Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12377971 | Drive unit with gear mechanism and electric drive for a main rotor of a rotary wing craft | Detlev Matthias Even, Johann Werner Hettenkofer, Andreas Dummel | 2025-08-05 |
| 12157561 | Rotorcraft having an electric drive for driving a main and/or tail rotor of the rotorcraft | Johannes Hettenkofer, Andreas Dummel, Detlev Matthias Even | 2024-12-03 |
| D928071 | Helicopter | — | 2021-08-17 |