Issued Patents All Time
Showing 26–50 of 65 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 8025773 | System for extending the range of hydrocarbon feeds in gas crackers | Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert A. D. Strack +1 more | 2011-09-27 |
| 8025774 | Controlling tar by quenching cracked effluent from a liquid fed gas cracker | Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert D. Strack, John R. Messinger | 2011-09-27 |
| 7998281 | Apparatus and method of cleaning a transfer line heat exchanger tube | Arthur R. Di Nicolantonio, Blair H. Margot, Subramanian Annamalai, Stephen J. Vande Stouwe | 2011-08-16 |
| 7993435 | Process and apparatus for cracking hydrocarbon feedstock containing resid | Richard C. Stell, George J. Balinsky, Paul F. Keusenkothen | 2011-08-09 |
| 7977524 | Process for decoking a furnace for cracking a hydrocarbon feed | Richard C. Stell | 2011-07-12 |
| 7972498 | Resid processing for steam cracker feed and catalytic cracking | John S. Buchanan, Paul F. Keusenkothen, Stephen H. Brown, Julian Wolfenbarger, James Earl Graham | 2011-07-05 |
| 7914667 | Pyrolysis reactor conversion of hydrocarbon feedstocks into higher value hydrocarbons | Paul F. Keusenkothen, Frank Hershkowitz | 2011-03-29 |
| 7846324 | Use of heat exchanger in a process to deasphalt tar | Subramanian Annamalai, Paul F. Keusenkothen, Alok Mani Srivastava | 2010-12-07 |
| 7820035 | Process for steam cracking heavy hydrocarbon feedstocks | David B. Spicer, Richard C. Stell | 2010-10-26 |
| 7744743 | Process for upgrading tar | Paul F. Keusenkothen, Alok Mani Srivastava | 2010-06-29 |
| 7648626 | Process for cracking asphaltene-containing feedstock employing dilution steam and water injection | Richard C. Stell | 2010-01-19 |
| 7625480 | Pyrolysis furnace feed | David Beattie, Richard C. Stell, Bryan D. McVicker, Paul F. Keusenkothen, Alok Mani Srivastava +1 more | 2009-12-01 |
| 7588737 | Process and apparatus for cracking hydrocarbon feedstock containing resid | Richard C. Stell, George J. Balinsky, Paul F. Keusenkothen | 2009-09-15 |
| 7582201 | Controlling tar by quenching cracked effluent from a liquid fed gas cracker | Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert D. Strack, John R. Messinger | 2009-09-01 |
| 7578929 | Process for steam cracking heavy hydrocarbon feedstocks | Richard C. Stell, Arthur R. DiNicolantonio, James M. Frye, David B. Spicer, Robert D. Strack | 2009-08-25 |
| 7563357 | Process for cracking synthetic crude oil-containing feedstock | Paul F. Keusenkothen, James Earl Graham, Chad David Reimann | 2009-07-21 |
| 7560019 | System and method for extending the range of hydrocarbon feeds in gas crackers | Walter F. Filupeit, Barrington M. Hammond, David J. Duhon, Mark A. Rooney, Robert A. D. Strack +1 more | 2009-07-14 |
| 7560020 | Deasphalting tar using stripping tower | Subramanian Annamalai, Paul F. Keusenkothen | 2009-07-14 |
| 7553460 | Process and apparatus for cracking hydrocarbon feedstock containing resid to improve vapor yield from vapor/liquid separation | Richard C. Stell, Jennifer L. Bancroft, Arthur R. DiNicolantonio, Subramanian Annamalai, Paul F. Keusenkothen +5 more | 2009-06-30 |
| 7488459 | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking | Richard C. Stell | 2009-02-10 |
| 7413648 | Apparatus and process for controlling temperature of heated feed directed to a flash drum whose overhead provides feed for cracking | Richard C. Stell | 2008-08-19 |
| 7402237 | Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter | Arthur R. Di Nicolantonio, James M. Frye, Melissa D. Stapleton, Richard C. Stell | 2008-07-22 |
| 7312371 | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors | Richard C. Stell, Robert D. Strack, James M. Frye, Alok Mani Srivastava, Subramanian Annamalai | 2007-12-25 |
| 7297833 | Steam cracking of light hydrocarbon feedstocks containing non-volatile components and/or coke precursors | David Beattie, Richard C. Stell, Alok Mani Srivastava | 2007-11-20 |
| 7220887 | Process and apparatus for cracking hydrocarbon feedstock containing resid | Richard C. Stell, George J. Balinsky, Paul F. Keusenkothen | 2007-05-22 |