Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6899576 | Twin-propeller drive for watercraft | Stefan Kaul | 2005-05-31 |
| 6485339 | Electric motor pod drive system for a vessel with a cooling device | Rainer Hartig, Wolfgang Rzadki, Stephan Brabeck, Manfred Heer, Peter Hein +2 more | 2002-11-26 |
| 5836795 | Watercraft drive with a rudder propeller | Stefan Kaul | 1998-11-17 |
| 5435762 | Drive unit for watercraft | — | 1995-07-25 |
| 4482000 | Variable-permeability pattern coating for lost foam casting | — | 1984-11-13 |