Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5362403 | Filtration apparatus and method for discharging filter cake from a filtration apparatus | — | 1994-11-08 |
| 5126045 | Support plates with meandrical channels for diaphragm filtration | Robert Kohlheb | 1992-06-30 |
| 4637876 | Disc shaped filter element | — | 1987-01-20 |
| 4220536 | Apparatus for filtering liquids | — | 1980-09-02 |