Issued Patents 2019
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10246971 | Flow activated valve | James C. Doane, Ronnie D. Russell, Barbara A. Pratt, Erwin D. Hernaez, Elias Pena +2 more | 2019-04-02 |
| 10221641 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Goang-Ding Shyu, James C. Doane, YingQing Xu | 2019-03-05 |
| 10221642 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Goang-Ding Shyu, James C. Doane, YingQing Xu | 2019-03-05 |
| 10221643 | Downhole tools having controlled degradation and method | Zhihui Zhang, Zhiyue Xu, Goang-Ding Shyu, James C. Doane, YingQing Xu | 2019-03-05 |
| 10184316 | Three position interventionless treatment and production valve assembly | James S. Sanchez, Beau R. Wright, Steve Rosenblatt | 2019-01-22 |