Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date | Approx Value ⓘ |
|---|---|---|---|---|
| 12473497 | Processes and systems for removing coke particles from a pyrolysis effluent | Thomas T. Hirst, George Stephens | 2025-11-18 | |
| 7780843 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, George Stephens, James M. Frye | 2010-08-24 | $95,941,000 |