Inventor · disambiguated record
David A. Lomas
Also filed as: LOMAS DAVID · LOMAS DAVID A
69 granted patents·5 pending applications·2,571 citations·filing 1980–2024
99Inventor score
Top patents by PatentIndex Score
74 records- 0198US8354065B1Catalyst charge heaterMARATHON PETROLEUM CO LP·Filed 2010·Granted Jan 15, 2013·60 cites·9 claims
- 0298US5584985AFCC separation method and apparatus with improved strippingUOP INC·Filed 1994·Granted Dec 17, 1996·110 cites·4 claims
- 0398US5451313AFCC feed contacting with catalyst recycle reactorUOP INC·Filed 1994·Granted Sep 19, 1995·115 cites·18 claims
- 0497US6869521B2Process and apparatus for upgrading FCC product with additional reactor with thorough mixingUOP LLC·Filed 2002·Granted Mar 22, 2005·69 cites·19 claims
- 0597US6866771B2Process and apparatus for upgrading FCC product with additional reactor with catalyst recycleUOP LLC·Filed 2002·Granted Mar 15, 2005·89 cites·20 claims
- 0697US6287522B1FCC apparatus with dual riserUOP LLC·Filed 1999·Granted Sep 11, 2001·124 cites·5 claims
- 0797US5597537AFCC feed contacting with catalyst recycle reactorUOP INC·Filed 1995·Granted Jan 28, 1997·100 cites·8 claims
- 0896US5944982AMethod for high severity crackingUOP LLC·Filed 1998·Granted Aug 31, 1999·106 cites·9 claims
- 0995US7026262B1Apparatus and process for regenerating catalystUOP LLC·Filed 2002·Granted Apr 11, 2006·73 cites·20 claims
- 1095US4353812AFluid catalyst regeneration processUOP INC·Filed 1980·Granted Oct 12, 1982·71 cites·7 claims
- 1194US10443000B2Higher containment VSS with multi zone strippingMARATHON PETROLEUM CO LP·Filed 2017·Granted Oct 15, 2019·24 cites·32 claims
- 1294US8007662B2Direct feed/effluent heat exchange in fluid catalytic crackingUOP LLC·Filed 2009·Granted Aug 30, 2011·38 cites·20 claims
- 1394US5346613AFCC process with total catalyst blendingUOP INC·Filed 1993·Granted Sep 13, 1994·58 cites·15 claims
- 1494US4439533AFluid particle backmixed cooling processUOP INC·Filed 1982·Granted Mar 27, 1984·66 cites·7 claims
- 1593US8753502B1Using low carbon fuel with a catalyst charge heaterSEXTON JEFF·Filed 2009·Granted Jun 17, 2014·53 cites·16 claims
- 1693US5858207AFCC process with combined regenerator stripper and catalyst blendingUOP LLC·Filed 1997·Granted Jan 12, 1999·105 cites·11 claims
- 1790US5965012AFCC process with short primary contacting and controlled secondary contactingUOP LLC·Filed 1997·Granted Oct 12, 1999·67 cites·18 claims
- 1890US5212129AInverted backmix coolers for FCC unitsUOP INC·Filed 1991·Granted May 18, 1993·60 cites·6 claims
- 1990US4988430ASupplying FCC lift gas directly from product vaporsUOP INC·Filed 1989·Granted Jan 29, 1991·61 cites·16 claims
- 2089US5310477AFCC process with secondary dealkylation zoneUOP INC·Filed 1992·Granted May 10, 1994·58 cites·16 claims
- 2188US8163247B2Process for upgrading FCC product with additional reactor with catalyst recycleLOMAS DAVID A·Filed 2011·Granted Apr 24, 2012·9 cites·20 claims
- 2287US7169293B2Controllable space velocity reactor and processUOP LLC·Filed 2002·Granted Jan 30, 2007·28 cites·10 claims
- 2387US5234578AFluidized catalytic cracking process utilizing a high temperature reactorUOP INC·Filed 1991·Granted Aug 10, 1993·48 cites·9 claims
- 2487US4923834ASide mounted coolers with improved backmix cooling in FCC regenerationUOP INC·Filed 1989·Granted May 8, 1990·49 cites·3 claims
