Issued Patents 2018
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10087713 | Internal subsurface safety valve for rotating downhole pumps | — | 2018-10-02 |
| 10082000 | Apparatus and method for isolating fluid flow in an open hole completion | David E. Courtnage, Jing Wan | 2018-09-25 |
| 9856720 | Bidirectional flow control device for facilitating stimulation treatments in a subterranean formation | — | 2018-01-02 |