Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5904601 | Propulsion unit | Martti Palokangas, Rurik Nyman | 1999-05-18 |
| 5403216 | Ship propulsion arrangement | Pekka Salmi, Erkki Ranki, Ulf Rosovist | 1995-04-04 |
| 4795273 | Propeller shaft bearing arrangement | Torbjörn Henriksson, Heikki Johannes Sipilä, Markus Hjerppe | 1989-01-03 |
| 4733976 | Propeller shaft bearing arrangement | Torbjörn Henriksson, Heikki Johannes Sipilä, Markus Hjerppe, Esa Rane | 1988-03-29 |