Washington, IL ranks #4,401 worldwide for total patents filed in 2021, with 25 patents from 14 inventors. Leading employers of inventors based in Washington, IL include Caterpillar, Precision Planting, USDA. That works out to 1.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.
Showing 1–14 of 14 inventors
| Rank | Inventor | Primary Company | Patents |
|---|---|---|---|
| 1 | Philip Carl Spengler | Caterpillar | 5 |
| 2 | Ian Radtke | Precision Planting | 4 |
| 3 | Mircea Dumitru | Caterpillar | 2 |
| 3 | Terril Johnson | Caterpillar | 2 |
| 3 | Adam Nackers | Caterpillar | 2 |
| 3 | Eric James Johannsen | Caterpillar | 2 |
| #7 | Timothy L. Hand | Caterpillar | 1 |
| #7 | DeForest C. Gould, III | Caterpillar | 1 |
| #7 | Kraig M. Love | Caterpillar | 1 |
| #7 | Brent Tisserat | USDA | 1 |
| #7 | Joel H. Miller | Bose | 1 |
| #7 | Philip Wallstedt | Caterpillar | 1 |
| #7 | Stephen C. Nofsinger | Caterpillar | 1 |
| #7 | Skylar Clement | Natural Fiber Welding | 1 |
Part of Illinois