Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Donald V. Umphries | Owen Oil Tools Lp | 2 |
| 2 | Herman J. Schellstede | Penetrators | 1 |
| 2 | Gerald D. Girouard, Sr. | Coastal Timbers | 1 |
| 2 | Michael Dee Moody | Rowan Holding | 1 |
| 2 | Donald Darcey | Coastal Timbers | 1 |
| 2 | Joseph L. Porter | Chevron | 1 |
| 2 | Kenneth R. Warren | Motorola | 1 |
Part of Louisiana