Top Inventors at Placon All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | Donald E. McCumber | 20 |
| 2 | Rodney D. Borst | 13 |
| 3 | Michael T. Robl | 4 |
| #4 | Thomas J. Mohs | 3 |
| #5 | Jeffrey S. Baillies | 2 |
| #6 | Pierce J. Peterson | 2 |
| #7 | Scott A. Behner | 2 |
| #8 | Charles Austen Angell | 1 |
| #9 | David C. Boyer | 1 |
| #10 | Daniel C. Herr | 1 |
| #11 | Daniel F. Mohs | 1 |
| #12 | Daniel C. Wilson | 1 |
| #13 | Joe Reimer | 1 |
| #14 | Lewis D. Lee | 1 |
| #15 | Michael J. Motl | 1 |
| #16 | Nirav Narendra Desai | 1 |
| #17 | Richard C. Engel | 1 |
| #18 | Scott M. Niesen | 1 |