Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 11365605 | Locking backpressure valve | Larry T. Palmer, Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson | 2022-06-21 |
| 11359460 | Locking backpressure valve | Larry T. Palmer, Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson | 2022-06-14 |
| 11215026 | Locking backpressure valve | Larry T. Palmer, Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson | 2022-01-04 |
| 11215028 | Locking backpressure valve | Larry T. Palmer, Erik Van Steveninck, Erik Vilhelm Nordenstam, Eric Anders Erickson | 2022-01-04 |
| 10753178 | Method for removing a downhole plug | Bryan Sims | 2020-08-25 |
| 10590723 | Method for removing a downhole plug | Bryan Sims | 2020-03-17 |