Issued Patents All Time
Showing 1–18 of 18 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11499400 | Punch mechanism | Grant George | 2022-11-15 |
| 11384621 | Automatic flow control valve | — | 2022-07-12 |
| 11162345 | Fracing plug | Grant George, Matthew McCarthy, Shane Sargent | 2021-11-02 |
| 10851616 | Wireline suspendable apparatus for sealing a subterranean well | Peter Knight, Grant George | 2020-12-01 |
| 10508526 | Fracing plug | Grant George, Matthew McCarthy, Shane Sargent | 2019-12-17 |
| 9689236 | Liner hanger | Grant George, Shane Sargent, Matthew McCarthy | 2017-06-27 |
| 9638003 | Sleeve valve | Grant George, Shane Sargent, Matthew McCarthy | 2017-05-02 |
| 9617823 | Axially compressed and radially pressed seal | Grant George, Shane Sargent | 2017-04-11 |
| 8056621 | Master ball valve with integrated hanger | Grant George, Geoff Steele, Jordan James | 2011-11-15 |
| 6199630 | Pull-through tubing string rotator for an oil well | Chris C. Blundell, Andrew Wright | 2001-03-13 |
| 5996688 | Hydraulic pump jack drive system for reciprocating an oil well pump rod | Glenn S Schultz, Les Grabill | 1999-12-07 |
| 5875841 | Oil well blow-out preventer | Andrew Wright | 1999-03-02 |
| 5794693 | Dual tubing string hanging apparatus | Andrew Wright | 1998-08-18 |
| 5746249 | Oil well blow-out preventer and sealing device | Andrew Wright | 1998-05-05 |
| 5383519 | Apparatus for rotating a tubing string of a pumping wellhead | James A. Wright | 1995-01-24 |
| 4658917 | Enclosed jar tool | — | 1987-04-21 |
| 4518319 | Variable displacement pump system | — | 1985-05-21 |
| 4480963 | Pump swashplate control assist | — | 1984-11-06 |