Top Inventors at Oliver Products All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Bernard L. Petersen | 7 |
| 2 | Gary L. Kruse | 7 |
| 3 | Mark S. Lastovich | 7 |
| #4 | Perry R. DeYoung | 7 |
| #5 | Jim C. Nensewitz | 3 |
| #6 | Louis S. Polster | 3 |
| #7 | Paul T. Dege | 3 |
| #8 | Scott D. Sikkema | 3 |
| #9 | Perry R. De Young | 2 |
| #10 | Robert J. Langeland | 2 |
| #11 | Scott M. Dykstra | 2 |
| #12 | Todd A. Sutton | 2 |
| #13 | Vance John Matz | 2 |
| #14 | Alan M. Ledford | 2 |
| #15 | Douglas R. Hanson | 1 |
| #16 | Donald J. Van Weelde | 1 |
| #17 | Edward W. Burmeister | 1 |
| #18 | James A. Van Doorne | 1 |
| #19 | James A. VanDoorne | 1 |
| #20 | Kevin J. Dewey | 1 |
| #21 | Geoffrey A. Pavey | 1 |
| #22 | Eloy M. Cantu, Jr. | 1 |