Issued Patents 2017
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9745836 | Time delayed secondary retention mechanism for safety joint in a wellbore | Reid Elliott Zevenbergen, Paul D. Ringgenberg | 2017-08-29 |
| 9719318 | High-temperature, high-pressure, fluid-tight seal using a series of annular rings | Mark Strumpell | 2017-08-01 |