Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Sherman, CT ranks #7,658 worldwide for total patents filed all time, with 294 patents from 53 inventors. Leading employers of inventors based in Sherman, CT include IBM, Fuelcell Energy, Columbia University. That works out to 2556.5 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 53 inventors

Rank Inventor Primary Company Patents
1 Mark B. Ritter IBM 41
2 Matthew Lambrech Fuelcell Energy 28
3 Charles L. Fox, Jr. Columbia University 26
#4 Matthew Heil Curemark 23
#5 Stephen M Fisher, II Crystal International (Group) 16
#6 Roderike Pohl Biodel Ag 15
#7 Brooke T. Baxter The Valvoline Company, A Division Of Ashland 13
#8 Laura Rothman IBM 11
#8 John L. Mauer, IV IBM 11
#10 James C. Maharg Alu Holdings 10
#11 David Downey Invidi Technologies 8
#11 Donald Frye Entegris 8
#13 Paul Robert Carini IBM 6
#14 Derrick Bautista Google 5
#14 Douglas L. Rose Black & Decker 5
#16 Robert Albert Tharaldsen Asml Holding N.V. 4
#16 Donald G. Williams Eaton 4
#16 John M. Tarby IBM 4
#16 Thomas Conley 4
#20 Lawrence M. Paetsch Synergy Research Group 3
#20 Ira Milton Trachtman 3
#20 Maxim Frayer Smiths Detection 3
#20 Abigail S. Ganong IBM 3
#24 Nicholas Woodfield Bentley Systems, Incorporated 2
#24 Peter A. Kuring Werlatone 2
#24 Robert Pivetz Prestone Products 2
#24 John Michael Brassey 2
#24 Douglas Rose Black & Decker 2
#24 Thomas Allan Corbi IBM 2
#24 John A. Ferrante IBM 2
#24 Sherman Tao 2
#24 Bonnie Fremgen 2
#24 Stephen Kazyaka 2
#34 Everett Kaelber Hughes Aircraft 1
#34 Matt Heil Curemark 1
#34 Kent Lawson 1
#34 Amy Ziffer 1
#34 Alan Gayhart Hughes Aircraft 1
#34 Anne E. Bomford IBM 1
#34 Eva Kolbinger 1
#34 Gregory Whitten Peet BOE 1
#34 David S. Feron Farrand Optical 1
#34 Theodore C. Hollander, Jr. The Presray 1
#34 Joseph M. Chiaramonte Schlumberger Technology 1
#34 Conrad Rosenberg 1
#34 Regina Elaine Wedral Google 1
#34 Alice L. Havens 1
#34 Susan Williams IBM 1
#34 Matt Lambrech Synergy Research Group 1
#34 Tara Nathan Mastercard 1

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