Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Windsor, CT ranks #1,157 worldwide for total patents filed in 2020, with 132 patents from 54 inventors. Leading employers of inventors based in Windsor, CT include RTX (Raytheon), Cidra Corporate Services, Hamilton Sundstrand.

Showing 1–50 of 54 inventors

Rank Inventor Primary Company Patents
1 Michael G. McCaffrey RTX (Raytheon) 27
2 Jesse M. Chandler RTX (Raytheon) 16
3 Brian P. Cigal RTX (Raytheon) 5
3 Paul J. Rothman Cidra Corporate Services 5
#5 Brian R. Shea Hamilton Sundstrand 4
#5 Christopher McAuliffe Hamilton Sundstrand 4
#5 William F. Smith Sharp Kabushiki Kaisha 4
#5 George Q. Zhang Abb Schweiz Ag 4
#9 James F. Wiedenhoefer RTX (Raytheon) 3
#9 Miguel Angel Torres Hamilton Sundstrand 3
#9 John M. Dehais Hamilton Sundstrand 3
#12 Allan Gunn Ferry GE 2
#12 James B. Coffin RTX (Raytheon) 2
#12 Andre Herman Troughton RTX (Raytheon) 2
#12 Jeffry K. Kamenetz Hamilton Sundstrand 2
#12 August M. Coretto Hamilton Sundstrand 2
#12 Ethan Fontaine Materion 2
#12 Brandon L. Calavan Covidien Lp 2
#12 James A. Madison Hartford Fire Insurance 2
#12 Jeremy M. Strange Hamilton Sundstrand 2
#12 Barbara M. Peyton Hamilton Sundstrand 2
#12 Abdelrahman I. Elsherbini Hamilton Sundstrand 2
#23 Diane G. Drew Hamilton Sundstrand 1
#23 Ramin M. Rafatpanah RTX (Raytheon) 1
#23 Kevin M. Rankin Hamilton Sundstrand 1
#23 Ray Small 1
#23 John Childs Lewis GE 1
#23 Antony J. Giunta RTX (Raytheon) 1
#23 Thomas O. Harris Hamilton Sundstrand 1
#23 Carl R. Verner RTX (Raytheon) 1
#23 Vernon Seguin Coherent 1
#23 Jan Amir Khan Emcore 1
#23 Scott M Jennie 1
#23 Gregory John Quinn Hamilton Sundstrand 1
#23 Jean Camille Lu Ersando Covidien Lp 1
#23 Anthony Gaddy Covidien Lp 1
#23 Todd D. Hellewell Combustion Engineering 1
#23 Joseph Novak Wolverine Outdoors 1
#23 Peter T. Bothwell Hartford Fire Insurance 1
#23 Paul J. Chapman GE 1
#23 Leroy D. Emmerthal The Travelers Indemnity 1
#23 Kevin Howe Black & Decker 1
#23 Chang Yu Sun Xiaomi 1
#23 Steven Ernest Jacobs Vehicle Systems 1
#23 Toby D. Hain Baker Hughes Holdings 1
#23 Ryan Prescott Susca Hamilton Sundstrand 1
#23 Ann S. Tuttle The Travelers Indemnity 1
#23 Christopher John Wilke Smith & Wesson 1
#23 Susan D. Pouliot Hartford Fire Insurance 1
#23 Robert L. Hazzard RTX (Raytheon) 1

Part of Connecticut