Issued Patents All Time
Showing 1–17 of 17 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11946329 | Piston-less downhole tools and piston-less pressure compensation tools | — | 2024-04-02 |
| 11668190 | Magnetically isolating feedthrough connector | Catriona Elizabeth Walker | 2023-06-06 |
| 11261997 | Annular safety valve | Ronald George Taylor, Katherine Ann Davies, Peter Derek Walter Inglis | 2022-03-01 |
| 10794157 | Downhole remote trigger activation device for VLH big bore and mono bore configured running tools with programming logic | Gary Allen Kohn, Emile Edmund Sevadjian, Michael John Christie, Michael A. Reid | 2020-10-06 |
| 9518446 | Ball valve with sealing element | Michael A. Reid | 2016-12-13 |
| 9045962 | Downhole apparatus having a rotating valve member | Michael John Christie, Stuart Gordon, Michael A. Reid | 2015-06-02 |
| 8522886 | Downhole apparatus having a rotating valve member | Michael John Christie, Stuart Gordon, Michael A. Reid | 2013-09-03 |
| 8316953 | Valve | Michael A. Reid | 2012-11-27 |
| 8240376 | Pressure equalising devices | Stuart Gordon, Michael A. Reid | 2012-08-14 |
| 8201622 | Protection sleeve | Michael A. Reid | 2012-06-19 |
| 8191629 | Pressure equalising devices | Stuart Gordon, Michael A. Reid | 2012-06-05 |
| 8136584 | Single trip tubing punch and setting tool | William S. Burnett | 2012-03-20 |
| 7967071 | Electronic completion installation valve | — | 2011-06-28 |
| 7946347 | Injection valve | Michael A. Reid | 2011-05-24 |
| 7520329 | Injection valve | Michael A. Reid | 2009-04-21 |
| 6321847 | Downhole pressure activated device and a method | — | 2001-11-27 |
| 5865246 | Ball valves | — | 1999-02-02 |