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USPTO Patent Rankings Data through Dec 31, 2025
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Fritz Freyn — 5 Patents

UNUnknown: 5 patents #3,065 of 83,584Top 4%
Graz, AT: #325 of 2,200 inventorsTop 15%
Overall (All Time): #907,971 of 4,157,543Top 25%
5 Patents All Time
Fritz Freyn has been granted 5 US patents while listed as an inventor at Unknown. The first was granted in 1980 and the most recent in July 1982. Fritz Freyn ranks #907,971 of 4,157,543 US inventors in our database (top 21.8%). Patent records list Fritz Freyn in Graz, AT.

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4338893 Decompression device Colin T. Pomfret 1982-07-13
4311120 Counterbalance for an internal combustion engine Josef Greier 1982-01-19
4216746 Cylinder head for an air-cooled internal combustion engine 1980-08-12
4203402 Means for securing an injection nozzle 1980-05-20
4184468 Decompression device for internal combustion engines 1980-01-22