Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 12152486 | Method and system for remotely signalling a downhole assembly comprising one or more downhole tool | Euan Murdoch, Richard Dalzell | 2024-11-26 |
| 11156078 | Downhole communication | Hugh Clarkson, Daniel George Purkis | 2021-10-26 |
| 11073010 | Downhole valve assembly | — | 2021-07-27 |
| 10915714 | Active RFID tag arrangements for actuation of downhole equipment in well fluids | John Fielding Ownby, Richard Dalzell, Rupa Sharma, Eric R. Evans, Jobby T. Jacob | 2021-02-09 |
| 10753196 | Downhole communication | Hugh Clarkson, Daniel George Purkis | 2020-08-25 |
| 10655439 | Gas lift method and apparatus | Euan Murdoch, Colin Rae, Richard Dalzell, Quentin Lhussier | 2020-05-19 |
| 10586083 | Active RFID tag arrangements for actuation of downhole equipment in well fluids | John Fielding Ownby, Richard Dalzell, Rupa Sharma, Eric R. Evans, Jobby T. Jacob | 2020-03-10 |
| 10294775 | Downhole communication | Hugh Clarkson, Daniel George Purkis | 2019-05-21 |
| 10198606 | Radio frequency identification tag delivery system | John Fielding Ownby, Jobby T. Jacob, Richard L. Giroux, Richard Dalzell, Jake M. Boudreaux +5 more | 2019-02-05 |
| 9911016 | Radio frequency identification tag delivery system | John Fielding Ownby, Jobby T. Jacob, Richard L. Giroux, Richard Dalzell, Jake M. Boudreaux +5 more | 2018-03-06 |