Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12404793 | Dual function catalyst preheating and EGR system | Jeff Brand, John D Frederick, Kenneth E Hardman | 2025-09-02 |
| 12188404 | Electric turbocharger emissions control | Kenneth E Hardman | 2025-01-07 |
| 10161323 | Boost-assisted purge flow techniques for evaporative emissions systems | Roger C Sager, James J. Daley, Joseph M Dekar, Jospeh B Unsworth, Luis Del Rio +2 more | 2018-12-25 |