Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | William S. Stewart | Phillips Petroleum | 28 |
| 2 | Ralph Waldo Whitfield, Jr. | The Heil | 17 |
| 3 | Kenneth H. Patrick | Black & Decker | 12 |
| #4 | David B. McFarland | Gadsden Coffee | 6 |
| #5 | James M. Guest | Mueller International | 5 |
| #5 | Anthony Scott Dobbins | AT&T | 5 |
| #7 | Holly Ladd | — | 3 |
| #7 | Donald Eugene Casteel | Davidson Textron | 3 |
| #9 | W. J. Walkley | — | 1 |
| #9 | Richard Stacy Weaver | — | 1 |
Part of Alabama