Issued Patents 2021
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 11193338 | Pressure control device for use with a subterranean well | James W. Chambers | 2021-12-07 | $14,196,000 |
| 11193340 | Heave compensation system for assembling a drill string | Ram K. Bansal, Don M. Hannegan | 2021-12-07 | $14,196,000 |