Inventor · disambiguated record
Ravi Prasad
Also filed as: PRASAD RAVI · PRASAD RAVI S · PRASAD RAVI SHANKAR
109 granted patents·14 pending applications·4,997 citations·filing 1979–2018
99Inventor score
Files withPRAXAIR TECHNOLOGY INC55HEWLETT PACKARD DEVELOPMENT CO18HOECHST CELANESE CORP5PHILIP MORRIS INC4PRASAD RAVI4
Top patents by PatentIndex Score
123 records- 0198US5018540AProcess for removal of basic materialsPHILIP MORRIS INC·Filed 1987·Granted May 28, 1991·281 cites·60 claims
- 0298US4931070AProcess and system for the production of dry, high purity nitrogenUNION CARBIDE CORP·Filed 1989·Granted Jun 5, 1990·141 cites·23 claims
- 0397US6402988B1Process for producing a syngasPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Jun 11, 2002·110 cites·5 claims
- 0496US6139810ATube and shell reactor with oxygen selective ion transport ceramic reaction tubesPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Oct 31, 2000·145 cites·18 claims
- 0595US6695983B2Syngas production method utilizing an oxygen transport membranePRAXAIR TECHNOLOGY INC·Filed 2001·Granted Feb 24, 2004·82 cites·18 claims
- 0695US6368383B1Method of separating oxygen with the use of composite ceramic membranesPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Apr 9, 2002·87 cites·18 claims
- 0795US6296686B1Ceramic membrane for endothermic reactionsPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Oct 2, 2001·110 cites·8 claims
- 0895US5352361ASpiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing bafflesHOECHST CELANESE CORP·Filed 1993·Granted Oct 4, 1994·114 cites·18 claims
- 0994US6924054B2Fuel supply for a fuel cellHEWLETT PACKARD DEVELOPMENT CO·Filed 2001·Granted Aug 2, 2005·110 cites·49 claims
- 1094US5820655ASolid Electrolyte ionic conductor reactor designPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Oct 13, 1998·128 cites·22 claims
- 1194US5497792AProcess and apparatus for the semicontinuous extraction of nicotine from tobaccoPHILIP MORRIS INC·Filed 1987·Granted Mar 12, 1996·100 cites·73 claims
- 1294US4881953APrevention of membrane degradationUNION CARBIDE CORP·Filed 1988·Granted Nov 21, 1989·117 cites·32 claims
- 1393US6638575B1Plasma sprayed oxygen transport membrane coatingsPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Oct 28, 2003·96 cites·5 claims
- 1493US6153163ACeramic membrane reformerPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Nov 28, 2000·100 cites·15 claims
- 1593US6010614ATemperature control in a ceramic membrane reactorPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Jan 4, 2000·99 cites·15 claims
- 1693US5004482AProduction of dry, high purity nitrogenUNION CARBIDE CORP·Filed 1989·Granted Apr 2, 1991·63 cites·21 claims
- 1791US5102432AThree-stage membrane gas separation process and systemUNION CARBIDE IND GASES TECH·Filed 1990·Granted Apr 7, 1992·91 cites·15 claims
- 1890US7661828B2Adjusting light intensityHEWLETT PACKARD DEVELOPMENT CO·Filed 2005·Granted Feb 16, 2010·16 cites·31 claims
- 1990US6457820B1Facility and method for removing gas bubbles from an ink jet printerHEWLETT PACKARD CO·Filed 2001·Granted Oct 1, 2002·40 cites·4 claims
- 2090US6139604AThermally powered oxygen/nitrogen plant incorporating an oxygen selective ion transport membranePRAXAIR TECHNOLOGY INC·Filed 1998·Granted Oct 31, 2000·76 cites·21 claims
- 2190US5938822ASolid electrolyte membrane with porous catalytically-enhancing constituentsPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Aug 17, 1999·85 cites·20 claims
- 2290US5649552AProcess and apparatus for impregnation and expansion of tobaccoPHILIP MORRIS INC·Filed 1995·Granted Jul 22, 1997·191 cites·128 claims
- 2390US5284584AHollow fiber membrane fabric - containing cartridges and modules having solvent-resistant thermoplastic tube sheets, and methods for making the sameHOECHST CELANESE CORP·Filed 1992·Granted Feb 8, 1994·88 cites·17 claims
