Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5447127 | Internal combustion engine with an overhead camshaft | Paul Kehl, Detlef Nonnenberg | 1995-09-05 |
| 4386473 | Recovery of sediments from the bottom of the sea | Hans Amann, Jurgen Burkhardt, Fritz O. Poeppel | 1983-06-07 |
| 4293265 | Hydraulically operated hoisting apparatus for a ship for picking floating objects up out of the sea | Fritz O. Poeppel | 1981-10-06 |