Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11731090 | Hyperboloid agitator for circulating liquids, and agitating and gassing device | Marcus Höfken, Thomas Hagspiel, Torsten Frey | 2023-08-22 |
| 11484848 | Apparatus for aerating bodies of water | Marcus Höfken, Thomas Hagspiel, Torsten Frey | 2022-11-01 |