Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12071876 | Estimating deterioration trends of an exhaust catalyst | Joshua L. Ratts, Hrishi Lalit Shah | 2024-08-27 |
| 11933211 | Prognostic alert strategy for reductant pump in exhaust aftertreatment system for engine | Dereck G. Heffron, Jun Cai | 2024-03-19 |
| 11615660 | Identifying a failed turbocharger of a plurality of turbochargers | Dereck G. Heffron, Joseph Patrick Karasch | 2023-03-28 |
| 10713933 | Detection of failing emissions sensors | Dereck G. Heffron, Jun Cai | 2020-07-14 |