Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8186378 | Filter band for an electrohydraulic valve | Robert Scott Nordstrom, Kirt Nathaniel Stephens | 2012-05-29 |
| 8127790 | Hydraulic valve with a filter and check valve band | Curtis L. Van Weelden | 2012-03-06 |
| 8006719 | Electrohydraulic valve having a solenoid actuator plunger with an armature and a bearing | Robert Scott Nordstrom, Kirt Nathaniel Stephens | 2011-08-30 |
| 7992839 | Electrohydraulic valve having a solenoid actuator plunger with an armature and a bushing | Robert Scott Nordstrom, Kirt Nathaniel Stephens | 2011-08-09 |
| 7055549 | Electrohydraulic valve assembly for controlling operation of engine cylinders | Curt L. VanWeelden, Michael Layne | 2006-06-06 |
| 6966338 | Electrohydraulic valve for controlling operation of an engine cylinder valve | Curt L. VanWeelden, Michael Layne | 2005-11-22 |
| 6701959 | High flow rate balanced poppet valve | Curt L. VanWeelden | 2004-03-09 |
| 6640834 | Electrohydraulic valve for controlling a cam shaft phasing mechanism of an internal combustion engine | Eric P. Hamkins | 2003-11-04 |