Top Inventors at Coaltek All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Frederick Christopher Lang | 2 |
| 2 | Herbie L. Bullis | 2 |
| 3 | J. Michael Drozd | 2 |
| #4 | Jed A. Aten | 2 |
| #5 | Jerry L. Weinberg | 2 |
| #6 | Michael Druga | 2 |
| #7 | Neil E. Ginther | 2 |
| #8 | Ru T. Wang | 2 |
| #9 | Steven L. Lawson | 2 |
| #10 | Jan M. Surma | 1 |
| #11 | Robert T. Johnston | 1 |