Top Inventors at Manchem Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Frank S. Holland | 5 |
| 2 | John H. W. Turner | 3 |
| 3 | Philip Tate | 2 |
| #4 | Gary Baker | 1 |
| #5 | John J. Curran | 1 |
| #6 | John Prince | 1 |
| #7 | Peter Womersley | 1 |
| #8 | Raymond C. Cass | 1 |
| #9 | Samuel E. Harson | 1 |
| #10 | William K. H. Lakin | 1 |