Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10532940 | Aeration discs and methods for using same | George W. Smith, Mark Pamperin, Christopher K. Waul, Marc E. Roehl, Michael L. Doyle | 2020-01-14 |
| 8146127 | Apparatus and method for providing data for a carousel | Andrew Collins, Jonathan Morley, Allan Arthurs | 2012-03-27 |
| 7413654 | Wastewater treatment control | David W. Dubey | 2008-08-19 |
| 7264709 | Method and apparatus for conditioning a sensor for measuring oxidation reduction potential | David W. Dubey | 2007-09-04 |
| 7208090 | Wastewater treatment control | David W. Dubey | 2007-04-24 |
| 5766484 | Dissolved gas floatation device | Peter J. Petit, William H. Boyle | 1998-06-16 |
| 4772375 | Antifouling electrochemical gas sensor | Richard E. Wullschleger | 1988-09-20 |
| 4280913 | Water purification process | Paul R. Erickson | 1981-07-28 |