Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7829033 | Selective catalytic reduction of NOx enabled by sidestream urea decomposition | William H. Sun, Piers de Havilland, Paul G. Carmignani, John M. Boyle | 2010-11-09 |
| 7090810 | Selective catalytic reduction of nox enabled by sidestream urea decomposition | William H. Sun, Piers de Havilland, Paul G. Carmignani, John M. Boyle | 2006-08-15 |