Top Inventors at Envirogen All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert Jon Steffan | 6 |
| 2 | Michael Arthur Del Vecchio | 5 |
| 3 | Kevin Rock McClay | 3 |
| #4 | Mary F. DeFlaun | 3 |
| #5 | Paul Matthew Sutton | 3 |
| #6 | Robert Loudon | 3 |
| #7 | Burt D. Ensley | 2 |
| #8 | Charles Whitman Condee | 2 |
| #9 | Dennis Wayne Barshter | 2 |
| #10 | Jennifer Diane Michelson | 2 |
| #11 | Randi K. Rothmel | 2 |
| #12 | Ronald Unterman | 2 |
| #13 | Sam Frisch | 2 |
| #14 | Brian R. Folsom | 1 |
| #15 | Michael J. Shannon | 1 |
| #16 | Raymond Jasienski | 1 |
| #17 | Samuel Frisch | 1 |
| #18 | Younghua Yang | 1 |
| #19 | A. Paul Togna | 1 |
| #20 | Simon Vainberg | 1 |