Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8215574 | Pulper with a torque motor | Roland Carra, Stefano Bozano | 2012-07-10 |
| 7169263 | Coarse dirt collector for removing coarse material from a pulper and corresponding method | Roland Carra | 2007-01-30 |
| 6379505 | Pulper | Roland Carra | 2002-04-30 |
| 5377917 | Processing waste materials for anaerobic digestion of the biogenic-organic constituents | Ulrich Niefnecker, Ottokarl Muck, Hans Kubler, Roland Schnell, Roland Carra +1 more | 1995-01-03 |