Showing 1–11 of 11 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | John Forrest Smith | The Heil | 5 |
| 2 | Eric R. Evans | Weatherford Technology Holdings | 4 |
| 2 | Thomas Robert Norquist | Playcore Wisconsin | 4 |
| #4 | Ricardo Castano Salinas | The Heil | 2 |
| #4 | Garrett Eckerl | The Heil | 2 |
| #6 | Sam Smith | Playcore Wisconsin | 1 |
| #6 | Bobby Ray McKinney | The Heil | 1 |
| #6 | Brian Henry | Playcore Wisconsin | 1 |
| #6 | Lee Cross | Unl Holdings | 1 |
| #6 | Daniel Joseph Watkins | Nucor | 1 |
| #6 | Samuel G. Smith | Par Industries | 1 |
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