Issued Patents 2011
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8002039 | Valve for controlling the flow of fluid between an interior region of the valve and an exterior region of the valve | Khai Tran | 2011-08-23 |
| 7921925 | Method and apparatus for expanding and separating tubulars in a wellbore | Patrick Maguire, Neil Andrew Abercrombie Simpson | 2011-04-12 |
| 7870907 | Debris protection for sliding sleeve | Jeffrey J. Lembcke, Joe Jordan | 2011-01-18 |
| 7861790 | Injection valve and method | Jeffrey J. Lembcke | 2011-01-04 |