Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wethersfield, CT ranks #1,111 worldwide for total patents filed in 2019, with 138 patents from 48 inventors. Leading employers of inventors based in Wethersfield, CT include Hamilton Sundstrand, RTX (Raytheon), Otis Elevator. That works out to 5.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–48 of 48 inventors

Rank Inventor Primary Company Patents
1 Leo J. Veilleux, Jr. Hamilton Sundstrand 15
2 Steven D. Porter RTX (Raytheon) 10
3 Eli Cole Warren RTX (Raytheon) 6
3 Sheryl Brothers Otis Elevator 6
3 Russell B. Witlicki RTX (Raytheon) 6
3 Craig M. Beers Hamilton Sundstrand 6
3 Yuk-Kwan Brian Yuen RTX (Raytheon) 6
#8 Peter J. Walsh Duro-Test 5
#8 Michael J. Birnkrant Carrier 5
#8 Joel H. Wagner RTX (Raytheon) 5
#11 Michael O'Keefe Premier Manufacturing Group 4
#11 Ziyou Xiong RTX (Raytheon) 4
#11 Joseph Zacchio RTX (Raytheon) 4
#11 Shelton O. Duelm RTX (Raytheon) 4
#11 Mark A. Stephens RTX (Raytheon) 4
#11 Gopal R. Krishnan Otis Elevator 4
#17 Shawn J. Gregg RTX (Raytheon) 3
#18 Bradley T. Duelm RTX (Raytheon) 2
#18 Christopher J. Hertel RTX (Raytheon) 2
#18 Daniel C. Nadeau RTX (Raytheon) 2
#18 Douglas D. Schumann, Jr. Hartford Fire Insurance 2
#18 John Akin RTX (Raytheon) 2
#18 John E. Kulesza 2
#18 Jeffrey Ernst Hamilton Sundstrand 2
#18 Deborah A. Copes Bank of America 2
#18 Michael Gingrave Hartford Fire Insurance 2
#18 Armando Amador RTX (Raytheon) 2
#28 Bryan DesRoches Henkel Ip & Holding Gmbh 1
#28 James P. Chasse RTX (Raytheon) 1
#28 Charles R. Kleza Hamilton Sundstrand 1
#28 Paul R. Langdon The Travelers Indemnity 1
#28 Michael G. Polo 1
#28 Sara STRECKER MIT 1
#28 Gregory DiVincenzo Hamilton Sundstrand 1
#28 Christopher M. Hayes The Travelers Indemnity 1
#28 Jeffrey J. Lienau RTX (Raytheon) 1
#28 Sean Nolan RTX (Raytheon) 1
#28 Anthony Uccello 1
#28 Gregory Di Vincenzo Hamilton Sundstrand 1
#28 Joo Sub Rhee RTX (Raytheon) 1
#28 Brendan M. Lenz RTX (Raytheon) 1
#28 Henry H. Thayer RTX (Raytheon) 1
#28 Sandra Hiraprashad 1
#28 Wieslaw A. Chlus RTX (Raytheon) 1
#28 Arindam Guha Accenture Global Solutions Limited 1
#28 Nimish Gandhi Stormtech 1
#28 Thomas Gietzold Carrier 1
#28 Denise Hallisey Merit Medical Systems 1

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