Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
DC

David Colasurdo

IBM: 5 patents #18,733 of 70,183Top 30%
Durham, NC: #986 of 4,103 inventorsTop 25%
North Carolina: #10,032 of 45,564 inventorsTop 25%
Overall (All Time): #1,000,630 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
9471453 Management of test artifacts using cascading snapshot mechanism Paul F. McMahan, Sachin P. Patel, John Patrick Whitfield 2016-10-18
8607152 Management of test artifacts using cascading snapshot mechanism Paul F. McMahan, Sachin P. Patel, John Patrick Whitfield 2013-12-10
8275889 Clone-managed session affinity Michael L. Fraenkel, Srinivas Hasti, Gabe G. Montero 2012-09-25
7543066 Method and apparatus for maintaining session affinity across multiple server groups Srinivas Hasti, Gabriel G. Montero 2009-06-02
7222344 Method and apparatus for scheduling invalidation tests for HTTP sessions Gabriel G. Montero, Srinivas Hasti 2007-05-22