PC

Philip J. Closmann

Shell Oil Compny: 5 patents #661 of 4,423Top 15%
📍 Houston, TX: #4,499 of 21,073 inventorsTop 25%
🗺 Texas: #28,318 of 125,132 inventorsTop 25%
Overall (All Time): #1,064,182 of 4,157,543Top 30%
5
Patents All Time

Issued Patents All Time

Showing 1–5 of 5 patents

Patent #TitleCo-InventorsDate
4712006 Steam quality measurement apparatus and method Bernard Zemel 1987-12-08
4669299 Measuring relative permeability to steam in cores of water and oil containing reservoir formations 1987-06-02
4633948 Steam drive from fractured horizontal wells 1987-01-06
4514283 Process for separating and converting heavy oil asphaltenes in a field location Monroe H. Waxman, Charles T. Deeds 1985-04-30
4480039 Heavy oil sample preparation James T. Wortham 1984-10-30