Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
Home › Cities › Delaware › Dover, DE

Dover, DE All Time

1,050 patents  ·  234 inventors  ·  26.6/1k pop.

Ranked #2,908 of 112,640 cities Top 3%

Dover, DE ranks #2,908 worldwide for total patents filed all time, with 1,050 patents from 234 inventors. Leading employers of inventors based in Dover, DE include Medtronic, Symyx Technologies, Dentsply Sirona. That works out to 26.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 234 inventors

Rank Inventor Primary Company Patents
1 Carl D. Wahlstrand Medtronic 120
2 James Bennett Symyx Technologies 46
3 Paul Pierson Dentsply Sirona 27
3 Thomas M. Huber Edgecraft 27
#5 Eugene Dougherty Rohm And Haas 25
#6 Jacob Zerby Ffi Ionix Ip 22
#7 Eric Stern Selux Diagnostics 21
#8 Christopher Turner IBM 19
#9 Noureddine Melikechi Newphotonics 17
#10 Ryan Lester Cyph 15
#10 Yue Yuan Duro Industries 15
#12 Larry N. McAllister Metal Masters Foodservice Equipment Co. 14
#12 Jay H. Katcher General Foods Limited 14
#14 Chin-Teh Huang Dentsply Research And Development 13
#14 William Parmelee — 13
#14 Wayne D. Melvin Playtex Products 13
#14 Todd Sack Becton, Dickinson And 13
#14 Jamshid Rejai Playtex Products 13
#14 Jean Lee Cytec Technology 13
#20 Kewang Lu Dentsply Research And Development 12
#20 Bryant Zadegan Cyph 12
#20 Peter Eli YOO Synchron Australia Pty Limited 12
#20 Huaibing Liu Dentsply International 12
#24 Tony R. McKee Ilc Dover Ip 10
#24 Travis Morgan Stryker 10
#24 George Jarmon Playtex Products 10
#27 William L. Bartz, Jr. Metal Masters Foodservice Equipment Co. 9
#27 Swagata R. Banerjee 3M 9
#27 Richard G. Thomas JPMorgan Chase 9
#30 Robert C. Norquest Playtex Products 8
#30 Ronald P. Wauters General Foods Limited 8
#30 John Haughey 4198638 Canada 8
#33 Mario Ascander Colon Electrolux Home Products 7
#33 Chuanlei Xu — 7
#33 David N. Evans General Foods Limited 7
#33 Kenneth Donald Hobbs Markel 7
#33 John K. Boland, II AT&T 7
#33 Guy Coker Line 6 7
#33 Jesus Aragon Identy 7
#33 Hardik Gupta Identy 7
#33 Xin Huo Dentsply International 7
#33 Charles Ralph Sandy Ilc Dover Lp 7
#33 David Conant Synthego 7
#44 Xiao Qing Ma Sun Yat-Sen University 6
#44 Marcus J. Carey Reliaquest Holdings 6
#44 Evan Schnell Medtronic 6
#44 Shenyi Wang Cleveland State University 6
#44 Jiaxin Xu Changchun Institute Of Optics, Fine Mechanics And Physics, Chinese Academy Of Sciences 6
#44 Richard M. Wiernicki International 6
#50 William J. Horan Air Products And Chemicals 5

Part of Delaware

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