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USPTO Patent Rankings Data through Sept 30, 2025
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Peter Dransfeld

Kirchheimbolanden, DE: #23 of 48 inventorsTop 50%
Overall (All Time): #2,997,101 of 4,157,543Top 75%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9321656 Process for preparing aqueous solutions of cobalt sulfate Simon Schroedle, Gabriele Iffland, Ralf Boehling 2016-04-26