Top Inventors at Ritchie Industries All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Gerald L. Knief | 5 |
| 2 | Jerry D. Peterson | 5 |
| 3 | Michael R. Gerbo | 4 |
| #4 | Daryl Hertema | 1 |
| #5 | David J. Vavra | 1 |
| #6 | Eric David Sieverding | 1 |
| #7 | Larry Cole | 1 |
| #8 | Leland G. Wiseman | 1 |
| #9 | Robert John Amundson | 1 |
| #10 | Tad D. Upah | 1 |
| #11 | Warren E. Bishop | 1 |