Top Inventors at Perpetuum All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Stephen Roberts | 14 |
| 2 | Adam Wasenczuk | 8 |
| 3 | Roy Freeland | 5 |
| #4 | David Robert Vincent | 4 |
| #5 | Behrooz Chini | 2 |
| #6 | Giles Stanley | 1 |
| #7 | Guy James Rushton | 1 |
| #8 | John Morgan | 1 |
| #9 | John Parker | 1 |
| #10 | Keith Dobson Dawkins | 1 |
| #11 | Michael Allum | 1 |
| #12 | Neil White | 1 |
| #13 | Paul Roberts | 1 |
| #14 | Thomas Benoit Julien Mouille | 1 |
| #15 | Andrew Paul Pevy | 1 |