Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9506236 | Device and process for removing floating material from a liquid | Franz Spenger, Stefan Reber | 2016-11-29 |
| 8603336 | Method and device for transmitting heat between waste water located in a tank and a fluid | — | 2013-12-10 |
| 7344637 | Apparatus for removing fine material from a liquid | — | 2008-03-18 |
| 7160443 | Apparatus for removing material from a liquid flowing through a channel | — | 2007-01-09 |
| 6103110 | Screening apparatus for sewage | Thomas Schreiber | 2000-08-15 |
| 5464542 | Method and device for filtering and backwashing solid particles out of liquids | Johann Grienberger, Rudolf Bogner | 1995-11-07 |