Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bethel, CT ranks #1,529 worldwide for total patents filed all time, with 2,202 patents from 305 inventors. Leading employers of inventors based in Bethel, CT include Covidien Lp, Duracell U.S. Operations, Pitney Bowes. That works out to 190.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 305 inventors

Rank Inventor Primary Company Patents
1 Keith L. Milliman Covidien Lp 153
2 David Farascioni Covidien Lp 86
3 Jordan Todorov Bourilkov Duracell U.S. Operations 54
#4 Douglas B. Quine Pitney Bowes 50
#5 Lee Griswold Sargent Manufacturing 42
#6 James V. McManus Advanced Technology & Materials Co. 40
#7 Thomas R. Hessler Covidien Lp 39
#8 Kathleen Ann Baker Duracell U.S. Operations 38
#8 Rama N. Singh IBM 38
#10 Philip S. H. Chen Entegris 37
#11 Marc A. Kaplan IBM 35
#12 Dan Moy IBM 33
#12 Nicola Cullinan Covidien Lp 33
#14 Douglas J. Cuny United States Surgical 32
#15 Michael B. Korzenski Advanced Technology & Materials Co. 31
#16 Steven G. Donnelly R.T. Vanderbilt Company 29
#17 Andrew Kurkjian Schlumberger Technology 28
#17 William W. Segiet PepsiCo 28
#19 Sergio Coronado Hortal Duracell U.S. Operations 26
#19 Paul M. Matchen IBM 26
#21 Ernest Corrao Cartiva 25
#21 Ernie Corrao Spinefrontier 25
#21 Herbert E. Petty Union Carbide 25
#24 Abdelkader Hilmi Fuelcell Energy 22
#25 Daniel M. Coffman IBM 21
#25 Joseph M. Daly Fuelcell Energy 21
#27 Prabhakar Singh Westinghouse Electric 20
#27 Kirtland P. Clark Ciba-Geigy 20
#27 Douglas D. Griffin Schlumberger Technology 20
#30 Robin A. Gardiner Advanced Technology & Materials Co. 18
#30 Tamer M. Nassar IBM 18
#30 Ronald L. Green Cardiofocus 18
#30 Aman Khan Magnecomp 18
#30 Charles Cywin BOE 18
#35 Jacques E. Hasbani Pitney Bowes 17
#35 William Jacobs, III Cytec Technology 17
#35 Ronald John Sorcek BOE 17
#38 Steven H. Macomber Hughes Aircraft 16
#38 Ho Yin Lo BOE 16
#40 John H. Eldridge Southern Research Institute 15
#40 Urs F. Nager, Jr. Burndy 15
#42 Joseph A. Hufnagel Imperial Schrade 14
#42 Brian Mackay Invensys Systems 14
#42 Rajashekhar Betageri BOE 14
#45 Edward Lakatos Applied Biosystems 13
#45 Rachel Rebecca Barrett BOE 13
#45 Frank Bedu-Addo Pds Biotechnology 13
#48 Kenneth A. Schulz Pitney Bowes 12
#49 Jeffrey W. Neuner Advanced Technology & Materials Co. 11
#49 Tatiana Jouanneau Duracell U.S. Operations 11

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