Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4930792 | Sealing arrangement for an engine timing housing cover | Otto Heilemann, Rolf Klingmann | 1990-06-05 |
| 4598671 | Ventilating system on an internal-combustion engine | Otto Heilemann, Gunter Bartsch | 1986-07-08 |
| 4523916 | Axially flexible drive disc | Wolfgang Kizler, Wolfgang Sieder, Hans-Joachim Schopf, Helmut Dobler | 1985-06-18 |