Issued Patents All Time
Showing 26–34 of 34 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639016 | Pipeline repair kit | Neill D. Perrine, Richard M. Alexander | 1987-01-27 |
| 4638842 | Closed circuit refueling nozzle | Frank D. Hawley | 1987-01-27 |
| 4592387 | Power-assisted coupling | — | 1986-06-03 |
| 4570657 | Tank vent valve | — | 1986-02-18 |
| 4561465 | Axial flow pressure regulator | — | 1985-12-31 |
| 4549440 | Fluid sampling valve | Paul J. E. Fournier | 1985-10-29 |
| 4549575 | Breakaway fluid system | — | 1985-10-29 |
| 4540021 | Balanced valve coupling | — | 1985-09-10 |
| 4324407 | Pressure actuated metal-to-metal seal | Neil R. Upham | 1982-04-13 |