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USPTO Patent Rankings Data through Sept 30, 2025
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Hans-Joachim Burger

HFHerding Gmbh Filtertechnik: 1 patents #1 of 2Top 50%
Kümmersbruck, DE: #1 of 2 inventorsTop 50%
Overall (2004): #214,832 of 270,089Top 80%
1 Patents 2004

Issued Patents 2004

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6709589 Dimensionally stable, cross-flow permeable fluid treatment element Walter Herding 2004-03-23