Issued Patents 2021
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11015539 | Systems and methods for reducing exhaust valve degradation | Brien Lloyd Fulton, Frank M. Korpics, Aaron John Oakley, Kirk Andrew Parrish, Sanket Anil Gujarathi +3 more | 2021-05-25 |
| 10920695 | Methods and systems for regeneration of an exhaust aftertreatment device | John Paul Bogema, Kirk Andrew Parrish, Peter Mitchell Lyon, Sanket Anil Gujarathi, William Clifford Brown | 2021-02-16 |