AK

Alfred E. Keller

CO Conocophillips: 17 patents #30 of 954Top 4%
CO Conoco: 8 patents #29 of 638Top 5%
P6 Phillips 66: 7 patents #43 of 327Top 15%
EM Eduard Kusters Maschinefabrik: 5 patents #9 of 61Top 15%
WK Weitmann & Konrad Gmbh & Co. Kg: 3 patents #3 of 19Top 20%
CC Ciba Specialty Chemicals: 1 patents #701 of 1,233Top 60%
GS Givaudan Sa: 1 patents #46 of 78Top 60%
Overall (All Time): #68,220 of 4,157,543Top 2%
44
Patents All Time

Issued Patents All Time

Showing 25 most recent of 44 patents

Patent #TitleCo-InventorsDate
9789433 Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery 2017-10-17
9757677 Apparatus for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery 2017-09-12
9758376 Process for degassing condensed sulfur from a Claus sulfur recovery system 2017-09-12
9573081 Process for degassing condensed sulfur from a claus sulfur recovery system 2017-02-21
9205364 Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from Claus sulfur recovery 2015-12-08
9192887 Process for in-situ production of low dissolved hydrogen sulfide, degassed, sulfur from claus sulfur recovery 2015-11-24
9138675 Process for degassing condensed sulfur from a claus sulfur recovery system 2015-09-22
8075866 Sulfur degassing process Nathan A. Hatcher, Sriram Ramani, Terry D. Pruitt, Michael D. Smith 2011-12-13
7998451 Sulfur degassing process Nathan A. Hatcher, Sriram Ramani, Terry D. Pruitt, Michael D. Smith 2011-08-16
7658906 Sulfur recovery plant Nathan A. Hatcher, Sriram Ramani, Larry D. Swinney 2010-02-09
7560088 Compact sulfur recovery plant and process Sriram Ramani, Nathan A. Hatcher, Joe D. Allison, Steven E. Lusk, Larry D. Swinney +4 more 2009-07-14
7550033 Process for removing sulfides Samuel Henry Beuke, Richard D. Sadok 2009-06-23
7501111 Increased capacity sulfur recovery plant and process for recovering elemental sulfur Sriram Ramani, Joe D. Allison, Steven E. Lusk, Nathan A. Hatcher, Larry D. Swinney +1 more 2009-03-10
7357908 Apparatus and catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream Sriram Ramani 2008-04-15
7326397 Catalytic partial oxidation process for recovering sulfur from an H2S-containing gas stream Sriram Ramani, Devadas Panjala 2008-02-05
7226572 Compact sulfur recovery plant and process Sriram Ramani, Joe D. Allison, Steven E. Lusk, Nathan A. Hatcher, Larry D. Swinney +4 more 2007-06-05
7138101 Two-stage catalytic process for recovering sulfur from an H2S-containing gas stream Sriram Ramani 2006-11-21
7122170 Catalysts for SPOC™ enhanced synthesis gas production Sriram Ramani 2006-10-17
7108842 Process for the catalytic partial oxidation of H2S using staged addition of oxygen Sriram Ramani 2006-09-19
7041621 Sulfided catalysts for improved performance in hydrocarbon processing Sriram Ramani, Joe D. Allison, Zhen Chen 2006-05-09
6946111 Short contact time catalytic partial oxidation process for recovering sulfur from an H2S containing gas stream Joe D. Allison, Sriram Ramani, Terry D. Pruitt 2005-09-20
6881394 Steam reformer for methane with internal hydrogen separation and combustion 2005-04-19
6800269 Short contact time catalytic sulfur recovery system for removing H2S from a waste gas stream Sriram Ramani, Joe D. Allison, Terry D. Pruitt 2004-10-05
6773691 Controlling syngas H2:CO ratio by controlling feed hydrocarbon composition Sriram Ramani, Joe D. Allison 2004-08-10
6579510 SPOX-enhanced process for production of synthesis gas Joe D. Allison, Sriram Ramani 2003-06-17