Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Richard J. Nelson | Alfred E. Mann Foundation For Scientific Research | 19 |
| 2 | Donald E. Sable | Enterra Patco Oilfield Products Limited | 16 |
| 3 | Clyde Kranenberg | — | 1 |
| 3 | Alan R. Story | — | 1 |
| 3 | Sean D. Cogdill | — | 1 |
| 3 | Weston Garrett Hubele | — | 1 |
| 3 | Fredrick Gillis | M-I L.L.C. | 1 |
Part of Wyoming