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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Napoleon, MO ranks #45,681 worldwide for total patents filed all time, with 14 patents from 4 inventors. Leading employers of inventors based in Napoleon, MO include Progress Rail Services. That works out to 66.3 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 Donald J. Arndt Progress Rail Services 11
2 Dennis Kent Oberhelman 1
2 Donna Gwen Oberhelman 1
2 Don Arndt Progress Rail Services 1

Part of Missouri