Top Inventors at Roll Systems All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | H. W. Crowley | 56 |
| 2 | John W. Clifford | 12 |
| 3 | William F. Bolza | 11 |
| #4 | Bruce J. Taylor | 8 |
| #5 | R. Langdon Wales | 8 |
| #6 | Roman M. Golicz | 7 |
| #7 | Barry Mark Jackson | 6 |
| #8 | John M. Fiske | 6 |
| #9 | Peter E. Bianchetto | 5 |
| #10 | John Robert Fairhurst | 4 |
| #11 | Richard A. Sjostedt | 4 |
| #12 | Robert F. Herrick, Jr. | 3 |
| #13 | Steven P. Lewalski | 3 |
| #14 | Stephen E. Silva | 3 |
| #15 | Tamas Hetenyi | 3 |
| #16 | Thomas Connolly | 3 |
| #17 | James P. Zamanakos | 2 |
| #18 | Joseph R. Bilinski | 2 |
| #19 | Albert L. Wright | 2 |
| #20 | Edward J. Zanchi | 1 |
| #21 | Gregory Mercurio | 1 |
| #22 | James R. Mazur | 1 |
| #23 | Jules Fried | 1 |
| #24 | Matthew D. Bouche | 1 |
| #25 | Kevin W. Tomberlin | 1 |
| #26 | H. W. Crowler | 1 |
| #27 | Brian A. Biggar | 1 |