Showing 1–10 of 10 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Ian Radtke | Precision Planting | 7 |
| 2 | Terril Johnson | Caterpillar | 6 |
| 3 | Eric James Johannsen | Caterpillar | 2 |
| 3 | Mircea Dumitru | Caterpillar | 2 |
| 3 | Philip Carl Spengler | Caterpillar | 2 |
| #6 | Brent Tisserat | USDA | 1 |
| #6 | Kraig M. Love | Caterpillar | 1 |
| #6 | Stephen C. Nofsinger | Caterpillar | 1 |
| #6 | James Siegle | Caterpillar | 1 |
| #6 | Joel H. Miller | Bose | 1 |
Part of Illinois