Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11033835 | Liquid quality system with drag-inducing portions | Erik K. HARTWELL, Bo Liu | 2021-06-15 |
| 10982424 | Liquid quality system with drag inducing portions | Joseph Andrew Babcanec, Ronald R. Vitarelli, Corey M. Francis, Owen Michael Atchison, Bill Russell Vanhoose +3 more | 2021-04-20 |
| 10882759 | Systems and methods for stormwater management | Bo Liu, Thomas E. Pank, Ronald R. Vitarelli, Erik K. HARTWELL | 2021-01-05 |