Inventor · disambiguated record
Ramsay Chang
Also filed as: CHANG RAMSAY
27 granted patents·6 pending applications·1,894 citations·filing 1989–2017
98Inventor score
Files withELECTRIC POWER RES INST23CHANG RAMSAY6BERRY MARK SIMPSON1ELECTRIC POWER RES INC1ELECTRIC POWER RES INSTITUTE INC1
Top patents by PatentIndex Score
33 records- 0198US6558454B1Method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbentsELECTRIC POWER RES INST·Filed 2001·Granted May 6, 2003·222 cites·23 claims
- 0298US5505766AMethod for removing pollutants from a combustor flue gas and system for sameELECTRIC POWER RES INC·Filed 1994·Granted Apr 9, 1996·308 cites·11 claims
- 0396US7141091B2Method and apparatus for removing particulate and vapor phase contaminants from a gas streamELECTRIC POWER RES INST·Filed 2003·Granted Nov 28, 2006·74 cites·62 claims
- 0496US6818043B1Vapor-phase contaminant removal by injection of fine sorbent slurriesELECTRIC POWER RES INST·Filed 2003·Granted Nov 16, 2004·197 cites·20 claims
- 0596US5158580ACompact hybrid particulate collector (COHPAC)ELECTRIC POWER RES INST·Filed 1991·Granted Oct 27, 1992·117 cites·4 claims
- 0695US5024681ACompact hybrid particulate collectorELECTRIC POWER RES INST·Filed 1989·Granted Jun 18, 1991·84 cites·9 claims
- 0794US6136072AApparatus and method for the removal of contaminants in gasesELECTRIC POWER RES INST·Filed 1998·Granted Oct 24, 2000·106 cites·19 claims
- 0893US5827352AMethod for removing mercury from a gas stream and apparatus for sameELECTRIC POWER RES INST·Filed 1997·Granted Oct 27, 1998·202 cites·21 claims
- 0992US6712878B2Method and apparatus for renewable mercury sorptionELECTRIC POWER RES INST·Filed 2002·Granted Mar 30, 2004·64 cites·28 claims
- 1092US6451094B1Apparatus and method for removal of vapor phase contaminants from a gas stream by in-situ activation of carbon-based sorbentsELECTRIC POWER RES INST·Filed 1999·Granted Sep 17, 2002·106 cites·20 claims
- 1191US6695894B2Method and apparatus for removing vapor phase contaminants from a flue gas streamELECTRIC POWER RES INST·Filed 2002·Granted Feb 24, 2004·54 cites·21 claims
- 1291US5854173AFlake shaped sorbent particle for removing vapor phase contaminants from a gas stream and method for manufacturing sameELECTRIC POWER RES INST·Filed 1996·Granted Dec 29, 1998·109 cites·9 claims
- 1390US7731781B2Method and apparatus for the enhanced removal of aerosols and vapor phase contaminants from a gas streamELECTRIC POWER RES INST·Filed 2007·Granted Jun 8, 2010·21 cites·28 claims
- 1489US6514315B1Apparatus and method for collecting flue gas particulate with high permeability filter bagsELECTRIC POWER RES INST·Filed 2000·Granted Feb 4, 2003·38 cites·6 claims
- 1586US8241398B2Method and apparatus for the enhanced removal of aerosols and vapor phase contaminants from a gas streamBERRY MARK SIMPSON·Filed 2010·Granted Aug 14, 2012·11 cites·22 claims
- 1685US5948143AApparatus and method for the removal of contaminants in gasesELECTRIC POWER RES INST·Filed 1998·Granted Sep 7, 1999·65 cites·7 claims
- 1784US8029600B2Sorbent filter for the removal of vapor phase contaminantsELECTRIC POWER RES INST·Filed 2006·Granted Oct 4, 2011·12 cites·44 claims
- 1884US6905534B2Method and apparatus for removing vapor phase contaminants from a flue gas streamELECTRIC POWER RES INST·Filed 2003·Granted Jun 14, 2005·32 cites·22 claims
- 1982US8911536B2Method and apparatus for rapid adsorption-desorption CO2 captureCHANG RAMSAY·Filed 2013·Granted Dec 16, 2014·5 cites·7 claims
- 2082US7708803B2Method and apparatus for the enhanced removal of aerosols from a gas streamELECTRIC POWER RES INST·Filed 2006·Granted May 4, 2010·9 cites·20 claims
- 2180US6468489B1Apparatus and method for decreasing contaminants present in a gas streamELECTRIC POWER RES INST·Filed 2001·Granted Oct 22, 2002·29 cites·20 claims
- 2268US9144766B2Method and apparatus for rapid adsorption-desorption CO2 captureELECTRIC POWER RES INST·Filed 2014·Granted Sep 29, 2015·1 cites·5 claims
- 2367US9555368B2Chemically-enhanced sorbent activation process and method of using sameCHANG RAMSAY·Filed 2010·Granted Jan 31, 2017·1 cites·18 claims
- 2466US9302218B2Chemically-enhanced sorbent activation process and methods for using sameCHANG RAMSAY·Filed 2012·Granted Apr 5, 2016·1 cites·28 claims
- 2562US8999278B2Method and apparatus for on-site production of lime and sorbents for use in removal of gaseous pollutantsCHANG RAMSAY·Filed 2010·Granted Apr 7, 2015·1 cites·31 claims
- 2662US6267940B1Method for reducing NOx with an activated catalystELECTRIC POWER RES INST·Filed 1999·Granted Jul 31, 2001·25 cites·23 claims
- 2754US2017136444A1Chemically-Enhanced Sorbent Activation Process and Method for Using SameCHANG RAMSAY·Filed 2017·Application pending·0 cites
- 2850US2012247330A1Method and apparatus for rapid adsorption-desorption co2 captureCHANG RAMSAY·Filed 2011·Application pending·0 cites
- 2949US10391473B1Polymer-protected sorbentELECTRIC POWER RES INSTITUTE INC·Filed 2017·Granted Aug 27, 2019·0 cites·18 claims
- 3049US2009320678A1Sorbent Filter for the Removal of Vapor Phase ContaminantsELECTRIC POWER RES INST·Filed 2009·Application pending·0 cites
- 3144US2008105176A1Staged-coal injection for boiler reliability and emissions reductionELECTRIC POWER RES INST·Filed 2006·Application pending·0 cites
- 3243US2005135981A1Method and apparatus for reducing NOx and other vapor phase contaminants from a gas streamFiled 2003·Application pending·0 cites
- 3340US2011056417A1Catalyst ash protectorELECTRIC POWER RES INST·Filed 2010·Application pending·0 cites
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →