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USPTO Patent Rankings Data through Dec 31, 2025
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Dirk Epperson — 2 Patents

SYSybase: 2 patents #107 of 384Top 30%
Berkeley, CA: #1,815 of 3,731 inventorsTop 50%
California: #187,151 of 386,348 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
Dirk Epperson has been granted 2 US patents while listed as an inventor at Sybase. The first was granted in 1998 and the most recent in July 1999. Dirk Epperson ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list Dirk Epperson in Berkeley, CA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
5925100 Client/server system with methods for prefetching and managing semantic objects based on object-based prefetch primitive present in client's executing application Raymond Drewry, David P. George 1999-07-20 $17,436,000
5754771 Maximum receive capacity specifying query processing client/server system replying up to the capacity and sending the remainder upon subsequent request David W. Van Couvering 1998-05-19 $10,944,000