Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5645984 | Process for depleting viruses in solutions and determining their depletion rate | — | 1997-07-08 |
| 5403488 | Process for the regulation of an activated sludge clarification plan | Andreas Volsch | 1995-04-04 |
| 5173187 | Method for control and monitoring of activated sludge in a biological clarification system | Carl Thomas Nebe, Gerhard Nebe, Christian Birr | 1992-12-22 |