Inventor · disambiguated record
Stephen C. Leviness
Also filed as: LEVINESS STEPHEN · LEVINESS STEPHEN C · LEVINESS STEPHEN CLAUDE
24 granted patents·5 pending applications·788 citations·filing 1992–2022
97Inventor score
Files withEXXON RESEARCH ENGINEERING CO12VELOCYS INC3EXXONMOBIL RES & ENG CO2SYNTROLEUM CORP2KENNEDY PAUL E1
Top patents by PatentIndex Score
29 records- 0197US9359271B2Fischer-Tropsch processVELOCYS INC·Filed 2015·Granted Jun 7, 2016·54 cites·62 claims
- 0297US9006298B2Fischer-Tropsch processVELOCYS INC·Filed 2013·Granted Apr 14, 2015·41 cites·55 claims
- 0395US5811469ASlurry hydrocarbon synthesis with downcomer fed product filtration (LAW552)EXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Sep 22, 1998·82 cites·15 claims
- 0490US7314503B2Process to remove nitrogen and/or carbon dioxide from methane-containing streamsSYNTROLEUM CORP·Filed 2004·Granted Jan 1, 2008·84 cites·23 claims
- 0589US8293805B2Tracking feedstock production with micro scale gas-to-liquid unitsKHAN MOINUDDIN·Filed 2008·Granted Oct 23, 2012·61 cites·19 claims
- 0689US6107353ACyanide and ammonia removal from synthesis gasEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Aug 22, 2000·63 cites·18 claims
- 0787US5973012AHydrocarbon synthesis catalyst slurry rejuvenation with gas disengagement (LAW 783)EXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Oct 26, 1999·34 cites·12 claims
- 0884US5844005AHydrocarbon synthesis using reactor tail gas for catalyst rejuvenationEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Dec 1, 1998·55 cites·37 claims
- 0982US11247953B2Process of removing heatVELOCYS TECH LIMITED·Filed 2020·Granted Feb 15, 2022·1 cites·2 claims
- 1082US5817702AHydrocarbon synthesis catalyst slurry rejuvenation with gas disengagementEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Oct 6, 1998·58 cites·20 claims
- 1180US9365765B2Generation of hydrocarbon fuels having a reduced environmental impactVELOCYS INC·Filed 2014·Granted Jun 14, 2016·3 cites·16 claims
- 1280US5288673ATemperature control in draft tubes for catalyst rejuvenationEXXON RESEARCH ENGINEERING CO·Filed 1992·Granted Feb 22, 1994·39 cites·4 claims
- 1379US5811363ACatalyst rejuvenation in hydrocarbon synthesis slurry with reduced slurry recontaminationEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Sep 22, 1998·49 cites·14 claims
- 1478US8591861B2Hydrogenating pre-reformer in synthesis gas production processesLOMAX FRANKLIN D·Filed 2008·Granted Nov 26, 2013·5 cites·35 claims
- 1578US7361619B2Fischer-Tropsch catalyst productionEXXONMOBIL RES & ENG CO·Filed 2004·Granted Apr 22, 2008·21 cites·11 claims
- 1677US5817701ASlurry hydrocarbon synthesis with cyclic CO purge and catalyst rejuvenationEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Oct 6, 1998·38 cites·20 claims
- 1775US8614158B2Fischer-trospch and oxygenate synthesis catalyst activation/regeneration in a micro scale processLEVINESS STEPHEN C·Filed 2008·Granted Dec 24, 2013·5 cites·30 claims
- 1873US9994763B2Generation of hydrocarbon fuels having a reduced environmental impactLEVINESS STEPHEN CLAUDE·Filed 2016·Granted Jun 12, 2018·1 cites·15 claims
- 1973US7419928B2Fischer-Tropsch catalyst productionEXXONMOBIL RES & ENG CO·Filed 2004·Granted Sep 2, 2008·12 cites·14 claims
- 2070US7939953B2Micro scale fischer-tropsch and oxygenate synthesis process startup unitSCHLUMBERGER TECHNOLOGY CORP·Filed 2008·Granted May 10, 2011·5 cites·13 claims
- 2169US6284807B1Slurry hydrocarbon synthesis process with increased catalyst lifeEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted Sep 4, 2001·29 cites·16 claims
- 2264US6066679ASlurry hydrocarbon synthesis with cyclic co purge and catalyst rejuvenationEXXON RESEARCH ENGINEERING CO·Filed 1998·Granted May 23, 2000·21 cites·13 claims
- 2363US5962537AMultizone downcomer for slurry hydrocarbon syntheses processEXXON RESEARCH ENGINEERING CO·Filed 1997·Granted Oct 5, 1999·23 cites·7 claims
- 2460US2025144611A1Process for operating a plant facility during catalyst regenerationVELOCYS TECH LTD·Filed 2022·Application pending·0 cites
- 2550US2010000153A1Remote micro-scale gtl products for uses in oil- and gas-field and pipeline applicationsKYROGEN USA LLC·Filed 2008·Application pending·0 cites
- 2648US2007212271A1Process air desulfurization for syngas productionKENNEDY PAUL E·Filed 2007·Application pending·0 cites
- 2741US2011083997A1Process for treating heavy oilSILVA LAURA J·Filed 2010·Application pending·0 cites
- 2840US2005154069A1Fischer-Tropsch process in the presence of nitrogen contaminantsSYNTROLEUM CORP·Filed 2004·Application pending·0 cites
- 2937US6270734B1Multizone downcomer for slurry hydrocarbon synthesis processEXXON RESEARCH ENGINEERING CO·Filed 1999·Granted Aug 7, 2001·4 cites·7 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →