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

Aggregates Equipment — 9 Patents

Rank (All Time): #61,438 of 105,732Top 60%
6 inventors
9 Patents All Time

Patents per Year

Patents granted per year, 1983 to 2023Bar chart with a peak of 2 patents in 1983.peak 21983: 2 patents19831984: 1 patents19841987: 1 patents19871992: 1 patents19921993: 1 patents19931994: 1 patents19941999: 1 patents19992023: 1 patents2023

Top Inventors at Aggregates Equipment All Time

Showing 1–6 of 6 inventors

RankNamePatents
1 Lam Nguyen 4
2 Franklin M. McCorkel 2
3 D. Leonard Stairs 1
3 Hans De Bruijn 1
3 Harold Morrow 1
3 Steve E. Buchanan 1