Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wethersfield, CT ranks #1,342 worldwide for total patents filed in 2017, with 101 patents from 38 inventors. Leading employers of inventors based in Wethersfield, CT include Hamilton Sundstrand, Duro-Test, RTX (Raytheon). That works out to 3.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–38 of 38 inventors

Rank Inventor Primary Company Patents
1 Craig M. Beers Hamilton Sundstrand 13
2 Leo J. Veilleux, Jr. Hamilton Sundstrand 10
3 Peter J. Walsh Duro-Test 7
3 Gregory DiVincenzo Hamilton Sundstrand 7
#5 Steven D. Porter RTX (Raytheon) 6
#6 Gopal R. Krishnan Otis Elevator 5
#7 Michael J. Birnkrant Carrier 4
#8 Joel H. Wagner RTX (Raytheon) 3
#8 Shelton O. Duelm RTX (Raytheon) 3
#10 Gregory Di Vincenzo Hamilton Sundstrand 2
#10 Mark A. Stephens RTX (Raytheon) 2
#10 George Scott Copeland Otis Elevator 2
#10 Michael O'Keefe Premier Manufacturing Group 2
#10 Douglas D. Schumann, Jr. Hartford Fire Insurance 2
#10 Russell B. Witlicki RTX (Raytheon) 2
#10 Jeffrey J. Lienau RTX (Raytheon) 2
#10 John E. Kulesza 2
#10 Nimish Gandhi Stormtech 2
#10 Deborah A. Copes Bank of America 2
#10 Michael Gingrave Hartford Fire Insurance 2
#10 Armando Amador RTX (Raytheon) 2
#10 Thomas M. Ritter RTX (Raytheon) 2
#10 Eli Cole Warren RTX (Raytheon) 2
#24 Jerusalem Negash RTX (Raytheon) 1
#24 David O. Winkowski Cidra Corporate Services 1
#24 Christina S. Liebel RTX (Raytheon) 1
#24 Mark A. Foss RTX (Raytheon) 1
#24 Ziyou Xiong RTX (Raytheon) 1
#24 Sean Nolan RTX (Raytheon) 1
#24 Joseph Zacchio RTX (Raytheon) 1
#24 Shawn J. Gregg RTX (Raytheon) 1
#24 Christopher J. Hertel RTX (Raytheon) 1
#24 Yuk-Kwan Brian Yuen RTX (Raytheon) 1
#24 Thomas Gietzold Carrier 1
#24 Christopher R. Joe RTX (Raytheon) 1
#24 Henry H. Thayer RTX (Raytheon) 1
#24 Howard J. Liles Edison Nation Medical 1
#24 Wieslaw A. Chlus RTX (Raytheon) 1

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