Top Inventors at Irvin Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James A. Gavagan | 21 |
| 2 | Mark Lobanoff | 10 |
| 3 | Ronald S. Gulette | 7 |
| #4 | Carl M. Petersen, III | 5 |
| #5 | William E. Brennan, III | 4 |
| #6 | James E. White | 2 |
| #7 | Kirk Jensen | 2 |
| #8 | Michael David Uhazie | 2 |
| #9 | Frank West | 1 |
| #10 | Grace M. Charen | 1 |
| #11 | Jerry J. Motyka | 1 |
| #12 | Leslie Hinds | 1 |
| #13 | Lloyd H. Rain | 1 |
| #14 | Michael P. J. Brennan | 1 |
| #15 | Michael Ray | 1 |
| #16 | Robert C. Fisher | 1 |
| #17 | Robert A. Harris | 1 |
| #18 | Steven L. Squires | 1 |
| #19 | Terence W. McLorg | 1 |
| #20 | Walter M. Wheeler | 1 |
| #21 | W. T. Langridge | 1 |
| #22 | Ahmed A. ElDifrawi | 1 |