Top Inventors at The Hanna Mining All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Adolfo R. Zambrano | 5 |
| 2 | Colin D. Jardine | 2 |
| 3 | Rodney H. Coles | 2 |
| #4 | Sooi Chong | 2 |
| #5 | Stephen Hebb | 2 |
| #6 | William T. Rule | 2 |
| #7 | Barry J. Hansen | 1 |
| #8 | Dennis Chilcote | 1 |
| #9 | Virgil C. Rostvold | 1 |
| #10 | Donald J. Kaczyski | 1 |