Top Inventors at Span Tech All Time
| Rank | Name | Patents |
|---|---|---|
| 1 | James L. Layne | 61 |
| 2 | Michael D. McDaniel | 23 |
| 3 | Stephen C. Fye | 23 |
| #4 | Scott Dayton Barbour | 15 |
| #5 | Mark Thomas Johnson | 13 |
| #6 | Wendell S. Bell | 11 |
| #7 | Lewis W. Ward | 8 |
| #8 | B. Keith Thomas | 7 |
| #9 | Aaron Cotton | 6 |
| #10 | Mark Russell | 4 |
| #11 | Savannah Bell | 4 |
| #12 | Otto Jorgen Draebel | 3 |
| #13 | Ervin Puskar | 2 |
| #14 | Jorgen Draebel | 2 |
| #15 | Andrew D. Dorisio | 2 |
| #16 | Brian Thomas | 1 |
| #17 | Michael Seiler | 1 |
| #18 | Nathan Lasley | 1 |
| #19 | Steve C. Fye | 1 |
| #20 | Melissa L. Craft | 1 |
| #21 | Ashok Anumula | 1 |