Showing 1–6 of 6 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Walter van der Heijden | GE | 2 |
| 2 | Rosmalen R. Roling | Varco I/P | 1 |
| 2 | Hans-Erik Van Elburg | Ericsson | 1 |
| 2 | J. W. H. Van Rijzingen | Varco I/P | 1 |
| 2 | Hendrik Jan Righolt | Gea Food Solutions Bakel B.V. | 1 |
| 2 | Theodorus Gijsbertus Gerardus Teunissen | Vmi Holland B.V. | 1 |