Top Inventors at Risdon All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Thomas F. Holloway | 26 |
| 2 | Walter T. Ackermann | 14 |
| 3 | Owen F. Van Brocklin | 7 |
| #4 | Richard H. Seager | 7 |
| #5 | Harley H. Mattheis | 5 |
| #6 | Walter K. Kemmerer | 5 |
| #7 | Paul M. Kotuby | 3 |
| #8 | Antonio Montoli | 3 |
| #9 | Edward F. Klimeck | 2 |
| #10 | Eric J. Idec | 2 |
| #11 | Glenn W. McGarvey | 2 |
| #12 | Joseph F. Reed | 2 |
| #13 | Thomas J. Dunleavy | 2 |
| #14 | Brooks R. Markert | 1 |
| #15 | Craig Bures | 1 |
| #16 | David Seidler | 1 |
| #17 | Dominic Wilks, Jr. | 1 |
| #18 | Edward Tichy | 1 |
| #19 | Edward Wittman | 1 |
| #20 | George R. Snyder | 1 |
| #21 | James R. Bigham | 1 |
| #22 | Melvin P. Jordan | 1 |
| #23 | Owen F. VanBrocklin | 1 |
| #24 | Robert L. Pierpont | 1 |
| #25 | Stephen P. McNamara | 1 |
| #26 | Walter T. Ackerman | 1 |
| #27 | Lance A. Monje | 1 |
| #28 | Andrew Tscheppe | 1 |
| #29 | Gerald E. Rideout | 1 |
| #30 | Agha Khan | 1 |