Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5227073 | Method of dewatering suspensions or the like slurry-like mixtures | Otto Klein | 1993-07-13 |
| 4879034 | Dewatering device with two filtering belts | — | 1989-11-07 |
| 4402834 | Method for dewatering sludge-type material | Helmut Schreiber, Eugen Grumbel | 1983-09-06 |
| 4276822 | Apparatus for the batch filtering of suspensions | — | 1981-07-07 |
| 4276168 | Device for dewatering sludge | — | 1981-06-30 |
| 4211162 | Process for the batch filtering of suspensions | — | 1980-07-08 |
| 4192743 | Process of dewatering sludge-type material and installation for carrying out the process | Helmut Schreiber, Eugen Grumbel | 1980-03-11 |