| Patents for B23F 17 - Special methods or machines for making gear teeth, not covered by groups (404) |
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| 11/03/1999 | EP0952900A1 Machine tool for chamfering the faces of the teeth of toothed wheels or the like |
| 09/02/1999 | DE19806608A1 Workpiece processing with grinding tool |
| 03/23/1999 | US5885199 Compact machining center for multifunction |
| 02/02/1999 | US5865055 Spline forming die |
| 01/12/1999 | US5857896 Method and device for the fine machining of spur or helical gear wheels |
| 09/15/1998 | US5806373 Gear and method for manufacturing same |
| 07/23/1998 | WO1998031495A1 Machine tool for chamfering the faces of the teeth of toothed wheels or the like |
| 07/23/1998 | DE19701267A1 Werkzeugmaschine zum Abdachen der Stirnseiten der Zähne von Zahnrädern oder dergleichen Machine tool for chamfering the end faces of the teeth of gears or the like |
| 06/16/1998 | US5765974 Method for machining tooth flanks of workpieces with a profiled shaped tool |
| 04/01/1998 | EP0832716A2 Numeric-control machine tool for turning and hobbing mechanical parts |
| 02/17/1998 | US5718544 Method for producing a two-part member having rack teeth |
| 12/03/1997 | EP0810048A1 A compact machine centre for multifunction |
| 09/25/1997 | WO1997034737A1 Method and apparatus for highly strengthening metal member |
| 06/12/1997 | DE19625520C1 Precision finishing process for spur wheel gear clamped on workpiece spindle |
| 06/03/1997 | US5634250 Hobbing accessory for vertical milling machine |
| 02/19/1997 | EP0758567A1 Method for working members divided into two each having rack teeth |
| 12/18/1996 | CN1137961A Electric spark staggered expansion machining method of fine-pitch involute gear |
| 12/10/1996 | CA2113702C Apparatus and method for machining a gear shape |
| 11/20/1996 | CN1135947A Method for repairing large gear wheels by position changing cutting and ring mounting to change teeth |
| 11/14/1996 | WO1996035543A1 Method of finishing the hardened teeth of a bevel gear wheel |
| 11/14/1996 | WO1996035542A1 Bevel gear pair |
| 11/07/1996 | DE19617831A1 Gear production method for differential in vehicle |
| 10/24/1996 | DE19517358C1 Verfahren zum Fertigbearbeiten der gehärteten Verzahnung eines Kegelrades A method of finishing the hardened teeth of a bevel gear |
| 10/09/1996 | CN1132675A Small integrated machining center |
| 10/08/1996 | US5562372 Method and a machine for manufacturing gears |
| 09/06/1996 | WO1996026803A1 Method for working members divided into two each having rack teeth |
| 08/15/1996 | WO1996024456A1 A compact machine centre for multifunction |
| 07/23/1996 | US5539172 Apparatus and method for machining a gear shape |
| 07/04/1996 | DE19517359C1 Bevel gear pair for motor vehicle transmissions |
| 06/19/1996 | EP0540722B1 Device and method for cold-forming grooves on the wall of a revolution part |
| 04/25/1996 | DE4427010C1 Machine for finishing teeth on bevel gears |
| 02/07/1996 | CN1116147A Tooth back tapper extruding working method for gear with discontinue tooth |
| 01/03/1996 | CN2216442Y Special machine for making gear teeth |
| 11/13/1995 | CA2126536A1 Method for machining a component |
| 09/07/1995 | DE4407389A1 Prodn. of bodies, e.g. gearwheels, with profiled circumferences |
| 07/19/1995 | EP0663256A1 A method and a machine for manufacturing crown or face gears |
| 06/29/1995 | DE4342648A1 System for flexible automated manufacture of hypoid wheel pairs |
| 04/06/1995 | DE4434804A1 Transmission gear arrangement which angularly deflects the flux of force, method for the production of such a transmission gear arrangement and tool for carrying out the said method |
| 03/21/1995 | US5398408 Method for manufacturing toothed gears for a reclining car seat adjustment |
| 03/02/1995 | DE4328801A1 Modular-construction machine tool |
| 02/22/1995 | CN1098974A Apparatus and method for machining a gear shape |
| 01/31/1995 | US5384950 Method for machining a component |
| 08/23/1994 | US5339669 Apparatus and process permitting the cold forming of grooves on the wall of a revolving part |
| 08/10/1994 | EP0609724A2 Apparatus and method for machining a gear shape |
| 05/25/1994 | CN2165948Y Special machine tool for processing flat secondary ring surface enveloping worm |
| 02/25/1994 | CA2088336A1 Cold-forming of toothed wheels from sheet steel |
| 02/16/1994 | CN1081945A Method for manufacturing toothed discs, in particular for the adjustment of reclining car seats |
