Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | David Levie | Halliburton Energy Services | 15 |
| 2 | Hermann Rosen | Rosen Swiss Ag | 8 |
| 3 | David E. Y. Levie | Antelope Oil Tool & Mfg. | 4 |
| #4 | Daniel Emmenegger | Komax Holding Ag | 2 |
| #5 | Urs Kauffmann | Schurter Ag | 1 |