of a conductive metal part |
| 01/25/1994 | US5281788 Electroerosion boring apparatus |
| 01/12/1994 | EP0500555B1 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 |
| 12/29/1993 | CN1079926A Method and apparatus for the electric discharge machining of cutting tips |
| 12/16/1993 | DE4318164A1 Remote control steam pipe inspection prove and sampling head - using optical, ultrasonic and eddy current detectors and wall sample removal. |
| 12/15/1993 | EP0573900A1 Method for manufacturing master of die for shaping golf ball |
| 12/14/1993 | US5270513 Process for manufacturing extrusion dies and dies thus obtained |
| 12/14/1993 | US5269057 Method of making replacement airfoil components |
| 12/09/1993 | WO1993024403A1 Textile core having improved start-up groove and grooving blade thereof |
| 12/09/1993 | WO1993024266A1 Method and apparatus for electrically destroying a syringe needle |
| 12/07/1993 | US5268550 Method and device for removing a specimen from within the vessel of a nuclear reactor being decommissioned |