Top Inventors at Pa Knowledge Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David Edington | 2 |
| 2 | John Rippeth | 2 |
| 3 | Mark Robson Humphries | 2 |
| #4 | Michael Noble | 2 |
| #5 | Carys Eleri Lloyd | 1 |
| #6 | Craig Harvey Nelson | 1 |
| #7 | David John Hearne | 1 |
| #8 | Donald Bruce Atherton MacMichael | 1 |
| #9 | Jonathan Spencer Howells | 1 |
| #10 | John Poley | 1 |
| #11 | Kevin Deane | 1 |
| #12 | Nigel Harrison | 1 |
| #13 | Philip Seeney | 1 |
| #14 | Simon Kew | 1 |
| #15 | Andrew Thomas Chadwick | 1 |