Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9260322 | Sludge treatment system | Owen Patrick Ward, Ajay Pratap Singh | 2016-02-16 |
| 7736511 | Feedback system for enhancing elimination of biomass in sewage sludge | Andrew Jerry Lugowski, George Nakhla, Ajay Pratap Singh, Owen Patrick Ward | 2010-06-15 |
| 7059338 | Emergency shutoff valve | Thomas R. Kincaid, James S. Shivers | 2006-06-13 |
| 5845225 | Microcomputer controlled engine cleaning system | — | 1998-12-01 |
| 5381810 | Electronically controlled carbon-cleaning system for internal combustion engines | — | 1995-01-17 |