Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Circleville, OH ranks #8,924 worldwide for total patents filed all time, with 236 patents from 79 inventors. Leading employers of inventors based in Circleville, OH include The Procter & Gamble, The Babcock & Wilcox, E.I. Du Pont De Nemours And. That works out to 16.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 79 inventors

Rank Inventor Primary Company Patents
1 Mark Ryan Richards The Procter & Gamble 34
2 Thomas W. Strock The Babcock & Wilcox 13
3 Richard P. Pankratz E.I. Du Pont De Nemours And 12
#4 William E. Hawkins E.I. Du Pont De Nemours And 11
#4 Saul Rogols Penford 11
#6 Russell L. Baldinger Columbus Industries 10
#7 James E. Large Columbus Industries 7
#7 Richard F. Sutton, Jr. E.I. Du Pont De Nemours And 7
#7 James R. Edman E.I. Du Pont De Nemours And 7
#10 Robert B. Cole Children'S Hospital Medical Center Of Northern California 5
#11 Donald M. Stough Westinghouse Electric 4
#11 Michael Mulzer Dupont Electronics 4
#11 William J. Danley Square D 4
#14 Christopher L. Verrill Mcdermott Technology 3
#14 Carl Ribaudo The Timken 3
#14 Hamid Farzan Mcdermott Technology 3
#14 Ben A. MacFadden 3
#14 Dan Meiser Health Care Logistics 3
#14 Michael L. Meuller The Babcock & Wilcox 3
#14 Dennis W. Hetzner The Timken 3
#14 Robert Turner Tecsis Gmbh 3
#14 Rickey A. Wilson Babcock & Wilcox Power Generation Group 3
#14 John W. Stolarz, JR. 3
#14 James Shields Matthews, IV H.J. Heinz 3
#14 Laura Lee Strang Aume Battelle Memorial Institute 3
#26 Paul J. Berrigan E.I. Du Pont De Nemours And 2
#26 Mark Wellman Timpte Industries 2
#26 Lynn Metzger 2
#26 Barry Boyer Rankin Labs 2
#26 Peggy Scott Dupont Electronics 2
#26 Anita M. Lutz 2
#26 Lawrence Daniel Carstensen 2
#26 Kenneth L. Knox, Sr. E.I. Du Pont De Nemours And 2
#26 Edgar A. Campo E.I. Du Pont De Nemours And 2
#26 Sydney M. Spatz The Mead 2
#26 Vernon C. Haskell E.I. Du Pont De Nemours And 2
#26 Thomas Wayne Vickers Columbus Industries 2
#26 Primo D. Exconde 2
#26 Douglas Matthews E.I. Du Pont De Nemours And 2
#26 Charles Jolliffe E.I. Du Pont De Nemours And 2
#26 Warren S. Sobataka Dupont Teijin Films U.S. Limited Partnership 2
#26 Ramesh M. Gohil E.I. Du Pont De Nemours And 2
#43 William E. Mosmeier 1
#43 R. Richard Durham 1
#43 Joanne F. Pettit 1
#43 Rick W. Weller 1
#43 Frank J. D'Aiello, Jr. 1
#43 Daniel K. Owens E.I. Du Pont De Nemours And 1
#43 Tom Beavers Production Plus 1
#43 Danny E. Glenn 1

Part of Ohio