Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7401600 | Purge flow control to reduce air/fuel ratio imbalance | Jerry W. Kortge, William R. Cadman | 2008-07-22 |
| 6925855 | Fuel filling detection | Michael P. De Ronne, Marc J. Gonsiorowski, Chad W. Lehner | 2005-08-09 |
| 6880383 | Apparatus and method for fuel vapor leak detection | Kurt D. Mc Lain | 2005-04-19 |
| 6321727 | Leak detection for a vapor handling system | Sam R. Reddy, Gregory E. Rich, Timothy E. Mc Carthy | 2001-11-27 |
| 5408871 | Idle air control system diagnostic | Franz A. Lieder, Gary A. Nichols, Stephen D. Matteson, Myron H. Bell | 1995-04-25 |
| 5113651 | Air injection system diagnostic | Joseph M. Kotzan | 1992-05-19 |