Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Durham, CT ranks #3,057 worldwide for total patents filed in 2021, with 40 patents from 23 inventors. Leading employers of inventors based in Durham, CT include Thermo Fisher, Aps Technology, Covidien Lp. That works out to 10.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–23 of 23 inventors

Rank Inventor Primary Company Patents
1 David Marran Thermo Fisher 5
1 William Evans Turner Aps Technology 5
3 Steven H. Joyce Covidien Lp 3
3 Thomas Wenchell Covidien Lp 3
#5 Luc Tenthorey Unknown 2
#5 Kurt Zimmermann Bristol-Myers Squibb 2
#5 Graham Ryan Philbrick RTX (Raytheon) 2
#5 Christian V. O'Keefe Cidra Corporate Services 2
#5 Mark B. Gossner RTX (Raytheon) 2
#10 John Biesak Cidra Corporate Services 1
#10 Lionel David Rea 1
#10 Robert Guillemette Sikorsky Aircraft 1
#10 Richard Rothstein Boston Scientific Scimed 1
#10 Joseph W. Bridges, JR. RTX (Raytheon) 1
#10 Kenneth M. Boy Bristol-Myers Squibb 1
#10 Brian Lee Venables Bristol-Myers Squibb 1
#10 Jeremy Serini Oetiker Tool 1
#10 Nicholas G. Morganti RTX (Raytheon) 1
#10 Peter W. Gavin Polylok 1
#10 B. Narasimhulu Naidu Bristol-Myers Squibb 1
#10 James C. McCandless Edgewell Personal Care Brands 1
#10 Allison Zywiak RTX (Raytheon) 1
#10 W. Thomas Wallace 1

Part of Connecticut