Inventor · disambiguated record
Lev Davydov
Also filed as: DAVYDOV LEV
45 granted patents·6 pending applications·159 citations·filing 2001–2022
97Inventor score
Top patents by PatentIndex Score
51 records- 0196US11214741B2Fluid catalytic cracking process for cracking multiple feedstocksUOP LLC·Filed 2020·Granted Jan 4, 2022·33 cites·20 claims
- 0296US9783749B2Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillateUOP LLC·Filed 2015·Granted Oct 10, 2017·13 cites·19 claims
- 0393US8268049B2Vapor-liquid contacting apparatuses having a secondary absorption zone with vortex contacting stagesDAVYDOV LEV·Filed 2010·Granted Sep 18, 2012·18 cites·9 claims
- 0489US9266103B1Catalyst regenerators and methods for regenerating catalystsUOP LLC·Filed 2014·Granted Feb 23, 2016·6 cites·20 claims
- 0589US8695953B2Distribution tray, vessel, or method relating theretoXU ZHANPING·Filed 2010·Granted Apr 15, 2014·8 cites·14 claims
- 0688US8877132B2Baffles for improving riser hydrodynamicsJOHNSON DANIEL R·Filed 2012·Granted Nov 4, 2014·8 cites·20 claims
- 0787US9732290B2Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillateUOP LLC·Filed 2015·Granted Aug 15, 2017·3 cites·19 claims
- 0884US8747758B2Process and apparatus for mixing two streams of catalystDAVYDOV LEV·Filed 2011·Granted Jun 10, 2014·5 cites·18 claims
- 0983US8895797B2Process for dehydrogenation of hydrocarbons in a multi-stage fluidized bed reactorMYERS DAVID N·Filed 2010·Granted Nov 25, 2014·3 cites·19 claims
- 1082US8747657B2Process and apparatus for mixing two streams of catalystDAVYDOV LEV·Filed 2011·Granted Jun 10, 2014·4 cites·19 claims
- 1180US8747759B2Process and apparatus for mixing two streams of catalystWOLSCHLAG LISA M·Filed 2011·Granted Jun 10, 2014·4 cites·20 claims
- 1279US8282887B2Multi-stage fluidized bed reactor for dehydrogenation of hydrocarbonsMYERS DAVID N·Filed 2010·Granted Oct 9, 2012·3 cites·9 claims
- 1378US6585863B2Photocatalytic degradation of organic compoundsPROCTER & GAMBLE·Filed 2001·Granted Jul 1, 2003·22 cites·28 claims
- 1477US8871151B2Apparatus for mixing two streams of catalyst with an insert having aligned openingsDAVYDOV LEV·Filed 2012·Granted Oct 28, 2014·2 cites·20 claims
- 1577US6761863B2Process for the removal of impurities from gas streamsBOC GROUP INC·Filed 2002·Granted Jul 13, 2004·19 cites·24 claims
- 1676US9777228B2Process for cracking hydrocarbons to make dieselUOP LLC·Filed 2016·Granted Oct 3, 2017·1 cites·17 claims
- 1774US8936758B2Process and apparatus for mixing two streams of catalystPALMAS PAOLO·Filed 2012·Granted Jan 20, 2015·2 cites·19 claims
- 1873US8815082B2Process and apparatus for mixing two streams of catalystWOLSCHLAG LISA M·Filed 2011·Granted Aug 26, 2014·2 cites·20 claims
- 1970US9458068B2Process and vessel for removing one or more sulfur compoundsUOP LLC·Filed 2012·Granted Oct 4, 2016·2 cites·11 claims
- 2069US9023285B2Counter-current fluidized bed reactor for the dehydrogenation of olefinsUOP LLC·Filed 2012·Granted May 5, 2015·1 cites·20 claims
- 2165US12403440B2Apparatus for distributing feed with a cluster of orifices on a side of the distributorUOP LLC·Filed 2022·Granted Sep 2, 2025·0 cites·20 claims
- 2265US11577237B2Process and apparatus for regenerating catalyst with supplemental fuelUOP LLC·Filed 2019·Granted Feb 14, 2023·0 cites·25 claims
- 2363US11286217B2Process and apparatus for reacting feed with fluidized catalyst and confined quenchUOP LLC·Filed 2020·Granted Mar 29, 2022·0 cites·20 claims
- 2462US12337306B2Catalyst regneration with inverted coolerUOP LLC·Filed 2021·Granted Jun 24, 2025·0 cites·20 claims
