Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7191755 | Idle air control valve stepper motor initialization technique | — | 2007-03-20 |
| 7066152 | Low evaporative emission fuel system depressurization via solenoid valve | Kathleen Stroia, Stephen Kempfer, DeQuan Yu, Ross Dykstra Pursifull | 2006-06-27 |
| 6802283 | Engine cooling system with variable speed fan | Keith E. Liederman, Davide Fausto Piccirilli, Joseph V. Bejster | 2004-10-12 |
| 6668766 | Vehicle engine cooling system with variable speed water pump | Keith E. Liederman, Joseph V. Bejster, Davide Fausto Piccirilli | 2003-12-30 |
| 6539899 | Rotary valve for single-point coolant diversion in engine cooling system | Davide Fausto Piccirilli, Leonhard Bartsch, Keith E. Liederman, Joseph V. Bejster, Nicholas Harmer +3 more | 2003-04-01 |
| 6167340 | Method and system for filtering a speed signal in controlling a speed of a vehicle | Xainzhong John Cui | 2000-12-26 |
| 5977738 | Method and system for contolling the position of a servo motor in vehicle speed control systems for various operation conditions | Xainzhong John Cui | 1999-11-02 |