Top Inventors at Durr Environmental All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Joseph M. Klobucar | 8 |
| 2 | Ajay Gupta | 3 |
| 3 | Michael R. Lutz | 2 |
| #4 | Cary Allen | 1 |
| #5 | Dana Wregglesworth | 1 |
| #6 | Dinesh Bhushan | 1 |
| #7 | Jerry Wayne Noble | 1 |
| #8 | Richard Garvey | 1 |
| #9 | Robert G. Cox | 1 |
| #10 | Frank Hussey | 1 |
| #11 | Matthias Stegmueller | 1 |
| #12 | Frank W. Fenbert | 1 |