Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6782865 | Method and apparatus for control of a variable displacement engine for fuel economy and performance | Gregory P. Matthews | 2004-08-31 |
| 6769403 | Spark retard control during cylinder transitions in a displacement on demand engine | Gregory P. Matthews | 2004-08-03 |
| 6752121 | Cylinder deactivation system timing control synchronization | Gregory D. Polen | 2004-06-22 |
| 6739314 | Displacement on demand with throttle preload security methodology | Paul A. Bauerle, Donovan L. Dibble, Kerfegar K. Katrak, Kevin J. Storch, Alfred E. Spitza, Jr. +1 more | 2004-05-25 |
| 6736108 | Fuel and spark compensation for reactivating cylinders in a variable displacement engine | William R. Aro, Gregory P. Matthews | 2004-05-18 |