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

Efb — 7 Patents

Rank (All Time): #73,253 of 105,732Top 70%
4 inventors
7 Patents All Time

Patents per Year

Patents granted per year, 1981 to 2015Bar chart with a peak of 2 patents in 1985.peak 21981: 1 patents19811983: 1 patents19831985: 2 patents19851987: 1 patents19872014: 1 patents20142015: 1 patents2015

Top Inventors at Efb All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Karim Zahedi 7
2 Jeffrey C. Alexander 4
3 Jeffery C. Alexander 1
3 Peter B. Zieve 1