- 2586US6010618AFCC process with two zone short contact time reaction conduitUOP LLC·Filed 1997·Granted Jan 4, 2000·56 cites·16 claims
- 2685US4960503AHeating FCC feed in a backmix coolerUOP INC·Filed 1988·Granted Oct 2, 1990·58 cites·5 claims
- 2785US4479870AUse of lift gas in an FCC reactor riserJOP INC·Filed 1984·Granted Oct 30, 1984·42 cites·6 claims
- 2884US4434245AFluid particle cooling process and apparatusUOP INC·Filed 1982·Granted Feb 28, 1984·39 cites·5 claims
- 2983US7575725B2Controllable space velocity reactorUOP LLC·Filed 2007·Granted Aug 18, 2009·6 cites·12 claims
- 3083US5360533ADirect dry gas recovery from FCC reactorUOP INC·Filed 1993·Granted Nov 1, 1994·45 cites·21 claims
- 3182US6248297B1FCC reactor arrangement for sequential disengagement and progressive temperature reductionUOP LLC·Filed 1995·Granted Jun 19, 2001·50 cites·11 claims
- 3282US5176815AFCC process with secondary conversion zoneUOP INC·Filed 1990·Granted Jan 5, 1993·43 cites·21 claims
- 3382US5128292ASide mounted coolers with improved backmix cooling in FCC regenerationUOP INC·Filed 1990·Granted Jul 7, 1992·43 cites·7 claims
- 3482US4541923ACatalyst treatment and flow conditioning in an FCC reactor riserUOP INC·Filed 1984·Granted Sep 17, 1985·30 cites·10 claims
- 3581US4396531AFluid catalyst regeneration process and apparatusUOP INC·Filed 1981·Granted Aug 2, 1983·30 cites·4 claims
- 3680US5455010AFCC process with total catalyst blendingUOP INC·Filed 1994·Granted Oct 3, 1995·27 cites·9 claims
- 3779US7344634B2Process and apparatus for contacting hydrocarbons with catalystUOP LLC·Filed 2005·Granted Mar 18, 2008·3 cites·4 claims
- 3878US7033546B2Process and apparatus for contacting hydrocarbons with catalystUOP LLC·Filed 2004·Granted Apr 25, 2006·11 cites·16 claims
- 3978US2024400513A1Novel compoundsUCL BUSINESS LTD·Filed 2024·Application pending·0 cites
- 4076US6183699B1FCC apparatus with short primary contacting and controlled secondary contactingUOP LLC·Filed 1999·Granted Feb 6, 2001·35 cites·6 claims
- 4176US5139748AFCC riser with transverse feed injectionUOP INC·Filed 1990·Granted Aug 18, 1992·47 cites·10 claims
- 4275US11919856B2CompoundsUCL BUSINESS LTD·Filed 2022·Granted Mar 5, 2024·0 cites·23 claims
- 4373US5343939AOffset FCC coolers with improved catalyst circulationUOP INC·Filed 1992·Granted Sep 6, 1994·30 cites·3 claims
- 4469US7517500B2Process and apparatus for upgrading FCC product with additional reactor with thorough mixingUOP LLC·Filed 2004·Granted Apr 14, 2009·5 cites·17 claims
- 4568US6616900B1FCC process with two zone short contact time reaction conduitUOP LLC·Filed 1999·Granted Sep 9, 2003·26 cites·8 claims
- 4668US4541922AUse of lift gas in an FCC reactor riserUOP INC·Filed 1984·Granted Sep 17, 1985·17 cites·5 claims
- 4767US5302280AFluidized catalytic cracking utilizing a vented riserUOP INC·Filed 1992·Granted Apr 12, 1994·17 cites·16 claims
- 4866US5027893AHeat exchanger with backmix and flow-through particle coolingUOP INC·Filed 1989·Granted Jul 2, 1991·20 cites·12 claims
- 4965US5141625ASecond stage stripping and lift gas supplyUOP INC·Filed 1990·Granted Aug 25, 1992·23 cites·14 claims
- 5065US4424192AFluid catalyst regeneration apparatusUOP INC·Filed 1982·Granted Jan 3, 1984·18 cites·4 claims
Showing the top 50 of 74 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →