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

U.S. Silica

Rank (All Time): #39,131 of 106,127Top 40%
13 inventors
15 Patents All Time

Top Inventors at U.S. Silica All Time

Showing 1–13 of 13 inventors

RankNamePatents
1 David Earl Weller, JR. 6
2 Rhonda Marie Jenree 4
2 Rocky Lee Smith 4
#4 Eric L. Sexauer 3
#4 Matthew W. Kolb 3
#4 Ramanan Pitchumani 3
#4 Shih-Jen Wu 3
#4 William R. Wells 3
#9 Chad Cannan 2
#9 Dale Grove 2
#9 Steve Canova 2
#12 Fangfu Zhang 1
#12 Scott K. Palm 1