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USPTO Patent Rankings Data through Sept 30, 2025
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Roncalli J. Twomey — 2 Patents

SISaudi Basic Industries: 2 patents #160 of 474Top 35%
Houston, TX: #8,651 of 21,073 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #2,137,966 of 4,157,543Top 55%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
7576026 Method of hydrothermal treatment of phosphorus-modified zeolite catalyts Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey 2009-08-18
7304194 Hydrothermal treatment of phosphorus-modified zeolite catalysts Ashim Kumar Ghosh, Neeta Kulkarni, Pamela Harvey 2007-12-04