Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6996975 | Multistage reductant injection strategy for slipless, high efficiency selective catalytic reduction | Subbaraya Radhamohan | 2006-02-14 |
| 5584178 | Exhaust gas combustor | David W. Naegeli | 1996-12-17 |
| 5222993 | Ignition system for water-cooled gas engines | — | 1993-06-29 |