Issued Patents 2021
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 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 |