Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert J. Byers | — | 5 |
| 2 | Charles I. Moffett | Smith International | 2 |
| 2 | Mark D. Swisher | — | 2 |
| 2 | Allen Morgan | — | 2 |
| 2 | by Emma Dee Gray, executrix | — | 2 |
| #6 | Kenny D. Robertson | — | 1 |
| #6 | Emma D. W. Gray, executrix | — | 1 |
| #6 | R. Steven Johnson | — | 1 |
Part of Louisiana