Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4557233 | Control arrangement for an engine exhaust brake | Peter Joppig, Bernard Peitz | 1985-12-10 |
| 4413606 | Heating device for preheating combustion air for an internal combustion engine | Roland Klak, Gerhard Frankle | 1983-11-08 |
| 4231346 | Control arrangement for a supercharged diesel engine | Gerhard Frankle | 1980-11-04 |