Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
GR

Grinnell — 42 Patents

Rank (All Time): #15,368 of 106,120Top 15%
27 inventors
42 Patents All Time

Top Inventors at Grinnell All Time

Showing 1–27 of 27 inventors

RankNamePatents
1 Michael A. Fischer 11
2 Yoram Ringer 7
3 James W. Mears 5
3 Leo W. Fleury, Jr. 5
#5 Donald B. Pounder 3
#5 James F. Martin 3
#5 James M. Martin 3
#5 Michael W. Horgan 3
#9 Charles N. Chatterley 2
#9 David J. Leblanc 2
#9 Gregory Michael Fuchs 2
#9 Jerome S. Pepi 2
#9 Michael A. Fishcer 2
#9 Robert J. Poleshuk 2
#9 Sandra M. Lippka 2
#16 DAVID MICHAEL FINNEGAN 1
#16 Frank J. Birch 1
#16 Glenn Harris 1
#16 James O. Williams 1
#16 Roger S. Wilkins 1
#16 Ronnie Willis 1
#16 Thomas Edwin Archibald 1
#16 Timothy Vielhaber 1
#16 Mark Martelle 1
#16 Norman Whitney 1
#16 Robert D. Tramm 1
#16 Tina M. Sudnick 1