Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Dan Graupe — 1 Patent

Intel: 1 patents #18,326 of 30,777Top 60%
Highland Park, IL: #348 of 599 inventorsTop 60%
Illinois: #49,230 of 84,256 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Dan Graupe has been granted 1 US patent while listed as an inventor at Intel. All of these patents were granted in 1988. Dan Graupe ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Dan Graupe in Highland Park, IL, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
4783818 Method of and means for adaptively filtering screeching noise caused by acoustic feedback John Grosspietsch, Stavros Basseas 1988-11-08