Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Canfield, OH ranks #5,066 worldwide for total patents filed all time, with 525 patents from 133 inventors. Leading employers of inventors based in Canfield, OH include Boardman Molded Products, Errcive, Delphi Technologies. That works out to 68.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–50 of 133 inventors

Rank Inventor Primary Company Patents
1 Myron Ullman Boardman Molded Products 44
2 Jack A. Shindle Errcive 20
3 Dominic A. Messuri Delphi Technologies 19
#4 David M. Neill R&L Marketing & Sales 17
#5 Robert Ellis Willinger Bros. 13
#5 John T. Kightlinger Delphi Technologies 13
#5 Everett Dennison 13
#8 Allen C. Conti Arnco 12
#9 Sean P. Krompegel Aptiv Technologies Ag 11
#9 John Bischoff Bayer Healthcare 11
#9 Ronald W. Schutz Rmi Titanium 11
#9 Dale J. Smutny Delphi Technologies 11
#13 Ralph C. Angiuli Overhead Door 10
#13 Ernest J. Zavoral, Sr. Chz Technologies 10
#13 Fred Zwicker Truman'S 10
#16 Michael Garvey Grale Technologies 9
#16 Richard M. Amendolea Breeze-Torca Products 9
#16 Michael D. Messuri Aptiv Technologies Ag 9
#16 Michael Tirak Diebold Self-Service Systems, Division Of Diebold, Incorporated 9
#20 David Cline Cline 8
#20 Moenes L. Elias Dart Industries 8
#20 John Caputo Delphi Technologies 8
#20 Eunice E. Santos 8
#20 Eugene S. Santos 8
#20 Evelyn W. Santos 8
#26 Michael Sean Owens Boston Scientific Scimed 7
#26 Gregory T. Pauley 7
#26 Ray M. Rumble Michigan Hanger Co. 7
#29 Brian Byle Brookstone Purchasing 6
#29 Leon Blank Illinois Tool Works 6
#31 Cory R. Ensley Delphi Technologies 5
#31 Larry O'Neal 5
#33 Harry C. Ledebur Baylor College Of Medicine 4
#33 Deborah A. Madden Mcdermott Technology 4
#33 Albert H. Pharis, Jr. 4
#33 Edwin L. Nass 4
#33 Francis D. Martauz Delphi Technologies 4
#33 Frederick D. Esenwein Delphi Technologies 4
#33 J. Otto Byers, Jr. Caterpillar 4
#33 Rick Amendolea 4
#33 Gary R. Naylor Nrm 4
#42 Crystal F. Krompegel Delphi Technologies 3
#42 Joseph S. Szul Ppg Industries Ohio 3
#42 Benjamin J Rook 3
#42 Sudarshan R. Sathe 3
#42 Robert Zwicker Delta Electronics 3
#42 Harry Slaven Delphi Technologies 3
#42 Fusheng Sun 3
#42 Jack Kucek 3
#42 Brian K. Dew Delphi Technologies 3

Part of Ohio