Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5233142 | Snap action electrical switching mechanism with dual set points | — | 1993-08-03 |
| 5092610 | High pressure piston seal | Arthur E. Vasquez | 1992-03-03 |
| 5006678 | Pressure switch with deadband adjustment | — | 1991-04-09 |
| 4887631 | Fire isolation device | Alden E. Friend | 1989-12-19 |
| 4225760 | Pressure actuated unit with high temperature protection | Donald L. Griffith | 1980-09-30 |