Top Inventors at Environmental Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Bruce H. DeWoolfson | 11 |
| 2 | Ken R. Powell | 9 |
| 3 | Rusty Driscoll | 4 |
| #4 | David Alexander | 3 |
| #5 | Michael A. Reed | 3 |
| #6 | John D. Millhiser | 2 |
| #7 | Robert F. Freund | 2 |
| #8 | Stanley Flowers | 2 |
| #9 | Bruce Randall DeWoolfson | 1 |
| #10 | Darrell J. Smith | 1 |
| #11 | Don Dawson | 1 |
| #12 | Donald E. Dawson | 1 |
| #13 | Hon Zhang | 1 |
| #14 | Kenneth R. Fite | 1 |
| #15 | Warner Schumacher | 1 |
| #16 | William R. Dellinger, Jr. | 1 |