Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Smithfield, NC ranks #15,140 worldwide for total patents filed in 2021, with 4 patents from 4 inventors. Leading employers of inventors based in Smithfield, NC include IBM, Specifi-Kali. That works out to 0.3 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 Debra Kay Hoh 1
1 Ivan M. Heninger IBM 1
1 Keith Baumbaugh 1
1 Robert W. Holland Specifi-Kali 1

Part of North Carolina