Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9664003 | Non-stop driller manifold and methods | Darcy Nott | 2017-05-30 |
| 4739655 | Method of automatically determining drilling fluid lag time while drilling a well | Carl Thomas Greer, Clarence F. Ryan | 1988-04-26 |