| Patents for B23F 19 - Finishing gear teeth by other tools than those used for manufacturing gear teeth (1,393) |
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| 09/11/1990 | US4955769 Gear coupling and hub |
| 09/11/1990 | US4955768 Fixture for making a gear |
| 09/11/1990 | US4955163 Method for production of involute gear tooth flanks |
| 08/21/1990 | US4950112 Machine for the precision working of the tooth flanks of toothed workpieces |
| 08/21/1990 | US4949513 Method for the precision machining of particularly hardened gears and a tool suited therefor |
| 08/16/1990 | EP0382029A1 Two-spindle synchronous drive unit and gear cutting machine employing the same |
| 08/14/1990 | US4947590 Method for the precision working of crowned tooth flanks on particularly hardened gears |
| 07/03/1990 | US4937947 Apparatus for adjusting shaft supports to a reference axis |
| 06/26/1990 | EP0304432A4 Machine and process for forming longitudinally curved tooth gears. |
| 06/06/1990 | CN1042678A Improvement of removing tool pausal mark for gear-shaving machine |
| 05/23/1990 | DE3930321C1 Finishing hardened gear tooth flanks - first removes burrs from one tooth flank, and subsequently from other flank under reversal of rotation direction |
| 05/22/1990 | US4926712 Worm wheel and method of hobbing same |
| 05/02/1990 | EP0366074A2 Apparatus for correcting surface imperfections on a surface of gear tooth |
| 05/02/1990 | EP0365547A1 Grinding machine for continuous rolling grinding of toothed wheel work. |
| 05/01/1990 | US4920703 Method and apparatus for finishing a tooth surface of a gear |
| 04/18/1990 | EP0255514B1 Automatic loader for machine tools |
| 04/11/1990 | EP0362388A1 Method of making an abrasive geared instrument and method of using it for finishing |
| 04/05/1990 | DE3832612A1 Tooth-edge cutting machine |
| 04/04/1990 | EP0360953A2 Machine for finishing the tooth flanks of toothed work pieces |
| 04/03/1990 | US4913523 Optical fiber connector |
| 03/27/1990 | US4910922 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 03/15/1990 | DE3831082A1 Apparatus for deburring workpieces |
| 02/07/1990 | EP0353451A2 Device for producing a gear |
| 01/31/1990 | EP0352335A1 Method of determining longitudinal and profile modifications to a tool tooth surface |
| 01/17/1990 | CN1038782A Electrolysis combined with radical, tangential and diagonal shaving technology |
| 01/03/1990 | EP0348525A1 Machine tool for making and trimming of instruments and finishing of gears |
| 12/13/1989 | EP0346146A2 Table traversing apparatus for gear finishing machines |
| 11/29/1989 | EP0344037A1 Machine for adjusting shafted gear wheels on tool equipment |
| 10/18/1989 | CN1005468B Electric spark grinding compound machining of bevel gears |
| 10/10/1989 | US4872791 Method of forming crowned gear teeth |
| 08/02/1989 | EP0325579A1 Worm wheel and method of hobbing same. |
| 07/25/1989 | US4850760 Method of finishing gears |
| 07/25/1989 | US4850155 Method for machining gearwheels |
| 06/29/1989 | WO1989005705A1 Method of determining longitudinal and profile modifications to a tool tooth surface |
| 06/29/1989 | WO1989005704A1 Method of making an abrasive geared instrument and method of using it for finishing |
| 06/29/1989 | WO1989005703A1 Machine tool for making and trimming of instruments and finishing of gears |
| 04/27/1989 | DE3833722A1 Method and apparatus for lapping gears |
| 04/27/1989 | DE3823560C1 Fine-machining method for crowned tooth flanks on, in particular hardened, gears |
| 04/19/1989 | EP0311786A2 Method and machine for discontinuous generating grinding with indexing |
| 04/19/1989 | EP0311778A2 Method for finishing crowned tooth flanks, in particular of hardened gears |
| 04/06/1989 | DE3730249A1 Method and device for lapping bevel gears |
| 03/28/1989 | US4815239 Apparatus for production of involute gear tooth flanks |
| 03/23/1989 | DE3827175A1 Verfahren und vorrichtung zur endbearbeitung der zahnoberflaeche eines zahnrades Method and device for the finishings zahnoberflaeche a gear |
| 03/14/1989 | US4811528 Method for production of envolute gear tooth flanks |
| 03/01/1989 | EP0304432A1 Machine and process for forming longitudinally curved tooth gears. |
| 01/24/1989 | US4799337 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 12/29/1988 | DE3819320A1 Grinding machine for the continuous generation grinding of gears |
| 12/15/1988 | WO1988009706A1 Grinding machine for continuous rolling grinding of toothed wheel work |
| 11/29/1988 | US4788476 Machine for lapping two curved-tooth bevel gears |
