Showing 1–16 of 16 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hendrik Theodorus van de Grampel | GE | 13 |
| 2 | Wicher T. Koetsier | ExxonMobil | 8 |
| 3 | Alfred Langerak | — | 5 |
| #4 | Franciscus H. Gortemaker | Lever Brothers | 3 |
| #4 | Frank Hoos | Unknown | 3 |
| #4 | Simon H. Meij | Draeger Medical Systems | 3 |
| #7 | Jan Willem Kars | Koni B.V. | 2 |
| #8 | Hendrik Theodurus van de Grampel | Sabic Innovative Plastics B.V. | 1 |
| #8 | Gerrit Vaandrager | — | 1 |
| #8 | Willibrordus T. De Groot | Lever Brothers | 1 |
| #8 | Willem M. Star | — | 1 |
| #8 | Wout A. Breeman | Mallinckrodt | 1 |
| #8 | Robert Grootveld | — | 1 |
| #8 | Andries Arie Tuk | — | 1 |
| #8 | Samuel Jager | Koni B.V. | 1 |
| #8 | Pieter Cornelis Leendert van Brakel | Krohne Ag | 1 |