Showing 1–13 of 13 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Lloyd Byron Spangle | Catalyst Partners | 2 |
| 2 | Richard T. Rentzel | Baker Hughes Holdings | 1 |
| 2 | Eugene T. Logan | Sigma Industries | 1 |
| 2 | Kevin J. Gilmore | Baker Hughes, A Ge Company | 1 |
| 2 | David W. Livingston | Baker Hughes Holdings | 1 |
| 2 | Phillip Naegele | Halliburton | 1 |
| 2 | Michael Skelly | — | 1 |
| 2 | Charles E. Francis | Unknown | 1 |
| 2 | Joel Flynn Jones | Hughes Tool Company | 1 |
| 2 | Clifford R. Mackey | — | 1 |
| 2 | Joseph E. Vandervier | Hughes Tool Company | 1 |
| 2 | Buford R. Hinds | — | 1 |
| 2 | C. J. Thornton | — | 1 |
Part of Oklahoma