Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
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Estrella Rogel — 2 Patents in 2021

Chevron: 2 patents #57 of 352Top 20%
Orinda, CA: #15 of 82 inventorsTop 20%
California: #13,721 of 66,859 inventorsTop 25%
Overall (2021): #163,483 of 548,734Top 30%
2 Patents 2021

Issued Patents 2021

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
10975291 Method of selection of asphaltene precipitant additives and process for subsurface upgrading therewith Cesar Ovalles, Ian Phillip Benson, Ronald A. Behrens 2021-04-13
10907473 Low volume in-line filtration methods for analyzing hydrocarbon-containing fluid to evaluate asphaltene content and behavior during production operations Cesar Ovalles, Michael E. Moir 2021-02-02