Kentucky ranks #32 among US states for total patents filed all time, with 51,947 patents from 11,577 inventors across 408 cities. On a per-capita basis that is 11.5 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.
Top Cities in Kentucky All Time
| Rank | City | Patents | Inventors |
|---|---|---|---|
| #1 | Louisville, KY | 14,145 | 3,201 |
| #2 | Lexington, KY | 12,661 | 2,526 |
| #3 | Georgetown, KY | 1,586 | 281 |
| #4 | Bowling Green, KY | 1,358 | 245 |
| #5 | Crestwood, KY | 981 | 180 |
| #6 | Prospect, KY | 955 | 182 |
| #7 | Florence, KY | 860 | 184 |
| #8 | Nicholasville, KY | 796 | 149 |
| #9 | Versailles, KY | 738 | 150 |
| #10 | Winchester, KY | 615 | 107 |
| #11 | Covington, KY | 580 | 117 |
| #12 | Owensboro, KY | 528 | 139 |
| #13 | Elizabethtown, KY | 459 | 99 |
| #14 | Burlington, KY | 455 | 89 |
| #15 | Independence, KY | 447 | 82 |
| #16 | Richmond, KY | 400 | 117 |
| #17 | Danville, KY | 381 | 100 |
| #18 | Ashland, KY | 374 | 96 |
| #19 | Paducah, KY | 354 | 122 |
| #20 | Bellevue, KY | 310 | 26 |
| #21 | Newport, KY | 302 | 45 |
| #22 | Shelbyville, KY | 297 | 84 |
| #23 | Fort Thomas, KY | 291 | 51 |
| #24 | Morganfield, KY | 287 | 94 |
| #25 | Stanton, KY | 277 | 87 |