Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ledyard, CT ranks #5,593 worldwide for total patents filed in 2021, with 18 patents from 9 inventors. Leading employers of inventors based in Ledyard, CT include Pfizer, Hyperfine Research, Thermo Fisher.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 John I. Trujillo Pfizer 4
1 William J. Mileski Hyperfine Research 4
3 James A. Ball Thermo Fisher 2
3 Goss S. Kauffman Forma Therapeutics 2
3 Ronald LaDuca Ags 2
#6 Andrew R. Peters Lincoln Global 1
#6 Justin Ian Montgomery Pfizer 1
#6 Ronald T. Wester Pfizer 1
#6 Christophe Philippe Allais Pfizer 1

Part of Connecticut