Issued Patents All Time
Showing 26–33 of 33 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| D435581 | Sanding parameter calculator | — | 2000-12-26 |
| 6110027 | Grinding body and a fastening device | — | 2000-08-29 |
| 5915311 | Process for the thermal treatment of waste material | Hans Ruegg | 1999-06-29 |
| 5878677 | Process for cooling and cleaning flue gases | Hans Ruegg | 1999-03-09 |
| 5797336 | Process for the combustion of waste material with production of thermal energy | Hans Ruegg | 1998-08-25 |
| 4658945 | Friction clutch release mechanism | — | 1987-04-21 |
| 4646898 | Clutch release mechanism | — | 1987-03-03 |
| 4607738 | Friction clutch cover assemblies | — | 1986-08-26 |