Keller; Alfred E.

Patent Applications and Registrations

Patent applications and USPTO patent grants for Keller; Alfred E..The latest application filed is for "process for degassing condensed sulfur from a claus sulfur recovery system".

Company Profile

0.28.24

Keller; Alfred E. - Katy TX
Keller; Alfred E. - Ponca City TX

*profile and listings may contain filings by different individuals or companies with the same name. Review application materials to confirm ownership/assignment.

Patent Activity

Patent	Date
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery Grant 9,789,433 - Keller October 17, 2	2017-10-17
Process for degassing condensed sulfur from a Claus sulfur recovery system Grant 9,758,376 - Keller September 12, 2	2017-09-12
Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery Grant 9,757,677 - Keller September 12, 2	2017-09-12
Process for degassing condensed sulfur from a claus sulfur recovery system Grant 9,573,081 - Keller February 21, 2	2017-02-21
Process For Degassing Condensed Sulfur From A Claus Sulfur Recovery System App 20150376008 - Keller; Alfred E.	2015-12-31
Process For Degassing Condensed Sulfur From A Claus Sulfur Recovery System App 20150376007 - Keller; Alfred E.	2015-12-31
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery Grant 9,205,364 - Keller December 8, 2	2015-12-08
Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery Grant 9,192,887 - Keller November 24, 2	2015-11-24
Process for degassing condensed sulfur from a claus sulfur recovery system Grant 9,138,675 - Keller September 22, 2	2015-09-22
Process For Degassing Condensed Sulfur From A Claus Sulfur Recovery System App 20140377165 - Keller; Alfred E.	2014-12-25
Process For In-situ Production Of Low Dissolved Hydrogen Sulfide, Degassed, Sulfur From Claus Sulfur Recovery App 20140377155 - Keller; Alfred E.	2014-12-25
Apparatus For In-situ Production Of Low Dissolved Hydrogen Sulfide, Degassed, Sulfur From Claus Sulfur Recovery App 20140374069 - Keller; Alfred E.	2014-12-25
Process For In-situ Production Of Low Dissolved Hydrogen Sulfide, Degassed, Sulfur From Claus Sulfur Recovery App 20140377164 - Keller; Alfred E.	2014-12-25
Apparatus For In-situ Production Of Low Dissolved Hydrogen Sulfide, Degassed, Sulfur From Claus Sulfur Recovery App 20140374070 - Keller; Alfred E.	2014-12-25
Sulfur degassing process Grant 8,075,866 - Keller , et al. December 13, 2	2011-12-13
Sulfur Degassing Process App 20110266135 - KELLER; Alfred E. ; et al.	2011-11-03
Sulfur degassing process Grant 7,998,451 - Keller , et al. August 16, 2	2011-08-16
Sulfur Degassing Process App 20100163401 - Keller; Alfred E. ; et al.	2010-07-01
Sulfur Removal From Gases App 20100098618 - Keller; Alfred E. ; et al.	2010-04-22
Sulfur recovery plant Grant 7,658,906 - Keller , et al. February 9, 2	2010-02-09
Novel Sulfur Recovery Plant App 20090220402 - Keller; Alfred E. ; et al.	2009-09-03
Compact sulfur recovery plant and process Grant 7,560,088 - Keller , et al. July 14, 2	2009-07-14
Increased capacity sulfur recovery plant and process for recovering elemental sulfur Grant 7,501,111 - Keller , et al. March 10, 2	2009-03-10
Apparatus and catalytic partial oxidation process for recovering sulfur from an H.sub.2S-containing gas stream Grant 7,357,908 - Ramani , et al. April 15, 2	2008-04-15
Increased Capacity Sulfur Recovery Plant and Process for Recovering Elemental Sulfur App 20080050306 - Keller; Alfred E. ; et al.	2008-02-28
Catalytic partial oxidation process for recovering sulfur from an H.sub.2S-containing gas stream Grant 7,326,397 - Ramani , et al. February 5, 2	2008-02-05
Compact sulfur recovery plant and process App 20070297970 - Keller; Alfred E. ; et al.	2007-12-27
Compact sulfur recovery plant and process Grant 7,226,572 - Keller , et al. June 5, 2	2007-06-05
Two-stage catalytic process for recovering sulfur from an H.sub.2S-containing gas stream Grant 7,138,101 - Keller , et al. November 21, 2	2006-11-21
Catalysts for SPOC.TM. enhanced synthesis gas production Grant 7,122,170 - Ramani , et al. October 17, 2	2006-10-17
Process for the catalytic partial oxidation of H.sub.2S using staged addition of oxygen Grant 7,108,842 - Ramani , et al. September 19, 2	2006-09-19
Sulfided catalysts for improved performance in hydrocarbon processing Grant 7,041,621 - Ramani , et al. May 9, 2	2006-05-09
Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream App 20060051275 - Ramani; Sriram ; et al.	2006-03-09
Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream Grant 6,946,111 - Keller , et al. September 20, 2	2005-09-20
Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream App 20050201924 - Ramani, Sriram ; et al.	2005-09-15
Two-stage catalytic process for recovering sulfur from an H2S-containing gas stream App 20050180914 - Keller, Alfred E. ; et al.	2005-08-18
Steam reformer for methane with internal hydrogen separation and combustion Grant 6,881,394 - Keller April 19, 2	2005-04-19
Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream Grant 6,800,269 - Keller , et al. October 5, 2	2004-10-05
Controlling syngas H2:CO ratio by controlling feed hydrocarbon composition Grant 6,773,691 - Ramani , et al. August 10, 2	2004-08-10
Sulfided catalysts for improved performance in hydrocarbon processing App 20040140245 - Ramani, Sriram ; et al.	2004-07-22
Controlling syngas H2:CO ratio by controlling feed hydrocarbon composition App 20040013605 - Ramani, Sriram ; et al.	2004-01-22
Catalysts for SPOCTM enhanced synthesis gas production App 20030129123 - Ramani, Sriram ; et al.	2003-07-10
SPOX-enhanced process for production of synthesis gas Grant 6,579,510 - Keller , et al. June 17, 2	2003-06-17
Steam reformer for methane with internal hydrogen separation and combustion App 20030066240 - Keller, Alfred E.	2003-04-10
Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream App 20020134706 - Keller, Alfred E. ; et al.	2002-09-26
Short contact time catalytic sulfur recovery system for removing H2S from A waste gas stream App 20020131928 - Keller, Alfred E. ; et al.	2002-09-19
Apparatus for recovering sulfur from H2S and concurrent production of H2 App 20020119091 - Keller, Alfred E.	2002-08-29
SPOX-enhanced process for production of synthesis gas App 20020110521 - Keller, Alfred E. ; et al.	2002-08-15
Recovery of sulfur from H2S and concurrent production of H2 using short contact time CPOX Grant 6,403,051 - Keller June 11, 2	2002-06-11
Monitoring and control system for selective regeneration of alkanolamine from cation ion exchange resin with sodium hydroxide Grant 5,368,818 - Cummings , et al. November 29, 1	1994-11-29
Reactivation of spent alkanolamine Grant 5,045,291 - Keller September 3, 1	1991-09-03
Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine Grant 5,006,258 - Veatch , et al. April 9, 1	1991-04-09

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