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

Hartco — 11 Patents

Rank (All Time): #51,620 of 106,127Top 50%
7 inventors
11 Patents All Time

Top Inventors at Hartco All Time

Showing 1–7 of 7 inventors

RankNamePatents
1 Kenneth C. Pearson 5
1 Arthur Langas 5
3 Donald B. Ayres 3
#4 Glenn Gustafson 1
#4 Harrison Church Lingle 1
#4 Thomas A. Frazier 1
#4 Wayne Bechtoldt 1