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

Terrence P. Purcell

IBM: 1 patents #44,794 of 70,183Top 65%
New Berlin, IL: #3 of 6 inventorsTop 50%
Illinois: #48,934 of 84,256 inventorsTop 60%
Overall (All Time): #3,275,510 of 4,157,543Top 80%
1 Patents All Time

Issued Patents All Time

Showing 1–1 of 1 patents

Patent #TitleCo-InventorsDate
7644063 Apparatus, system, and method for ensuring query execution plan stability in a database management system Patrick D. Bossman, Frank D. Bower, John J. Campbell, You-Chin Fuh, Adarsh R. Pannu 2010-01-05