Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Plainfield, NH ranks #8,547 worldwide for total patents filed in 2021, with 10 patents from 4 inventors. Leading employers of inventors based in Plainfield, NH include Dartmouth College, Lallemand Hungary Liquidity Management, Spectra Group Limited. That works out to 56.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–4 of 4 inventors

Rank Inventor Primary Company Patents
1 Randolph J. Noelle Dartmouth College 5
2 Charles F. Rice Lallemand Hungary Liquidity Management 3
3 Edward R. Moynihan Spectra Group Limited 1
3 Richard Baker Fujifilm Dimatix 1

Part of New Hampshire