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

Marcia E. Dierolf

ExxonMobil: 5 patents #2,140 of 10,161Top 25%
Oley, PA: #4 of 22 inventorsTop 20%
Pennsylvania: #15,920 of 74,527 inventorsTop 25%
Overall (All Time): #953,847 of 4,157,543Top 25%
5 Patents All Time

Issued Patents All Time

Showing 1–5 of 5 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
10899983 High napthenic content marine fuel compositions Kenneth C. H. Kar, Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Luo 2021-01-26