Patent Leaderboard
USPTO Patent Rankings Data through Dec 31, 2025
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David Rowlands — 2 Patents

Oracle: 2 patents #5,565 of 14,854Top 40%
Leominster, MA: #117 of 286 inventorsTop 45%
Massachusetts: #42,563 of 88,656 inventorsTop 50%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David Rowlands has been granted 2 US patents while listed as an inventor at Oracle. The first was granted in 2001 and the most recent in January 2007. David Rowlands ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David Rowlands in Leominster, MA, US.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
7165097 System for distributed error reporting and user interaction Paul F. Mackin, Luk S. Ho, Robert C. Donat, Chung Yan Cheng 2007-01-16 $158,239,000
6173420 Method and apparatus for fail safe configuration Ramu Sunkara, Luk S. Ho, Paul F. Mackin 2001-01-09 $1,442,973,000