Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7533732 | Dual entry apparatus for a subterranean borehole | — | 2009-05-19 |
| 7478673 | Frac head including a mixing chamber | — | 2009-01-20 |
| 6095243 | Washout arrangement for a well | Bernard Herman Van Bilderbeek | 2000-08-01 |
| 5979572 | Flow control tool | Mark Stanley Davy | 1999-11-09 |