Top Inventors at Petrofina Canada All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Laurier L. Schramm | 2 |
| 2 | Russell G. Smith | 2 |
| 3 | Gordon Lorenz | 1 |
| #4 | Ken Gehring | 1 |
| #5 | Lloyd W. Trevoy | 1 |
| #6 | Lubomyr M. Cymbalisty | 1 |
| #7 | Jan Wojno | 1 |
| #8 | Gustaaf Stipdonk | 1 |
| #9 | Alvin Maskwa | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Laurier L. Schramm | 2 |
| 2 | Russell G. Smith | 2 |
| 3 | Gordon Lorenz | 1 |
| #4 | Ken Gehring | 1 |
| #5 | Lloyd W. Trevoy | 1 |
| #6 | Lubomyr M. Cymbalisty | 1 |
| #7 | Jan Wojno | 1 |
| #8 | Gustaaf Stipdonk | 1 |
| #9 | Alvin Maskwa | 1 |