Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Peter Ellington | Weatherford/Lamb | 5 |
| 2 | Neil Hardie | Camco International | 1 |
| 2 | Ronald Dent | Camco International | 1 |
| 2 | Colin O. Hart | — | 1 |
| 2 | Vaughn Griffin | Baker Hughes Holdings | 1 |
9 patents · 5 inventors
Ranked #55,498 of 111,555 cities Top 50%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Peter Ellington | Weatherford/Lamb | 5 |
| 2 | Neil Hardie | Camco International | 1 |
| 2 | Ronald Dent | Camco International | 1 |
| 2 | Colin O. Hart | — | 1 |
| 2 | Vaughn Griffin | Baker Hughes Holdings | 1 |