{"@context": "https://schema.org", "@type": "BreadcrumbList", "itemListElement": [{"@type": "ListItem", "position": 1, "name": "Home", "item": "https://www.patentleaderboard.com/"}, {"@type": "ListItem", "position": 2, "name": "2018", "item": "https://www.patentleaderboard.com/2018/"}, {"@type": "ListItem", "position": 3, "name": "Cities", "item": "https://www.patentleaderboard.com/2018/cities"}, {"@type": "ListItem", "position": 4, "name": "Connecticut", "item": "https://www.patentleaderboard.com/2018/state/connecticut"}, {"@type": "ListItem", "position": 5, "name": "Wethersfield, CT", "item": "https://www.patentleaderboard.com/2018/city/wethersfield-ct"}]}
Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Wethersfield, CT ranks #1,201 worldwide for total patents filed in 2018, with 111 patents from 43 inventors. Leading employers of inventors based in Wethersfield, CT include Hamilton Sundstrand, RTX (Raytheon), Otis Elevator. That works out to 4.1 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–43 of 43 inventors

Rank Inventor Primary Company Patents
1 Craig M. Beers Hamilton Sundstrand 22
2 Leo J. Veilleux, Jr. Hamilton Sundstrand 10
3 Steven D. Porter RTX (Raytheon) 9
#4 Joseph Zacchio RTX (Raytheon) 6
#5 Joel H. Wagner RTX (Raytheon) 5
#5 Yuk-Kwan Brian Yuen RTX (Raytheon) 5
#7 Sheryl Brothers Otis Elevator 4
#7 Russell B. Witlicki RTX (Raytheon) 4
#9 Shelton O. Duelm RTX (Raytheon) 3
#9 Peter J. Walsh Duro-Test 3
#11 James P. Chasse RTX (Raytheon) 2
#11 Eli Cole Warren RTX (Raytheon) 2
#11 Michael J. Birnkrant Carrier 2
#11 Jeffrey J. Lienau RTX (Raytheon) 2
#11 Ziyou Xiong RTX (Raytheon) 2
#11 Wieslaw A. Chlus RTX (Raytheon) 2
#11 Christopher J. Hertel RTX (Raytheon) 2
#18 Gregory Di Vincenzo Hamilton Sundstrand 1
#18 Scott A. Liljenberg Carrier 1
#18 Robert F. Murphy Alstom Technology 1
#18 Daniel C. Nadeau RTX (Raytheon) 1
#18 Bradley T. Duelm RTX (Raytheon) 1
#18 Mark A. Stephens RTX (Raytheon) 1
#18 George Scott Copeland Otis Elevator 1
#18 Shawn J. Gregg RTX (Raytheon) 1
#18 Douglas D. Schumann, Jr. Hartford Fire Insurance 1
#18 Larry Hines Sirrus 1
#18 Robert Frederick Murphy GE 1
#18 Michael O'Keefe Premier Manufacturing Group 1
#18 Gregory DiVincenzo Hamilton Sundstrand 1
#18 Anya R. Brunschwig Untied Technologies 1
#18 John Akin RTX (Raytheon) 1
#18 Michael Gingrave Hartford Fire Insurance 1
#18 Gopal R. Krishnan Otis Elevator 1
#18 Armando Amador RTX (Raytheon) 1
#18 Keith David Miller Amazon 1
#18 Robert D. Klapatch Hamilton Sundstrand 1
#18 Thomas Gietzold Carrier 1
#18 Christopher R. Joe RTX (Raytheon) 1
#18 Jon Hulse Sargent Manufacturing 1
#18 Scott L. Peterson RTX (Raytheon) 1
#18 Nimish Gandhi Stormtech 1
#18 John E. Kulesza 1

Part of Connecticut