Top Inventors at Proengin Sa All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Pierre Clausin | 9 |
| 2 | Gilles Guene | 6 |
| 3 | Patrick Bleuse | 6 |
| #4 | Henri Lancelin | 3 |
| #5 | Pierre Suzanne | 2 |
| #6 | Christian Heurtel | 1 |
| #7 | Eric Wurmser | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Pierre Clausin | 9 |
| 2 | Gilles Guene | 6 |
| 3 | Patrick Bleuse | 6 |
| #4 | Henri Lancelin | 3 |
| #5 | Pierre Suzanne | 2 |
| #6 | Christian Heurtel | 1 |
| #7 | Eric Wurmser | 1 |