Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6426004 | Continuous flow completely mixed waste water treatment method | William C. Hiatt, Edward G. Madzy, Walter Weisbrodt, Uwe Wegmann | 2002-07-30 |
| 5907094 | Nitrification activity test (NAT): procedure to monitor nitrifier biomass | Frederic A. Jagush | 1999-05-25 |
| 5849192 | Procedure to recover from nitrification upsets | Frederic A. Jagush | 1998-12-15 |