Top Inventors at Gropep Pty All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Francis John Ballard | 6 |
| 2 | Geoffrey Leonard Francis | 5 |
| 3 | John C. Wallace | 3 |
| #4 | Julian R. E. Wells | 3 |
| #5 | David Andrew Belford | 2 |
| #6 | Geoffrey Owen Regester | 2 |
| #7 | Leanna Christine Read | 2 |
| #8 | Paul Walton | 2 |
| #9 | Brian Gerard Luxford | 1 |
| #10 | Christopher Bagley | 1 |
| #11 | Christopher Goddard | 1 |
| #12 | F. John Ballard | 1 |
| #13 | Patricia V. Phelps | 1 |
| #14 | Phillip Clyde Owens | 1 |
| #15 | Roger Campbell | 1 |
| #16 | Robert King | 1 |
| #17 | John P. McMurty | 1 |
| #18 | Andrew Dunbar | 1 |