Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Windsor, CT ranks #1,790 worldwide for total patents filed all time, with 1,851 patents from 311 inventors. Leading employers of inventors based in Windsor, CT include RTX (Raytheon), Hamilton Sundstrand, Cidra Corporate Services.

Showing 1–50 of 311 inventors

Rank Inventor Primary Company Patents
1 Michael G. McCaffrey RTX (Raytheon) 195
2 Jesse M. Chandler RTX (Raytheon) 115
3 Christopher McAuliffe Hamilton Sundstrand 74
#4 Ryan Prescott Susca Hamilton Sundstrand 53
#5 Paul J. Rothman Cidra Corporate Services 45
#6 Carl R. Verner RTX (Raytheon) 44
#7 William F. Smith Sharp Kabushiki Kaisha 43
#8 James F. Wiedenhoefer RTX (Raytheon) 39
#8 James B. Coffin RTX (Raytheon) 39
#10 Haoran Hu Eaton 34
#11 Brian P. Cigal RTX (Raytheon) 29
#12 Daniel J. Mathieu K.W. Muth Company 28
#13 Michael Zager Hamilton Sundstrand 24
#14 James A. Madison Hartford Fire Insurance 22
#15 Vernon Seguin Coherent 21
#15 George Q. Zhang Abb Schweiz Ag 21
#17 John M. Dehais Hamilton Sundstrand 20
#17 August M. Coretto Hamilton Sundstrand 20
#19 Jonathan Jay Feinstein Zoneplow Reactor Technologies 19
#20 George Nicholas Lauri, III Electrolux Home Products 17
#20 Kevin M. Rankin Hamilton Sundstrand 17
#22 Colin Elston Weyerhaeuser Nr 16
#22 Gregory John Quinn Hamilton Sundstrand 16
#22 Brian R. Shea Hamilton Sundstrand 16
#25 Ahmad M. Mahmoud Carrier 15
#26 Kenneth A. Martin Combustion Engineering 14
#26 Esteban Santos GE 14
#26 Barbara M. Peyton Hamilton Sundstrand 14
#29 Gregory Hanlon Perkinelmer Health Sciences 13
#29 Paul J. Chapman GE 13
#29 Allan Gunn Ferry GE 13
#32 Jeremy M. Strange Hamilton Sundstrand 12
#32 Paul James Sony 12
#32 Steven Ernest Jacobs Vehicle Systems 12
#35 Abdelrahman I. Elsherbini Hamilton Sundstrand 11
#35 Jeffry K. Kamenetz Hamilton Sundstrand 11
#35 Diane G. Drew Hamilton Sundstrand 11
#35 Todd D. Hellewell Combustion Engineering 11
#35 Kermit I. Harner RTX (Raytheon) 11
#40 William A. Tice Tice Engineering And Sales 10
#40 William D. Owen RTX (Raytheon) 10
#40 Anthony Gaddy Covidien Lp 10
#40 James J. Simon Cisco 10
#40 Nils Jacobson Nufern 10
#45 Andrew Hamilton Coward Meta 9
#45 Roman Chadshay Combustion Engineering 9
#45 Peter M. Walsh Disney 9
#45 Sin Chien Siw Siemens Energy Global 9
#45 Brian Vines Ab Electrolux 9
#45 Andrew W. Solomon Hamilton Sundstrand 9

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