Top Inventors at Nilfisk-Advance All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald Joseph Legatt | 14 |
| 2 | Galen Swenson | 5 |
| 3 | David W. Wood | 4 |
| #4 | Kurt Morris Vetse | 4 |
| #5 | Kipp Knutson | 3 |
| #6 | Nick Graupe | 3 |
| #7 | Paul Mueller | 3 |
| #8 | Wolfgang Lehmann | 3 |
| #9 | Dexter Lehman | 2 |
| #10 | Emert R. Whitaker | 2 |
| #11 | Patrick Enzler | 2 |
| #12 | Sean K. Goff | 2 |
| #13 | Agnes Friese | 2 |
| #14 | Charles A. Cazett | 1 |
| #15 | Everett Eugene Johnson | 1 |
| #16 | Jason W. Drexler | 1 |
| #17 | James Keazer | 1 |
| #18 | Kale R. Johnson | 1 |
| #19 | Kevin Mitchell | 1 |
| #20 | Keith E. Nygaard | 1 |
| #21 | Mark J. Sowada | 1 |
| #22 | Michael Carrol | 1 |
| #23 | Michael A. Stoy | 1 |
| #24 | Moses Boone | 1 |
| #25 | Nicholas Aadland | 1 |
| #26 | Nicholas J. Graupe | 1 |
| #27 | Nicholas Jordan | 1 |
| #28 | Steve Reichow | 1 |
| #29 | William F. Allen | 1 |
| #30 | William R. Eklund | 1 |
| #31 | William Charles Sletten, II | 1 |
| #32 | William Randall Stuchlik | 1 |
| #33 | Don F. Ketcher | 1 |
| #34 | Al C. Miller | 1 |