Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
HD

Hansjoerg Duer

SASefar Ag: 1 patents #1 of 4Top 25%
Schwarzach, AT: #1 of 3 inventorsTop 35%
Overall (2019): #452,898 of 560,194Top 85%
1 Patents 2019

Issued Patents 2019

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
10328374 Method for producing a contoured filter element and filter element arrangement 2019-06-25