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

Cdf — 20 Patents

Rank (All Time): #29,017 of 105,732Top 30%
14 inventors
20 Patents All Time

Patents per Year

Patents granted per year, 1991 to 2023Bar chart with a peak of 3 patents in 2021.peak 31991: 1 patents19911998: 1 patents2001: 2 patents20012002: 1 patents2007: 1 patents20072010: 1 patents2011: 1 patents20112012: 1 patents2013: 1 patents20132015: 2 patents2016: 2 patents20162020: 1 patents2021: 3 patents20212023: 2 patents2023

Top Inventors at Cdf All Time

Showing 1–14 of 14 inventors

RankNamePatents
1 Joseph Sullivan 18
2 James Plunkett 7
3 Bob Buchenen 2
3 Mark Sinn 2
3 Maxwell A. Sullivan 2
3 Robert Buchenan 2
3 Robert H. P. Fougere 2
3 Steve Gosling 2
#9 Christian P. Marlowe 1
#9 Edward D. Marlowe 1
#9 Joe Wanner 1
#9 Stephen Gosling 1
#9 Terry Staed 1
#9 William Harvey 1