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

Quadrant Epp Ag — 10 Patents

Rank (All Time): #54,349 of 106,127Top 55%
10 inventors
10 Patents All Time

Top Inventors at Quadrant Epp Ag All Time

Showing 1–10 of 10 inventors

RankNamePatents
1 Joseph V. Gregg 7
2 Wesley Allen Kohler 6
3 Lyle D. Berning 3
#4 Richard W. Campbell 2
#4 Scott Howard Williams 2
#4 Stephan Glander 2
#7 Brian Michael Yarcich 1
#7 Ermanno Nizzoli 1
#7 Hendrik Vandenbruaene 1
#7 Rob Oolderink 1