Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6101958 | Method of and apparatus for thermal degradation of waste | Ralf Beckmann, Arvid Christmann, Joachim Dohmann, Rolf Kummel, Frank Niermann +2 more | 2000-08-15 |
| 5983811 | Method and roller grill for burning refuse | Jurgen Scheffler, Peter Grell, Othmar Frielingsdorf, Colin Peter Robson | 1999-11-16 |
| 5967064 | Roller grate | Jurgen Scheffler, Peter Grell, Othmar Frielingsdorf, Colin Peter Robson | 1999-10-19 |