Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11131261 | Method and system for compensating engine blow-through air | Douglas Toms, Stephen William Magner, Kenneth John Behr, Zena Yanqing Yee | 2021-09-28 |
| 10041424 | Methods and system for catalyst reactivation | Marc G. Uphues, Allen Lehmen | 2018-08-07 |
| 9644559 | Systems and methods for improving engine emissions during starting | David R Pedro, Allen Lehmen, Marcus William Fried | 2017-05-09 |
| 9599052 | Methods and system for catalyst reactivation | Marc G. Uphues, Allen Lehmen | 2017-03-21 |