Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Maurice Peemen | Fei | 14 |
| 2 | Marian Jozef Walter Slezak | Siemens Milltronics Process Instruments | 5 |
| 3 | Ad van Heesbeen | Van Heesbeen Cultures B.V. | 4 |
| #4 | George Johannes Ferdinandus Blom | — | 2 |
| #5 | Jan Slezak | Siemens Aktiengesellschaft | 1 |
| #5 | Maurice PEEMAN | — | 1 |
| #5 | Theodorus Johannes Michael Graban | — | 1 |
| #5 | Arie P. Oostlander | — | 1 |
| #5 | Anko Gils | — | 1 |