Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
ES

Efc Systems

Rank (All Time): #35,068 of 106,127Top 35%
11 inventors
17 Patents All Time

Top Inventors at Efc Systems All Time

Showing 1–11 of 11 inventors

RankNamePatents
1 Gunnar van der Steur 12
2 Joseph Cichocki 8
3 Greg S. Guyette 1
3 Gunnar Steur 1
3 Jeffrey Allen Dearborn 1
3 John Hamilton 1
3 John H. Long 1
3 Lance W Fleming, Jr. 1
3 Lewis Bryan Kefauver 1
3 Stephen Paul Dumelow 1
3 Kevin Dennis Luckey 1