Top Inventors at Process Equipment All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David A. Grigsby | 3 |
| 2 | G. Scott Muddiman | 3 |
| 3 | Harold E. Knasel | 3 |
| #4 | Jerry Farmer | 2 |
| #5 | John D. Goddard | 2 |
| #6 | Scott Muddiman | 2 |
| #7 | George S. Muddiman | 1 |
| #8 | James Coleman | 1 |
| #9 | Monroe L. Johnson, III | 1 |
| #10 | W. Dean Warnock | 1 |
| #11 | William L. Wallace | 1 |
| #12 | Paul R. Pontis | 1 |
| #13 | James W. McGuffey | 1 |