Top Inventors at Altro Limited All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald Paul Gardner | 3 |
| 2 | Richard John Peace | 2 |
| 3 | Adrian John Shortland | 2 |
| #4 | Bernhard Jung | 1 |
| #5 | Edward J. Devine | 1 |
| #6 | Karen Alexandra Masters | 1 |
| #7 | Laura Yates | 1 |
| #8 | Martin David Callis | 1 |
| #9 | Oliver Fassauer | 1 |
| #10 | Shireen Bobat | 1 |
| #11 | Wilfried Spitz | 1 |