Delaware All Time

41,209 patents  ·  7,163 inventors  ·  77 cities

Ranked #34 of 54 US states Top 65%

Top Cities in Delaware All Time

Rank City Patents Inventors
#1 Berlin, DE 38,503 9,709
#2 Wilmington, DE 19,977 3,182
#3 Cologne, DE 12,544 2,484
#4 Mannheim, DE 10,553 2,032
#5 Newark, DE 7,764 1,550
#6 Krefeld, DE 6,329 1,105
#7 Jena, DE 6,326 1,495
#8 Frankfurt, DE 5,854 1,302
#9 Essen, DE 5,841 1,594
#10 Hockessin, DE 4,240 555
#11 Middletown, DE 1,720 298
#12 Nonatum Mills, DE 1,541 198
#13 Bear, DE 1,296 286
#14 Dover, DE 1,037 234
#15 Willich, DE 774 215
#16 New Castle, DE 687 179
#17 Claymont, DE 581 95
#18 Hsinchu, DE 560 6
#19 Lewes, DE 323 75
#20 Seaford, DE 313 80
#21 Shanghai, DE 245 13
#22 Townsend, DE 242 36
#23 Suwon-si, DE 211 2
#24 Aurich, DE 188 1
#25 Incheon, DE 182 2

Top Inventors in Delaware All Time

Rank Inventor City Company Patents
1 David R. Wooten, Jr. Middletown Monsanto Technology 248
2 Mark S. Payne Wilmington E.I. Du Pont De Nemours And 164
3 Richard A. Davis Wilmington Brunswick 157
#4 Leo Ernest Manzer Wilmington E.I. Du Pont De Nemours And 154
#5 Zhuo Chen Claymont Convida Wireless 131
#6 Carl D. Wahlstrand Dover Medtronic 120
#6 Eustathios Vassiliou Newark Rpc 120
#8 John Greer Elias Townsend Apple 117
#9 Velliyur Nott Mallikarjuna Rao Wilmington E.I. Du Pont De Nemours And 115
#10 Norman Herron Nonatum Mills E.I. Du Pont De Nemours And 112
#11 Liangxing Wu Wilmington Incyte 108
#12 Viacheslav A. Petrov Hockessin E.I. Du Pont De Nemours And 98
#13 Marc S. Newkirk Newark Lanxide Technology 95
#14 George Levitt Wilmington E.I. Du Pont De Nemours And 90
#15 Michael D. Potter Marydel Advanced Vision Technologies 89
#16 Stephen M. Allen Wilmington E.I. Du Pont De Nemours And 88
#16 Bamdad Bahar Georgetown Ffi Ionix Ip 88
#18 Matthew A. Johnson Nonatum Mills Denso International America 86
#19 Jeffrey Harwanko Wilmington Zenith Products 85
#19 Che-Hsiung Hsu Wilmington E.I. Du Pont De Nemours And 85
#19 Michael K. Aghajanian Wilmington Lanxide Technology 85
#22 Daniel D. Friel, Sr. Wilmington Edgecraft 84
#22 Andrew Edward Feiring Wilmington E.I. Du Pont De Nemours And 84
#22 Jiacheng Zhou Nonatum Mills Incyte 84
#25 Saverio Carl Falco Wilmington E.I. Du Pont De Nemours And 83

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