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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Dover, DE ranks #2,977 worldwide for total patents filed in 2022, with 40 patents from 24 inventors. Leading employers of inventors based in Dover, DE include Ffi Ionix Ip, Selux Diagnostics, Cyph. That works out to 1.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–24 of 24 inventors

Rank Inventor Primary Company Patents
1 Jacob Zerby Ffi Ionix Ip 5
2 Eric Stern Selux Diagnostics 4
3 William Parmelee 3
#4 Bryant Zadegan Cyph 2
#4 Yue Yuan Duro Industries 2
#4 Harish Opadrishta Ffi Ionix Ip 2
#4 Jesus Aragon Identy 2
#4 Shenyi Wang Cleveland State University 2
#4 David Conant Synthego 2
#4 Ryan Lester Cyph 2
#11 Paul Pierson Dentsply Sirona 1
#11 William J. Horan Air Products And Chemicals 1
#11 Earle Hines 1
#11 Darragh McDermott 1
#11 Naser Rahman Paragon 28 1
#11 Todd Sack Becton, Dickinson And 1
#11 Pethaperumal Narayanasamy JPMorgan Chase 1
#11 James Bennett Symyx Technologies 1
#11 Patrick LaFontaine 1
#11 M. R. Levin 1
#11 Christopher E. LeMieux Innospec Limited 1
#11 Xiao Qing Ma Sun Yat-Sen University 1
#11 John Rayfield Leia 1
#11 Louis Edward Coleman 1

Part of Delaware