Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Marietta, OH ranks #4,963 worldwide for total patents filed all time, with 539 patents from 150 inventors. Leading employers of inventors based in Marietta, OH include O. Ames, Dimex, GE. That works out to 40.3 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 150 inventors

Rank Inventor Primary Company Patents
1 Steven F. Brooker O. Ames 27
2 Kevin R. Morey Dimex 25
3 Kattalaicheri Srinivasan Venkataramani GE 22
#4 Warren D. Grossklaus, Jr. GE 21
#5 Warren Rosal Ronk GE 20
#6 Forrest Adam Sanders Dimex 16
#7 David D. Farris Momentive Performance Materials Gmbh 15
#8 Martin Grohman GE 11
#8 Frank D. Mendicino Union Carbide 11
#10 Scot M. Turner Union Carbide Chemicals & Plastics Technology 10
#10 Robert John Klare Bha Group 10
#10 Joseph Jay Jackson GE 10
#10 Hal H. Katz Johnson & Johnson 10
#14 Edward J. Biehle, IV Johnson & Johnson 9
#14 Robert G. Cook Johnson & Johnson 9
#16 James D. Fox Dayco Products 8
#16 Bert C. Wong E.I. Du Pont De Nemours And 8
#18 Daniel Wilheim Swa-Trading 7
#18 David Scott Farrar Innovatio Devices 7
#18 Thomas Anthony Hauer GE 7
#18 Douglas E. Kellogg The York Group 7
#22 Gary Cunagin Fox Lite 6
#22 Robert E. Sheridan Crompton 6
#24 Wei T. Yang Union Carbide Chemicals & Plastics Technology 5
#24 George M. Omietanski Union Carbide Chemicals & Plastics Technology 5
#24 Donald M. Kulich GE 5
#24 Gregory N. Jensen Intercontinental Chemical 5
#24 Glenn D. Selfridge Royal Vendors 5
#24 Howard L. Foltz GE 5
#24 Eugene F. Adiutori GE 5
#24 Arlos Franklin Casto, Jr. 5
#24 Derek Allen Magnum Magnetics 5
#24 Robert A. Courtwright Textron 5
#34 Jeffrey J. Ballman Mac Tools 4
#34 Adam Sanders Dimex 4
#34 George S. Boznos Jji Lighting Group 4
#34 James F. Mellott Mac Tools 4
#34 Thomas C. Vadakin 4
#34 Robert Bann Oerlikon Solar Ag, Trubbach 4
#34 Anthony J. Margida Lord 4
#34 David T. Wesel Dimex 4
#34 Pat Amrine Dimex 4
#34 Mark Hugh Forma Scientific 4
#44 Samuel R. Wynn 3
#44 Donald S. Shih Korea Institute Of Industrial Technology 3
#44 Thomas G. Love Magnum Magnetics 3
#44 Ladislau Heisler Crompton 3
#44 Mark Fulton Depuy International Limited 3
#44 Mark Knolle Terra Sonic International 3
#44 Charles R. Morrison Forma Scientific 3

Part of Ohio