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

Steven C. Haas

ExxonMobil: 2 patents #3,932 of 10,161Top 40%
Houston, TX: #8,651 of 21,073 inventorsTop 45%
Texas: #52,441 of 125,132 inventorsTop 45%
Overall (All Time): #1,838,772 of 4,157,543Top 45%
2 Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
11279723 Metallocene synthesis process Charles J. Harlan, Matthew W. Holtcamp, Subramaniam Kuppuswamy 2022-03-22
11021552 Toluene free silica supported single-site metallocene catalysts from in-situ supported alumoxane formation in aliphatic solvents Charles J. Harlan, Lubin Luo, Francis C. Rix, Xuan Ye 2021-06-01