Issued Patents 2004
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782865 | Method and apparatus for control of a variable displacement engine for fuel economy and performance | Allen B. Rayl | 2004-08-31 |
| 6769403 | Spark retard control during cylinder transitions in a displacement on demand engine | Allen B. Rayl | 2004-08-03 |
| 6760656 | Airflow estimation for engines with displacement on demand | Charles H. Folkerts | 2004-07-06 |
| 6736108 | Fuel and spark compensation for reactivating cylinders in a variable displacement engine | Allen B. Rayl, William R. Aro | 2004-05-18 |