Top Inventors at Consolidation Coal All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Hayward B. Oblad | 6 |
| 2 | Michael G. Nelson | 6 |
| 3 | Gary F. Meenan | 4 |
| #4 | Richard E. Doerr | 4 |
| #5 | Stephen L. Bessinger | 4 |
| #6 | Ahmed A. El-Saie | 3 |
| #7 | David J. Podobinski | 2 |
| #8 | Francis A. May | 2 |
| #9 | Francis R. Vargo | 2 |
| #10 | George E. Wasson | 2 |
| #11 | Harry J. Brown | 2 |
| #12 | James E. Faix | 2 |
| #13 | Margaret A. Roberts | 2 |
| #14 | Michael L. Fenger | 2 |
| #15 | Peter Singleton | 2 |
| #16 | Robert Joseph Kaminsky, JR. | 2 |
| #17 | Thomas R. Miller | 2 |
| #18 | William J. Halvorsen | 2 |
| #19 | Will B. Jamison | 2 |
| #20 | David R. Hazen | 1 |
| #21 | Frederick A. Webb | 1 |
| #22 | Harley G. Pyles | 1 |
| #23 | James A. Devore | 1 |
| #24 | John F. Burr | 1 |
| #25 | John B. Riester | 1 |
| #26 | Kevin D. Dolinar | 1 |
| #27 | Michael B. McMillion | 1 |
| #28 | Muh Wu | 1 |
| #29 | Samuel E. Shrader | 1 |
| #30 | Terry Koontz | 1 |
| #31 | Thomas W. McCormick | 1 |
| #32 | Thomas Moore | 1 |
| #33 | Thomas D. Sandbrook | 1 |
| #34 | William G. Young | 1 |
| #35 | Larry Patts | 1 |
| #36 | Edward C. Rohde | 1 |
| #37 | Anthony G. Fonseca | 1 |