Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5405532 | Process for the purification of industrial waste-waters | Richard Loew, Anton Wyss | 1995-04-11 |
| 5308492 | Process for the purification of industrial waste-waters by nanofiltration | Richard Loew, Anton Wyss | 1994-05-03 |
| 5039416 | Process for the purification of industrial waste-waters | Richard Loew, Anton Wyss | 1991-08-13 |
| 4749456 | Electrolytic recovery of copper from waste water | — | 1988-06-07 |
| 4695551 | Sampling apparatus for a biological reactor | Werner Renn | 1987-09-22 |