TF

Torsten Frey

IA Invent Umwelt-Und Verfahrenstechnik Ag: 3 patents #4 of 5Top 80%
Overall (All Time): #1,398,020 of 4,157,543Top 35%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
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