| 11/03/1993 | CN2145085Y Roughing machine with curved-teeth, conical-teeth gear |
| 10/26/1993 | US5255475 Tool for grinding the teeth of bevel gears having longitudinally curved teeth |
| 10/06/1993 | CN2143154Y Accessory for toothed wheel machining by milling machine |
| 09/29/1993 | EP0562593A1 Method of making a toothed disc, in particular for adjusting a vehicle seat |
| 07/14/1993 | EP0550877A1 Method for generating undercuts in straight internal or external toothings of toothed workpieces |
| 04/29/1993 | WO1992020474A3 Device and method for cold-forming grooves on the wall of a revolution part |
| 11/26/1992 | WO1992020474A2 Device and method for cold-forming grooves on the wall of a revolution part |
| 08/04/1992 | US5135810 Method of machining and structure of machined pinion gear |
| 07/07/1992 | US5127246 Method of and apparatus for strengthening gear tooth |
| 04/15/1992 | CN2101544U Device for making cycloidal flank profile |
| 03/12/1992 | DE4027156A1 Adjustable support for hack-saw - enables hack-saw to be moved horizontally or vertically or rotated about vertical axis |
| 02/05/1992 | CN1015348B Improvement of removing tool pausal mark for gear-shaving machine |
| 10/24/1991 | DE4112122A1 Workpiece teeth flank grinding method - alters centre distance disc position tilt angle and rotary movement to vary shape |
| 02/12/1991 | US4991353 Grinding machine for grinding pregeared bevel gears |
| 11/06/1990 | US4968196 Pattern wheel cutting apparatus |
| 09/04/1990 | US4954027 Process for the discontinuous profile grinding or profile milling of gear wheels |
| 06/20/1990 | CN1043102A Trial and error procedure for gear change |
| 06/06/1990 | CN1042678A Improvement of removing tool pausal mark for gear-shaving machine |
| 05/15/1990 | CA1269079A1 Disks with blades |
| 03/27/1990 | US4910922 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 02/07/1990 | EP0353451A2 Device for producing a gear |
| 02/01/1990 | DE3826029A1 Bevel gear pair |
| 09/26/1989 | US4868969 Process for producing workpieces |
| 01/25/1989 | CN1030541A Generating apparatus of drum gear |
| 01/24/1989 | US4799337 Method of grinding the teeth of bevel gears having longitudinally curved teeth |
| 01/11/1989 | CN2030520U Special machine tool for making multitoothed inner-screw gears |
| 09/13/1988 | US4770574 Discs with blades |
| 08/23/1988 | US4765095 Method for grinding pregeared bevel gears |
| 06/14/1988 | US4750848 Involute gear cutter |
| 11/10/1987 | US4705615 Electrode arrangement for the electrochemical metal erosion process for producing a tooth system |
| 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 |
| 04/28/1987 | EP0151107A4 Method of generating involute tooth forms with a milling cutter. |
| 12/02/1986 | US4625467 Gear shaper having replaceable tip |
| 10/21/1986 | US4618297 Method and apparatus for machining racks for steering gear |
| 09/16/1986 | US4611956 Method for fabricating bevel and hypoid gear pairs |
| 09/03/1986 | EP0193181A2 Highly stable blade wheels for turbomolecular pumps |
| 09/02/1986 | CA1210615A1 Variable ratio rack pinion steering gear and method for cutting rack teeth therein |
| 01/21/1986 | US4565474 Method of generating involute tooth forms with a milling cutter |
| 09/24/1985 | US4543020 On a vertical boring mill |
| 08/14/1985 | EP0151107A1 Method of generating involute tooth forms with a milling cutter |
| 01/30/1985 | EP0132347A1 Method and apparatus for machining racks for steering gear |
| 10/25/1984 | WO1984004064A1 Method of generating involute tooth forms with a milling cutter |
| 08/28/1984 | CA1173279A1 Tool and method for crowning teeth |
| 01/24/1984 | US4426893 High production serrator |
| 11/15/1983 | US4414729 Tool and method for crowning teeth |
| 08/30/1983 | US4400916 Indexing generating method for grinding gears |
| 07/19/1983 | US4393625 Apparatus for grinding gears |
| 04/05/1983 | US4378660 Method of and means for grinding pairs of gear wheels as spiral or curved toothed bevel gear wheels |
| 01/04/1983 | US4367058 Bevolute gear system |
| 12/21/1982 | US4364204 Apparatus for machining a number of workpieces with one tool |
| 06/23/1981 | CA1103460A1 Method of and means for grinding pairs of gear wheels as spiral or curved toothed bevel gear wheels |
| 03/04/1981 | EP0024301A1 Process for manufacturing bevel and hypoid gear pairs |
| 01/07/1981 | EP0021329A1 Indexing generating method and apparatus for grinding gear teeth |