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

Kenneth C. H. Kar

EXExxonMobil: 15 patents #740 of 10,161Top 8%
Philadelphia, PA: #195 of 4,834 inventorsTop 5%
Pennsylvania: #4,940 of 74,527 inventorsTop 7%
Overall (All Time): #310,810 of 4,157,543Top 8%
15 Patents All Time

Issued Patents All Time

Showing 1–15 of 15 patents

Patent #TitleCo-InventorsDate
11879105 Marine fuel compositions with acceptable wax behavior Timothy J. Anderson, Erin R. Fruchey, Suzanne R. Golisz, Sheryl B. Rubin-Pitel 2024-01-23
11603502 Marine fuel compositions Lisa M. Guay, Sheryl B. Rubin-Pitel 2023-03-14
11485920 Ultra low sulfur marine fuel compositions Sheryl B. Rubin-Pitel, Shifang Luo, Randolph J. Smiley, Lisa M. Guay 2022-11-01
11441089 High napthenic content distillate fuel compositions Sheryl B. Rubin-Pitel, Timothy J. Anderson, Marcia E. Dierolf, Shifang Luo, Ian J. Laurenzi +2 more 2022-09-13
11396633 High napthenic content marine fuel compositions Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Luo, Marcia E. Dierolf 2022-07-26
11390819 High napthenic content marine fuel compositions Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Lou, Marcia E. Dierolf 2022-07-19
11299684 High naphthenic content marine fuel compositions Sheryl B. Rubin-Pitel, Lisa M. Guay, Timothy J. Anderson, Shifang Luo, Marcia E. Dierolf 2022-04-12
11084998 Diesel boiling-range fuel blend and methods of making the same Alexander S. Freer, Charles D. Lund, Heather D. Hamje, Krystal B. Wrigley 2021-08-10
10781386 Cetane improver in fuel oil Sheryl B. Rubin-Pitel, David T. Ferrughelli, Anthony S. Mennito, Teng Xu 2020-09-22
10781391 Low sulfur marine fuel compositions Erin R. Fruchey, Scott K. Berkhous, Sheryl B. Rubin-Pitel, Aditya S. Shetkar 2020-09-22
10647925 Fuel components from hydroprocessed deasphalted oils Sheryl B. Rubin-Pitel, Kendall S. Fruchey 2020-05-12
10597596 Natural gas condensates in fuel compositions Scott K. Berkhous, Sheryl B. Rubin-Pitel, Erin R. Fruchey 2020-03-24
10597594 Low sulfur marine fuel compositions Erin R. Fruchey, Scott K. Berkhous, Sheryl B. Rubin-Pitel, Aditya S. Shetkar 2020-03-24
10550335 Fluxed deasphalter rock fuel oil blend component oils Sheryl B. Rubin-Pitel, Kendall S. Fruchey 2020-02-04
10550345 Natural gas condensates in fuel compositions Scott K. Berkhous, Sheryl B. Rubin-Pitel, Erin R. Fruchey 2020-02-04