Inventor · disambiguated record
Ranjani V. Siriwardane
Also filed as: SIRIWARDANE RANJANI · SIRIWARDANE RANJANI V
29 granted patents·3 pending applications·413 citations·filing 1991–2025
96Inventor score
Files withUS ENERGY17SIRIWARDANE RANJANI V12EXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY1FISHER JAMES C1
Top patents by PatentIndex Score
32 records- 0198US10427138B1Metal ferrite catalyst for conversion of CO2 and methane to synthesis gas via reformingUS ENERGY·Filed 2017·Granted Oct 1, 2019·15 cites·8 claims
- 0297US7314847B1Regenerable sorbents for CO2 capture from moderate and high temperature gas streamsUS ENERGY·Filed 2004·Granted Jan 1, 2008·146 cites·5 claims
- 0394US10106407B1Metal ferrite oxygen carriers/catalyst for partial oxidation of methane for production of synthesis gasUS ENERGY·Filed 2017·Granted Oct 23, 2018·8 cites·17 claims
- 0493US10030204B1Metal ferrite oxygen carriers for gasification of solid carbonaceous fuelSIRIWARDANE RANJANI V·Filed 2015·Granted Jul 24, 2018·9 cites·20 claims
- 0593US9333485B1Preparation of sorbent pellets with high integrity for sorption of CO2 from gas streamsSIRIWARDANE RANJANI V·Filed 2015·Granted May 10, 2016·6 cites·13 claims
- 0693US8470276B1Process for CO2 capture using a regenerable magnesium hydroxide sorbentSIRIWARDANE RANJANI V·Filed 2010·Granted Jun 25, 2013·17 cites·19 claims
- 0791US12122967B1Process for production of H2 rich synthesis gas from coal/steam with Cu—Fe-alumina based catalystsUS ENERGY·Filed 2020·Granted Oct 22, 2024·2 cites·3 claims
- 0889US10513436B1Production of pure hydrogen and synthesis gas or carbon with CUO-Fe2O3 oxygen carriers using chemical looping combustion and methane decomposition/reformingUS ENERGY·Filed 2016·Granted Dec 24, 2019·5 cites·11 claims
- 0989US8128735B1Process for CO2 capture using zeolites from high pressure and moderate temperature gas streamsSIRIWARDANE RANJANI V·Filed 2009·Granted Mar 6, 2012·12 cites·20 claims
- 1088US9797594B1Tri-metallic ferrite oxygen carriers for chemical looping combustionSIRIWARDANE RANJANI V·Filed 2015·Granted Oct 24, 2017·6 cites·15 claims
- 1187US9557053B1Metal ferrite oxygen carriers for chemical looping combustion of solid fuelsSIRIWARDANE RANJANI V·Filed 2013·Granted Jan 31, 2017·10 cites·14 claims
- 1284US9004911B1Apparatus and method for solid fuel chemical looping combustionSIRIWARDANE RANJANI V·Filed 2012·Granted Apr 14, 2015·11 cites·9 claims
- 1383US8888895B1Method of CO2 removal from a gasesous stream at reduced temperatureFISHER JAMES C·Filed 2013·Granted Nov 18, 2014·10 cites·20 claims
- 1482US6743405B1Low temperature sorbents for removal of sulfur compounds from fluid feed streamsUS ENERGY·Filed 2002·Granted Jun 1, 2004·22 cites·9 claims
- 1581US5703003ADurable regenerable sorbent pellets for removal of hydrogen sulfide from coal gasUS ENERGY·Filed 1995·Granted Dec 30, 1997·51 cites·11 claims
- 1679US9523499B1Regenerable mixed copper-iron-inert support oxygen carriers for solid fuel chemical looping combustion processSIRIWARDANE RANJANI V·Filed 2011·Granted Dec 20, 2016·4 cites·20 claims
- 1779US5494880ADurable zinc oxide-containing sorbents for coal gas desulfurizationUS ENERGY·Filed 1994·Granted Feb 27, 1996·38 cites·7 claims
- 1877US8617499B1Minimization of steam requirements and enhancement of water-gas shift reaction with warm gas temperature CO2 removalSIRIWARDANE RANJANI V·Filed 2010·Granted Dec 31, 2013·3 cites·17 claims
- 1975US11433385B1Encapsulation method for preparation of pellets with high attrition resistanceUS ENERGY·Filed 2019·Granted Sep 6, 2022·1 cites·20 claims
- 2073US8807988B2Regenerable MgO promoted metal oxide oxygen carriers for chemical looping combustionSIRIWARDANE RANJANI V·Filed 2012·Granted Aug 19, 2014·3 cites·14 claims
- 2173US5866503ADurable regenerable sorbent pellets for removal of hydrogen sulfide coal gasUS ENERGY·Filed 1997·Granted Feb 2, 1999·27 cites·5 claims
- 2270US12319575B2Process for production of hydrogen with transport from chemical looping using mixture of partial oxidation oxygen carriers and combustion oxygen carriersUS ENERGY·Filed 2022·Granted Jun 3, 2025·0 cites·19 claims
- 2369US2025250166A1Process for production of hydrogen with transport from chemical looping using mixture of partial oxidation oxygen carriers and combustion oxygen carriersUS ENERGY·Filed 2025·Application pending·0 cites
- 2467US10864501B2Metal ferrite oxygen carriers for conversion of CO2 to CO and fuel to syngas or COUS ENERGY·Filed 2019·Granted Dec 15, 2020·0 cites·13 claims
- 2565US2025145549A1Metal vanadates as oxygen carriers for dehydrogenationEXXONMOBIL TECHNOLOGY & ENGINEERING COMPANY·Filed 2024·Application pending·0 cites
- 2663US9138683B1CO2 removal sorbent composition with high chemical stability during multiple cyclesSIRIWARDANE RANJANI V·Filed 2014·Granted Sep 22, 2015·1 cites·19 claims
- 2755US5177294ACatalysts for conversion of methane to higher hydrocarbonsUS ENERGY·Filed 1991·Granted Jan 5, 1993·5 cites·8 claims
- 2853US9079160B2Method of preparation of a CO2 removal sorbent with high chemical stability during multiple cyclesSIRIWARDANE RANJANI V·Filed 2013·Granted Jul 14, 2015·0 cites·20 claims
- 2953US7767000B1Regenerable hydrogen chloride removal sorbent and regenerable multi-functional hydrogen sulfide and hydrogen chloride removal sorbent for high temperature gas streamsUS ENERGY·Filed 2007·Granted Aug 3, 2010·1 cites·16 claims
- 3048US11427467B1Iron based catalysts for production of carbon and hydrogen from decomposition of methaneUS ENERGY·Filed 2019·Granted Aug 30, 2022·0 cites·15 claims
- 3140US11059721B2Production of synthesis gas from natural gas with copper—iron—manganese oxide oxygen carriers/catalysts via partial oxidation and dry reforming processesUS ENERGY·Filed 2017·Granted Jul 13, 2021·0 cites·11 claims
- 3228US2002052291A1Low temperature sorbents for removal of sulfur compounds from fluid feed streamsFiled 1999·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →