Inventor
DAVYDOV LEV
US45 patents
⚠️ This page may combine multiple inventors who share the name “DAVYDOV LEV”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP LLC
28 patentsUS11214741B2Jan 4, 2022
Fluid catalytic cracking process for cracking multiple feedstocks
UOP LLC33 citations92
US9783749B2Oct 10, 2017
Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate
UOP LLC13 citations84
US9732290B2Aug 15, 2017
Process and apparatus for cracking hydrocarbons with recycled catalyst to produce additional distillate
UOP LLC3 citations73
US9266103B1Feb 23, 2016
Catalyst regenerators and methods for regenerating catalysts
UOP LLC6 citations73
US11577237B2Feb 14, 2023
Process and apparatus for regenerating catalyst with supplemental fuel
UOP LLC0 citations62
US11286217B2Mar 29, 2022
Process and apparatus for reacting feed with fluidized catalyst and confined quench
UOP LLC0 citations62
US10913043B2Feb 9, 2021
Apparatuses for mixing of staged methanol injection
UOP LLC0 citations62
US12403440B2Sep 2, 2025
Apparatus for distributing feed with a cluster of orifices on a side of the distributor
UOP LLC0 citations61
US11517869B2Dec 6, 2022
Riser extension apparatus and process
UOP LLC0 citations61
US11261143B2Mar 1, 2022
Apparatus and process for separating gases from catalyst
UOP LLC0 citations61
US11285417B1Mar 29, 2022
Apparatus and process for capturing product gases from catalyst stripper
UOP LLC0 citations60
US9458068B2Oct 4, 2016
Process and vessel for removing one or more sulfur compounds
UOP LLC2 citations60
US11725153B2Aug 15, 2023
Process and apparatus for recovering catalyst from a product stream
UOP LLC0 citations59
US12337306B2Jun 24, 2025
Catalyst regneration with inverted cooler
UOP LLC0 citations55
US9890338B2Feb 13, 2018
Process and apparatus for hydroprocessing and cracking hydrocarbons
UOP LLC0 citations52
US9777228B2Oct 3, 2017
Process for cracking hydrocarbons to make diesel
UOP LLC1 citations52
US10071357B1Sep 11, 2018
Compact two-stage regenerator and process for using
UOP LLC0 citations51
US9527054B2Dec 27, 2016
Apparatuses and methods for cracking hydrocarbons
UOP LLC0 citations51
US9023285B2May 5, 2015
Counter-current fluidized bed reactor for the dehydrogenation of olefins
UOP LLC1 citations51
US9457294B2Oct 4, 2016
Apparatus and process for contacting and separating liquids
UOP LLC0 citations50
US9233319B2Jan 12, 2016
Apparatus and process for contacting liquids
UOP LLC0 citations50
US8813976B2Aug 26, 2014
Process and apparatus for extracting
UOP LLC0 citations45
US9777229B2Oct 3, 2017
Process and apparatus for hydroprocessing and cracking hydrocarbons
UOP LLC0 citations42
US10751684B2Aug 25, 2020
FCC counter-current regenerator with a regenerator riser
UOP LLC0 citations41
US10239054B2Mar 26, 2019
FCC counter-current regenerator with a regenerator riser
UOP LLC0 citations41
US9981261B1May 29, 2018
Process for using a compact two-stage regenerator
UOP LLC0 citations41
US9150466B2Oct 6, 2015
Counter-current fluidized bed reactor for the dehydrogenation of olefins
UOP LLC0 citations41
US9914090B2Mar 13, 2018
Vapor-liquid contacting apparatuses and methods for removing contaminants from gas streams
UOP LLC0 citations40
DAVYDOV LEV
4 patentsUS8268049B2Sep 18, 2012
Vapor-liquid contacting apparatuses having a secondary absorption zone with vortex contacting stages
DAVYDOV LEV18 citations83
US8747758B2Jun 10, 2014
Process and apparatus for mixing two streams of catalyst
DAVYDOV LEV5 citations71
US8747657B2Jun 10, 2014
Process and apparatus for mixing two streams of catalyst
DAVYDOV LEV4 citations71
US8871151B2Oct 28, 2014
Apparatus for mixing two streams of catalyst with an insert having aligned openings
DAVYDOV LEV2 citations61