Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6024793 | Method and device for separating a substance from a liquid mixture by fractional crystallization | — | 2000-02-15 |
| 5857405 | Apparatus and method for separating solid matter from a liquid | — | 1999-01-12 |
| 5700435 | Method and apparatus for separating a substance from a liquid mixture by fractional crystallization | — | 1997-12-23 |
| 5641360 | Process and device for improving the treatment of sewage solids | — | 1997-06-24 |
| 4228089 | Method and apparatus for fractional crystallization separation | Heinz Rhyner, Kurt Saxer | 1980-10-14 |