Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130693 | Combination biological contactor and self-backwashing filter systems | Thomas Martin Dumbaugh, Rand S Faaborg, Darrell Wayne Christianson, Brian Lee Primrose, Rene Ann Carson | 2021-09-28 |
| 8101072 | Phosphorous removal system | Joseph E. Zuback | 2012-01-24 |
| 8017018 | Phosphorus removal method | Joseph E. Zuback | 2011-09-13 |
| 7670486 | Phosphorus removal system and process | Joseph E. Zuback | 2010-03-02 |