Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11613964 | Through tubing insert safety valve for fluid injection | Christopher William Hales | 2023-03-28 |
| 11053774 | Tubing or annulus pressure operated borehole barrier valve | Michael H. Johnson | 2021-07-06 |
| 10968711 | Shifting tool having puncture device, system, and method | Roland Marcel Van Dort, Ewan Sinclair | 2021-04-06 |
| 10731434 | Hanger assembly with penetrators | Ewan Sinclair | 2020-08-04 |
| 10704363 | Tubing or annulus pressure operated borehole barrier valve | Michael H. Johnson | 2020-07-07 |
| 10508512 | Insert safety valve system | Ewan Sinclair, Gergely Kecskes | 2019-12-17 |