Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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Bill DeKeyser — 2 Patents

FLFluidmaster: 1 patents #42 of 86Top 50%
Rancho Santa Margarita, CA: #372 of 743 inventorsTop 55%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Bill DeKeyser has been granted 2 US patents while listed as an inventor at Fluidmaster. The first was granted in 2011 and the most recent in May 2012. Bill DeKeyser ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Bill DeKeyser in Rancho Santa Margarita, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
8185976 Flush valve mechanism Tuan Le, Bryan A. Janish, Robert Collin 2012-05-29
7909054 Shank assembly for a fill valve Tuan Le, Robert Collin 2011-03-22