Issued Patents All Time
Showing 26–29 of 29 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8202061 | Control system and method for pump output pressure control | David R. Shulver, Matthew Williamson | 2012-06-19 |
| 8057201 | Variable displacement vane pump with dual control chambers | David R. Shulver | 2011-11-15 |
| 8047822 | Continuously variable displacement vane pump and system | David R. Shulver | 2011-11-01 |
| 7866287 | Pump system and decoupler for supplying pressurized hydraulic fluid to a hydraulically actuated valvetrain | David R. Shulver, Matthew Williamson | 2011-01-11 |