Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8443589 | Diesel oxidation catalyst efficiency diagnostic method | Chuan He, Richard B. Jess, John F. Van Gilder, Wenbo Wang | 2013-05-21 |
| 7546761 | Diesel oxidation catalyst (DOC) temperature sensor rationality diagnostic | Chuan He, Richard B. Jess, Guojun Shi, Jose Deleon, Kouji Sakumoto | 2009-06-16 |
| 6789517 | Method for managing thermal load on an engine | Edward R. Romblom, Jason T. Davis | 2004-09-14 |
| 6598589 | Engine control algorithm-cold start A/F modifier | Arthur R. Frelund | 2003-07-29 |
| 6286487 | Fuel control for a variable cam phase engine | Jason T. Davis, Steven J. Haase | 2001-09-11 |
| 5010918 | Reed valve having variable length petal | — | 1991-04-30 |