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USPTO Patent Rankings Data through Dec 31, 2025
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Erwin Endres — 1 Patent

BOBOE: 1 patents #7,871 of 12,373Top 65%
Ludwigshafen, DE: #1,189 of 1,722 inventorsTop 70%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Erwin Endres has been granted 1 US patent while listed as an inventor at BOE. All of these patents were granted in 1991. Erwin Endres ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Erwin Endres in Ludwigshafen, DE.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
5055195 Erythrocyte-retention substrates Heinz-Friedrich Trasch, Andreas Trost, Walter Rittersdorf 1991-10-08