Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Colchester, CT ranks #2,604 worldwide for total patents filed all time, with 1,186 patents from 154 inventors. Leading employers of inventors based in Colchester, CT include RTX (Raytheon), Gilmour, Hamilton Sundstrand. That works out to 252.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 154 inventors

Rank Inventor Primary Company Patents
1 Michael E. McCune RTX (Raytheon) 219
2 Joseph B. Staubach RTX (Raytheon) 101
3 David Mathieu Gilmour 75
#4 Haralambos Cordatos Hamilton Sundstrand 66
#5 Viktor Keller Callaway Golf 47
#6 Glenn Levasseur RTX (Raytheon) 44
#7 Donald W. Peters RTX (Raytheon) 35
#8 Richard P. Stevenson Covidien Lp 34
#9 Thomas J. Praisner RTX (Raytheon) 32
#10 Becky E. Rose RTX (Raytheon) 23
#11 Meggan Harris RTX (Raytheon) 22
#11 Duane C. McCormick Carrier 22
#13 Joseph P. Gardner Eveready Battery Company 20
#14 Phillip Alexander RTX (Raytheon) 17
#15 Paul Attridge RTX (Raytheon) 16
#16 Joseph C. Rampone Otis Elevator 13
#17 Seth J. Thomen RTX (Raytheon) 12
#17 Kalpendu J. Parekh RTX (Raytheon) 12
#17 Barry A. Cole Sinco 12
#17 M. Craig Maxwell Stanadyne Automotive 12
#21 Agnes Klucha RTX (Raytheon) 11
#21 Michael A. Kmetz RTX (Raytheon) 11
#23 Jesse C. Meyer RTX (Raytheon) 10
#23 David H. Hibner RTX (Raytheon) 10
#25 Billie W. Bunting RTX (Raytheon) 9
#25 Renee J. Jurek RTX (Raytheon) 9
#25 Angelo Arcaria Sargent Manufacturing 9
#28 Edward T. Leitkowski Jacobs Vehicle Systems 7
#28 Robert Simon 7
#28 Brian Thompson Agere Systems 7
#28 Thomas R. Hanlon RTX (Raytheon) 7
#32 Thane R. Hunt Liberating Technologies 6
#32 Gary D. Winch Carrier 6
#32 James Romanelli RTX (Raytheon) 6
#35 Albert H. McKibbin RTX (Raytheon) 5
#35 Robert A. Grelotti RTX (Raytheon) 5
#35 Brian Frederick Mooney GE 5
#35 Michael J. Madel RTX (Raytheon) 5
#35 Ronald T. Drost Carrier 5
#35 Michael L. Minto Thermo Fisher 5
#41 Daniel Rosen RTX (Raytheon) 4
#41 G. William Crouch 4
#41 Christopher Bonin Agrivida 4
#41 Donald Lerro General Dynamics Information Technology 4
#41 David W LaFlamme RTX (Raytheon) 4
#41 William W. Butcka Hamilton Sundstrand 4
#41 David L. Hageman Pfizer 4
#41 Frank J. Dobek, Jr. Fuelcell Energy 4
#41 Joel Rosiene General Dynamics Information Technology 4
#41 Robert P. Delisle RTX (Raytheon) 4

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