Showing 1–9 of 9 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ellis K. Fields | Standard Oil Company (Indiana) | 10 |
| 2 | Joseph A. Armond | Electro-Matic Products | 2 |
| 3 | Charles S. Allen | Sloan Valve | 1 |
| 3 | John Cox | Transworld Drilling | 1 |
| 3 | Carl G. Eilers | Zenith Electronics | 1 |
| 3 | H. Kent Snyder, Jr. | Chicago Display | 1 |
| 3 | George R. Garvin | — | 1 |
| 3 | David B. Corkle | — | 1 |
| 3 | Alfred H. Gallagher | — | 1 |
Part of Illinois