Inventor
KELLER ALFRED E
US32 patents
⚠️ This page may combine multiple inventors who share the name “KELLER ALFRED E”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
CONOCOPHILLIPS CO
14 patentsUS6946111B2Sep 20, 2005
Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream
CONOCOPHILLIPS CO55 citations95
US6800269B2Oct 5, 2004
Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream
CONOCOPHILLIPS CO37 citations92
US6773691B2Aug 10, 2004
Controlling syngas H2:CO ratio by controlling feed hydrocarbon composition
CONOCOPHILLIPS CO23 citations92
US7560088B2Jul 14, 2009
Compact sulfur recovery plant and process
CONOCOPHILLIPS CO22 citations89
US7226572B1Jun 5, 2007
Compact sulfur recovery plant and process
CONOCOPHILLIPS CO24 citations89
US7357908B2Apr 15, 2008
Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream
CONOCOPHILLIPS CO9 citations84
US7138101B2Nov 21, 2006
Two-stage catalytic process for recovering sulfur from an H2S-containing gas stream
CONOCOPHILLIPS CO15 citations84
US7108842B2Sep 19, 2006
Process for the catalytic partial oxidation of H2S using staged addition of oxygen
CONOCOPHILLIPS CO14 citations84
US7041621B2May 9, 2006
Sulfided catalysts for improved performance in hydrocarbon processing
CONOCOPHILLIPS CO12 citations84
US6881394B2Apr 19, 2005
Steam reformer for methane with internal hydrogen separation and combustion
CONOCOPHILLIPS CO13 citations84
US7122170B2Oct 17, 2006
Catalysts for SPOC™ enhanced synthesis gas production
CONOCOPHILLIPS CO10 citations74
US7658906B2Feb 9, 2010
Sulfur recovery plant
CONOCOPHILLIPS CO2 citations62
US7326397B2Feb 5, 2008
Catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream
CONOCOPHILLIPS CO4 citations61
US7998451B2Aug 16, 2011
Sulfur degassing process
CONOCOPHILLIPS CO1 citations51
CONOCO INC
8 patentsUS6403051B1Jun 11, 2002
Recovery of sulfur from H2S and concurrent production of H2 using short contact time CPOX
CONOCO INC43 citations92
US4970344ANov 13, 1990
Reactivation of spent alkanolamine
CONOCO INC43 citations92
US5368818ANov 29, 1994
Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide
CONOCO INC24 citations91
US5006258AApr 9, 1991
Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine
CONOCO INC47 citations91
US5162084ANov 10, 1992
Process for monitoring and controlling an alkanolamine reaction process
CONOCO INC25 citations89
US5045291ASep 3, 1991
Reactivation of spent alkanolamine
CONOCO INC20 citations82
US5336832AAug 9, 1994
Recovery of HF from hydrocarbon streams
CONOCO INC16 citations72
US5190662AMar 2, 1993
Removal of iron sulfide particles from alkanolamine solutions
CONOCO INC17 citations70
PHILLIPS 66 CO
7 patentsUS9138675B2Sep 22, 2015
Process for degassing condensed sulfur from a claus sulfur recovery system
PHILLIPS 66 CO6 citations84
US9789433B2Oct 17, 2017
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
PHILLIPS 66 CO0 citations52
US9757677B2Sep 12, 2017
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
PHILLIPS 66 CO0 citations52
US9205364B2Dec 8, 2015
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery
PHILLIPS 66 CO0 citations52
US9192887B2Nov 24, 2015
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery
PHILLIPS 66 CO0 citations52
US9758376B2Sep 12, 2017
Process for degassing condensed sulfur from a Claus sulfur recovery system
PHILLIPS 66 CO0 citations42
US9573081B2Feb 21, 2017
Process for degassing condensed sulfur from a claus sulfur recovery system
PHILLIPS 66 CO0 citations42