Issued Patents 2003
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6601553 | MULTICYLINDER INTERNAL-COMBUSTION ENGINE WITH ELECTRONICALLY CONTROLLED HYDRAULIC DEVICE FOR CONTROLLING VARIABLE ACTUATION OF THE VALVES, INTEGRATED IN A PRE-ASSEMBLED UNIT MOUNTED ON THE ENGINE CYLINDER HEAD | Francesco Vattaneo, Lorentino Macor | 2003-08-05 |
| 6553950 | Internal-combustion engine with variable-operation valves and auxiliary hydraulic tappet | Stefano Chiappini, Francesco Vattaneo | 2003-04-29 |
| 6530350 | Internal-combustion engine with hydraulic system for variable operation of the valves and means for compensating variations in volume of the hydraulic fluid | Stefano Chiappini, Francesco Vattaneo | 2003-03-11 |
| 6520129 | Internal combustion engine with an hydraulic system for the variable driving of valves and a double-piston tappet | Stefano Chiappini, Francesco Vattaneo | 2003-02-18 |
| 6520130 | Internal-combustion engine with hydraulic system for variable operation of the valves and with means for bleeding the hydraulic system | Stefano Chiappini, Francesco Vattaneo | 2003-02-18 |