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

Del Industries

Rank (All Time): #50,183 of 106,127Top 50%
9 inventors
11 Patents All Time

Top Inventors at Del Industries All Time

Showing 1–9 of 9 inventors

RankNamePatents
1 Frank G. Martin 8
2 Dennis Lavelle 5
3 Allen D. Clawson 4
#4 David Sands 2
#5 Elizabeth C. Hamil 1
#5 Ezra Phillips 1
#5 Fredrick Salter 1
#5 Henry Schmitz 1
#5 Joseph A. Cannavino 1