Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Eric Willhelm — 1 Patent

AZA. Zahner: 1 patents #3 of 5Top 60%
Lawrence, KS: #438 of 744 inventorsTop 60%
Kansas: #6,371 of 12,005 inventorsTop 55%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Eric Willhelm has been granted 1 US patent while listed as an inventor at A. Zahner. All of these patents were granted in 2007. Eric Willhelm ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Eric Willhelm in Lawrence, KS, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7212688 Computer program and method for converting an image to machine control data L. William Zahner, III 2007-05-01