Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Upperco, MD ranks #47,206 worldwide for total patents filed all time, with 13 patents from 9 inventors. Leading employers of inventors based in Upperco, MD include Aai, Triangle Research & Development, Black & Decker.

Showing 1–9 of 9 inventors

Rank Inventor Primary Company Patents
1 Graham Schill Aai 3
2 Bernard R. Marsh Triangle Research & Development 2
2 Edward F. Marx 2
#4 Marshall Wells Hawks 1
#4 Howard L. Burnside Black & Decker 1
#4 Marlie A. Duncan The Ward Machinery 1
#4 William Fowble 1
#4 Charles Akeley 1
#4 Robert L. Bradford, III Fannie Mae 1

Part of Maryland