Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11512780 | Piston O-ring seal with reduced stiction | — | 2022-11-29 |
| 9273794 | Pneumatic valve actuator having integral status indication | — | 2016-03-01 |
| 6758239 | Metal diaphragm structure for pressure regulators | — | 2004-07-06 |
| 6758240 | Bias spring structure for pressure regulators | — | 2004-07-06 |
| 6547214 | Serpentine actuator disk | — | 2003-04-15 |
| 6098662 | Vacuum generator with incorporated check valve | — | 2000-08-08 |
| 6059259 | Pneumatic valve actuator utilizing force multiplication | John C. Kaufman, Peter Szyperski | 2000-05-09 |
| 5762103 | Tilting o-ring check valve | — | 1998-06-09 |
| 5553635 | Microvalve for fluid delivery system | — | 1996-09-10 |
| 5163475 | Gas delivery panels | — | 1992-11-17 |
| 4603707 | Purge block for gas systems | Bruce Alan Huling | 1986-08-05 |