Inventor
JOHNSON II RICHARD A
US34 patents
⚠️ This page may combine multiple inventors who share the name “JOHNSON II RICHARD A”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP LLC
28 patentsUS8702848B2Apr 22, 2014
Process for separating particulate solids from a gas stream
UOP LLC18 citations92
US7316733B1Jan 8, 2008
Diffuser for separator vessel
UOP LLC28 citations92
US7048782B1May 23, 2006
Apparatus and process for power recovery
UOP LLC48 citations90
US7423191B2Sep 9, 2008
Method and system for catalytically converting oxygenates and regenerating and stripping catalyst
UOP LLC8 citations74
US9702542B2Jul 11, 2017
Methods and apparatus for power recovery in fluid catalytic cracking systems
UOP LLC2 citations72
US10688504B2Jun 23, 2020
Apparatus and process for gas-solids separation
UOP LLC3 citations71
US9873641B2Jan 23, 2018
Reactor multi-pass grids for improved catalyst hydrodynamics
UOP LLC2 citations71
US8017083B2Sep 13, 2011
System for catalytically converting oxygenates and regenerating and stripping catalyst
UOP LLC2 citations63
US7208649B2Apr 24, 2007
External second stage cyclones in olefin production process
UOP LLC2 citations63
US12453966B2Oct 28, 2025
Process and apparatus for reacting feed with a fluidized catalyst with a reduction in catalyst loss during startup
UOP LLC0 citations62
US11926800B2Mar 12, 2024
Regeneration of a dehydrogenation catalyst slip-stream
UOP LLC0 citations62
US11286217B2Mar 29, 2022
Process and apparatus for reacting feed with fluidized catalyst and confined quench
UOP LLC0 citations62
US11794159B2Oct 24, 2023
Process and apparatus for contacting feed and catalyst with improved catalyst mixing
UOP LLC0 citations61
US11078133B2Aug 3, 2021
Aromatic alkylation process
UOP LLC0 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
US11845072B2Dec 19, 2023
Process and apparatus for indirect catalyst heating
UOP LLC0 citations53
US12109560B2Oct 8, 2024
Stripping of regenerated catalyst during start-up and shutdown
UOP LLC0 citations52
US10766013B2Sep 8, 2020
Apparatuses for mixing of staged methanol injection
UOP LLC0 citations51
US10556214B2Feb 11, 2020
Apparatuses for mixing of staged methanol injection
UOP LLC0 citations51
US10016753B2Jul 10, 2018
Apparatus for regenerating catalyst
UOP LLC0 citations51
US10458329B2Oct 29, 2019
System and process for recovering power and steam from regenerator flue gas
UOP LLC0 citations50
US9205393B2Dec 8, 2015
Reactor multi-pass grids for improved catalyst hydrodynamics
UOP LLC0 citations50
US9670421B2Jun 6, 2017
Separation process and apparatus
UOP LLC0 citations48
US9649642B2May 16, 2017
Separation process and apparatus
UOP LLC0 citations48
US8017539B2Sep 13, 2011
Once through regeneration for an olefin cracking reactor
UOP LLC0 citations47
US10576443B1Mar 3, 2020
Sealing apparatus for a catalyst regenerator
UOP LLC0 citations45
US10040045B2Aug 7, 2018
FCC units, separation apparatuses, and methods for separating regenerated catalyst
UOP LLC0 citations43