Issued Patents 2022
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11384613 | Wellbore dart with separable and expandable tool activator | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2022-07-12 |
| 11313202 | Systems and methods for controlling fluid flow in a wellbore using a switchable downhole crossover tool | Bo Gao, Lonnie Carl Helms, Yuzhu Hu, Gary Joe Makowiecki | 2022-04-26 |