Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10040008 | Screw press separator | Otto Roiss | 2018-08-07 |
| 8376146 | Pressure filter with vibrator | — | 2013-02-19 |
| 7993521 | Plant and method for generating biogas from biologically degradable material containing liquid and solid components, in particular waste products, and a biogas generation container for use in the plant | Friedrich Weigand, Matthias Rabener | 2011-08-09 |
| 7980002 | Rotary drum for the aerobic heating of pourable solids | — | 2011-07-19 |
| 6036871 | Method and device for separating heavier from lighter parts of aqueous slurries by means of centrifugal force effects | — | 2000-03-14 |
| 5656630 | Method of combating fungus | Jurgen Curtze, Guido Albert | 1997-08-12 |
| 5118427 | Process and apparatus for the separation of solids from slimy liquids by means of press screw separators | — | 1992-06-02 |
| 5009795 | Process for the dewatering of solids suspended in water and screw press separator therefor | — | 1991-04-23 |