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USPTO Patent Rankings Data through Dec 31, 2025
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Norbert Schaefer — 2 Patents in 2021

TBThe Braun: 2 patents #15 of 76Top 20%
Frankfurt am Main, DE: #43 of 220 inventorsTop 20%
Overall (2021): #125,788 of 548,734Top 25%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10893746 Personal hygiene device Thomas Fritsch, Andreas Kramp, Andreas Larscheid, Marc KUNZ, Robert Schäfer 2021-01-19
10881193 Personal hygiene device Martin Haas, Andreas Kramp, Robert Schäfer 2021-01-05