Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11377917 | Staged annular restriction for managed pressure drilling | Jerod Bushman, Shelby Wayne Carter, Henrix Soto | 2022-07-05 |
| 11225847 | Universal riser joint for managed pressure drilling and subsea mudlift drilling | Bastiaan Liezenberg, Harold Tenorio, Lap Tran | 2022-01-18 |
| 11072982 | Aligned disc choke for managed pressure drilling | Jerod Bushman, Gocha Chochua, Shelby Wayne Carter, Henrix Soto | 2021-07-27 |
| 7437255 | Method and system for calibrating triaxial acceleration sensors | Mark Allen Woodmansee, Lam Arthur Campbell, Elizabeth Anne Oakden, Robert Paul Stachow, David John Sevey | 2008-10-14 |