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

Super Sack Mfg. — 51 Patents

Rank (All Time): #12,930 of 106,127Top 15%
12 inventors
51 Patents All Time

Top Inventors at Super Sack Mfg. All Time

Showing 1–12 of 12 inventors

RankNamePatents
1 Norwin C. Derby 30
2 Craig Alan Nickell 25
3 Robert R. Williamson 13
#4 Norwin Derby 12
#5 Cynthia Finley 5
#5 Norman C. Derby 5
#7 Bobby Glenn Brown 4
#8 Bradley Matthew Eisenbarth 3
#9 David Kellenberger 2
#9 Vincent Edwin Durden 2
#11 Nancy Cline 1
#11 Robert R. Wiliamson 1