Inventor
HOEHN RICHARD K
US60 patents
⚠️ This page may combine multiple inventors who share the name “HOEHN RICHARD K”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
UOP LLC
37 patentsUS6190535B1Feb 20, 2001
Hydrocracking process
UOP LLC88 citations98
US6379532B1Apr 30, 2002
Hydrocracking process
UOP LLC79 citations96
US5885440AMar 23, 1999
Hydrocracking process with integrated effluent hydrotreating zone
UOP LLC72 citations96
US6858128B1Feb 22, 2005
Hydrocracking process
UOP LLC64 citations95
US7547386B1Jun 16, 2009
Integrated process by hydroprocessing multiple feeds
UOP LLC39 citations93
US7384542B1Jun 10, 2008
Process for the production of low sulfur diesel and high octane naphtha
UOP LLC30 citations93
US7097760B1Aug 29, 2006
Hydrocarbon process for the production of ultra low sulfur diesel
UOP LLC30 citations93
US6638418B1Oct 28, 2003
Dual recycle hydrocracking process
UOP LLC43 citations93
US6379533B1Apr 30, 2002
Hydrocracking process for production of LPG and distillate hydrocarbons
UOP LLC29 citations93
US9914889B2Mar 13, 2018
Hydrotreating process and apparatus relating thereto
UOP LLC14 citations92
US7419582B1Sep 2, 2008
Process for hydrocracking a hydrocarbon feedstock
UOP LLC23 citations91
US6379535B1Apr 30, 2002
Hydrocracking process
UOP LLC43 citations91
US7837860B1Nov 23, 2010
Process for the production of low sulfur diesel and high octane naphtha
UOP LLC26 citations87
US10435635B2Oct 8, 2019
Hydrocracking process and apparatus with heavy polynuclear aromatics removal from a reboiled column
UOP LLC7 citations84
US10301560B2May 28, 2019
Process and apparatus for hydrocracking a hydrocarbon stream in two stages with aromatic saturation
UOP LLC9 citations84
US10011786B1Jul 3, 2018
Hydrocracking process and apparatus with HPNA removal
UOP LLC12 citations83
US9701912B2Jul 11, 2017
Hydrotreating process and apparatus relating thereto
UOP LLC7 citations83
US7470357B1Dec 30, 2008
Hydrocarbon conversion process
UOP LLC11 citations83
US7803334B1Sep 28, 2010
Apparatus for hydrocracking a hydrocarbon feedstock
UOP LLC15 citations82
US10577547B2Mar 3, 2020
Process for producing fuels from a blended biorenewable feed
UOP LLC7 citations81
US9084945B2Jul 21, 2015
Enhanced hydrogen recovery
UOP LLC7 citations79
US6640161B1Oct 28, 2003
Method for operating a steam stripped fractionation column
UOP LLC8 citations74
US5985132ANov 16, 1999
Process for the simultaneous production of lubricating oil base stocks and motor fuel
UOP LLC16 citations74
US10526545B2Jan 7, 2020
Processes for stripping contaminants from multiple effluent streams
UOP LLC2 citations73
US10239754B1Mar 26, 2019
Process for stripping hydroprocessed effluent for improved hydrogen recovery
UOP LLC4 citations71
US10041008B2Aug 7, 2018
Process and apparatus for hydroprocessing with two product fractionators
UOP LLC2 citations70
US9283531B2Mar 15, 2016
Split feed reactor bed in hydrotreater device
UOP LLC6 citations66
US10774273B2Sep 15, 2020
Process and apparatus for recovering hydrogen from residue hydroprocessing
UOP LLC1 citations62
US10550338B2Feb 4, 2020
Process for recovering hydrocracked effluent
UOP LLC1 citations61
US9234142B2Jan 12, 2016
Process and apparatus for hydroprocessing with two product fractionators
UOP LLC2 citations60
US12258301B2Mar 25, 2025
Multiphase oligomerization process for converting olefins to jet
UOP LLC0 citations57
US12398332B2Aug 26, 2025
Process for converting olefins to jet fuel with parallel reactors
UOP LLC0 citations56
US7708956B2May 4, 2010
Combination hot separator and reactor vessel for simultaneously desulfurizing two vapor streams
UOP LLC4 citations56
US11028331B2Jun 8, 2021
Process for recovering hydrocarbon from hydroprocessed gaseous stream
UOP LLC0 citations53
US10144884B2Dec 4, 2018
Two stage hydrocracking process and apparatus
UOP LLC0 citations52
US9617484B2Apr 11, 2017
Methods and apparatuses for hydrotreating hydrocarbons
UOP LLC1 citations52
US10822556B2Nov 3, 2020
Process and apparatus for hydrocracking with heavy fractionation column
UOP LLC0 citations51
HOEHN RICHARD K
11 patentsUS8936716B2Jan 20, 2015
Process for recovering hydroprocessed hydrocarbons with two strippers in series
HOEHN RICHARD K18 citations83
US8852404B2Oct 7, 2014
Apparatus for removing heavy polynuclear aromatic compounds from a hydroprocessed stream
HOEHN RICHARD K12 citations80
US8574425B2Nov 5, 2013
Process for removing heavy polynuclear aromatic compounds from a hydroprocessed stream
HOEHN RICHARD K8 citations80
US8999150B2Apr 7, 2015
Process for recovering hydroprocessed hydrocarbons with two strippers and common overhead recovery
HOEHN RICHARD K4 citations72
US8715596B2May 6, 2014
Apparatus for recovering hydroprocessed hydrocarbons with two strippers in one vessel
HOEHN RICHARD K4 citations72
US9527008B2Dec 27, 2016
Apparatus for measurement and calculation of dew point for fractionation column overheads
HOEHN RICHARD K2 citations63
US8715595B2May 6, 2014
Apparatus for recovering hydroprocessed hydrocarbons with two strippers in series
HOEHN RICHARD K3 citations62
US9518230B2Dec 13, 2016
Process for recovering hydroprocessed hydrocarbons with two strippers
HOEHN RICHARD K1 citations51
US9074145B2Jul 7, 2015
Dual stripper column apparatus and methods of operation
HOEHN RICHARD K1 citations51
US8940254B2Jan 27, 2015
Apparatus for recovering hydroprocessed hydrocarbons with two strippers
HOEHN RICHARD K1 citations51
US8721994B2May 13, 2014
Apparatus for recovering hydroprocessed hydrocarbons with two strippers and common overhead recovery
HOEHN RICHARD K0 citations51
UOP INC
2 patentsShowing the top 50 of 60 patents by PatentIndex Score.