Inventor · disambiguated record
Stephen R. Vasconcellos
Also filed as: VASCONCELLOS STEPHEN · VASCONCELLOS STEPHEN R · VASCONCELLOS STEPHEN ROBERT
35 granted patents·9 pending applications·473 citations·filing 1978–2016
97Inventor score
Top patents by PatentIndex Score
44 records- 0190US7611632B1Method of conditioning mixed liquor using a tannin containing polymerGEN ELECTRIC·Filed 2008·Granted Nov 3, 2009·33 cites·26 claims
- 0288US5234604AWater soluble block copolymers and methods of use therofBETZ LABORATORIES·Filed 1992·Granted Aug 10, 1993·61 cites·10 claims
- 0385US8858803B2Methods of preparing novel halide anion free quaternary ammonium salt monomers, polymerization methods therefor, and methods of use of the resulting polymersGULIASHVILI TAMAZ·Filed 2010·Granted Oct 14, 2014·8 cites·8 claims
- 0485US6666975B1Method of reducing hydrogen sulfide odor emissions from an aqueous mediumGE BETZ INC·Filed 2002·Granted Dec 23, 2003·29 cites·3 claims
- 0578US4201552ACoal-oil slurry compositionsNEW ENGLAND POWER SERVICE·Filed 1978·Granted May 6, 1980·26 cites·8 claims
- 0677US5643462AComposition and method for water clarificationBETZDEARBORN INC·Filed 1994·Granted Jul 1, 1997·28 cites·8 claims
- 0777US5292441AQuaternized polyvinylamine water clarification agentsBETZ LABORATORIES·Filed 1993·Granted Mar 8, 1994·41 cites·6 claims
- 0877US5182331AWater soluble block copolymers and methods of use thereofBETZ LABORATORIES·Filed 1991·Granted Jan 26, 1993·29 cites·8 claims
- 0974US7722841B2Polymeric chelant and coagulant to treat metal-containing wastewaterGEN ELECTRIC·Filed 2006·Granted May 25, 2010·5 cites·14 claims
- 1070US8557125B2Treatment additives, methods for making and methods for clarifying aqueous mediaSURESH SEETHALAKSHMI·Filed 2010·Granted Oct 15, 2013·2 cites·11 claims
- 1167US7943048B2Methods for recovering tallow from wastewaterGEN ELECTRIC·Filed 2008·Granted May 17, 2011·3 cites·11 claims
- 1262US4906386AFlocculation of coal fines with polyelectrolytes and electrolyteBETZ LABORATIES INC·Filed 1988·Granted Mar 6, 1990·29 cites·23 claims
- 1360US4657702APartial oxidation of petroleum cokeTEXACO INC·Filed 1985·Granted Apr 14, 1987·13 cites·10 claims
- 1458US6887935B2Modified polymeric flocculants with improved performance characteristicsGE BETZ INC·Filed 2004·Granted May 3, 2005·3 cites·17 claims
- 1557US5846436AComposition and method for water clarificationBETZDEARBORN INC·Filed 1997·Granted Dec 8, 1998·13 cites·24 claims
- 1655US6743421B2Method for odor controlGE BETZ INC·Filed 2002·Granted Jun 1, 2004·5 cites·12 claims
- 1755US5169536ADetoxification agents for surfactant based biocidesBETZ LABORATORIES·Filed 1992·Granted Dec 8, 1992·20 cites·9 claims
- 1853US9902626B2Method and filter for removing nitrate ionsGEN ELECTRIC·Filed 2013·Granted Feb 27, 2018·0 cites·12 claims
- 1951US4708819AReduction of vanadium in recycle petroleum cokeTEXACO INC·Filed 1985·Granted Nov 24, 1987·8 cites·5 claims
- 2051US4681700APartial oxidation of upgraded petroleum cokeTEXACO INC·Filed 1985·Granted Jul 21, 1987·8 cites·6 claims
- 2150US5720887AMethods for sludge dewateringBETZDEARBORN INC·Filed 1996·Granted Feb 24, 1998·18 cites·9 claims
