Issued Patents 2019
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10458203 | Pressure cycle actuated injection valve | Thomas G. Hill, Jr. | 2019-10-29 |
| 10443338 | Pressure actuated frack ball releasing tool | Daniel S. Matthews, Steve Rosenblatt | 2019-10-15 |
| 10309175 | High flow downhole lock | — | 2019-06-04 |
| 10294755 | Dual barrier injection valve with a variable orifice | Thomas G. Hill, Jr. | 2019-05-21 |
| 10267099 | Isolation sleeve for downhole equipment | — | 2019-04-23 |
| 10232919 | Multi-vessel process to install and recover subsea equipment packages | James E. Chitwood, Art J. Schroeder, Jr., Timothy T. Krasin | 2019-03-19 |
| 10190390 | Pressure actuated ported sub for subterranean cement completions | Justin Kellner, James S. Sanchez, Paul Madero, Charles Johnson, Robert W. Putch | 2019-01-29 |