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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Charles E. Devaney — 5 Patents

CEClark Equipment: 2 patents #143 of 416Top 35%
Jordan, MN: #19 of 69 inventorsTop 30%
Minnesota: #13,707 of 52,454 inventorsTop 30%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Charles E. Devaney has been granted 5 US patents while listed as an inventor at Clark Equipment. The first was granted in 1993 and the most recent in September 2002. Charles E. Devaney ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Charles E. Devaney in Jordan, MN, US.

Patents per Year

Patents granted per year, 1993 to 2002Bar chart with a peak of 2 patents in 1993.peak 21993: 2 patents19931995: 1 patents19952001: 1 patents20012002: 1 patents2002

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
6453957 Cutting attachment 2002-09-24
6279665 Sod cutting attachment for skid-steer vehicle 2001-08-28
D358401 Earth grader 1995-05-16
D335883 U-shaped shovel attachment 1993-05-25
D335131 Blade for earth digging implement 1993-04-27