Top Inventors at Sevenson Environmental Services All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Karl William Yost | 11 |
| 2 | Dhiraj Pal | 10 |
| 3 | Steven A. Chisick | 5 |
| #4 | Michael C. Elia | 2 |
| #5 | Wayne Arthur Kostuk | 2 |
| #6 | Mason G. Wheeler, Jr. | 1 |
| #7 | Michael D. Crystal | 1 |
| #8 | Russell Harris | 1 |
| #9 | Steven C. Shaw | 1 |
| #10 | Timothy M. Donegan | 1 |