Top Inventors at Derrick Manufacturing All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John J. Bakula | 22 |
| 2 | Keith Wojciechowski | 6 |
| 3 | William W. Derrick | 5 |
| #4 | James W. Derrick | 3 |
| #5 | James A. Mooney | 3 |
| #6 | Raymond Kirsch | 2 |
| #7 | Robert G. Derrick | 2 |
| #8 | Thomas M. Fallon | 2 |
| #9 | Christopher P. Kelley | 1 |
| #10 | H. William Derrick, Jr. | 1 |
| #11 | John A. Tanner | 1 |
| #12 | Ronald J. Schiller | 1 |
| #13 | Scott Michael Kroon | 1 |
| #14 | L. Charles Matsch | 1 |