Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Ashburnham, MA ranks #13,266 worldwide for total patents filed in 2021, with 5 patents from 4 inventors. Leading employers of inventors based in Ashburnham, MA include Perma Pure, Ampac Enterprises, Photo Diagnostic Systems.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Luke Fichtel Perma Pure 2
2 Austin Rodrick Ampac Enterprises 1
2 Olof Johnson Photo Diagnostic Systems 1
2 David Scott Doiron Microsemi 1

Part of Massachusetts