Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10988220 | Cover device and thruster | Holger Spardel, Frank Albrecht, Ulrich Albrecht, Kai Danneberg | 2021-04-27 |
| 10421522 | Cover device and thruster | Michael Zollenkopf, Frank Albrecht, Ulrich Albrecht, Kai Danneberg, Thomas Siebrecht +1 more | 2019-09-24 |
| 10220923 | Fin stabilizer, covering element and water vehicle | Kai Danneberg, Michael Zollenkopf, Frank Albrecht, Ulrich Albrecht, Thomas Siebrecht +1 more | 2019-03-05 |