Issued Patents 2019
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10472919 | Tension release packer for a bottomhole assembly | Per Angman | 2019-11-12 |
| 10472928 | Downhole sleeve assembly and sleeve actuator therefor | Per Angman, Allan Petrella, David C. Parks | 2019-11-12 |
| 10287866 | Methods and electrically-actuated apparatus for wellbore operations | Per Angman, Allan Petrella | 2019-05-14 |
| 10267140 | Extendable/collapsible apparatus for fracture imaging and use of same | Per Angman, Allan Petrella | 2019-04-23 |