Issued Patents All Time
Showing 26–50 of 56 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8454349 | Removable light-off port plug for use in burners | George Stephens | 2013-06-04 |
| 8435386 | Method and apparatus for recycle of knockout drum bottoms | Richard C. Stell, George Stephens | 2013-05-07 |
| 8177200 | Method and apparatus for cooling pyrolysis effluent | Robert D. Strack, George Stephens, James M. Frye | 2012-05-15 |
| 8158840 | Process and apparatus for cooling liquid bottoms from vapor/liquid separator during steam cracking of hydrocarbon feedstocks | — | 2012-04-17 |
| 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 |
| 7820035 | Process for steam cracking heavy hydrocarbon feedstocks | James N. McCoy, Richard C. Stell | 2010-10-26 |
| 7758823 | Quench exchange with extended surface on process side | Wallace L. Ottersbach | 2010-07-20 |
| 7578929 | Process for steam cracking heavy hydrocarbon feedstocks | Richard C. Stell, Arthur R. DiNicolantonio, James M. Frye, James N. McCoy, Robert D. Strack | 2009-08-25 |
| 7476099 | Removable light-off port plug for use in burners | George Stephens | 2009-01-13 |
| 7322818 | Method for adjusting pre-mix burners to reduce NOx emissions | George Stephens | 2008-01-29 |
| 7138047 | Process for steam cracking heavy hydrocarbon feedstocks | Richard C. Stell, Arthur R. DiNicolantonio, James M. Frye, James N. McCoy, Robert D. Strack | 2006-11-21 |
| 7090765 | Process for cracking hydrocarbon feed with water substitution | Arthur R. DiNicolantonio, James M. Frye, Richard C. Stell | 2006-08-15 |
| 7025587 | Burner with high capacity venturi | George Stephens | 2006-04-11 |
| 6986658 | Burner employing steam injection | George Stephens | 2006-01-17 |
| 6902390 | Burner tip for pre-mix burners | — | 2005-06-07 |
| 6893252 | Fuel spud for high temperature burners | George Stephens | 2005-05-17 |
| 6890171 | Apparatus for optimizing burner performance | George Stephens, James Harold Belt, Jr., Robert R. Trimble | 2005-05-10 |
| 6890172 | Burner with flue gas recirculation | George Stephens, Mark E. Bury, Roberto O. Pellizzari, Peter J. Loftus | 2005-05-10 |
| 6887068 | Centering plate for burner | — | 2005-05-03 |