Top Inventors at Zimpro Passavant Environmental Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Richard W. Lehmann | 4 |
| 2 | Bruce L. Brandenburg | 3 |
| 3 | David A. Beula | 2 |
| #4 | Gene W. Mueller | 2 |
| #5 | William M. Copa | 2 |
| #6 | David S. Ross | 1 |
| #7 | Glover C. McIntyre | 1 |
| #8 | John A. Meidl | 1 |
| #9 | Joseph A. Momont | 1 |
| #10 | John Guido Piccirillo | 1 |
| #11 | Joseph S. Tikalsky | 1 |
| #12 | Kent T. Depuydt | 1 |
| #13 | Kenneth P. Keckler | 1 |
| #14 | Mark A. Clark | 1 |
| #15 | Ronald L. Edwards | 1 |
| #16 | Robert J. Lacombe | 1 |
| #17 | Russell G. Forbess | 1 |
| #18 | Thomas Baumann | 1 |
| #19 | Robert J. Kamke | 1 |