Issued Patents All Time
Showing 1–25 of 40 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7533690 | Multi-functional regulator | Peter C. M. Chow | 2009-05-19 |
| 7481415 | Multi-force actuator valve with multiple operating modes | — | 2009-01-27 |
| 7005952 | Torque motor | — | 2006-02-28 |
| 6992552 | Torque motor | — | 2006-01-31 |
| 6973773 | Propellant supply device | — | 2005-12-13 |
| 6894593 | Torque motor | — | 2005-05-17 |
| 6141497 | Multilayer micro-gas rheostat with electrical-heater control of gas flow | Stephen D. Bruneau | 2000-10-31 |
| 6068010 | Microvalve and microthruster for satellites and methods of making and using the same | — | 2000-05-30 |
| 6026847 | Magnetostrictively actuated valve | Derek Tate Schappell, Richard Nassau Molesworth | 2000-02-22 |
| 5868375 | Magnetostrictively actuated valve | Derek Tate Schappell | 1999-02-09 |
| 5611516 | Rotary ball valve with retracting seat | Joseph M. Cardin, Arnold Dalene | 1997-03-18 |
| 5501425 | Magnetostrictively actuated valve | Derek Tate Schappell | 1996-03-26 |
| 5464041 | Magnetically latched multi-valve system | — | 1995-11-07 |
| 5450876 | Magnetically linked valve construction | — | 1995-09-19 |
| 5450871 | Method of making a magnetically linked multi-valve system | — | 1995-09-19 |
| 5404908 | Magnetically linked multi-valve system | — | 1995-04-11 |
| 5375811 | Magnetic-latching valve | — | 1994-12-27 |
| 5333833 | Rotary ball valve with lifting ball | — | 1994-08-02 |
| 5318064 | Motor-operated valve | — | 1994-06-07 |
| 5228645 | Rotary ball valve with lifting ball | — | 1993-07-20 |
| 5139047 | Miniature check valve construction | — | 1992-08-18 |
| 5111092 | Device for sensing reciprocated armature position | — | 1992-05-05 |
| 5083744 | Motor-operated valve | Kevin F. Oliver | 1992-01-28 |
| 5024418 | Fluid flow rate control device | Rafic Mohtar, Richard O. Nelson | 1991-06-18 |
| 4930746 | Fluid control device | Jefferson YS Yang | 1990-06-05 |