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

Durametallic — 31 Patents

Rank (All Time): #20,230 of 106,120Top 20%
23 inventors
31 Patents All Time

Top Inventors at Durametallic All Time

Showing 1–23 of 23 inventors

RankNamePatents
1 Josef Sedy 9
2 Kenneth G. Kakabaker 7
3 William V. Adams 5
#4 Duane A. Avard 3
#4 Lowell E. Hershey 3
#6 Christopher D. McCowey 2
#6 Harry L. Mason 2
#6 Joseph C. Parker 2
#6 Thomas E. Cook 2
#10 Jorge Mellado 1
#10 Louis H. Avard 1
#10 Artur Zobens 1
#10 Clive Brooks 1
#10 Dag O. Calafell, II 1
#10 Eric Vanhie 1
#10 John R. Vesey 1
#10 Leroy A. Waling 1
#10 Michael P. Kirby 1
#10 Sunil B. Kulkarni 1
#10 Corey Angst 1
#10 Sarath Rujakaruna 1
#10 Rudolf Hirz 1
#10 Randy R. Dingman 1