Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Kentucky ranks #32 among US states for total patents filed in 2022, with 1,826 patents from 1,035 inventors across 143 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 2022

Rank City Patents Inventors
#1 Louisville, KY 651 349
#2 Lexington, KY 311 196
#3 Bowling Green, KY 128 45
#4 Crestwood, KY 60 18
#5 Prospect, KY 50 23
#6 Georgetown, KY 46 23
#7 Owensboro, KY 28 20
#8 Florence, KY 22 16
#9 Versailles, KY 22 10
#10 Nicholasville, KY 20 10
#11 Independence, KY 19 12
#12 Winchester, KY 16 7
#13 Newport, KY 15 10
#14 Goshen, KY 15 4
#15 Elizabethtown, KY 14 9
#16 Union, KY 13 6
#17 Glasgow, KY 13 9
#18 Covington, KY 12 10
#19 Erlanger, KY 12 10
#20 Walton, KY 12 7
#21 Frankfort, KY 11 10
#22 Henderson, KY 11 6
#23 Fort Thomas, KY 10 7
#24 Burlington, KY 10 6
#25 Alvaton, KY 9 4

Top Inventors in Kentucky 2022

Rank Inventor City Company Patents
1 Paul Bryan Cadima Crestwood Haier Us Appliance Solutions 17
2 Ruigang Yang Lexington Baidu Online Network Technology (Beijing) Co. 15
3 Eric Scalf Louisville Midea Group Co. 13
3 Michael Goodman Schroeder Crestwood Haier Us Appliance Solutions 13
#5 Robert M. Digman Goshen Midea Group Co. 12
#5 Eric Scott Johnson Louisville The Procter & Gamble 12
#7 Jeffrey R. Hay Prospect Rdi Technologies 11
#7 Joel Boyer Louisville Midea Group Co. 11
#7 Richard W. Cowan Louisville Midea Group Co. 11
#7 Scott Blaise Tylicki Bowling Green Heathco 11
#11 Jon Mikalson Bishay Lexington Bardy Diagnostics 10
#11 Paul A. Spence Louisville Mitral Valve Technologies Sarl 10
#13 John Colvin Deaton Bowling Green Heathco 9
#13 Lionel V. Luu Bowling Green Heathco 9
#13 Kyle Edward Durham Louisville Haier Us Appliance Solutions 9
#13 Matthew R. Hunter Louisville Haier Us Appliance Solutions 9
#13 Randal Scott Williamson Georgetown Lexmark International 9
#18 Bassam Fawaz Louisville Midea Group Co. 8
#18 Gregory Alan Cavill Winchester Lexmark International 8
#18 Frank Castro Louisville Blue Sky Technologies 8
#18 Jonathan Aparicio Bowling Green Fruit Of The Loom 8
#18 James Richard Leemhuis Lexington Lexmark International 8
#18 Chad Holleman Bowling Green Fruit Of The Loom 8
#24 Patrick R. Lancaster, III Louisville Lantech.Com 7
#24 Troy Marshall Wright Louisville Haier Us Appliance Solutions 7

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