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

Marcia E. Dierolf

ExxonMobil: 4 patents #28 of 825Top 4%
Oley, PA: #1 of 2 inventorsTop 50%
Pennsylvania: #397 of 7,706 inventorsTop 6%
Overall (2022): #44,026 of 548,613Top 9%
4 Patents 2022

Issued Patents 2022

Showing 1–4 of 4 patents

Patent #TitleCo-InventorsDate
11441089 High napthenic content distillate fuel compositions Sheryl B. Rubin-Pitel, Timothy J. Anderson, Kenneth C. H. Kar, Shifang Luo, Ian J. Laurenzi +2 more 2022-09-13
11396633 High napthenic content marine fuel compositions Kenneth C. H. Kar, Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Luo 2022-07-26
11390819 High napthenic content marine fuel compositions Kenneth C. H. Kar, Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Lou 2022-07-19
11299684 High naphthenic content marine fuel compositions Kenneth C. H. Kar, Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Luo 2022-04-12