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

Quality Mat

Rank (All Time): #29,591 of 106,127Top 30%
8 inventors
20 Patents All Time

Top Inventors at Quality Mat All Time

Showing 1–8 of 8 inventors

RankNamePatents
1 Joe PENLAND, JR. 19
2 Scott Calvert 12
3 Thomas O'Brien 6
#4 Rustin B. Penland 5
#5 Chris Richardson 2
#5 Don COUVILLON 2
#5 Mike Carbaugh 2
#8 Joe E. Penland, Sr. 1