Top Inventors at Prutec Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | John Kelshaw Conway | 3 |
| 2 | Thomas W. Ottley | 3 |
| 3 | Claus Dahne | 2 |
| #4 | Richard Stephen Thom | 2 |
| #5 | Anthony F. Blaine | 2 |
| #6 | Charles E. Bryan | 1 |
| #7 | Donald R. Simon | 1 |
| #8 | Georges Revillet | 1 |
| #9 | John F. Place | 1 |
| #10 | Peter J. Bassett | 1 |
| #11 | Raymond W. Simpson | 1 |
| #12 | Ranald M. Sutherland | 1 |
| #13 | Robert C. Whelan | 1 |
| #14 | Timothy J. N. Carter | 1 |
| #15 | Vaclav Kirsner | 1 |
| #16 | William C. Nixon | 1 |
| #17 | Augustinus W. Verheijen | 1 |
| #18 | Alexander Speirs Laurie | 1 |