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USPTO Patent Rankings Data through Sept 30, 2025
SH

Stefan Hajek

HFHerding Gmbh Filtertechnik: 1 patents #1 of 6Top 20%
Amberg, DE: #7 of 21 inventorsTop 35%
Overall (2011): #160,698 of 364,097Top 45%
1 Patents 2011

Issued Patents 2011

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
8052878 Filter element with coating for surface filtration Urs Herding, Kurt Palz, Wolfgang Raabe, Reiner Thuerauf, Bernd Meindl 2011-11-08