Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11608710 | Well fluid flow control choke | Kevin L. Gray | 2023-03-21 |
| 10801303 | Well fluid flow control choke | Kevin L. Gray | 2020-10-13 |
| 10094185 | Coriolis flow meter having flow tube with equalized pressure differential | Walter S. Dillard, Paul R. Northam, Lev Ring | 2018-10-09 |
| 10094186 | Controlled pressure drilling system with flow measurement and well control | Walter S. Dillard, Paul R. Northam, David J. Vieraitis | 2018-10-09 |