Issued Patents All Time
Showing 1–12 of 12 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806086 | Extruder head with a rotary die and process for lubricating this head | Robert Aste | 1989-02-21 |
| 4761129 | Device for changing color during the extrusion of a sheath around a conductor | Robert Aste | 1988-08-02 |
| 4720220 | Tool for machining tooth flanks and method of finishing tooth flanks | Rudolf Fischer, Roman Schwaighofer | 1988-01-19 |
| 4645626 | Process for the production of quinizarine derivatives which are disubstituted in the 5- and 8-positions by hydroxyl or chlorine | Jean-Marie Adam | 1987-02-24 |
| 4606153 | Method for controlling a grinding stroke in a gear tooth flank grinding machine operating on the indexing generating principle | Robert Wydler | 1986-08-19 |
| 4555871 | Method and apparatus for eliminating undulation errors on gear-tooth flanks in production gear-fabricating machines | Otto Schneider, Meinrad Donner | 1985-12-03 |
| 4551954 | Method for controlling a grinding stroke in a gear tooth flank grinding machine | Robert Wydler | 1985-11-12 |
| 4545151 | Gear grinding machine including a double-cone shaped grinding wheel | Meinrad Donner, Roman Schwaighofer | 1985-10-08 |
| 4501592 | Anthraquinone dyes, process for their preparation, and use thereof | Jean-Marie Adam | 1985-02-26 |
| 4467568 | Generating method for the chip-producing machining of involute tooth flanks with profile and longitudinal corrections | Robert Wydler, Erwin J. Gunter | 1984-08-28 |
| 4400916 | Indexing generating method for grinding gears | Hansjorg Bickel | 1983-08-30 |
| 4393625 | Apparatus for grinding gears | Hansjorg Bickel | 1983-07-19 |