Issued Patents 2011
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8074707 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, George Stephens, James M. Frye | 2011-12-13 |
| 8075305 | Dual fuel gas-liquid burner | George Stephens | 2011-12-13 |
| 8074973 | Method and apparatus for cooling pyrolysis effluent | Robert D. Strack, George Stephens, James M. Frye | 2011-12-13 |
| 8057663 | Method and apparatus for recycle of knockout drum bottoms | Richard C. Stell, George Stephens | 2011-11-15 |
| 8002951 | Furnace and process for incinerating a decoke effluent in a twin-tube-plane furnace | Caleb M. Scherer | 2011-08-23 |
| 7909601 | Dual fuel gas-liquid burner | George Stephens, Kurt Kraus | 2011-03-22 |
| 7901204 | Dual fuel gas-liquid burner | George Stephens | 2011-03-08 |