Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bristol, CT ranks #2,686 worldwide for total patents filed in 2016, with 43 patents from 29 inventors. Leading employers of inventors based in Bristol, CT include Pfizer, RTX (Raytheon), Whelen Engineering Company. That works out to 0.7 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–29 of 29 inventors

Rank Inventor Primary Company Patents
1 Harry Howard Pfizer 7
2 Andrzej Ernest Kuczek RTX (Raytheon) 3
2 Tony Gerardo Whelen Engineering Company 3
2 Lee Drozdenko RTX (Raytheon) 3
#5 Jeff P. Tonon Sargent Manufacturing 2
#5 Thomas A. Stoklasek University Of Connecticut 2
#7 Kathleen Crispino 1
#7 Todd W. Pflugbeil Mott 1
#7 Douglas Alvan Nickerson GE 1
#7 Jocelyn C. Michaud Smiths Medical Asd 1
#7 Steven Kerins Aetna 1
#7 Catherine Gibson 1
#7 Herbert Kleinegger Midsun Group 1
#7 Steven A. Avritch Hamilton Sundstrand 1
#7 James Spaulding General Motors 1
#7 William Addison Smith University Of Connecticut 1
#7 Jamie A. Rivera Otis Elevator 1
#7 James P. Detweiler Thule Sweden Ab 1
#7 Marie McQueeney 1
#7 Wayne Zadrick Ecoservices 1
#7 Robb Janak Jacobs Vehicle Systems 1
#7 Joseph R. Martone 1
#7 Jason Edward Harmon GE 1
#7 Anthony Calderoni Covidien Lp 1
#7 Kanwalpreet Reen Hamilton Sundstrand 1
#7 Andrzei E. Kuczek RTX (Raytheon) 1
#7 Christopher Alan Cayer Dymax 1
#7 Susan L. Levandoski Henkel Loctite 1
#7 James Bugryn Carling Technologies 1

Part of Connecticut