Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Andover, CT ranks #5,593 worldwide for total patents filed in 2021, with 18 patents from 6 inventors. Leading employers of inventors based in Andover, CT include RTX (Raytheon), Hamilton Sundstrand, Henkel Ip & Holding Gmbh.

Showing 1–6 of 6 inventors

Rank Inventor Primary Company Patents
1 Brian D. Merry RTX (Raytheon) 8
2 Brian St. Rock Hamilton Sundstrand 6
3 Darren M. Smith RTX (Raytheon) 1
3 John Pfanstiehl 1
3 Gordon A. Perrett RTX (Raytheon) 1
3 Mary Palliardi Henkel Ip & Holding Gmbh 1

Part of Connecticut