Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10619451 | Redundant balance line operating system | — | 2020-04-14 |
| 10294751 | Balance line control system with reset feature for floating piston | John Burris | 2019-05-21 |
| 10077631 | Pressure equalizing valve insensitive to setting depth and tubing pressure differentials | Samuel C. Kucera, Jason Edwards | 2018-09-18 |
| 9744660 | Control line operating system and method of operating a tool | Samuel C. Kucera | 2017-08-29 |
| 9739119 | Penetrator for a puncture communication tool and method | Ronald J. Garr, John D. Lindemann, Michael L. Hair, Thomas S. Myerley | 2017-08-22 |
| 9719326 | Switch between redundant control systems for a subsurface safety valve | Samuel C. Kucera, Michael L. Hair, Clifford H. Beall | 2017-08-01 |
| 9677377 | Failsafe control system for a safety valve having a condition sensing and chemical injection feature | Wade A. Miller | 2017-06-13 |