Showing 1–12 of 12 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Calvin F. Sprinkle | Porcelain Metals Corporation | 12 |
| 2 | John K. Schleicher | Accuratio Systems | 3 |
| 3 | Scott Boyer | Tecumseh Products | 2 |
| 3 | Charles Ball | Daimlerchrysler Ag | 2 |
| 3 | Samantha Sargent | Sud Chemie | 2 |
| 3 | Brandon Koetter | — | 2 |
| #7 | Jeffrey B. Hunt | — | 1 |
| #7 | Ray L. Horine | — | 1 |
| #7 | Thomas C. Koetter | — | 1 |
| #7 | Hollis S. Chepa | — | 1 |
| #7 | Charles A. Knauer | Goodrich | 1 |
| #7 | Joel Embry | — | 1 |
Part of Indiana