Issued Patents All Time
Showing 26–30 of 30 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5462036 | Ignition system for internal combustion engines | Karl-Heinz Kugler, Walter Gollin, Karlheinz Riedel | 1995-10-31 |
| 5446385 | Ignition system for internal combustion engines | Karl-Heinz Kugler, Walter Gollin | 1995-08-29 |
| 5334938 | Method of monitoring an internal combustion engine ignition system by measuring spark duration or voltage and distinction between isolated errors and recurrent errors | Karl-Heinz Kugler, Arnd-Matthias Langner, Karlheinz Riedel, Richard Schleupen | 1994-08-02 |
| 5027073 | High voltage ignition system monitoring circuit | Ernst Kaller, Karl-Heinz Kugler, Hans Koehnle | 1991-06-25 |
| 4918389 | Detecting misfiring in spark ignition engines | Richard Schleupen, Arnd-Matthias Langner | 1990-04-17 |