Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Unionville, CT ranks #4,833 worldwide for total patents filed in 2021, with 22 patents from 14 inventors. Leading employers of inventors based in Unionville, CT include Otis Elevator, Hamilton Sundstrand, RTX (Raytheon).

Showing 1–14 of 14 inventors

Rank Inventor Primary Company Patents
1 Stephen R. Nichols Otis Elevator 4
2 Marcin Wroblewski Otis Elevator 3
3 Wei-Lin Cho Hamilton Sundstrand 2
3 Hung Duong RTX (Raytheon) 2
3 Fumitaka Ichihashi RTX (Raytheon) 2
#6 Elizabeth P. Norwood Zynon Technologies 1
#6 Gongxue Hua Coherent 1
#6 Leslie C. Watterson Otis Elevator 1
#6 Viorel Ontalus IBM 1
#6 Bruce St. Pierre Otis Elevator 1
#6 Aaron Engel 1
#6 Elizabeth Monique Collins-Mashkovich Hartford Fire Insurance 1
#6 Scott Kahoun Arris Enterprises 1
#6 Eric A. Knight 1

Part of Connecticut