Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Bristol, CT ranks #2,205 worldwide for total patents filed in 2021, with 59 patents from 34 inventors. Leading employers of inventors based in Bristol, CT include RTX (Raytheon), Hamilton Sundstrand, Covidien Lp. That works out to 1.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–34 of 34 inventors

Rank Inventor Primary Company Patents
1 Andrzej Ernest Kuczek RTX (Raytheon) 7
2 Steven A. Avritch Hamilton Sundstrand 5
2 Anthony Calderoni Covidien Lp 5
2 Richard E. Kulak Otis Elevator 5
#5 Robb Janak Jacobs Vehicle Systems 3
#6 James Edward Abitabilo Smiths Medical Asd 2
#6 Robert Casale Massachusetts Mutual Life Insurance 2
#6 Lee Drozdenko RTX (Raytheon) 2
#6 Howard Velasco Franklin Products 2
#6 Adam O'Day Sargent Manufacturing 2
#11 Russ Sasak Barnes Group 1
#11 Hasiba BEKTO Conopco 1
#11 Jeffrey R. Edgerly Thule Sweden Ab 1
#11 Harry Howard Pfizer 1
#11 Gregory Trude Graham Packaging Company 1
#11 Thomas A. Stoklasek University Of Connecticut 1
#11 James Bartucca Aetna 1
#11 Shawn H. Russell Okay Industries 1
#11 Diana Reihl Hartford Fire Insurance 1
#11 Jocelyn C. Michaud Smiths Medical Asd 1
#11 Volodymyr B. Pashovych E.I. Du Pont De Nemours And 1
#11 Nicholas Ryan Goodine Leviton Manufacturing Co. 1
#11 Pauline Cabrila RTX (Raytheon) 1
#11 Kathryn Rauss Sherrick Otis Elevator 1
#11 Guy A. Daigle Weatherford/Lamb 1
#11 Justin David Zirbes 1
#11 Mohan Rajasekaran Thermo Orion 1
#11 Daniel M. Bohn Otis Elevator 1
#11 Mark Mayfield RTX (Raytheon) 1
#11 Timothy Camerl 1
#11 Bryan T. Wyrebek 1
#11 Diana Marrero Conopco 1
#11 Paul E. Strong RTX (Raytheon) 1
#11 Jay Phoenix Roller Bearing Company Of America 1

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