Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
FJ

Frederick R. John — 1 Patent

FDFlow Dynamics: 1 patents #2 of 6Top 35%
Scottsdale, AZ: #1,977 of 3,386 inventorsTop 60%
Arizona: #18,529 of 32,909 inventorsTop 60%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frederick R. John has been granted 1 US patent while listed as an inventor at Flow Dynamics. All of these patents were granted in 2007. Frederick R. John ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederick R. John in Scottsdale, AZ, US.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7219560 Method for determining and correcting for turbine meter overspin at the instantaneous stoppage of flow rate Paul D. Olivier 2007-05-22