Showing 1–19 of 19 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Gustav Edward Lange | Halliburton Energy Services | 14 |
| 2 | Randal H. Pustanyk | Baroid Technology | 4 |
| 3 | Jack Hendriks | — | 3 |
| #4 | Trevor Coleman | — | 2 |
| #4 | Stephen M. Lafond | Esco Group | 2 |
| #6 | Gus Lange | — | 1 |
| #6 | Gordon Witt | — | 1 |
| #6 | Greg Swinamer | — | 1 |
| #6 | Kevin Christenson | Ulterra Drilling Technologies | 1 |
| #6 | Karl J. Beagrie | Weatherford Holding U.S. | 1 |
| #6 | Norman Hiller | — | 1 |
| #6 | Robert W. Bonsan | — | 1 |
| #6 | Herbert C. Spencer | — | 1 |
| #6 | William B. Moure, Jr. | — | 1 |
| #6 | Ed Wasyliw | — | 1 |
| #6 | Roland C. Jubinville | — | 1 |
| #6 | Norman John Garden | — | 1 |
| #6 | Jim Tomlinson | — | 1 |
| #6 | Daniel Alexander Cameron | — | 1 |