Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6454104 | Clarifier with influent well scum removal | Elena Bailey | 2002-09-24 |
| 6274044 | Clarifier with influent well scum removal | Elena Bailey | 2001-08-14 |
| 6068134 | Clarifier with influent well scum removal | — | 2000-05-30 |
| 5264126 | Clarifier drive for waste water treatment system | — | 1993-11-23 |