Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Walpole, NH ranks #23,017 worldwide for total patents filed in 2011, with 1 patent from 1 inventor. That works out to 1.6 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–1 of 1 inventors

Rank Inventor Primary Company Patents
1 Gordon C. Brown 1

Part of New Hampshire