Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ellington, CT ranks #1,725 worldwide for total patents filed in 2021, with 78 patents from 29 inventors. Leading employers of inventors based in Ellington, CT include Hamilton Sundstrand, RTX (Raytheon), Abb Schweiz Ag.

Showing 1–29 of 29 inventors

Rank Inventor Primary Company Patents
1 Louis J. Bruno Hamilton Sundstrand 13
2 Joseph V. Mantese RTX (Raytheon) 12
3 Thomas A. Fuhlbrigge Abb Schweiz Ag 5
3 Scott D. Virkler RTX (Raytheon) 5
#5 Martin L. Spartz Mls Acq 4
#5 Justin M. Aniello RTX (Raytheon) 4
#5 Coy Bruce Wood RTX (Raytheon) 4
#5 Dmitriy B. Sidelkovskiy RTX (Raytheon) 4
#9 Anthony S. Bonanno Mls Acq 3
#10 David W. Gerlach Carrier 2
#10 Jeffrey A. Eldridge Hamilton Sundstrand 2
#10 Anthony R. Bifulco RTX (Raytheon) 2
#10 Joshua Daniel Winn RTX (Raytheon) 2
#14 Andrew J. Thompson IBM 1
#14 James M. King HP 1
#14 Stanley E. Matczak Seals-It 1
#14 Nicholas Robert Peterson Clarcor Engine Mobile Solutions 1
#14 Xiaoyuan Chang Otis Elevator 1
#14 Sherif Kandil Carrier 1
#14 David Donald Chapdelaine RTX (Raytheon) 1
#14 Brent Giansanti Nordson 1
#14 Roopak Hooda Hartford Fire Insurance 1
#14 Richard Rusich Hamilton Sundstrand 1
#14 Jagadeswara Reddy Karra Hamilton Sundstrand 1
#14 Chandrasekhar V. Nori Doosan Fuel Cell America 1
#14 Steven Michael Danley RTX (Raytheon) 1
#14 Michael McAuliffe Scan-Optics 1
#14 John A. Schwemmer Hamilton Sundstrand 1
#14 Whitney Kline Hexcel 1

Part of Connecticut