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USPTO Patent Rankings Data through Sept 30, 2025
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Patrick Maurer

HGHydac Filtertechnik Gmbh: 1 patents #2 of 6Top 35%
Pocking, MA: #1 of 1 inventorsTop 100%
Overall (2011): #198,346 of 364,097Top 55%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7997421 Filtering apparatus and filter element Norbert Sann 2011-08-16