- 2250US2016347631A1Tannin-based polymer as filter aid for reducing fouling in filtration of high tds waterGEN ELECTRIC·Filed 2014·Application pending·0 cites
- 2349US5183576ACationic polymers for sludge dewateringBETZ LABORATORIES·Filed 1991·Granted Feb 2, 1993·16 cites·10 claims
- 2449US4623359AAqueous slurries of solid carbonaceous fuelTEXACO INC·Filed 1984·Granted Nov 18, 1986·11 cites·19 claims
- 2549US2014030306A1Methods and compositions for remediating microbial induced corrosion and environmental damage, and for improving wastewater treatment processesPOLIZZOTTI DAVID MATTHEW·Filed 2012·Application pending·0 cites
- 2649US2010051553A1Method for removing mercury from wastewater and other liquid streamsGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 2748US8778185B2Methods of conditioning mixed liquor using water soluble quaternary ammonium starchesWANG SIJING·Filed 2010·Granted Jul 15, 2014·0 cites·18 claims
- 2848US2013126442A1Methods for removing contaminants from waterBAKAS STEVE T·Filed 2011·Application pending·0 cites
- 2948US2018170774A1Device and method for generating oxidants in situXIA ZIJUN·Filed 2014·Application pending·0 cites
- 3047US5368744AMethods for treating wastewaterBETZ LABORATORIES·Filed 1993·Granted Nov 29, 1994·14 cites·11 claims
- 3146US9371408B2Polymer and method for using the sameLIANG YANGANG·Filed 2012·Granted Jun 21, 2016·0 cites·19 claims
- 3246US5100561ACationic polymers for sludge dewateringBETZ LABORATORIES·Filed 1990·Granted Mar 31, 1992·14 cites·10 claims
- 3345US4525280AProcess for separating a water dispersion of ash, slag and char particulate matterTEXACO INC·Filed 1983·Granted Jun 25, 1985·12 cites·16 claims
- 3444US8518267B2Treatment of surfactant laden wastewaterVASCONCELLOS STEPHEN ROBERT·Filed 2011·Granted Aug 27, 2013·0 cites·5 claims
- 3544US7291273B2Methods for removing metals from plating operationGEN ELECTRIC·Filed 2005·Granted Nov 6, 2007·0 cites·10 claims
- 3642US2004087717A1Modified polymeric flocculants with improved performance characteristicsGE BETZ INC·Filed 2002·Application pending·0 cites
- 3741US2016355426A1Microwave processing of wastewater sludgeGEN ELECTRIC·Filed 2016·Application pending·0 cites
- 3839US2013161255A1Microwave processing of wastewater sludgeNECULAES VASILE BOGDAN·Filed 2011·Application pending·0 cites
- 3938US4575380AFormation of disperse-slurry of H-coal residueTEXACO INC·Filed 1983·Granted Mar 11, 1986·5 cites·15 claims
- 4037US8728326B2Polymer and methods for preparing and using the samePENG WENQING·Filed 2011·Granted May 20, 2014·0 cites·8 claims
- 4136US4575381AFormation of disperse-slurry of coal liquefaction residueTEXACO INC·Filed 1984·Granted Mar 11, 1986·4 cites·18 claims
- 4236US2013220920A1Methods for improving membrane bioreactor systemsWANG SIJING·Filed 2010·Application pending·0 cites
- 4333US5486296ADetoxification for quaternary ammonium compounds with lignosulfonatesBETZ LABORATORIES·Filed 1995·Granted Jan 23, 1996·5 cites·6 claims
- 4433US5183575AMethods for the flocculation of coal fines and insoluble metals in coal mine watersBETZ LABORATORIES·Filed 1991·Granted Feb 2, 1993·10 cites·10 claims
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →