Issued Patents 2021
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11098587 | Rotary piston engine and method for operating a rotary piston engine | — | 2021-08-24 |
| 11098660 | Drive system and method for operating a drive system | — | 2021-08-24 |
| 11015520 | Ship drive system and retrofitting method for a ship drive system | — | 2021-05-25 |
| 11007533 | Material-bed roller mill | Ralf Frankenberger, Karl-Heinz Schütte, Hardy Lessmeister, Lukas Schmitt | 2021-05-18 |