Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11261701 | Shifting tool and associated methods for operating downhole valves | Corey M. Kshyk, Todd A. WEIRMEIR | 2022-03-01 |
| 10053948 | Tension-set tieback packer | — | 2018-08-21 |
| 9909390 | Stage tool with lower tubing isolation | Bryce McNabb, Jozeph Robert Marcin, James A. MacTavish, Corey M. Kshyk | 2018-03-06 |
| 9874070 | Tension-set tieback packer | Brian Hilhorst, James A. MacTavish | 2018-01-23 |
| 9334700 | Reverse cementing valve | Jozeph Robert Marcin, Randal Brent Biedemann, Damian Leonard Ward, Clayton R. Andersen | 2016-05-10 |