Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10584650 | Method for determining the composition of the fuel used and operating an internal combustion engine | Tobias Braun, Gerhard Haft | 2020-03-10 |
| 10570831 | Method for determining the composition of the fuel used to operate an internal combustion engine | Tobias Braun, Gerhard Haft | 2020-02-25 |
| 8387445 | Method and apparatus for determining the ethanol proportion of the fuel in a motor vehicle | Gerhard Haft | 2013-03-05 |
| 4452186 | Valve control for internal combustion engines | Klaus Schellmann, Heinz Schulze | 1984-06-05 |