Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11731090 | Hyperboloid agitator for circulating liquids, and agitating and gassing device | Marcus Höfken, Thomas Hagspiel, Walter Steidl | 2023-08-22 |
| 11484848 | Apparatus for aerating bodies of water | Marcus Höfken, Thomas Hagspiel, Walter Steidl | 2022-11-01 |
| 8459863 | Agitator device for circulating a liquid in a clearing basin | Marcus Hoefken, Thomas Hagspiel | 2013-06-11 |