Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5906774 | Submerged diffuser lifting arrangement | — | 1999-05-25 |
| 5811011 | Biological treatment of wastewater | Michael C. Ciszczon, Charles R. Morgan, Julio E. Moscoso, Anthony J. Nightingale | 1998-09-22 |
| 5639371 | Aeration reactor with flow control | Michael Jakob | 1997-06-17 |