Showing 1–5 of 5 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Bobby Ray McKinney | The Heil | 2 |
| 1 | Thomas Robert Norquist | Playcore Wisconsin | 2 |
| 3 | Jeffrey Orebaugh | — | 1 |
| 3 | Eric R. Evans | Weatherford Technology Holdings | 1 |
| 3 | Charles Lebron Griffith, IV | Playcore Wisconsin | 1 |
Part of Alabama