SL

Stephen C. Leviness

EX ExxonMobil: 14 patents #815 of 10,161Top 9%
Schlumberger Technology: 4 patents #1,558 of 7,293Top 25%
VE Velocys: 4 patents #55 of 139Top 40%
SY Syntroleum: 1 patents #22 of 38Top 60%
VT Velocys Technologies: 1 patents #29 of 36Top 85%
Overall (All Time): #171,848 of 4,157,543Top 5%
24
Patents All Time

Issued Patents All Time

Patent #TitleCo-InventorsDate
11247953 Process of removing heat Ivan Phillip Greager, Roger Allen Harris, Andre Peter Steynberg, Jasmeer Jaichland Ramlal, Dennis Parker +1 more 2022-02-15
9994763 Generation of hydrocarbon fuels having a reduced environmental impact Ivan Phillip Greager 2018-06-12
9365765 Generation of hydrocarbon fuels having a reduced environmental impact Ivan Phillip Greager 2016-06-14
9359271 Fischer-Tropsch process Francis P. Daly, Laura Richard, Sreekala Rugmini 2016-06-07
9006298 Fischer-Tropsch process Francis P. Daly, Laura Richard, Sreekala Rugmini 2015-04-14
8614158 Fischer-trospch and oxygenate synthesis catalyst activation/regeneration in a micro scale process 2013-12-24
8591861 Hydrogenating pre-reformer in synthesis gas production processes Franklin D. Lomax, Jr., Rama A. Zakaria, Maxim Lyubovsky 2013-11-26
8293805 Tracking feedstock production with micro scale gas-to-liquid units Moinuddin Khan, Andrew Kurkjian, Keith Massie, John Nighswander 2012-10-23
7939953 Micro scale fischer-tropsch and oxygenate synthesis process startup unit Franklin D. Lomax, Jr., Maxim Lyubovsky, Christopher P. Heinrichs, Richard S. Todd 2011-05-10
7419928 Fischer-Tropsch catalyst production Andrzej Malek, Horacio Trevino, Weldon K. Bell, David O. Marler 2008-09-02
7361619 Fischer-Tropsch catalyst production Andrzej Malek, Horacio Trevino, Weldon K. Bell, David O. Marler 2008-04-22
7314503 Process to remove nitrogen and/or carbon dioxide from methane-containing streams J. Mark Landrum, Branch Russell, Kenneth L. Agee 2008-01-01
6284807 Slurry hydrocarbon synthesis process with increased catalyst life Charles J. Mart, William C. Behrmann, Stephen J. Hsia, Daniel Ray Neskora 2001-09-04
6270734 Multizone downcomer for slurry hydrocarbon synthesis process 2001-08-07
6107353 Cyanide and ammonia removal from synthesis gas Russell John Koveal 2000-08-22
6066679 Slurry hydrocarbon synthesis with cyclic co purge and catalyst rejuvenation Willard N. Mitchell 2000-05-23
5973012 Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement (LAW 783) William C. Behrmann 1999-10-26
5962537 Multizone downcomer for slurry hydrocarbon syntheses process 1999-10-05
5844005 Hydrocarbon synthesis using reactor tail gas for catalyst rejuvenation Richard F. Bauman, Charles W. DeGeorge, Rocco A. Fiato 1998-12-01
5817702 Hydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement William C. Behrmann 1998-10-06
5817701 Slurry hydrocarbon synthesis with cyclic CO purge and catalyst rejuvenation Willard N. Mitchell 1998-10-06
5811469 Slurry hydrocarbon synthesis with downcomer fed product filtration (LAW552) Charles J. Mart 1998-09-22
5811363 Catalyst rejuvenation in hydrocarbon synthesis slurry with reduced slurry recontamination Willard N. Mitchell 1998-09-22
5288673 Temperature control in draft tubes for catalyst rejuvenation William C. Behrmann 1994-02-22