Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ashfield, MA ranks #25,929 worldwide for total patents filed all time, with 42 patents from 10 inventors. Leading employers of inventors based in Ashfield, MA include General Plasma, Walmart Apollo, Fti Group (Holding) Company Limited.

Showing 1–10 of 10 inventors

Rank Inventor Primary Company Patents
1 John Madocks General Plasma 25
2 Ernest Taylor Walmart Apollo 4
3 Manfred J. Gabriel Fti Group (Holding) Company Limited 3
#4 Alden J. Gray 2
#4 Raymond T. Cassidy Dennison National 2
#4 Christopher R. Gray Country View Medical Center 2
#7 Todd M. Gerry 1
#7 William Vieira 1
#7 Arthur Pantermehl 1
#7 Ronald E. Trudeau 1

Part of Massachusetts