Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9708877 | Blowout preventer monitoring system and method of using same | Eric Trevor Ensley, Christopher Dale Johnson | 2017-07-18 |
| 9580987 | Spherical blowout preventer with energizeable packer seal and method of using same | Eric Trevor Ensley, Christopher Dale Johnson | 2017-02-28 |
| 9441443 | Compound blowout preventer seal and method of using same | Kyle Brett Cantlon | 2016-09-13 |
| 9428994 | Blowout preventer monitor with trigger sensor and method of using same | James Ray Landrith, II, Roger D. Brown, Jonathan Lewis Buelow, Eric Trevor Ensley, Christopher Dale Johnson | 2016-08-30 |
| 8978698 | Blowout preventer monitoring system and method of using same | Eric Trevor Ensley, Christopher Dale Johnson | 2015-03-17 |