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

IBM: 2 patents #32,909 of 70,183Top 50%
Southampton, GB: #388 of 980 inventorsTop 40%
Overall (All Time): #1,709,992 of 4,157,543Top 45%
2 Patents All Time
David McCann has been granted 2 US patents while listed as an inventor at IBM. The first was granted in 2009 and the most recent in October 2014. David McCann ranks #1,709,992 of 4,157,543 US inventors in our database (top 41.1%). Patent records list David McCann in Southampton, GB.

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDateApprox Value ⓘ
8874667 Linking topics in a publish/subscribe messaging environment Ian C. Edwards, David Postlethwaite 2014-10-28 $3,762,000
7487272 Using queue specific variable(s) to efficiently delete expired items in an ordered queue without necessarily checking each queued item's expiry time Andrew Hickson 2009-02-03 $3,057,000