Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11130693 | Combination biological contactor and self-backwashing filter systems | Thomas Martin Dumbaugh, Eric Allen Lawrence, Rand S Faaborg, Brian Lee Primrose, Rene Ann Carson | 2021-09-28 |
| 10941050 | Modular underdrain systems | Rand S Faaborg, Clifford Dale Barber, Brian Leo Brink, Scott Allen Pallwitz, Chad Carpenter | 2021-03-09 |
| 10913667 | Multi-media clarification systems and methods | Darin St. Germain, Jonathan Bay Farrell, Brian Lee Primrose | 2021-02-09 |