Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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William C. Epstein — 2 Patents

IDIdentrust: 1 patents #4 of 24Top 20%
Salt Lake City, UT: #1,915 of 4,590 inventorsTop 45%
Utah: #8,007 of 19,430 inventorsTop 45%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
William C. Epstein has been granted 2 US patents while listed as an inventor at Identrust. The first was granted in 2014 and the most recent in August 2022. William C. Epstein ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list William C. Epstein in Salt Lake City, UT, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11418955 System and methods for transit path security assured network slices John A. Marinho, Carlos Solari, Matthew Silveira, Russell Housley, Timothy Ray Newman +2 more 2022-08-16
8793487 Binding a digital certificate to multiple trust domains Lawrence R. Miller 2014-07-29