Issued Patents 2020
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10704355 | Slotted anti-extrusion ring assembly | Guijun Deng, John K. Wakfield, Carlos A. Prieto, Alexander Kendall | 2020-07-07 |
| 10669820 | Frac and gravel packing system having return path and method | James A. Smith, Adam McGuire, Wilfred Provost, Hector H. Mireles | 2020-06-02 |
| 10526864 | Seal backup, seal system and wellbore system | Guijun Deng, Alexander Kendall | 2020-01-07 |