Top Inventors at A/S Ferrosan All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank Watjen | 21 |
| 2 | Mogens Engelstoft | 16 |
| 3 | John Bondo Hansen | 7 |
| #4 | Leif H. Jensen | 7 |
| #5 | Jorgen Drejer | 6 |
| #6 | Flemming E. Nielsen | 5 |
| #7 | Poul Jacobsen | 5 |
| #8 | Tage Honore | 5 |
| #9 | Holger Claus Hansen | 4 |
| #10 | Joergen A. Christensen | 4 |
| #11 | Palle Jakobsen | 4 |
| #12 | Claus T. Braestrup | 3 |
| #13 | Jorgen A. Christensen | 3 |
| #14 | Jorgen Buus Lassen | 3 |
| #15 | Dieter Rahtz | 2 |
| #16 | Erling N. Petersen | 2 |
| #17 | Gunter Neef | 2 |
| #18 | Henning Schou | 2 |
| #19 | Jens W. Kindtler | 2 |
| #20 | Joergen B. Lassen | 2 |
| #21 | Mogens C. Nielsen | 2 |
| #22 | Per Sauerberg | 2 |
| #23 | Ralph Schmiechen | 2 |
| #24 | Ulrich Eder | 2 |
| #25 | Andreas Huth | 2 |
| #26 | Birte Kloppenborg Skrumsager | 1 |
| #27 | Frank Waetjen | 1 |
| #28 | Lars Naerum | 1 |
| #29 | Peer Everland | 1 |