- 2562US2022010218A1High-temperature pyrolysis of plastics to monomers with high gas velocityUOP LLC·Filed 2021·Application pending·0 cites
- 2661US11261143B2Apparatus and process for separating gases from catalystUOP LLC·Filed 2020·Granted Mar 1, 2022·0 cites·20 claims
- 2759US11517869B2Riser extension apparatus and processUOP LLC·Filed 2019·Granted Dec 6, 2022·0 cites·13 claims
- 2859US11285417B1Apparatus and process for capturing product gases from catalyst stripperUOP LLC·Filed 2020·Granted Mar 29, 2022·0 cites·10 claims
- 2958US11725153B2Process and apparatus for recovering catalyst from a product streamUOP LLC·Filed 2021·Granted Aug 15, 2023·0 cites·20 claims
- 3058US2011060178A1Slurry column gasoline alkylation using gas phase olefin injectionNAFIS DOUGLAS A·Filed 2009·Application pending·0 cites
- 3156US11649960B2Low NOx burner with bypass conduitHONEYWELL INT INC·Filed 2021·Granted May 16, 2023·0 cites·17 claims
- 3256US2023159411A1Integrated process for producing ethylene and propylene from c4 and/or c5 hydrocarbonsUOP LLC·Filed 2022·Application pending·0 cites
- 3354US10913043B2Apparatuses for mixing of staged methanol injectionUOP LLC·Filed 2018·Granted Feb 9, 2021·0 cites·20 claims
- 3454US2022010217A1Conversion of plastics to monomers by integration of low-temperature and high-temperature pyrolysisUOP LLC·Filed 2021·Application pending·0 cites
- 3553US2012230882A1Slurry column gasoline alkylation using gas phase olefin injectionNAFIS DOUGLAS A·Filed 2012·Application pending·0 cites
- 3652US10071357B1Compact two-stage regenerator and process for usingUOP LLC·Filed 2017·Granted Sep 11, 2018·0 cites·20 claims
- 3752US9527054B2Apparatuses and methods for cracking hydrocarbonsUOP LLC·Filed 2014·Granted Dec 27, 2016·0 cites·20 claims
- 3851US9457294B2Apparatus and process for contacting and separating liquidsUOP LLC·Filed 2012·Granted Oct 4, 2016·0 cites·18 claims
- 3950US9914090B2Vapor-liquid contacting apparatuses and methods for removing contaminants from gas streamsUOP LLC·Filed 2013·Granted Mar 13, 2018·0 cites·6 claims
- 4050US8815166B2Process and apparatus for mixing two streams of catalystPALMAS PAOLO·Filed 2012·Granted Aug 26, 2014·0 cites·20 claims
- 4149US8911673B2Process and apparatus for distributing hydrocarbon feed to a catalyst streamTHRONDSON ROGER L·Filed 2012·Granted Dec 16, 2014·0 cites·17 claims
- 4248US10751684B2FCC counter-current regenerator with a regenerator riserUOP LLC·Filed 2017·Granted Aug 25, 2020·0 cites·19 claims
- 4348US9890338B2Process and apparatus for hydroprocessing and cracking hydrocarbonsUOP LLC·Filed 2015·Granted Feb 13, 2018·0 cites·18 claims
- 4448US9233319B2Apparatus and process for contacting liquidsUOP LLC·Filed 2012·Granted Jan 12, 2016·0 cites·13 claims
- 4548US9150466B2Counter-current fluidized bed reactor for the dehydrogenation of olefinsUOP LLC·Filed 2012·Granted Oct 6, 2015·0 cites·19 claims
- 4647US10239054B2FCC counter-current regenerator with a regenerator riserUOP LLC·Filed 2017·Granted Mar 26, 2019·0 cites·20 claims
- 4747US9981261B1Process for using a compact two-stage regeneratorUOP LLC·Filed 2017·Granted May 29, 2018·0 cites·20 claims
- 4846US9777229B2Process and apparatus for hydroprocessing and cracking hydrocarbonsUOP LLC·Filed 2015·Granted Oct 3, 2017·0 cites·18 claims
- 4945US9005431B2Process and apparatus for distributing hydrocarbon feed to a catalyst streamTHRONDSON ROGER L·Filed 2012·Granted Apr 14, 2015·0 cites·16 claims
- 5045US8813976B2Process and apparatus for extractingUOP LLC·Filed 2012·Granted Aug 26, 2014·0 cites·20 claims
Showing the top 50 of 51 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →