Top Inventors at Middle Chart 2021
| Rank | Name | Patents |
|---|---|---|
| 1 | Jason E. Duff | 19 |
| 2 | Michael S. Santarone | 19 |
| 3 | Michael Wodrich | 19 |
| #4 | Randall B. Pugh | 15 |
| #5 | Frederick A. Flitsch | 4 |
| #6 | Fred Flitsch | 2 |
| #7 | Joseph P. Kincart | 1 |
| #8 | Kristen Santarone | 1 |
| #9 | Rebecca Kincart | 1 |