Issued Patents All Time
Showing 1–21 of 21 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10336945 | Process and apparatus for decoking a hydrocarbon steam cracking furnace | David B. Spicer, Subramanian Annamalai | 2019-07-02 |
| 8684384 | Process for cracking a heavy hydrocarbon feedstream | David B. Spicer, Caleb M. Scherer, Subramanian Annamalai | 2014-04-01 |
| 8177200 | Method and apparatus for cooling pyrolysis effluent | David B. Spicer, Robert D. Strack, George Stephens | 2012-05-15 |
| 8074973 | Method and apparatus for cooling pyrolysis effluent | David B. Spicer, Robert D. Strack, George Stephens | 2011-12-13 |
| 8074707 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, David B. Spicer, George Stephens | 2011-12-13 |
| 7780843 | Method for processing hydrocarbon pyrolysis effluent | Robert D. Strack, David Spicer, George Stephens | 2010-08-24 |
| 7767008 | Vapor/liquid separation apparatus | David Beattie, Richard C. Stell, Subramanian Annamalai, Alok Mani Srivastava | 2010-08-03 |
| 7670573 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids | Richard C. Stell, Arthur R. Di Nicolantonio, Subramanian Annamalai, Nicholas G. Vidonic | 2010-03-02 |
| 7578929 | Process for steam cracking heavy hydrocarbon feedstocks | Richard C. Stell, Arthur R. DiNicolantonio, David B. Spicer, James N. McCoy, Robert D. Strack | 2009-08-25 |
| 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, James N. McCoy +5 more | 2009-06-30 |
| 7544852 | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace | Richard C. Stell, Subramanian Annamalai | 2009-06-09 |
| 7481871 | Vapor/liquid separation apparatus | David Beattie, Richard C. Stell, Subramanian Annamalai, Alok Mani Srivastava | 2009-01-27 |
| 7427381 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid | Richard C. Stell, Arthur R. Di Nicolantonio, George Stephens | 2008-09-23 |
| 7402237 | Steam cracking of hydrocarbon feedstocks containing salt and/or particulate matter | James N. McCoy, Arthur R. Di Nicolantonio, Melissa D. Stapleton, Richard C. Stell | 2008-07-22 |
| 7351872 | Process and draft control system for use in cracking a heavy hydrocarbon feedstock in a pyrolysis furnace | Richard C. Stell, Subramanian Annamalai | 2008-04-01 |
| 7311746 | Vapor/liquid separation apparatus for use in cracking hydrocarbon feedstock containing resid | Richard C. Stell, Arthur R. Di Nicolantonio, George Stephens | 2007-12-25 |
| 7312371 | Steam cracking of hydrocarbon feedstocks containing non-volatile components and/or coke precursors | Richard C. Stell, Robert D. Strack, Alok Mani Srivastava, Subramanian Annamalai, James N. McCoy | 2007-12-25 |
| 7244871 | Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids | Richard C. Stell, Arthur R. Di Nicolantonio, Subramanian Annamalai, Nicholas G. Vidonic | 2007-07-17 |
| 7193123 | 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, James N. McCoy +5 more | 2007-03-20 |
| 7138047 | Process for steam cracking heavy hydrocarbon feedstocks | Richard C. Stell, Arthur R. DiNicolantonio, David B. Spicer, James N. McCoy, Robert D. Strack | 2006-11-21 |
| 7090765 | Process for cracking hydrocarbon feed with water substitution | David B. Spicer, Arthur R. DiNicolantonio, Richard C. Stell | 2006-08-15 |