Top Inventors at Pii Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | David Paige | 4 |
| 2 | Christopher Envy | 3 |
| 3 | Paul Mundell | 3 |
| #4 | Peter Couchman | 3 |
| #5 | Michael Gibson | 2 |
| #6 | Robert Andrew Mercel | 2 |
| #7 | Brian Kenneth Campbell Jones | 1 |
| #8 | David Carl Maughan | 1 |
| #9 | Derek Smith | 1 |
| #10 | Eduardo Boada | 1 |
| #11 | Gary Brayson | 1 |
| #12 | Ian Smith | 1 |
| #13 | Ian Sowerby | 1 |
| #14 | Jeffrey Earle Sutherland | 1 |
| #15 | Peter Houldey | 1 |
| #16 | Ruediger Bauernschmitt | 1 |
| #17 | Thomas James Batzinger | 1 |
| #18 | Achim Hugger | 1 |