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USPTO Patent Rankings Data through Dec 31, 2025
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George E. Fredericks — 5 Patents

UNUnknown: 2 patents #12,644 of 83,584Top 20%
AAAvl Ag: 1 patents #15 of 29Top 55%
Graz, AT: #325 of 2,200 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
George E. Fredericks has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in February 1992. George E. Fredericks ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list George E. Fredericks in Graz, AT.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
5086655 Orifice measuring device Alfred O. Jaschek 1992-02-11
4795967 Level measuring device for electrically non-conductive liquids 1989-01-03
4481465 Capacitive measuring transducer Horst Preschern 1984-11-06
4318041 Circuit arrangement for an electro-chemical measuring device 1982-03-02
4195516 Apparatus for continuously measuring rates of flow of a liquid 1980-04-01