Top Inventors at U.S. Silica All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David Earl Weller, JR. | 6 |
| 2 | Rhonda Marie Jenree | 4 |
| 3 | Rocky Lee Smith | 4 |
| #4 | Eric L. Sexauer | 3 |
| #5 | Matthew W. Kolb | 3 |
| #6 | Ramanan Pitchumani | 3 |
| #7 | Shih-Jen Wu | 3 |
| #8 | William R. Wells | 3 |
| #9 | Chad Cannan | 2 |
| #10 | Dale Grove | 2 |
| #11 | Steve Canova | 2 |
| #12 | Fangfu Zhang | 1 |
| #13 | Scott K. Palm | 1 |