Top Inventors at Preglem Sa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ernest Loumaye | 6 |
| 2 | Elke Bestel | 2 |
| 3 | Ian Osterloh | 2 |
| #4 | Bartholomeus C.J.M. Fauser | 1 |
| #5 | Dacquin Annie | 1 |
| #6 | Jean Florence | 1 |
| #7 | Jean-Pierre Gotteland | 1 |
| #8 | Loumaye Ernest | 1 |
| #9 | Osterloh Ian | 1 |
| #10 | Valérie Boujac | 1 |
| #11 | Bestel Elke | 1 |
| #12 | Alain Gougeon | 1 |