Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Joseph Adrianus Maria Van Der Hoeff | Hoogovens Groep B.V. | 3 |
| 2 | Anthonius S. Admiraal | Holland Mechanics B.V | 2 |
| 2 | Kees Verweij | Hoogovens Groep B.V. | 2 |
| #4 | Jos van der Hoeff | — | 1 |
| #4 | Adrianus Petrus Welboren | — | 1 |
| #4 | Antonius Simon Admiraal | Holland Mechanics B.V | 1 |
| #4 | Cornelis N. A. Praat | Hoogovens Groep B.V. | 1 |
| #4 | Jozef E. P. Valkering | — | 1 |
| #4 | Jop Timmers | — | 1 |
| #4 | Fransiscus Maria Mous | — | 1 |
| #4 | Willem Van Rijswijk | Tata Steel Nederland Technology B.V. | 1 |