Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Douglas, MA ranks #4,263 worldwide for total patents filed in 2021, with 26 patents from 12 inventors. Leading employers of inventors based in Douglas, MA include Waters Technologies, Dell Products, Avery Dennison.

Showing 1–12 of 12 inventors

Rank Inventor Primary Company Patents
1 Wade P. Leveille Waters Technologies 7
2 Erik P. Smith Dell Products 6
3 Thomas Shilale Avery Dennison 2
3 Marc E. Lemelin Waters Technologies 2
3 Michael Ferrari Dell Products 2
#6 David G. Kmetz Jetstream Wine Technologies 1
#6 Donald McCallum Wright Line 1
#6 Robert Cesar Muniz Rgb Systems 1
#6 Michael DeRose, IV Tyco Safety Products Canada 1
#6 Jessica Spratt 1
#6 William Petrocelli Thomas & Betts International 1
#6 Robert A. Hutnak Zih 1

Part of Massachusetts