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

Dsi Underground Systems — 8 Patents

Rank (All Time): #66,204 of 105,917Top 65%
15 inventors
8 Patents All Time

Patents per Year

Patents granted per year, 2012 to 2015Bar chart with a peak of 4 patents in 2013.peak 42012: 1 patents20122013: 4 patents20132014: 2 patents20142015: 1 patents2015

Top Inventors at Dsi Underground Systems All Time

Showing 1–15 of 15 inventors

RankNamePatents
1 James Edward Pinkley 3
2 Billy J. Brown 2
2 Brian Masloff 2
2 John C. Fodor 2
2 Phillip Edwin Gramlich, Jr. 2
2 Roy Jones 2
2 Steven J. Thorogood 2
#8 Ed Rollandini 1
#8 George Pesansky 1
#8 James Cook 1
#8 Jeffrey T. Gotro 1
#8 John M. Sheeler 1
#8 Matthew S. Slatter 1
#8 Roland Walker 1
#8 William G. Fox 1