Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Chillicothe, OH ranks #5,583 worldwide for total patents filed all time, with 461 patents from 113 inventors. Leading employers of inventors based in Chillicothe, OH include Infosight, The Mead, Hamilton Beach/Proctor Silex. That works out to 20.9 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 113 inventors

Rank Inventor Primary Company Patents
1 John A. Robertson Infosight 43
2 Paul C. Adair The Mead 41
3 Richard F. Wright The Mead 22
#4 Frederick W. Sanders The Mead 17
#5 Terry L. Myers Hamilton Beach/Proctor Silex 16
#6 Teresa Krug Westrock Mwv 13
#6 Gary F. Hillenbrand The Mead 13
#8 Jeff Webb Ford 11
#8 Robert A. Austin The Mead 11
#10 Joseph F. Moore Healthometer 10
#10 Albert W. Forrest, Jr. E.I. Du Pont De Nemours And 10
#10 John K. Rourke The Mead 10
#13 Gerhart Schwab Mhb Joint Venture 9
#13 David A. Boyer The Mead 9
#13 Jonathan S. Arney The Mead 9
#13 David L. Cyphert Telesis Controls 9
#17 Thomas J. Turner Unknown 8
#18 Amy L. Burkholder The Mead 7
#19 Jeffrey Tupper Roesgen The Procter & Gamble 6
#19 Michael G. Londo Engelhard 6
#19 Charles E. Werner The Babcock & Wilcox 6
#19 R. Scott Myerly Hamilton Beach/Proctor Silex 6
#23 William Culhane The Mead 5
#23 Richard L. Brandon The Mead 5
#23 Chuan Lee The Mead 5
#23 Charles Dearth 5
#23 T. Kay Kiser The Mead 5
#28 Leo F. Brown Wear-Ever Aluminum 4
#28 Barbara Elizabeth Johnson 4
#28 Dennis Williams The Mead 4
#28 John J. Stolfo The Mead 4
#28 Austin Tyler Little Diamond Power International 4
#33 Robert N. French 3
#33 David G. Adkins The Mead 3
#33 Gerald T. Davis The Mead 3
#33 Zenon C. Prusas The Mead 3
#33 Robert A. Fetters The Mead 3
#33 Robert R. Rounsley The Mead 3
#33 John C. Meadway Proctor-Silex 3
#33 Victoria Villarreal 3
#33 James H. Bumen 3
#33 Linsey Ann Free Krush Technologies 3
#33 Marlene Jan Mekel Akebia Therapeutics 3
#33 Ainslie T. Young, Jr. The Mead 3
#45 Susan M. Pierik 2
#45 Bruce A. Neeld The Mead 2
#45 David M Grimes 2
#45 Philip Roland Lacourt E.I. Du Pont De Nemours And 2
#45 Richard R. Wickett Children'S Hospital Medical Center 2
#45 Datta G. Mislankar The Mead 2

Part of Ohio