Issued Patents 2019
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10227838 | Drilling system and method having flow measurement choke | Lev Ring | 2019-03-12 |
| 10174571 | Control of multiple hydraulic chokes in managed pressure drilling | Paul R. Northam | 2019-01-08 |