Top Inventors at Process Systems International All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Anker Gram | 4 |
| 2 | Richard Hopewell | 2 |
| 3 | John W. Bonn | 1 |
| #4 | John V. O'Brien | 1 |
| #5 | Robert A. Wojnarowski | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Anker Gram | 4 |
| 2 | Richard Hopewell | 2 |
| 3 | John W. Bonn | 1 |
| #4 | John V. O'Brien | 1 |
| #5 | Robert A. Wojnarowski | 1 |