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

E-C Apparatus — 6 Patents

Rank (All Time): #87,470 of 105,732Top 85%
7 inventors
6 Patents All Time

Patents per Year

Patents granted per year, 1980 to 1996Bar chart with a peak of 2 patents in 1980.peak 21980: 2 patents19801984: 1 patents19841985: 1 patents19851990: 1 patents19901996: 1 patents1996

Top Inventors at E-C Apparatus All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 William W. Gorman, Jr. 5
2 Esther M. Gorman 4
3 Mark F. Shon 1
3 Kathe L. Brautigam 1
3 Robert Evans 1
3 Virgil Wheeler 1
3 Nicolas Neckelmann 1