Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Thomas E. Ethington — 2 Patents

ICImi Cornelius: 2 patents #26 of 118Top 25%
Mason City, IA: #24 of 78 inventorsTop 35%
Iowa: #6,154 of 15,303 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Thomas E. Ethington has been granted 2 US patents while listed as an inventor at Imi Cornelius. The first was granted in 2000 and the most recent in May 2001. Thomas E. Ethington ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Thomas E. Ethington in Mason City, IA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
6233964 Low profile ice maker Donald G. Pannhoff, Minjun Huang, Qiao Lu 2001-05-22
6109043 Low profile ice maker Qiao Lu, Donald G. Pannhoff, Minjun Huang 2000-08-29