Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Piqua, OH ranks #6,614 worldwide for total patents filed all time, with 367 patents from 121 inventors. Leading employers of inventors based in Piqua, OH include Hobart Brothers, Stolle Machinery Company, Copeland Lp. That works out to 18.0 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 121 inventors

Rank Inventor Primary Company Patents
1 Joseph C. Bundy Hobart Brothers 32
2 Steven Todd Albright Stolle Machinery Company 24
3 Hank Millet Copeland Lp 18
#4 Wayne R. Warner Emerson Climate Technologies 16
#5 Richard W. Cartwright Premark Feg L.L.C. 15
#6 Gregory P. Herroon Copeland Lp 13
#7 Shirish Shah Magneco/Metrel 11
#8 Brian M. Mitsch Federal Signal 8
#9 Philip Adams Bombardier Transportation Gmbh 7
#9 Paul Hrivnak Visteon Global Technologies 7
#9 Randy S. Robinson Production Control Units 7
#12 Christopher R. Graunke Crown Equipment 6
#13 Douglas Morris 5
#13 Richard V. Grimes Trw Limited 5
#13 Norman R. Sanford 5
#13 Dennis D. Pax Emerson Climate Technologies 5
#13 Thomas J. Witman Evenflo Company 5
#18 Tara Marie Zasadzinski Oms Investments 4
#18 Walter L. Debrosse Premark Feg L.L.C. 4
#18 David Morris Aluminum Company Of America 4
#18 Thomas J. Goedde Lexisnexis, A Division Of Reed Elsevier 4
#18 John W. Good 4
#18 Edwin C. Rosenberger Chem-Lawn 4
#18 Paul B. Geiger Compagnie Hobart 4
#18 William M. Barger French Oil Mill Machinery 4
#18 W. Benjamin Harlamert Hartzell Propeller 4
#18 John C. Sherman 4
#18 Steven K. Cordonnier Midmark 4
#29 Ray O. Chaney 3
#29 Shane J. Angle Emerson Climate Technologies 3
#29 Glenn L. Cota Valor Enterprise Co. 3
#29 Wade H. Westfall 3
#29 Roy Wheaton 3
#29 Earl W. Jones Hartzell Propeller 3
#29 Carl J. Didier Baumfolder 3
#36 Tommy L. Lyman General Motors 2
#36 Kathleen J. Scarbrough 2
#36 Dennis S. Zimpfer Hartzell Propeller 2
#36 Gerald L. Crist 2
#36 William R. Donnelly 2
#36 John D. Scarbrough, Jr. 2
#36 Gerald L. Haines The Coleman Company 2
#36 Flavil M. Pollock Premark Feg L.L.C. 2
#36 Jerry A. DePoy 2
#36 Mike Gorman IBM 2
#36 Roderick A. Lavy The Minster Machine 2
#36 Chuck Hoke Honda Motor Co. 2
#36 F. Martin Pollock Premark Feg L.L.C. 2
#36 David K. Bigg 2
#36 Christopher R. Collins 2

Part of Ohio