Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4993517 | Oil-fill opening for introducing lubricating oil into an internal combustion engine | Karl-Heinz Messner | 1991-02-19 |
| 4565176 | Device for controlling the intake air temperature of a mixture-compressing internal combustion engine | Herbert Alf, Rolf Fusser, Helmut Spannbauer | 1986-01-21 |
| 4249500 | Flapper linkage in air intake control system of internal combustion engine | Bernhard Behrendt, Gerhard Brenner, Heinz Fischer | 1981-02-10 |
| 4231343 | Device for controlling the intake air temperature of a carburetor-equipped internal combustion engine | Herbert Alf, Volker Ernst, Rudi Hainle | 1980-11-04 |