Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11629559 | Apparatus for connecting drilling components between rig and riser | Robert Ziegler | 2023-04-18 |
| 11268332 | Self-aligning, multi-stab connections for managed pressure drilling between rig and riser components | Robert Ziegler, Gordon Thomson, Edvin Andersen, Øystein Christensen, Anthony James Reid | 2022-03-08 |
| 11199061 | Closed hole circulation drilling with continuous downhole monitoring | Dauren Mustafa | 2021-12-14 |
| 10107075 | Downhole isolation valve | Michael Brian Grayson, Joe Noske, Christopher L. McDowell | 2018-10-23 |