Issued Patents All Time
Showing 1–14 of 14 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6392516 | Latching solenoid with improved pull force | James R. Ward, Derek Arvid Dahlgren | 2002-05-21 |
| 6305583 | Valve for viscous fluid applicator | James R. Ward | 2001-10-23 |
| 6199823 | Solenoid valve with an external sleeve armature | Derek Arvid Dahlgren, James R. Ward | 2001-03-13 |
| 5639066 | Bidirectional flow control valve | Daniel James Lambert, Derek Arvid Dahlgren | 1997-06-17 |
| 5553683 | Variable assist power steering system with electro-hydraulic working pressure and directional pressure control | Craig E. Wenzel, James R. Ward | 1996-09-10 |
| 5531422 | Double latching valve | James R. Ward | 1996-07-02 |
| 5518219 | Proportional pressure control pilot valve | Craig E. Wenzel | 1996-05-21 |
| 5516076 | Electromagnetic interface for a liquid control valve | Gerald L. Depies, Allen L. Filo, Daniel James Lambert | 1996-05-14 |
| 5377720 | Proportional pressure reducing and relieving valve | James R. Ward | 1995-01-03 |
| 5328147 | Two stage pressure control valve | — | 1994-07-12 |
| 5178359 | Porportional pressure control valve | Glen Trickle | 1993-01-12 |
| 5069420 | Proportional pressure control valve | Kishor J. Patel | 1991-12-03 |
| 5067687 | Proportional pressure control valve | Kishor J. Patel | 1991-11-26 |
| 5011113 | Fluid control valve | Kishor J. Patel, Frank M. Fritz, Dale A. Knutson, James P. Janecke | 1991-04-30 |