Showing 1–8 of 8 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Lee R. Osborne | — | 8 |
| 2 | John J. Breedlove | Heintzmann | 6 |
| 3 | Donald C. Nelson | — | 4 |
| #4 | Danny E. Sparling | Suncoke Technology And Development | 3 |
| #5 | Norman B. Mullins | — | 2 |
| #6 | Jeff Looney | Long-Airdox | 1 |
| #6 | Ralph N. Blankenship | — | 1 |
| #6 | Rodney HOWERY | Heintzmann | 1 |
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