Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5918670 | Multi-sensor relief valve well test system | Jeffrey Charles Edwards | 1999-07-06 |
| 5860478 | Sub-sea test tree apparatus | Jeffrey Charles Edwards | 1999-01-19 |
| 5501242 | Pressure relief valve | Jeffrey Charles Edwards | 1996-03-26 |
| 5501272 | Multi-sensor relief valve well test system | Jeffrey Charles Edwards | 1996-03-26 |
| 5484022 | Tubing test valve | Jeffrey Charles Edwards | 1996-01-16 |