| 11/01/1988 | US4780990 Machine and process for forming longitudinally curved tooth gears |
| 10/11/1988 | US4776137 For the precision working of a tooth system |
| 08/17/1988 | EP0278533A2 Pairing of two coaxially arranged transmission elements each comprising gear-shift toothing |
| 08/17/1988 | EP0278512A1 Method for the machining of gears |
| 07/19/1988 | US4757644 Method and apparatus for manufacturing and machining gears |
| 06/08/1988 | CN87213001U Multi-grinding head gear chamfering machine |
| 06/07/1988 | US4748772 Apparatus for the precision working of the tooth system of bevel gears |
| 05/10/1988 | US4743147 Automatic loader for machine tools |
| 04/21/1988 | WO1988002829A1 Worm wheel and method of hobbing same |
| 04/20/1988 | EP0263947A1 Machine for lapping two bevel gears having teeth curved in their longitudinal direction |
| 02/23/1988 | US4726720 Method of milling teeth surfaces from the free end of a workpiece |
| 02/16/1988 | US4724599 Machine tool for simultaneously finishing a plurality of parallel surfaces |
| 02/10/1988 | EP0255514A1 Automatic loader for machine tools. |
| 01/05/1988 | US4717293 Method for chamfering the axially facing ends of toothed workpieces, a meshing engagement aid manufactured according to this method, and an apparatus for performing the method |
| 12/29/1987 | US4715752 Cutter head in a machine tool |
| 12/29/1987 | CA1230933A1 Method and apparatus for laser gear hardening |
| 12/17/1987 | WO1987007551A1 Machine and process for forming longitudinally curved tooth gears |
| 12/15/1987 | CA1230249A1 Method of finishing gears |
| 12/09/1987 | EP0248344A2 Method of finishing gear tooth surfaces |
| 10/27/1987 | US4702126 Axial gear train having syncline face cycloid gearing |
| 10/22/1987 | DE3612048A1 Method for producing toothed-rack steering systems with different transmission ratios |
| 10/06/1987 | US4697387 Device for grinding tooth profiles of a rotating toothed workpiece |
| 09/22/1987 | US4694617 Method for the precision working of the tooth system of bevel gears |
| 09/01/1987 | US4689918 Apparatus for manufacturing and working of gears |
| 07/29/1987 | EP0229894A2 Method for grinding the toothing of bevel gears having teeth curved in their longitudinal direction as well as tool and device for carrying out the method |
| 06/25/1987 | DE3642162A1 Device for generating face-crowned gearwheels on a gear roller grinding machine |
| 05/21/1987 | DE3635586A1 Template device for producing crowned gears |
| 05/05/1987 | US4662804 Automatic chamfering machine |
| 04/30/1987 | DE3636058A1 Gear-dressing machine |
| 04/02/1987 | DE3630484A1 Machine tool for the fine machining of hardened large gears |
| 03/18/1987 | EP0214411A2 Method of generating-grinding with indexing by a curved generating cut |
| 03/17/1987 | US4650378 Method for machining a gear by means of a rotating gear-type tool |
| 03/17/1987 | US4649671 Method for the precision working of the flanks of gears with a gear-shaped tool coated with hard-material granules and a method for dressing such a tool |
| 03/05/1987 | DE3619537C1 Device for deburring or crushing the end-side toothed edges of gear wheels |
| 03/05/1987 | DE3608458C1 Machine for deburring or chamfering the end tooth edges of gears |
| 02/25/1987 | EP0211127A2 Method for chamfering the edges of gear teeth |
| 02/10/1987 | US4641406 Method of forming a rack member |
| 01/13/1987 | US4635404 Apparatus for machining a spur gear by means of a rotating gearlike tool |
| 01/06/1987 | US4633619 Apparatus for the manufacture or machining of gears by rolling on a tool having abrasive working surfaces |
| 12/23/1986 | US4630404 For the precision working of a tooth system of a gearlike workpiece |
| 12/23/1986 | US4630402 Apparatus for the manufacture or machining of straight or helically toothed workpieces |
| 12/09/1986 | US4627770 Gear cutter |
| 11/20/1986 | EP0202055A2 Optical fibre connector |
| 10/07/1986 | CA1212237A1 Gear burnishing and honing machine |
| 09/17/1986 | CN85102374A Electric spark grinding compound machining of bevel gears |
| 09/16/1986 | US4611956 Method for fabricating bevel and hypoid gear pairs |
| 09/12/1986 | WO1986005132A1 Automatic loader for machine tools |
| 09/09/1986 | US4610576 Single-tooth cutter for sloping the faces of the teeth of gears |
| 09/03/1986 | EP0192817A1 Device for the teeth-finishing treatment of gear wheels |
| 08/19/1986 | US4606847 Process for the preparation of a dispersable product containing a cerium compound in association with a selected metal |
| 07/29/1986 | US4602458 Apparatus for the manufacture or working of gears |