Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph D. Smith | John Zink Company | 4 |
| 2 | Henry E. Rogers | Halliburton Energy Services | 2 |
| 2 | Paul J. DesLauriers | Chevron | 2 |
| #4 | Patrick B. Cochran | Baker Hughes Holdings | 1 |
| #4 | Michael John Lahita | Amca International | 1 |
| #4 | Wade J. Alexander | — | 1 |
| #4 | Eric Thomas Greager | Helmerich & Payne | 1 |
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