Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9765666 | Dual path aftertreatment system and method utilizing fuel as an on-board reductant for NOx SCR | Michael A. Smith, Jeffrey P. Wuttke, Andrew Brocker, Travis T. Hamilton, Ken Hardman +1 more | 2017-09-19 |
| 9739761 | Particulate matter filter diagnostic techniques based on exhaust gas analysis | Michael A. Smith, Kiran Premchand, Homayoun Ahari, Jeffrey P. Wuttke, Brett Schubring +2 more | 2017-08-22 |
| 8245500 | Dual catalyst NOx reduction system for exhaust from lean burn internal combustion engines | Galen B. Fisher, Ken M. Rahmoeller, Mark C. Sellnau | 2012-08-21 |