Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Hans E. Wichmann — 1 Patent

DADadco: 1 patents #6 of 11Top 55%
Plymouth, MI: #621 of 1,052 inventorsTop 60%
Michigan: #50,030 of 86,293 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Hans E. Wichmann has been granted 1 US patent while listed as an inventor at Dadco. All of these patents were granted in 2020. Hans E. Wichmann ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Hans E. Wichmann in Plymouth, MI, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10864610 Swarf container filler and method David John Gretka, II, Carleton D. Hall 2020-12-15