Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Putnam, CT ranks #13,447 worldwide for total patents filed all time, with 126 patents from 35 inventors. Leading employers of inventors based in Putnam, CT include Xerox, Gtech, Hickory Springs Manufacturing. That works out to 17.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–35 of 35 inventors

Rank Inventor Primary Company Patents
1 David Matthews Xerox 18
1 Scott Hultzman Gtech 18
3 Edmond P. Guillot Hickory Springs Manufacturing 17
#4 Marius Hauri Smiths Medical Asd 7
#5 Scott H. Lee 6
#6 Marcus Ewing Pfizer 5
#6 David J. Guerra Karl Storz Endovision 5
#8 Sujatha Narayan World Properties 4
#9 Daniel A. Dube, Jr. Valeritas 3
#9 Richard Alvan Rawson Covad Communications 3
#9 Douglas H. Tracy Rogers 3
#9 Henry Delgado T-Mobile Usa 3
#9 Zachary Sears RTX (Raytheon) 3
#9 Patricia A. Tumminia International Paper 3
#15 Jeffrey Penterson Babcock Power Environmental 2
#15 Kelli A. O'Brien Unknown 2
#15 Raymond R. Miskiavitch Rogers 2
#15 Marie L. Franzino 2
#15 Erik Sandberg-Diment Unknown 2
#15 Martin J. Fey 2
#15 Thomas J. Auger Neptco 2
#22 Angela M. Kneeland Rogers 1
#22 Elizabeth Jane Antonelli Dennis Flagship Pioneering Innovations Vi 1
#22 Paulette Blagburn 1
#22 Walter Hauri Bio-Plexus 1
#22 Enrique Ramirez Waters Technologies 1
#22 Ed Hudson 1
#22 Mark A. Ebreo 1
#22 Derek R. Ciabaszewski 1
#22 Peter von Conta The Rockport Company 1
#22 James L. Bass 1
#22 Mark S. Zifcak Rogers 1
#22 Lawrence F. Ellis 1
#22 Norman A. Rosenfield 1
#22 Daniel J. Navarro Rogers 1

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