Patent Leaderboard
USPTO Patent Rankings Data through Sept 30, 2025
RS

Richard C. Stell

ExxonMobil: 48 patents #141 of 10,161Top 2%
Houston, TX: #211 of 21,073 inventorsTop 2%
Texas: #1,707 of 125,132 inventorsTop 2%
Overall (All Time): #54,283 of 4,157,543Top 2%
50 Patents All Time

Issued Patents All Time

Showing 1–25 of 50 patents

Patent #TitleCo-InventorsDate
12172893 Method and apparatus for processing of materials using high-temperature torch Clifton T. Knight, Arthur R. DiNicolantonio, Erik M. Howard, Darrell Poteet 2024-12-24
11807531 Method and apparatus for processing of materials using high-temperature torch Clifton T. Knight, Arthur R. DiNicolantonio, Erik M. Howard, Darrell Poteet 2023-11-07
10570345 Regenerative reactor system Paul F. Keusenkothen 2020-02-25
9327260 Integrated process for steam cracking S. Mark Davis, Jiunn-Shyan Liou, Stephen H. Brown, Paul F. Keusenkothen, Arthur R. Di Nicolantonio +1 more 2016-05-03
9187699 Hydrocarbon pyrolysis process Paul F. Keusenkothen 2015-11-17
9056297 Integrated vacuum resid to chemicals conversion process S. Mark Davis, Larry L. Iaccino, Steven E. Silverberg, Jiunn-Shyan Liou, Howard Freund 2015-06-16
8435386 Method and apparatus for recycle of knockout drum bottoms David B. Spicer, George Stephens 2013-05-07
8399729 Integrated process for steam cracking S. Mark Davis, Jiunn-Shyan Liou, Stephen H. Brown, Paul F. Keusenkothen, Arthur R. DiNicolantonio +1 more 2013-03-19
8361311 Integrated vacuum resid to chemicals conversion process S. Mark Davis, Larry L. Iaccino, Steven E. Silverberg, Jiunn-Shyan Liou, Howard Freund 2013-01-29
8173854 Steam cracking of partially desalted hydrocarbon feedstocks James N. McCoy, Arthur R. DiNicolantonio 2012-05-08
8118996 Apparatus and process for cracking hydrocarbonaceous feed utilizing a pre-quenching oil containing crackable components Megan Renstrom Bleckinger, James N. McCoy, Arthur R. Di Nicolantonio 2012-02-21
8092671 Method for processing hydrocarbon pyrolysis effluent Robert D. Strack, John R. Messinger, Dane C. Grenoble, John E. Asplin 2012-01-10
8057663 Method and apparatus for recycle of knockout drum bottoms David B. Spicer, George Stephens 2011-11-15
7993435 Process and apparatus for cracking hydrocarbon feedstock containing resid George J. Balinsky, James N. McCoy, Paul F. Keusenkothen 2011-08-09
7977524 Process for decoking a furnace for cracking a hydrocarbon feed James N. McCoy 2011-07-12
7820035 Process for steam cracking heavy hydrocarbon feedstocks James N. McCoy, David B. Spicer 2010-10-26
7776286 Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks Nicholas G. Vidonic 2010-08-17
7767008 Vapor/liquid separation apparatus James M. Frye, David Beattie, Subramanian Annamalai, Alok Mani Srivastava 2010-08-03
7767170 Cracking hydrocarbon feedstock containing resid utilizing partial condensation of vapor phase from vapor/liquid separation to mitigate fouling in a flash/separation vessel George Stephens, Jennifer L. Bancroft, John R. Messinger 2010-08-03
7718049 Method for processing hydrocarbon pyrolysis effluent Robert D. Strack, John R. Messinger, Dane C. Grenoble, John E. Asplin 2010-05-18
7670573 Process and apparatus for removing coke formed during steam cracking of hydrocarbon feedstocks containing resids Arthur R. Di Nicolantonio, James M. Frye, Subramanian Annamalai, Nicholas G. Vidonic 2010-03-02
7648626 Process for cracking asphaltene-containing feedstock employing dilution steam and water injection James N. McCoy 2010-01-19
7641870 Process for reducing fouling from flash/separation apparatus during cracking of hydrocarbon feedstocks Nicholas G. Vidonic 2010-01-05
7625480 Pyrolysis furnace feed David Beattie, James N. McCoy, Bryan D. McVicker, Paul F. Keusenkothen, Alok Mani Srivastava +1 more 2009-12-01
7588737 Process and apparatus for cracking hydrocarbon feedstock containing resid George J. Balinsky, James N. McCoy, Paul F. Keusenkothen 2009-09-15