Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Matthew J. Crookston | Ajc Tools & Equipment | 6 |
| 2 | Leonard M. Plummer | Baker Hughes Holdings | 3 |
| 3 | Donnell R. Robie | Chevron | 2 |
| 3 | Steven D. McPherson | Chevron | 2 |
| 3 | J. Donald King, Jr. | Unknown | 2 |
| #6 | Elizabeth A. Freitas | Chevron | 1 |
| #6 | Kenneth E. Blevins | — | 1 |
| #6 | Kennith L. Dotson | — | 1 |
| #6 | Lance O. Masoner | Chevron | 1 |
| #6 | Derry E. Banta | Hughes Tool Company | 1 |
| #6 | Vance A. Wilczek | Hughes Tool Company | 1 |
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