Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6186159 | Rupture disk controlled hydraulically actuated valve assembly | James O. Hinrichs | 2001-02-13 |
| 6131599 | Rupture disk controlled mechanically actuated pressure relief valve assembly | James O. Hinrichs | 2000-10-17 |
| 5122628 | Sudden pressure rise detector | Bruce McLelland, James M. Norman | 1992-06-16 |
| 5031701 | Suppressant discharge nozzle for explosion protection system | Bruce McLelland, Ian Swift | 1991-07-16 |
| 4949748 | Backflash interrupter | Srikrishna Chatrathi | 1990-08-21 |
| 4512491 | Dual range rupture disc assembly | Eddie R. Malcolm | 1985-04-23 |