Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Delaware ranks #36 among US states for total patents filed in 2024, with 1,245 patents from 692 inventors across 33 cities. On a per-capita basis that is 1.3 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Delaware 2024

Rank City Patents Inventors
#1 Wilmington, DE 543 297
#2 Nonatum Mills, DE 166 72
#3 Newark, DE 133 98
#4 Hockessin, DE 93 54
#5 Middletown, DE 64 31
#6 Bear, DE 55 33
#7 Dover, DE 51 31
#8 Claymont, DE 42 11
#9 New Castle, DE 17 14
#10 Georgetown, DE 15 1
#11 Lewes, DE 13 10
#12 Smyrna, DE 7 6
#13 Townsend, DE 7 4
#14 Newport, DE 5 4
#15 Millsboro, DE 5 4
#16 Centreville, DE 4 1
#17 Harrington, DE 4 3
#18 Montchanin, DE 3 1
#19 Seaford, DE 2 2
#20 Clayton, DE 2 1
#21 Milton, DE 2 2
#22 Bald Eagle Village, DE 1 1
#23 Hickory Ridge, DE 1 1
#24 Knowles Crossroads, DE 1 1
#25 Garton Development, DE 1 1

Top Inventors in Delaware 2024

Rank Inventor City Company Patents
1 Jonathan E. Abbott Wilmington Milwaukee Electric Tool 16
2 Yigang He Nonatum Mills Wuhan University 15
2 Bamdad Bahar Georgetown Ffi Ionix Ip 15
#4 Sandor Kovacs Middletown Meso Scale Technologies, Llc. 14
#4 Zhuo Chen Claymont Convida Wireless 14
#6 Liangxing Wu Wilmington Incyte 13
#6 Matthew A. Johnson Nonatum Mills Denso International America 13
#6 David Luo Nonatum Mills Dcstar 13
#9 Wei Song Wilmington Qualcomm 12
#10 Sheng Peng Hockessin The Chemours Company Fc 11
#11 Jiacheng Zhou Nonatum Mills Incyte 10
#12 Patrick J. G. Bowers Hockessin Wonderland Switzerland Ag 7
#12 Xin Li Claymont Jiangsu Hengrui Medicine Co. 7
#12 Oleg Vechorkin Wilmington Incyte 7
#12 Tie Q. Wei Wilmington Siemens Healthcare Diagnostics 7
#12 Pingli Liu Wilmington Incyte 7
#12 Le Zhao Wilmington China Petroleum & Chemical 7
#12 Qiong Cheng Wilmington E.I. Du Pont De Nemours And 7
#12 Yongchun Pan Wilmington Incyte 7
#20 Anthony Wright Wilmington Glowforge 6
#20 Nikoo Falahatpisheh Wilmington Incyte 6
#20 Stacey Shepard Wilmington Incyte 6
#20 Chao Qi Wilmington Incyte 6
#20 David Christopher CAREY Middletown JPMorgan Chase 6
#20 Janusz Murakowski Bear Phase Sensitive Innovations 6

← All States   ·   All Cities →