Kentucky ranks #31 among US states for total patents filed in 2018, with 1,817 patents from 1,088 inventors across 140 cities. On a per-capita basis that is 0.4 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Kentucky 2018
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Louisville, KY | 444 | 273 |
| #2 | Lexington, KY | 412 | 255 |
| #3 | Georgetown, KY | 71 | 35 |
| #4 | Bowling Green, KY | 69 | 27 |
| #5 | Crestwood, KY | 49 | 26 |
| #6 | Florence, KY | 47 | 35 |
| #7 | Prospect, KY | 34 | 16 |
| #8 | Bellevue, KY | 32 | 2 |
| #9 | Nicholasville, KY | 30 | 19 |
| #10 | Winchester, KY | 26 | 12 |
| #11 | Covington, KY | 25 | 15 |
| #12 | Newport, KY | 23 | 8 |
| #13 | Versailles, KY | 23 | 17 |
| #14 | Richmond, KY | 21 | 16 |
| #15 | Independence, KY | 21 | 16 |
| #16 | Elizabethtown, KY | 20 | 13 |
| #17 | Fort Thomas, KY | 18 | 6 |
| #18 | Owensboro, KY | 18 | 16 |
| #19 | Henderson, KY | 16 | 5 |
| #20 | Burlington, KY | 15 | 8 |
| #21 | Walton, KY | 15 | 7 |
| #22 | Whitesville, KY | 13 | 2 |
| #23 | La Grange, KY | 12 | 5 |
| #24 | Mount Washington, KY | 11 | 5 |
| #25 | Park Lake, KY | 10 | 4 |