Issued Patents 2004
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6832583 | Direct acting differential two-step valve train | — | 2004-12-21 |
| 6769387 | Compact two-step rocker arm assembly | Eric C. Douse | 2004-08-03 |
| 6763797 | Engine oil system with variable displacement pump | David R. Staley, Rolland D. Giampa | 2004-07-20 |
| 6735863 | Method of engine cylinder bore enlargement | — | 2004-05-18 |
| 6732506 | Cylinder deactivation system and NOx trap regeneration | Gary J. Patterson | 2004-05-11 |