Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11466529 | Core barrel head assembly with an integrated sample orientation tool and system for using same | Christopher L. Drenth, Gordon Stewart | 2022-10-11 |
| 11313191 | Downhole surveying and core sample orientation systems, devices and methods | — | 2022-04-26 |
| 11125038 | Downhole surveying and core sample orientation systems, devices and methods | Gordon Stewart, Brett James Wilkinson, Michael Alan Klass, Johan Anwar | 2021-09-21 |
| 10995575 | Downhole surveying and core sample orientation systems, devices and methods | — | 2021-05-04 |
| 10830013 | Core barrel head assembly with an integrated sample orientation tool and system for using same | Christopher L. Drenth, Gordon Stewart | 2020-11-10 |
| 10465463 | Core barrel head assembly with an integrated sample orientation tool and system for using same | Christopher L. Drenth, Gordon Stewart | 2019-11-05 |
| 10066455 | Downhole surveying and core sample orientation systems, devices and methods | Gordon Stewart, Brett James Wilkinson, Michael Alan Klass, Johan Anwar | 2018-09-04 |
| 10047581 | Core barrel head assembly with an integrated sample orientation tool and system for using same | Christopher L. Drenth, Gordon Stewart | 2018-08-14 |
| 9739135 | Equipment and methods for downhole surveying and data acquisition for a drilling operation | Brett James Wilkinson, Michael Alan Klass, Johan Anwar, Gordon Stewart | 2017-08-22 |
| 9726007 | Downhole surveying | Gordon Stewart, Brett James Wilkinson, Michael Alan Klass, Johan Anwar | 2017-08-08 |