Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
C3

C3

Rank (All Time): #41,624 of 106,127Top 40%
25 inventors
14 Patents All Time

Top Inventors at C3 All Time

Showing 1–25 of 25 inventors

RankNamePatents
1 Jeffery J. VanHandel 5
1 Joseph F. Van De Hey 5
1 Alex N. Kuffel 5
1 Alex M. Zirbel 5
#5 Charles Eric Hunter 4
#6 Dirk Verbiest 2
#6 Grant D. Daniels 2
#6 Scott S. Ebben 2
#6 Thomas G. Coleman 2
#10 Boris Klots 1
#10 Chungguk Lee 1
#10 David M. DeHaai 1
#10 David William Penman 1
#10 Douglas G. Waltz 1
#10 Glen Edward Murphy 1
#10 Gregory J. Foster 1
#10 Heeseok JUNG 1
#10 Johann August Schoonees 1
#10 Kurt Nassau 1
#10 Kyungkyoo Chang 1
#10 Nawar Sami Alwesh 1
#10 Robert W. Sheldon 1
#10 Robert Jan Valkenburg 1
#10 Youngjoo Yee 1
#10 Angelica Cox 1