Top Inventors at Ralph Mckay Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | William M. Johnson | 16 |
| 2 | Hartley F. Young | 11 |
| 3 | John L. Collins | 4 |
| #4 | Wally A. Remes | 3 |
| #5 | Ilmar Mere | 2 |
| #6 | Allan Timothy Lindsay | 2 |
| #7 | Hendrikus M. Verhoef, deceased | 1 |
| #8 | Richard R. Calusinski | 1 |
| #9 | William G. McGuire | 1 |
| #10 | Hendrikus M. Veroef | 1 |
| #11 | Harry Klaassens | 1 |
| #12 | Alan Lindsay | 1 |