Issued Patents 2016
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9518445 | Bidirectional downhole isolation valve | — | 2016-12-13 |
| 9394762 | Isolation valve with debris control and flow tube protection | Christopher L. McDowell, Paul L. Smith | 2016-07-19 |
| 9353587 | Three-way flow sub for continuous circulation | Ram K. Bansal, Miroslav Mihalj, Bill Menard, Thomas F. Bailey, David Pavel +3 more | 2016-05-31 |