Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederick Schirk — 1 Patent

ARAmplifier Research: 1 patents #4 of 8Top 50%
Green Lane, PA: #24 of 44 inventorsTop 55%
Pennsylvania: #43,533 of 74,527 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frederick Schirk has been granted 1 US patent while listed as an inventor at Amplifier Research. All of these patents were granted in 2000. Frederick Schirk ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederick Schirk in Green Lane, PA, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
6066994 Broadband directional coupler including amplifying, sampling and combining circuits Donald R. Shepherd 2000-05-23