Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Litchfield, CT ranks #7,035 worldwide for total patents filed all time, with 336 patents from 81 inventors. Leading employers of inventors based in Litchfield, CT include Reebok International Limited, Unknown, Cree. That works out to 285.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 81 inventors

Rank Inventor Primary Company Patents
1 Matthew L. Phillips Reebok International Limited 46
2 William S. Lerner Unknown 20
3 Jeffrey S. Flynn Cree 16
#4 Robert C. Bauman Ford 15
#4 Abraham George AT&T 15
#4 Edward J. Brennan Ptc Aerospace 15
#7 Victor G. Reiling Lionel Trains 13
#7 John M. O'Neil Hamilton Sundstrand 13
#9 Glenn Carlin Crew Design Incorporated 11
#10 Frederick L. Bourne Sikorsky Aircraft 9
#10 Jeffrey MacDonald Gyrus Acmi 9
#12 Christopher Barnard Ripley Waste Repurposing International 7
#12 Michael Shea Pitney Bowes 7
#14 Donald A. Morin United States Surgical 6
#14 Joseph A. Juhas Ptc Aerospace 6
#14 Joel Doyon Synergy Research Group 6
#17 Donald E. Protzmann Chesebrough-Pond'S 5
#17 Malcolm J. Dodd Ptc Aerospace 5
#17 Richard L. Bouffard Eveready Battery Company 5
#20 Ward R. Cusati The Torrington 4
#20 Edward Brooke Crutchley Albea Services 4
#20 Robert Knox Bose 4
#20 Elbert R. Faust 4
#20 Robert G. Knowles Litton Systems 4
#20 Kirby B. Weik Koehler-Dayton 4
#26 Glenn DiCostanzo Fuelcell Energy 3
#26 Gerald G. Roraback, Jr. 3
#26 Karen G. Tandy Google 3
#26 Michael Garris Duracell 3
#26 James De Bisschop The Torrington 3
#26 Daniel R. Ferrara, Jr. Conair 3
#26 William G. Sprague Brunswick 3
#33 Hermann Daiber 2
#33 Carl J. Goodhouse Robertshaw Controls 2
#33 Timothy J. Carlson Aqua-Chem 2
#33 George David Easterbrook, Jr. Nasdaq Omx Group 2
#33 Dean P. Johnston Roller Bearing Company Of America 2
#33 Wendy Welshans 2
#33 Jody Doyon Fuelcell Energy 2
#33 Jedd Levine Bantam Pharmaceutical 2
#33 Charles H. Ackerman 2
#33 John Bongiorno Apple 2
#33 Theodore Harrison Garlick, Jr. Chesebrough-Pond'S Usa, Division Of Conopco 2
#33 Anthony Paradise 2
#33 William E. Dunn Simmonds Precision Products 2
#46 John Creedon 1
#46 Christopher A. Jeans 1
#46 Carl Edgar Rohde, II 1
#46 Richard A. Telman 1
#46 Thomas M. Francis The Torrington 1

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