Top Inventors at Cambridge Positioning Systems Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Peter James Duffett-Smith | 23 |
| 2 | Robert Willem Rowe | 8 |
| 3 | Anthony Richard Pratt | 8 |
| #4 | Malcolm David MacNaughtan | 6 |
| #5 | Paul Hansen | 6 |
| #6 | James Brice | 5 |
| #7 | Christopher Ridgway Drane | 3 |
| #8 | Craig Andrew Scott | 3 |
| #9 | John Christopher Clarke | 3 |
| #10 | David Bartlett | 2 |
| #11 | Keith James Bruno Grainge | 2 |
| #12 | Murray Robert Jarvis | 2 |
| #13 | Simon David Hern | 2 |
| #14 | Ben Tarlow | 1 |
| #15 | Christopher J. Clarke | 1 |
| #16 | Guy Albert Graube | 1 |
| #17 | Nicolas Graube | 1 |
| #18 | Graham Woan | 1 |