Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Middletown, DE ranks #1,884 worldwide for total patents filed all time, with 1,732 patents from 298 inventors. Leading employers of inventors based in Middletown, DE include Monsanto Technology, Basf Se, Meso Scale Technologies, Llc.. That works out to 74.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 298 inventors

Rank Inventor Primary Company Patents
1 David R. Wooten, Jr. Monsanto Technology 249
2 Konrad Knoll Basf Se 77
3 Sandor Kovacs Meso Scale Technologies, Llc. 55
#4 Stephen J. Agace Holtec International 50
#5 Kyle Brandenburg Brandywine Product Group International 49
#5 Glenn A. Walker Delphi Technologies 49
#7 Kirill Rivkin Seagate Technology 46
#8 Mark L. Robin Great Lakes Chemical 43
#9 Xiaoming Jin Dentsply Sirona 36
#10 Marty W. DeGroot Dow Global Technologies 35
#11 Eric B. Kmiec Thomas Jefferson University 31
#11 Ralph Thomas Baker E.I. Du Pont De Nemours And 31
#13 Graham Frank Howarth Mra Systems 25
#14 Gavin G. Spence Hercules 24
#14 Robert Jorgensen Playtex Products 24
#16 Richard A. Reynolds Church & Dwight Co. 22
#17 Shao-Tang Sun Hercules 20
#18 Brian Michael Roesch Butamax Advanced Biofuels 18
#19 Michael K. O'Brien Hercules 17
#20 David Christopher CAREY JPMorgan Chase 16
#20 David J. Hasse L'Air Liquide, Societe Anonyme Pour L'Etude Et L'Exploitation Des Procedes Georges Claude 16
#22 James P. White, III JPMorgan Chase 15
#23 Vladimir Sokolov Tlc Precision Wafer Technology 13
#23 David Phillip Cadogan Ilc Dover Lp 13
#23 Mark Sheehan JPMorgan Chase 13
#26 Matthew Van Hanehem Rohm And Haas Electronic Materials Cmp Holdings 12
#26 Keith H. Burlew Butamax Advanced Biofuels 12
#26 Robert D. Butler Apple 12
#29 John Randall Phillips Ineos Bio Limited 11
#29 Walter M. Kruse Ici Americas 11
#29 Marty J. Grant Emhart Glass Machinery Investments 11
#29 Ryan Scott Heller Bank of America 11
#33 Damian W. Ashmead Thermo Electron Scientific Instruments 10
#33 Hedley Davis Commodore Business Machines 10
#33 Louis Storace Incyte 10
#33 William A. Hunke Merck 10
#37 John K. Bard Hercules 9
#37 Lisa Edith Helberg E.I. Du Pont De Nemours And 9
#37 Fuming Sun Dentsply International 9
#37 Kim Ferrara Supercritical Fluid Technologies 9
#41 Erik William Perez E.I. Du Pont De Nemours And 8
#41 Sammye Elizabeth Traudt Agilent Technologies 8
#41 H. Lee Riley Bachmann Industries 8
#41 Michael A. Rossi Merck 8
#41 E. Allen LaRoche, Jr. Lanxide Technology 8
#41 James William Ashmead Actamax Surgical Materials 8
#41 Eric J. Evain Montell North America 8
#48 John Kun Hung Lin Ilc Dover Lp 7
#48 Dave CAREY JPMorgan Chase 7
#48 Carl A. Lukach Aqualon 7

Part of Delaware