Top Inventors at Johnstone Pump All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert E. Wold | 3 |
| 2 | Michael DeFillipi | 2 |
| 3 | Thomas Brennan | 2 |
| #4 | Gregory D. Kremer | 1 |
| #5 | Kirk K. Rich | 1 |
| #6 | Steven M. Gnyp | 1 |
| #7 | Valenteen S. Lobanoff | 1 |
| Rank | Name | Patents |
|---|---|---|
| 1 | Robert E. Wold | 3 |
| 2 | Michael DeFillipi | 2 |
| 3 | Thomas Brennan | 2 |
| #4 | Gregory D. Kremer | 1 |
| #5 | Kirk K. Rich | 1 |
| #6 | Steven M. Gnyp | 1 |
| #7 | Valenteen S. Lobanoff | 1 |