Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10487626 | Fracturing valve and fracturing tool string | Donald Getzlaf, John Ravensbergen, Shawn Leggett | 2019-11-26 |
| 9903182 | Fracturing valve and fracturing tool string | Donald Getzlaf, John Ravensbergen, Shawn Leggett | 2018-02-27 |
| 9033003 | Fluidic impulse generator | Robert Standen | 2015-05-19 |
| 8272404 | Fluidic impulse generator | Robert Standen | 2012-09-25 |