Issued Patents 2011
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |