Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10156176 | NOx sensor diagnostic for an exhaust aftertreatment system | Andrew W. Osburn, Christopher Ferguson, Tony J. Hall | 2018-12-18 |
| 9784166 | NOx sensor diagnostic for an exhaust aftertreatment system | Andrew W. Osburn, Christopher Ferguson, Tony J. Hall | 2017-10-10 |
| 7685814 | Systems, apparatuses, and methods of determining plugging or deplugging of a diesel oxidation catalyst device | Yuetao Zhang, Daniel D. Wilhelm | 2010-03-30 |
| 7506503 | Apparatus, system, and method for estimating ash accumulation | Patrick J. Shook, J. Steve Wills, Joan M. Wills | 2009-03-24 |