Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Cleveland Machine Controls — 9 Patents

Rank (All Time): #58,816 of 105,732Top 60%
4 inventors
9 Patents All Time

Patents per Year

Patents granted per year, 1982 to 1998Bar chart with a peak of 3 patents in 1989.peak 31982: 1 patents19821984: 1 patents19841987: 1 patents19871988: 2 patents19881989: 3 patents19891998: 1 patents1998

Top Inventors at Cleveland Machine Controls All Time

Showing 1–4 of 4 inventors

RankNamePatents
1 Robert G. Koenig 4
2 Elmer L. Griebeler 3
3 Robert D. Matusek 1
3 Robert L. Mulgrave 1