Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6432287 | Exhaust gas temperature sensing on the outside surface of the oxygen sensor | Mark E. McMackin, Rama Madugula, Anthony R Mrosewske | 2002-08-13 |
| 6148804 | Duty cycling feature for the proportional purge solenoid to improve low flow resolution | William B. Blomquist, Sandra N. Thomson, Yi Cheng | 2000-11-21 |
| 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 |