Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9850732 | Seal assembly for a downhole device | Jonathan Peter Murty | 2017-12-26 |
| 9637988 | Fluid vent assembly and method of venting fluid | — | 2017-05-02 |
| 9045962 | Downhole apparatus having a rotating valve member | Michael John Christie, Irvine Cardno Brown, Michael A. Reid | 2015-06-02 |
| 8522886 | Downhole apparatus having a rotating valve member | Michael John Christie, Irvine Cardno Brown, Michael A. Reid | 2013-09-03 |
| 8240376 | Pressure equalising devices | Irvine Cardno Brown, Michael A. Reid | 2012-08-14 |
| 8191629 | Pressure equalising devices | Irvine Cardno Brown, Michael A. Reid | 2012-06-05 |