Top Inventors at Ropak All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Frano Luburic | 31 |
| 2 | Josef Bingisser | 6 |
| 3 | Dennis Willis | 3 |
| #4 | Ralph G. Perkins | 3 |
| #5 | C. Richard Roper | 2 |
| #6 | Norris B. McLean | 2 |
| #7 | David W. MacDonald | 1 |
| #8 | Dennis M. Foy | 1 |
| #9 | Franco Luburic | 1 |
| #10 | Joshua D. Urban | 1 |
| #11 | Kirk Samlalsingh | 1 |
| #12 | Robert R. Roper | 1 |
| #13 | Ron Sturk | 1 |
| #14 | Terrance Iker | 1 |
| #15 | David E. Baiuley | 1 |