Showing 1–7 of 7 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ivor Maciver | Schlumberger Technology | 3 |
| 1 | David Michael Shand | Deltatek Oil Tools Limited | 3 |
| 3 | David N. Spencer | Vetco Gray | 1 |
| 3 | Steven Helmore | E.V. Offshore Limited | 1 |
| 3 | Euan Murdoch | Weatherford Technology Holdings | 1 |
| 3 | Robert Bain | Paradigm Flow Services Limited | 1 |
| 3 | Stephen William Vorley | — | 1 |