Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Groton, CT ranks #3,238 worldwide for total patents filed all time, with 933 patents from 198 inventors. Leading employers of inventors based in Groton, CT include Pfizer, Bend Reserch, Abbott. That works out to 99.4 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 198 inventors

Rank Inventor Primary Company Patents
1 Robert L. Dow Pfizer 66
2 Ravi M. Shanker Bend Reserch 48
3 Frederick J. Walker Pfizer 30
#4 Ernest S. Hamanaka Pfizer 28
#5 Rodney W. Stevens Pfizer 26
#6 Gene M. Bright Pfizer 24
#7 Edward F. Kleinman Pfizer 22
#8 Kazunari Nakao Pfizer 19
#8 Dahui Zhou Pfizer 19
#10 Jasjit S. Bindra Pfizer 17
#10 Ravi Kurukulasuriya Abbott 17
#12 Katherine E. Brighty Pfizer 15
#12 Richard Shultz Link-Belt Cranes, L.P., Lllp 15
#14 Berkeley W. Cue, Jr. Pfizer 14
#14 Kenneth Allan Perrie Mikohn Gaming 14
#14 Thomas H. Althuis Pfizer 14
#17 Elaine Greer Pfizer 12
#17 Conrad Santini Merck 12
#17 Michael E. Hendrick Pfizer 12
#17 Gonghua Pan Berlex Laboratories 12
#21 Vincent Mascitti Pfizer 11
#22 Liying Zhang Pfizer 10
#22 David Brown Pfizer 10
#24 Mihir Dineshkumar Parikh Pfizer 9
#24 Joseph E. Laptewicz, Jr. Schneider (Usa) 9
#24 Anthony Viggiano Shell Shock Technologies 9
#27 Carl J. Goddard Pfizer 8
#27 Stephen S. Massett Pfizer 8
#27 S. Edward Lee Pfizer 8
#27 Paul Bowles Ford 8
#27 Harry A. Watson, Jr. Pfizer 8
#27 Charles M. Frey Nordson 8
#27 Shawn Cabral Pfizer 8
#27 Kristin M. Lundy Pfizer 8
#35 Lance Davidow Harvard University 7
#35 Brian Johnson Cambridge Enterprise Limited 7
#35 Lee Fredrik Mazurek Unknown 7
#35 Lucille B. Laccetti Dekalb Genetics 7
#35 Terry G. Sinay Pfizer 7
#35 Victoria L. Cohan Pfizer 7
#35 Kenneth Chapman Invacare 7
#42 Michael Gozzo Otis Elevator 6
#42 Mary Shalane Regan US Dept of Homeland Security 6
#42 Thomas P. Naughton Sensormatic Electronics 6
#42 Sheryl A. Chambers Dekalb Genetics 6
#42 Andreas Coppi Plain Sight Systems 6
#42 Suman Luthra Pfizer 6
#42 Victor Stancovski Catelectric 6
#42 Loren Michael Price Pfizer 6
#50 Rodney E. Wells Howmedica 5

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