Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Simsbury, CT ranks #1,967 worldwide for total patents filed in 2021, with 68 patents from 44 inventors. Leading employers of inventors based in Simsbury, CT include Hubbell Incorporated, Otis Elevator, Abb Schweiz Ag.

Showing 1–44 of 44 inventors

Rank Inventor Primary Company Patents
1 Michael Tetreault Hubbell Incorporated 7
2 Harrison Daniels Otis Elevator 6
3 Sangeun Choi Abb Schweiz Ag 4
3 Paul M. D'Orlando Hamilton Sundstrand 4
#5 Jason Dionne Flodesign Sonics 3
#5 Gregory L. DeFrancesco Hamilton Sundstrand 3
#7 Douglas F. Melville, Jr. Bibo Barmaid 2
#7 Steven Unker GE 2
#7 Christopher A. Eckett RTX (Raytheon) 2
#10 John L. Warner RTX (Raytheon) 1
#10 Jake Rohrig Hamilton Sundstrand 1
#10 M. Gary Letscher Hartford Fire Insurance 1
#10 Christopher E. Smith UPS 1
#10 Shawn Stempinski The Wiremold 1
#10 Kristoffer Ridgeway Audi Ag 1
#10 ANTHONY VELLA University Of Connecticut 1
#10 Eric Ferguson Idevices 1
#10 Shui Yuan Carrier 1
#10 Sanguen Choi Abb Power Grids Switzerland Ag 1
#10 Paul H. Dolman RTX (Raytheon) 1
#10 William G. Papale, JR. Hamilton Sundstrand 1
#10 Mark Vignali Hamilton Sundstrand 1
#10 Jonathan Helitzer Hartford Fire Insurance 1
#10 Tamilselvan Samiappan Omg 1
#10 Michael H. Gattinger Aetna 1
#10 Kenneth D. Cornett Motorola 1
#10 Vinicius Marcilli Petroni Eaton Intelligent Power Limited 1
#10 Douglas F. Melville Unger Marketing International 1
#10 Gary George Brandt Ten Digit Communications 1
#10 Tulio A. Valdez MIT 1
#10 Sang Choi Abb Schweiz Ag 1
#10 Hope C McManus Hartford Fire Insurance 1
#10 Lauren Charlotte Elliott Hartford Fire Insurance 1
#10 Robert Perry Worldpay 1
#10 Sanjay Bajekal Quellan 1
#10 Rongguo Zhao Avintiv Specialty Materials 1
#10 Steven John PADULA BOE 1
#10 Yew Leong Otis Elevator 1
#10 Daniel Benjamin Mtu Aero Engines Ag 1
#10 William A. Sowa RTX (Raytheon) 1
#10 Giridhari L. Agrawal R&D Dynamics 1
#10 Gary M. Barch Bibo Barmaid 1
#10 Alexander T. Smith 1
#10 Matei Alexandru Jacobs Vehicle Systems 1

Part of Connecticut