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Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Raphael Klein — 1 Patent in 2021

HGHydac Process Technology Gmbh: 1 patents #3 of 12Top 25%
Los Altos, CA: #359 of 775 inventorsTop 50%
California: #26,007 of 66,859 inventorsTop 40%
Overall (2021): #294,709 of 548,734Top 55%
1 Patents 2021

Issued Patents 2021

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10981092 Filter device Hans-Juergen Lingen, Stefan Klein, Sebastian Hrin 2021-04-20