Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Shepard — 1 Patent in 2021

PDPacific Industrial Development: 1 patents #1 of 5Top 20%
Canton, MI: #156 of 357 inventorsTop 45%
Michigan: #3,301 of 9,874 inventorsTop 35%
Overall (2021): #479,287 of 548,734Top 90%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10882755 Method of making mesoporous zirconium-based mixed oxides Anatoly Bortun, Yunkui Li, Wei Wu, Jeffery Lachapelle 2021-01-05