Top Inventors at Essef All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James C. Murphy | 10 |
| 2 | Edward T. LeBreton | 7 |
| 3 | Robert D. Wilkes | 5 |
| #4 | Erik Coeckelbergs | 3 |
| #5 | Gerald S. Boyce | 3 |
| #6 | James C. Hlebovy | 3 |
| #7 | Ronald B. Robol | 3 |
| #8 | Charles P. Chirdon | 2 |
| #9 | George Shoemaker Ellis | 2 |
| #10 | J. Tad Heyman | 2 |
| #11 | Jim Hlebovy | 2 |
| #12 | Kevin Goodge | 2 |
| #13 | Laurence M. Bierce | 2 |
| #14 | Mark D. Shaw | 2 |
| #15 | Steven C. Suchanek | 2 |
| #16 | Thomas G. Carter | 2 |
| #17 | Christian Gargiulo | 1 |
| #18 | Charles Molina | 1 |
| #19 | Dana Mortensen | 1 |
| #20 | Darrel Ralph | 1 |
| #21 | Douglas M. Horner | 1 |
| #22 | George J. Cooke | 1 |
| #23 | George Korzeniowski | 1 |
| #24 | Kenneth R. Kothera | 1 |
| #25 | Michael Lee Dulisse | 1 |
| #26 | Nicholas Herald, Jr. | 1 |
| #27 | Rick Fogle | 1 |
| #28 | Robert J. Pristas | 1 |
| #29 | Robert L. Zimmerman | 1 |
| #30 | Stanley H. Frederick | 1 |
| #31 | William B. Goldsworthy | 1 |
| #32 | Charles D. Poellet | 1 |
| #33 | Charles Sugalski | 1 |
| #34 | William J. Granchi | 1 |
| #35 | Michel Liekens | 1 |
| #36 | Arthur M. Kepler | 1 |