Top Inventors at Portescap All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Claude Oudet | 20 |
| 2 | Danielle Regnier | 2 |
| 3 | Gilbert Drey | 2 |
| #4 | Jean-Claude Girardin | 2 |
| #5 | Marc Heyraud | 2 |
| #6 | Norbert Veignat | 2 |
| #7 | Christophe Dayer | 1 |
| #8 | Luciano Antognini | 1 |
| #9 | Pierre Beguin | 1 |
| #10 | Yvan Greiner | 1 |
| #11 | Yves Guerin | 1 |
| #12 | Jean-Claude Caby | 1 |
| #13 | Roger Lagger | 1 |
| #14 | Oudet Claude | 1 |
| #15 | Antognini Luciano | 1 |
| #16 | Andre Martin | 1 |