Issued Patents All Time
Showing 1–10 of 10 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 9327260 | Integrated process for steam cracking | S. Mark Davis, Richard C. Stell, Jiunn-Shyan Liou, Stephen H. Brown, Paul F. Keusenkothen +1 more | 2016-05-03 |
| 8118996 | Apparatus and process for cracking hydrocarbonaceous feed utilizing a pre-quenching oil containing crackable components | Richard C. Stell, Megan Renstrom Bleckinger, James N. McCoy | 2012-02-21 |
| 7998281 | Apparatus and method of cleaning a transfer line heat exchanger tube | James N. McCoy, Blair H. Margot, Subramanian Annamalai, Stephen J. Vande Stouwe | 2011-08-16 |
| 7670573 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids | Richard C. Stell, James M. Frye, Subramanian Annamalai, Nicholas G. Vidonic | 2010-03-02 |
| 7427381 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid | Richard C. Stell, George Stephens, James M. Frye | 2008-09-23 |
| 7402237 | Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter | James N. McCoy, James M. Frye, Melissa D. Stapleton, Richard C. Stell | 2008-07-22 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid | Richard C. Stell, George Stephens, James M. Frye | 2007-12-25 |
| 7244871 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids | Richard C. Stell, James M. Frye, Subramanian Annamalai, Nicholas G. Vidonic | 2007-07-17 |
| 6719953 | Process for the manufacture of olefins by a pyrolysis furnace with an internally finned U shaped radiant coil | David B. Spicer, Victor K. Wei | 2004-04-13 |
| 6419885 | Pyrolysis furnace with an internally finned U shaped radiant coil | David B. Spicer, Victor K. Wei | 2002-07-16 |