Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5425623 | Rod pump beam position determination from motor power | David Glenn Loucks | 1995-06-20 |
| 5372482 | Detection of rod pump fillage from motor power | David Glenn Loucks | 1994-12-13 |
| 5318409 | Rod pump flow rate determination from motor power | David Glenn Loucks, Denis A. Mueller | 1994-06-07 |