Issued Patents 2022
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11480030 | Thermal expansion actuation system for sleeve shifting | Per Angman, Allan Petrella, Matthew H. Brown | 2022-10-25 |
| 11365606 | Downhole sleeve assembly and sleeve actuator therefor | Per Angman, Allan Petrella, David C. Parks | 2022-06-21 |
| 11346169 | Sleeve valves, shifting tools and methods for wellbore completion operations therewith | Per Angman | 2022-05-31 |
| 11319802 | Downhole operations using remote operated sleeves and apparatus therefor | Per Angman, Allan Petrella | 2022-05-03 |
| 11261682 | Mode selector for a downhole tool | Per Angman, Matthew H. Brown, David C. Parks, Allan Petrella | 2022-03-01 |
| 11215048 | System and method for monitoring and controlling fluid flow | Allan Petrella, Matthew H. Brown, Per Angman | 2022-01-04 |