Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Terry L. Glasscock | Halliburton Energy Services | 7 |
| 2 | Don C. Fore | Unknown | 4 |
| 3 | Paul Andrew Rogers | Dana Limited | 2 |
| #4 | Randal L. Dikeman | Hubbell Incorporated | 1 |
| #4 | Tom D. Greiner | Hughes Tool Company | 1 |
| #4 | Terry L. Glascock | Baker Hughes Holdings | 1 |
| #4 | John S. Hyska | Dana Limited | 1 |
| #4 | Alexander Sorochinsky | — | 1 |
| #4 | Albert L. May | — | 1 |
| #4 | Marvin D. Gregory | — | 1 |
| #4 | Jay Fimple | — | 1 |
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