Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Jefferson, MA ranks #8,349 worldwide for total patents filed all time, with 261 patents from 42 inventors. Leading employers of inventors based in Jefferson, MA include Shipley Company, L.L.C., Wec, Gkn Sinter Metals.

Showing 1–42 of 42 inventors

Rank Inventor Primary Company Patents
1 George G. Barclay Shipley Company, L.L.C. 56
2 Lee A. Horton Wec 24
3 Ian W. Donaldson Gkn Sinter Metals 17
#4 Neil Wishart Abbott 16
#4 Jeff Summit Psemi 16
#4 Richard W. Dixon Abbott 16
#7 John C. MacDonald Drinksavvy 14
#8 Brian E. Volk Intuitive Surgical 13
#9 Oliver G. Briggs, Jr. Alstom Technology 11
#10 Michael Leary Sony 8
#11 Gregory D. McConnell Galvion Soldier Power 5
#12 Kenneth L. DeMoranville American Superconductor 4
#12 Bryan Dillon Insulet 4
#12 George Bellesis Quantum 4
#12 Christopher J. Chilton Saint-Gobain Abrasifs 4
#12 David Alan Beberman Unknown 4
#17 Paula A. Dromlewiez Verizon 3
#17 Kevin Newell Boston Scientific Scimed 3
#17 Ken Beckner 3
#17 Mark S. Smyczynski 3
#17 Timothy R. L'Ecuyer Proveris Scientific 3
#22 Stein Eriksen Fmr 2
#22 Mark Downey Analog Devices 2
#22 Stuart Rae Cadence Design Systems 2
#22 Richard W. Dixon 2
#22 Derek Anton Johnson Hexagon Technology As 2
#22 Francis J. Wesolowski Morgan Construction 2
#22 John W. Cressman Intel 2
#22 Ruth Kirkwood Azmat Primetals Technologies Germany Gmbh 2
#22 Alexander Tukachinksy Berry Plastics 2
#31 Leslie J. Horton 1
#31 Edward L. Glavin, Jr. 1
#31 Jeffrey Lewis Amram Summit Maxim Integrated Products 1
#31 Ruth E. Kirkwood-Azmat Morgan Construction 1
#31 Ralph A Pezzella 1
#31 Brandon M. Habin 1
#31 Jeffrey Lawrence Hemstreet 1
#31 Dennis M. Dickman 1
#31 Mary Kathleen Dempsey Staples 1
#31 Jeffrey Summit Arctic Sand Technologies 1
#31 Jessica M. Suschak 1
#31 David Geene Bose 1

Part of Massachusetts