Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Robert Cassin McFadden — 2 Patents

UNUnknown: 3 patents #7,366 of 83,584Top 9%
ExxonMobil: 1 patents #5,674 of 10,161Top 60%
Ottawa, CA: #2,643 of 6,399 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Robert Cassin McFadden has been granted 2 US patents while listed as an inventor at Unknown. The first was granted in 2011 and the most recent in March 2025. Robert Cassin McFadden ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Robert Cassin McFadden in Ottawa, ON, CA.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
12259298 Pressure testing apparatus and method Robert Turner Clarke, Valen Varangu-Booth 2025-03-25
8026846 Mobile radiation surveillance network Shannon Dinesh Lal, Christopher James Clarke 2011-09-27