Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ralph H. Echols | Halliburton Energy Services | 2 |
| 2 | Randolfo Fernandez | Abb Vetco Gray | 1 |
| 2 | Thomas R. Smith | Ashland Licensing And Intellectual Property | 1 |
| 2 | Jonathan W. Brown | Schlumberger Technology | 1 |
| 2 | Stephen P. Fenton | Vetco Gray | 1 |
| 2 | Colin Headworth | Halliburton | 1 |
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