Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Frederick de St. Croix — 1 Patent

UNUnknown: 1 patents #29,356 of 83,584Top 40%
Black Creek, CA: #1 of 2 inventorsTop 50%
Overall (All Time): #2,406,284 of 4,157,543Top 60%
1 Patents All Time
Frederick de St. Croix has been granted 1 US patent while listed as an inventor at Unknown. All of these patents were granted in 2018. Frederick de St. Croix ranks #2,406,284 of 4,157,543 US inventors in our database (top 57.9%). Patent records list Frederick de St. Croix in Black Creek, BC, CA.

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
9995507 Systems for cost-effective concentration and utilization of solar energy Richard Norman, Philippe Dauphin 2018-06-12