Issued Patents All Time
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5671952 | Service manifold and special elbow for tank blanketing and venting valves | — | 1997-09-30 |
| 5511581 | Vent valve | — | 1996-04-30 |
| 5474351 | Service manifold for tank blanketing and venting valves | — | 1995-12-12 |
| 5443090 | Modular pilot operated vent actuator | — | 1995-08-22 |
| 5094267 | Pressure balanced valve spindle | — | 1992-03-10 |
| 5072749 | Differential pressure regulator | — | 1991-12-17 |
| 5067522 | Pressure balance valve spindle | — | 1991-11-26 |
| 4991620 | Tank blanketing valve | — | 1991-02-12 |