Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Barnhart, MO ranks #28,216 worldwide for total patents filed all time, with 36 patents from 19 inventors. Leading employers of inventors based in Barnhart, MO include Vicon Machinery, Unknown, Amsted Industries Incorporated. That works out to 6.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–19 of 19 inventors

Rank Inventor Primary Company Patents
1 Dale R. Foster Vicon Machinery 11
2 Arlie H. Ehlmann 4
2 Keith Ericson 4
#4 Charles W. Kertz Unknown 2
#5 William C. Mulder 1
#5 Victor L. Kerns Amsted Industries Incorporated 1
#5 John T. O'Reilly The Doe Run 1
#5 Arlie Ehlman 1
#5 Charles Randolph Stires Hyc Co. 1
#5 Samuel D Orr The Boeing 1
#5 Dennis S. Larkin 1
#5 Lisa G. Gemmell 1
#5 Ronald J. Holohan, Jr. Emerson Electric 1
#5 Cynthia S. Sherrill Masterchem Industries 1
#5 Roger E. Ahearn 1
#5 Alvin L. Baugh 1
#5 Timothy Wayne Groves Heizer Defense 1
#5 Thomas E. Duffel Specgx 1
#5 Donald F. Ryder 1

Part of Missouri