Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David W. Largent | Varco I/P | 8 |
| 2 | David Devore | Henkel Limited | 4 |
| 3 | Barry Pennington | — | 1 |
| 3 | Michael Anthony Rumfield | — | 1 |
| 3 | John W. Amszi | Pennzoil-Quaker State | 1 |
Part of Texas
15 patents · 5 inventors · 2.0/1k pop.
Ranked #4,464 of 30,146 cities Top 15%
Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David W. Largent | Varco I/P | 8 |
| 2 | David Devore | Henkel Limited | 4 |
| 3 | Barry Pennington | — | 1 |
| 3 | Michael Anthony Rumfield | — | 1 |
| 3 | John W. Amszi | Pennzoil-Quaker State | 1 |
Part of Texas