Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Hendrik Johannes Krock | Aktiebolaget Skf | 4 |
| 1 | Abram Klaas Roskam | Krohne Ag | 4 |
| 3 | Johannes Antonius Maria Kühne | Koninklijke Fabriek Inventum B.V. | 3 |
| 3 | Vincent Esveldt | Mokveld Valves B. V. | 3 |
| #5 | René Holkema | Ncr | 2 |
| #5 | Remon Vincent Wensveen | Holmatro B.V. | 2 |
| #7 | Pieter van de Werken | Macgregor International, S.A. | 1 |
| #7 | Klaas T. Hove | Saarbergwerke Aktiengesellschaft | 1 |
| #7 | Albert Schouten | New Variety B.V. | 1 |
| #7 | Henk Mol | Ab Skf | 1 |
| #7 | Erwin Zan Pieter Van Der Stelt | Sitel Semiconductor B.V. | 1 |
| #7 | Robbert Marinus Haverkamp | — | 1 |