| Patents for B23F 15 - Methods or machines for making gear wheels of special kinds, not covered by groups (448) |
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| 05/12/1987 | US4664569 Gear cutting method and machine for cutting spiral bevel gears and contrate gear face clutches |
| 03/05/1987 | DE3618435A1 Method for producing toothings provided on two elements, and mechanism produced according to the method |
| 02/17/1987 | US4643654 Screw rotor profile and method for generating |
| 02/10/1987 | US4641406 Method of forming a rack member |
| 12/16/1986 | US4629370 Sprocket cutter and method of assembling |
| 11/25/1986 | CA1214321A1 Sprocket cutter and method of assembling |
| 10/21/1986 | US4618297 Method and apparatus for machining racks for steering gear |
| 10/07/1986 | US4615091 Method of and apparatus for processing a scroll member for a scroll type compressor |
| 06/11/1986 | EP0184007A1 Gear-manufacturing machine for cutting spiral bevel gears and face gear couplings according to the continuous-cutting process |
| 03/04/1986 | US4573372 Rack-pinion steering gear and method for cutting rack teeth |
| 09/03/1985 | CA1192732A1 Indexing work table |
| 06/04/1985 | US4521141 Method for cutting rack teeth |
| 01/30/1985 | EP0132347A1 Method and apparatus for machining racks for steering gear |
| 08/28/1984 | CA1173329A1 Rack-pinion steering gear and method for cutting rack teeth |
| 08/07/1984 | US4463488 Indexing work table |
| 03/13/1984 | US4436465 Scroll manufacturing tool |
| 02/28/1984 | US4433564 Scroll manufacturing tool |
| 12/06/1983 | CA1158077A1 Method and apparatus for making rotary die racks |
| 09/21/1983 | EP0088987A1 A sprocket cutter and method of assembling |
| 05/04/1983 | EP0078111A2 A speed reduction device employing a face gear train and a method for making same |
| 01/04/1983 | US4367058 Bevolute gear system |
| 12/21/1982 | US4364204 Apparatus for machining a number of workpieces with one tool |
| 12/08/1982 | EP0066426A2 Scroll manufacturing tool |
| 11/24/1982 | EP0065426A2 Scroll manufacturing tool |
| 08/03/1982 | US4342548 Screw having a V-shaped groove profile for cooperating with a pinion in a compression or expansion machine |
| 08/11/1981 | US4282782 Method of making rotary die racks |
| 03/03/1981 | CA1096595A1 Method and apparatus for manufacturing parts for rotary fluid machines |
| 01/14/1981 | EP0022337A1 Method for making rotary die racks |
| 12/23/1980 | CA1091942A1 Crowned involute splines and method of making |
| 12/16/1980 | US4238970 Bevolute gear system |
| 09/16/1980 | US4222691 Method for machining the screw of a compression or expansion machine and a device for the application of said method |
| 08/12/1980 | CA1083342A1 Machine for tracing or generating the profile of an orbiting star gear |
| 03/18/1980 | US4193722 Machine for manufacturing variable ratio racks |
| 10/09/1979 | US4170164 Profile cutter |
| 10/02/1979 | US4169691 Machine for tracing the profile of an orbiting star gear |
| 08/28/1979 | CA1061095A1 Profile cutter |
| 01/02/1979 | US4132090 Crowned involute splines and method of making |
| 10/31/1978 | US4122609 Machine for tracing the profile of an orbiting star gear |
| 08/29/1978 | US4109362 Method of making screw rotor machine rotors |
| 08/15/1978 | US4106361 Gear pump, gear and method |
| 07/25/1978 | US4102583 Profile cutter |
| 11/29/1977 | US4060007 Clutch teeth |
| 11/22/1977 | US4058938 Method and apparatus for grinding the tooth flanks of internally-toothed gear wheels |
| 10/11/1977 | US4052928 Cam-type gearing and the like |
| 07/12/1977 | US4034645 Method for manufacturing a gear-wheel for a rotary displacement machine |
| 06/07/1977 | US4028026 Screw compressor with involute profiled teeth |
| 09/07/1976 | US3978766 Apparatus and method for machining continuous mixer agitators and the like |
| 01/13/1976 | US3932077 Rotary interengaging worm and worm wheel with specific tooth shape |