Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Broad Brook, CT ranks #8,204 worldwide for total patents filed all time, with 267 patents from 39 inventors. Leading employers of inventors based in Broad Brook, CT include Irwin Industrial Tool, Hamilton Sundstrand, The Goodyear Tire & Rubber. That works out to 66.8 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–39 of 39 inventors

Rank Inventor Primary Company Patents
1 William B. Korb Irwin Industrial Tool 48
2 Sean C. Emerson Hamilton Sundstrand 36
3 Robert M. Shemenski The Goodyear Tire & Rubber 19
#4 Jason E. Posniak RTX (Raytheon) 17
#5 Elizabeth F. Vinson RTX (Raytheon) 15
#6 David Kresge 14
#7 Leo Moreau Toray Plastics (America) 13
#7 Jeffrey S. Mann Alstom Technology 13
#9 Kevin E. Green RTX (Raytheon) 12
#10 Ivan Kolev Savage Arms 11
#11 William Loos Gerber Scientific Products 9
#11 Justin R. Pribanic Clarcor Engine Mobile Solutions 9
#13 Neal P. Anderson RTX (Raytheon) 8
#14 Nicholas Edward Osepowicz Doosan Fuel Cell America 5
#14 James Neville Applied Materials 5
#16 Joseph Jalowka RTX (Raytheon) 3
#16 Michael Ceppetelli Control Module 3
#18 Timothy Sauerhoefer Hamilton Sundstrand 2
#18 Alexander Bosso Combustion Engineering 2
#18 Brenda R. Quesnel Hartford Fire Insurance 2
#18 Jason Gulbinas Johnson & Johnson 2
#18 Richard J. Guastamachio American Ingenuity 2
#23 Todd Dubois 1
#23 Michael Richard Schroder Colt'S Manufacturing Ip Holding Company 1
#23 Stephen E. Graushinsky RTX (Raytheon) 1
#23 Edward Mierzejewski RTX (Raytheon) 1
#23 Thomas B. Preston Alstom Technology 1
#23 Elizabeth J. Simmons 1
#23 Daniel H. Ellsworth Scan-Optics 1
#23 Horst Rabus Package Machinery Co. 1
#23 Alan S. Mercer, Sr. 1
#23 Alan S. Mercer, Jr. 1
#23 Troy J. LaMontague Kaman Aerospace 1
#23 Early Femiana GE 1
#23 Rachelle Parsons RTX (Raytheon) 1
#23 Bryan Outlaw Lumeda 1
#23 Daniel A. Mickey RTX (Raytheon) 1
#23 William C. Denker 1
#23 David Nadeau 1

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