Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Torrington, CT ranks #3,680 worldwide for total patents filed all time, with 798 patents from 233 inventors. Leading employers of inventors based in Torrington, CT include Covidien Lp, Trlby Innovations, Hamilton Sundstrand. That works out to 22.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 233 inventors

Rank Inventor Primary Company Patents
1 Christopher A. Tokarz Covidien Lp 32
2 Robert J. Mileti Trlby Innovations 27
3 James Streeter Hamilton Sundstrand 25
#4 John E. Benham Winchester Electronics 23
#5 David Mazzarelli Commercial Sewing 20
#6 Brian D. Hass Assa Abloy Accessories And Door Controls Group 18
#6 Kevin Gibbons Hamilton Sundstrand 18
#6 Richard L. Alling The Torrington 18
#9 Gordon L. Steltzer Fci Americas Technology 16
#10 David R. Torlai Otis Elevator 13
#10 Kevin V. Goodwin Materion 13
#12 Robert J. Mayerjak Currier Piano Company 10
#13 Edward Butler PepsiCo 9
#13 Thomas G. Kalagher Prestone Products 9
#15 Steven Gradowski Whyco Chromium Company 8
#15 William Telesco Bryte Computer Technologies 8
#15 Michael Hissong Commercial Sewing 8
#15 John R. Battye Infiltrator Systems 8
#15 Serafino Canino Icc Innovative Concepts 8
#15 Robert Bordonaro Norgren Limited 8
#21 Daniel L. Sanders Conair 7
#21 Sean E. Aschen IBM 7
#21 Phil Smith Gateway 2000 7
#21 John M. Grillo The Torrington 7
#21 Richard W. Shepard The Torrington 7
#21 Charles R. Marracino Clevepak 7
#21 Stanley J. Brym Dynamics Corporation Of America 7
#21 Robert J. Zavatkay Barnes Group 7
#21 Nick Testanero Cellotape 7
#21 Roger Dickinson Henkel Ip & Holding Gmbh 7
#31 Frederick S. Gyuricsko Roller Bearing Company Of America 6
#31 Mark F. Orelup Otis Elevator 6
#31 Robert W. Zeiner Parker-Hannifin 6
#31 Matthew G. Urmaza The Torrington 6
#31 John B. Tavano 6
#31 Edward M. Kubicz Black & Decker 6
#31 Gene R. Hammond JPMorgan Chase 6
#38 Alfred G. Evans United States Surgical 5
#38 Mark A. Polinsky The Torrington 5
#38 Curtis M. Swartley Roller Bearing Company Of America 5
#38 Michael D. Beaman The Torrington 5
#38 John Kenneth Carrozzo, Jr. Hubbell Incorporated 5
#38 Charles E. Inturrisi Cornell University 5
#38 Nicholas Cegelka Commercial Sewing 5
#38 George A. English Clevepak 5
#38 Patricia M. Mellor Inertia Dynamics 5
#38 Allen L. Rogala PepsiCo 5
#48 Kyle Aaron Carrier 4
#48 Russell J. Duchene PepsiCo 4
#48 Frederick W. Mitchell, III The Siemon 4

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