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Hansjoerg Duer

SA Sefar Ag: 3 patents #3 of 35Top 9%
📍 Schwarzach, AT: #7 of 23 inventorsTop 35%
Overall (All Time): #1,469,568 of 4,157,543Top 40%
3
Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
10328374 Method for producing a contoured filter element and filter element arrangement 2019-06-25
9278299 Filter element including a filter press plate Richard M. Gaiser 2016-03-08
8291554 Fastening element for two-dimensional fibre material and method for fastening two-dimensional fibre material 2012-10-23