- 2490US5264171AMethod of making spiral-wound hollow fiber membrane fabric cartridges and modules having flow-directing bafflesHOECHST CELANESE CORP·Filed 1991·Granted Nov 23, 1993·75 cites·12 claims
- 2589US6565632B1Ion-transport membrane assembly incorporating internal supportPRAXAIR TECHNOLOGY INC·Filed 2001·Granted May 20, 2003·57 cites·9 claims
- 2689US5820654AIntegrated solid electrolyte ionic conductor separator-coolerPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Oct 13, 1998·119 cites·20 claims
- 2789US5733435APressure driven solid electrolyte membrane gas separation methodPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Mar 31, 1998·83 cites·9 claims
- 2889US5378263AHigh purity membrane nitrogenPRAXAIR TECHNOLOGY INC·Filed 1992·Granted Jan 3, 1995·75 cites·20 claims
- 2988US5964922ASolid electrolyte ionic conductor with adjustable steam-to-oxygen productionPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Oct 12, 1999·59 cites·19 claims
- 3088US4934148ADry, high purity nitrogen production process and systemUNION CARBIDE CORP·Filed 1989·Granted Jun 19, 1990·66 cites·17 claims
- 3187US7814656B2Flexible barrier film structureHEWLETT PACKARD DEVELOPMENT CO·Filed 2006·Granted Oct 19, 2010·14 cites·19 claims
- 3287US5226932AEnhanced meambrane gas separationsPRAXAIR TECHNOLOGY INC·Filed 1991·Granted Jul 13, 1993·66 cites·25 claims
- 3386US5837125AReactive purge for solid electrolyte membrane gas separationPRAXAIR TECHNOLOGY INC·Filed 1995·Granted Nov 17, 1998·69 cites·20 claims
- 3486US5084073AMembrane drying process and systemUNION CARBIDE IND GASES TECH·Filed 1990·Granted Jan 28, 1992·65 cites·27 claims
- 3585US8152898B2Helium recovery processPRASAD RAVI·Filed 2009·Granted Apr 10, 2012·10 cites·20 claims
- 3685US6537465B2Low pressure steam purged chemical reactor including an oxygen transport membranePRAXAIR TECHNOLOGY INC·Filed 2000·Granted Mar 25, 2003·28 cites·38 claims
- 3785US5547494AStaged electrolyte membranePRAXAIR TECHNOLOGY INC·Filed 1995·Granted Aug 20, 1996·71 cites·20 claims
- 3884US6927108B2Solution-processed thin film transistor formation methodHEWLETT PACKARD DEVELOPMENT CO·Filed 2003·Granted Aug 9, 2005·41 cites·30 claims
- 3984US6017646AProcess integrating a solid oxide fuel cell and an ion transport reactorPRAXAIR TECHNOLOGY INC·Filed 1998·Granted Jan 25, 2000·54 cites·22 claims
- 4084US5852925AMethod for producing oxygen and generating power using a solid electrolyte membrane integrated with a gas turbinePRAXAIR TECHNOLOGY INC·Filed 1997·Granted Dec 29, 1998·64 cites·16 claims
- 4184US5165908AAnnular heated fluidized bed reactorADVANCED SILICON MATERIALS INC·Filed 1990·Granted Nov 24, 1992·48 cites·11 claims
- 4283US6539719B2Integration of ceramic oxygen transport membrane combustor with boiler furnacePRAXAIR TECHNOLOGY INC·Filed 2001·Granted Apr 1, 2003·27 cites·23 claims
- 4383US6406518B1Gas separation process using ceramic membrane and regeneratorsPRAXAIR TECHNOLOGY INC·Filed 2000·Granted Jun 18, 2002·24 cites·18 claims
- 4483US4992245AAnnular heated fluidized bed reactorADVANCED SILICON MATERIALS INC·Filed 1990·Granted Feb 12, 1991·58 cites·14 claims
- 4582US6790416B2Hydrogen generation systemHEWLETT PACKARD DEVELOPMENT CO·Filed 2002·Granted Sep 14, 2004·21 cites·13 claims
- 4682US5888272AProcess for enriched combustion using solid electrolyte ionic conductor systemsPRAXAIR TECHNOLOGY INC·Filed 1997·Granted Mar 30, 1999·65 cites·18 claims
- 4782US5205842ATwo stage membrane dryerPRAXAIR TECHNOLOGY INC·Filed 1992·Granted Apr 27, 1993·52 cites·15 claims
- 4881US6066307AMethod of producing hydrogen using solid electrolyte membraneFiled 1999·Granted May 23, 2000·44 cites·19 claims
- 4981US5911860ASolid electrolyte membrane with mechanically-enhancing constituentsPRAXAIR TECHNOLOGY INC·Filed 1996·Granted Jun 15, 1999·55 cites·11 claims
- 5081US5308382AContainer inertingPRAXAIR TECHNOLOGY INC·Filed 1993·Granted May 3, 1994·42 cites·13 claims
Showing the top 50 of 123 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →