Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532940 | Aeration discs and methods for using same | George W. Smith, Mark Pamperin, Charles S. Applegate, Christopher K. Waul, Michael L. Doyle | 2020-01-14 |
| 9359238 | Hybrid aerobic and anaerobic wastewater and sludge treatment systems and methods | Wenjun Liu, Edward John Jordan | 2016-06-07 |
| 7993522 | Conditioning system for activated sludge wastewater treatment processes | Betty-Ann Curtis, Thomas Kutcher | 2011-08-09 |
| 7569147 | Screening of inert solids from a low-yield wastewater treatment process | Betty-Ann Curtis, Michael L. Doyle, Peter J. Petit | 2009-08-04 |