Top Inventors at Filtran All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Ibrahim Khalil | 8 |
| 2 | John G. Eleftherakis | 2 |
| 3 | John W. Shaw | 2 |
| #4 | Kenneth Swanson | 2 |
| #5 | Leroy Meddock | 2 |
| #6 | Mark T. Meddock | 2 |
| #7 | Vasyl Kondratyuk | 2 |
| #8 | Conrad Alfaro | 1 |
| #9 | Eric Saari | 1 |
| #10 | Karl S. Morgan | 1 |
| #11 | Kenneth V. Nelson | 1 |
| #12 | Lev Pekarsky | 1 |
| #13 | Markus Beer | 1 |
| #14 | Mieko Zukeran | 1 |