Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5631411 | Method and apparatus for engine monitoring | Klaus-Christoph Harms, Hans-Michael Koegeler, Herbert Schiffbaenker | 1997-05-20 |
| 5341674 | Method and arrangement for warming up internal combustion engines on a testing stand | — | 1994-08-30 |
| 5157965 | Method and apparatus for diagnosing internal combustion engines | Hans-Michael Koegeler | 1992-10-27 |
| 4483184 | Automatic diagnostic device for a four-stroke-internal combustion engine | — | 1984-11-20 |
| 4483185 | Apparatus for checking valve clearance of the inlet and exhaust of a piston engine | — | 1984-11-20 |
| 4480487 | Device for testing the tension of a driving belt during operation | — | 1984-11-06 |