Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025

Showing 1–11 of 11 inventors

Rank Inventor Primary Company Patents
1 John W. Spirk Nottingham Spirk Design Associates 4
2 Carl V. Santoiemmo Ranpak 3
2 Aaron Patrick Lemieux Tremont Electric 3
#4 Douglas M. Horner Enpress 2
#4 Evan Spirk Abbott 2
#4 James D. Burrington The Lubrizol 2
#7 Todd Kennedy Google 1
#7 John R. Schreiber Case Western Reserve University 1
#7 John Evan Spirk Creative Spark 1
#7 Jerry Bohinc, Jr. Quintell Of Ohio 1
#7 Steven Willensky American Greetings 1

Part of Ohio