Top Inventors at Indresco All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Mark C. Langenohl | 5 |
| 2 | Dwight S. Whittemore | 4 |
| 3 | Lawrence D. Fitch | 3 |
| #4 | Robert A. Pennison | 3 |
| #5 | David R. Sundell | 2 |
| #6 | Edward L. Erny | 2 |
| #7 | Gustav O. Hughes | 2 |
| #8 | James T. Hughes | 2 |
| #9 | Mark R. Bentley | 2 |
| #10 | Richard E. Eckman | 2 |
| #11 | Richard J. Knauss | 2 |
| #12 | Robert N. Anderson | 2 |
| #13 | Stanley R. Pavlica | 2 |
| #14 | Stanley A. Smith | 2 |
| #15 | Walter D. Meloy | 2 |
| #16 | Albert L. Renkey | 2 |
| #17 | Christian Garceau | 1 |
| #18 | David J. Michael | 1 |
| #19 | George W. Bennett | 1 |
| #20 | Gustav G. Hughes | 1 |
| #21 | Howard M. Winkelbauer | 1 |
| #22 | Jean-Guy St-Hilaire | 1 |
| #23 | John N. Snyder | 1 |
| #24 | Kenneth A. McGowan | 1 |
| #25 | Maxime Leduc | 1 |
| #26 | Paul A. Biek | 1 |
| #27 | Robert M. Cullen | 1 |
| #28 | Victor M. Levenstein | 1 |
| #29 | William G. Slusser | 1 |
| #30 | Nicholas L. Pallotta | 1 |
| #31 | Don C. Splitstone | 1 |
| #32 | Harold F. Gallman | 1 |
| #33 | Vince Nudo | 1 |
| #34 | Albert J. Kachich | 1 |
| #35 | Andrew Burkhart | 1 |