Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11174698 | Rotating control device element reinforcement petals | — | 2021-11-16 |
| 10240426 | Pressurizing rotating control devices | Christopher Allen Grace, Raymond Ronald Bullock | 2019-03-26 |
| 9957774 | Pressure staging for wellhead stack assembly | Owen Ransom Clark | 2018-05-01 |
| 9957760 | Frictional support of seal bore protector | Travis David Watters, Owen Ransom Clark, Anton Kelley Arnt | 2018-05-01 |
| 8739863 | Remote operation of a rotating control device bearing clamp | Leonard C. Linde, Fredrick D. Curtis, Derrick W. Lewis, Mike Harvey, Neal G. Skinner +2 more | 2014-06-03 |
| 6328118 | Apparatus and methods of separation of materials in an under-balanced drilling operation | Wesley J. Burris, II | 2001-12-11 |
| 6234258 | Methods of separation of materials in an under-balanced drilling operation | — | 2001-05-22 |