Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5662035 | Cleaning device of a screw press for filtering and dehydrating garbage | — | 1997-09-02 |
| 5526740 | Multi-screw press for dewatering waste materials | — | 1996-06-18 |
| 4976853 | Control valve means for use in a filtration apparatus for treating waste product | — | 1990-12-11 |
| 4921608 | Filtration apparatus having belts for treating waste product | — | 1990-05-01 |
| 4844799 | Filtration apparatus having spaced-apart driving members for changing a size of a treatment zone | — | 1989-07-04 |
| 4755291 | Filtration and washing apparatus with adjustable rotary filtration cylinder | — | 1988-07-05 |
| 4615801 | Rotary filtration means in the filth condensation-dehydration apparatus | — | 1986-10-07 |