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

Douglas Chrystall

QSQuest Software: 2 patents #65 of 240Top 30%
DSDell Software: 1 patents #83 of 210Top 40%
Wellesley, MA: #360 of 837 inventorsTop 45%
Massachusetts: #33,482 of 88,656 inventorsTop 40%
Overall (All Time): #1,536,960 of 4,157,543Top 40%
3 Patents All Time

Issued Patents All Time

Showing 1–3 of 3 patents

Patent #TitleCo-InventorsDate
8898136 System for categorizing database statements for performance tuning Ariel Nissim Weil, Patrick Joseph O'Keeffe 2014-11-25
8527543 System for categorizing database statements for performance tuning Ariel Nissim Weil, Patrick Joseph O'Keeffe 2013-09-03
8260750 Intelligent backup escalation system David Mark Gugick, David Michael Swanson 2012-09-04