Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Maine ranks #43 among US states for total patents filed in 2022, with 707 patents from 438 inventors across 122 cities. On a per-capita basis that is 0.5 patents per 1,000 residents, a standard benchmark for comparing state-level R&D intensity.

Top Cities in Maine 2022

Rank City Patents Inventors
#1 Fryeburg, ME 155 91
#2 Portland, ME 41 32
#3 Wells, ME 24 6
#4 Kennebunk, ME 19 12
#5 Oxford, ME 18 1
#6 Rockport, ME 17 3
#7 Gorham, ME 16 13
#8 Falmouth, ME 15 12
#9 South Portland, ME 15 11
#10 Yarmouth, ME 15 13
#11 Berwick, ME 14 5
#12 York, ME 12 10
#13 Bar Harbor, ME 12 8
#14 Cape Elizabeth, ME 10 10
#15 Scarborough, ME 10 9
#16 Eliot, ME 10 7
#17 Boothbay Harbor, ME 10 3
#18 Hartland, ME 10 1
#19 Biddeford, ME 9 6
#20 Saco, ME 9 5
#21 Sanford, ME 8 7
#22 Pleasant Point, ME 7 3
#23 Frye Island, ME 7 7
#24 Windham Center, ME 7 5
#25 Freeport, ME 7 6

Top Inventors in Maine 2022

Rank Inventor City Company Patents
1 Jeffrey Gniadek Oxford Senko Advanced Components 18
2 Thomas E. Clark Wells RTX (Raytheon) 17
3 Christophe Bucher Fryeburg As America 13
3 John Gatzemeyer Fryeburg Colgate-Palmolive 13
#5 John T. Raffle Rockport Electrocore 11
#6 Frank Sinclair Hartland Varian Semiconductor Equipment Associates 10
#7 Christopher W. Strock Boothbay Harbor RTX (Raytheon) 8
#8 Matthew D. Salois Berwick Goodrich 6
#8 Daniel R. Cohn Bridgton MIT 6
#10 Andrew Craig Bragdon Pleasant Point Salesforce 5
#10 Christophe Vailhe Fryeburg Johnson & Johnson 5
#10 W. Davis Lee Rockport Varian Semiconductor Equipment Associates 5
#10 Kevin James McElwee Berwick Boston Scientific Scimed 5
#10 Gregory F. Jacobs Sullivan Certainteed 5
#10 Christine D. Black Brooksville Bank of America 5
#10 Carson A. Roy Thill Buxton RTX (Raytheon) 5
#17 Peter Knelsen Pittston Novelis 4
#17 William Bonczyk Sidney Huhtamaki 4
#17 Paul M. Lutjen Kennebunkport RTX (Raytheon) 4
#17 Brian Bloch Fryeburg Colgate-Palmolive 4
#17 Stephen Francis Triano Fryeburg AT&T 4
#17 Emily V. Miller Eliot Tbl Licensing 4
#23 Keegan Y. Yang Winslow Huhtamaki 3
#23 Harsh M. Trivedi Fryeburg Colgate-Palmolive 3
#23 Manikandan Sasidharan South Portland Djo 3

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