Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10516175 | Fuel cell system, a fire fighting system, and an aircraft | Claus Hoffjann, Guido Klewer, Sijmen Zandstra | 2019-12-24 |
| 10173086 | Supply system and method for providing electric energy, oxygen depleted air and water as well and aircraft having such a supply system | Claus Hoffjann, Barnaby Law, Guido Klewer | 2019-01-08 |