Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Robert W. Evans | Halliburton Energy Services | 4 |
| 2 | Michael L. Bailey | Upchurch Scientific | 1 |
| 2 | John Ely | Ely And Associates | 1 |
| 2 | Gunther HH von Gynz-Rekowski | Workover Solutions | 1 |
| 2 | Clinton Wesley Pike, SR. | Vhsc | 1 |
| 2 | Keith Hoyle | Mckesson | 1 |
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