Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6851416 | Engine operation on an unknown ethanol fuel blend | Justin E. DeWitte, Zhong Li, Howard W. Krausman | 2005-02-08 |
| 6714856 | Ethanol content rationality for a flexible fueled vehicle | Shean Huff | 2004-03-30 |
| 6389874 | Fuel composition sensor rationality test | Shean Huff, Jerry Kennie, Richard K. Moote | 2002-05-21 |
| 6298838 | Ethanol content learning based on engine roughness | Shean Huff | 2001-10-09 |
| 5950599 | Method of determining the composition of fuel in a flexible fueled vehicle without an O.sub.2 sensor | William D. Rotramel, Yi Cheng, Mark E. Hope, Shean Huff, Mary Joyce +4 more | 1999-09-14 |
| 5602331 | Engine misfire detection with cascade filter configuration | — | 1997-02-11 |