Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Carlen Controls — 5 Patents

Rank (All Time): #98,550 of 105,732Top 95%
3 inventors
5 Patents All Time

Patents per Year

Patents granted per year, 1991 to 2011Bar chart with a peak of 1 patents in 1991.peak 11991: 1 patents19911992: 1 patents19921993: 1 patents19932000: 1 patents20002011: 1 patents2011

Top Inventors at Carlen Controls All Time

Showing 1–3 of 3 inventors

RankNamePatents
1 Eric T. Carlen 5
2 David G. Roberson 1
2 Hiep T. Bui 1