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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025

Warren, OH ranks #9,800 worldwide for total patents filed all time, with 206 patents from 21 inventors. Leading employers of inventors based in Warren, OH include Delphi Technologies, Aptiv Technologies Ag, Kundel Industries. That works out to 5.2 patents per 1,000 residents, a common benchmark for comparing regional innovation intensity.

Showing 1–21 of 21 inventors

Rank Inventor Primary Company Patents
1 John R. Morello Delphi Technologies 99
2 James M. Rainey Aptiv Technologies Ag 44
3 David G. Siegfried Aptiv Technologies Ag 16
#4 John D. Schneider Aptiv Technologies Ag 11
#5 Richard A. Schley Kundel Industries 7
#6 Charles Watson Highland Industries 5
#7 Peter J. Boldt Allen-Bradley Company 4
#8 Edward J. Cham Westinghouse Electric 3
#9 Ernest F. Jablonski Technicare 2
#9 Raina Marie Paucar 2
#9 Erika M. Garver Aptiv Technologies Ag 2
#9 Richard Earl Martin GE 2
#13 Daniel H. Crouse 1
#13 Zach Richmond Aptiv Technologies Ag 1
#13 Kenneth McNeish 1
#13 Ana Maria Chester 1
#13 Ray D'Annunzio 1
#13 James L. Heir 1
#13 Marilyn McNeish 1
#13 Eric T. Hochstetler Saint-Gobain Ceramics & Plastics 1
#13 Andrew A. Pirigyi Kundel Industries 1

Part of Ohio