Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9943784 | Filter backwash nozzle | Todd William Kirk, Douglas W. Lee | 2018-04-17 |
| 9890059 | Gas flotation tank | Todd William Kirk, Douglas W. Lee | 2018-02-13 |
| 9878268 | Phase separation tank | Todd William Kirk, Douglas W. Lee | 2018-01-30 |