Inventor · disambiguated record
Chellappa Balan
Also filed as: BALAN CHELLAPPA · BALAN CHELLAPPA NMN
38 granted patents·15 pending applications·1,054 citations·filing 1991–2024
98Inventor score
Top patents by PatentIndex Score
53 records- 0197US10069150B2Alternative path cooling of a high temperature fuel cellBOEING CO·Filed 2015·Granted Sep 4, 2018·33 cites·9 claims
- 0297US7124584B1System and method for heat recovery from geothermal source of heatGEN ELECTRIC·Filed 2005·Granted Oct 24, 2006·114 cites·20 claims
- 0396US10644331B2Rapid start hybrid solid oxide fuel cell power systemBOEING CO·Filed 2016·Granted May 5, 2020·41 cites·20 claims
- 0496US7650744B2Systems and methods of reducing NOx emissions in gas turbine systems and internal combustion enginesGEN ELECTRIC·Filed 2006·Granted Jan 26, 2010·80 cites·2 claims
- 0595US7802434B2Systems and processes for reducing NOx emissionsGEN ELECTRIC·Filed 2006·Granted Sep 28, 2010·86 cites·18 claims
- 0695US7752848B2System and method for co-production of hydrogen and electrical energyGEN ELECTRIC·Filed 2004·Granted Jul 13, 2010·103 cites·20 claims
- 0794US7266940B2Systems and methods for power generation with carbon dioxide isolationGEN ELECTRIC·Filed 2005·Granted Sep 11, 2007·68 cites·19 claims
- 0892US7347049B2Method and system for thermochemical heat energy storage and recoveryGEN ELECTRIC·Filed 2004·Granted Mar 25, 2008·74 cites·29 claims
- 0990US7315769B2Multi-tier benefit optimization for operating the power systems including renewable and traditional generation, energy storage, and controllable loadsGEN ELECTRIC·Filed 2005·Granted Jan 1, 2008·42 cites·21 claims
- 1089US8337154B2High efficiency cooling fanDECKER JOHN·Filed 2008·Granted Dec 25, 2012·23 cites·38 claims
- 1188US7848101B2System and method for cooling electronic systemsGEN ELECTRIC·Filed 2008·Granted Dec 7, 2010·19 cites·14 claims
- 1288US7491309B2System and method for the production of hydrogenGEN ELECTRIC·Filed 2005·Granted Feb 17, 2009·12 cites·36 claims
- 1387US7819641B2Reverse flow cooling for fan motorXCELAERO CORP·Filed 2007·Granted Oct 26, 2010·20 cites·11 claims
- 1486US8034219B2System and method for the production of hydrogenGEN ELECTRIC·Filed 2009·Granted Oct 11, 2011·9 cites·17 claims
- 1583US9332679B2Fan assembly for rack optimized server computersCARL JR RALPH J·Filed 2012·Granted May 3, 2016·8 cites·55 claims
- 1683US8231774B2Thermal management of a high temperature fuel cell electrolyzerATREYA SHAILESH·Filed 2009·Granted Jul 31, 2012·7 cites·20 claims
- 1783US7345873B2System and method for cooling electronic systemsGEN ELECTRIC·Filed 2004·Granted Mar 18, 2008·34 cites·43 claims
- 1882US7615304B2SOFC systems to power a liquid or gas fuel pumping stationGEN ELECTRIC·Filed 2005·Granted Nov 10, 2009·5 cites·11 claims
- 1982US5201850ARotor tip shroud damper including damper wiresGEN ELECTRIC·Filed 1991·Granted Apr 13, 1993·72 cites·8 claims
- 2081US7331179B2System and method for production of hydrogenGEN ELECTRIC·Filed 2004·Granted Feb 19, 2008·16 cites·32 claims
- 2180US7969734B2Unique cooling scheme for advanced thermal management of high flux electronicsGEN ELECTRIC·Filed 2007·Granted Jun 28, 2011·10 cites·25 claims
- 2279US7410713B2Integrated fuel cell hybrid power plant with re-circulated air and fuel flowGEN ELECTRIC·Filed 2002·Granted Aug 12, 2008·20 cites·7 claims
- 2376US8622695B2Flow trim for vane-axial fansDECKER JOHN J·Filed 2009·Granted Jan 7, 2014·12 cites·11 claims
- 2476US7384620B2Method and system for producing hydrogen by reforming hydrogen-containing gasGEN ELECTRIC·Filed 2003·Granted Jun 10, 2008·16 cites·20 claims
- 2576US7153599B2Cooled turbine integrated fuel cell hybrid power plantGEN ELECTRIC·Filed 2002·Granted Dec 26, 2006·15 cites·60 claims
- 2675US8157518B2Low camber microfanDECKER JOHN·Filed 2008·Granted Apr 17, 2012·15 cites·33 claims
- 2775US7595124B2Integrated fuel cell hybrid power plant with controlled oxidant flow for combustion of spent fuelGEN ELECTRIC·Filed 2003·Granted Sep 29, 2009·14 cites·18 claims
- 2875US7168918B2High performance cooling fanGEN ELECTRIC·Filed 2004·Granted Jan 30, 2007·20 cites·50 claims
- 2973US2025058891A1Fuel Cell Aircraft Thermal Management SystemBOEING CO·Filed 2024·Application pending·0 cites
- 3070US8282348B2Fan with strut-mounted electrical componentsCARL JR RALPH J·Filed 2008·Granted Oct 9, 2012·6 cites·36 claims
- 3169US7721554B2Aircraft auxiliary gas turbine engine and method for operatingGEN ELECTRIC·Filed 2006·Granted May 25, 2010·11 cites·15 claims
- 3269US7572432B2Method and article for producing hydrogen gasGEN ELECTRIC·Filed 2004·Granted Aug 11, 2009·10 cites·21 claims
- 3368US9017890B2Alternative path cooling of a high temperature fuel cellMATA MARIANNE E·Filed 2009·Granted Apr 28, 2015·5 cites·9 claims
- 3466US6846208B1Wave rotor based power and propulsion generation for a marine vesselLOCKHEED CORP·Filed 2003·Granted Jan 25, 2005·19 cites·20 claims
- 3563US11430998B2Fuel cell interconnect assemblyBOEING CO·Filed 2020·Granted Aug 30, 2022·0 cites·20 claims
- 3659US7803473B2Integrated power plant and system and method incorporating the sameGEN ELECTRIC·Filed 2004·Granted Sep 28, 2010·4 cites·6 claims
- 3758US7595122B2Interconnect supported electrolyzer assembly, preform and method of fabricationGEN ELECTRIC·Filed 2004·Granted Sep 29, 2009·3 cites·31 claims
- 3857US6896987B2Fuel cell container cooling systemGEN ELECTRIC·Filed 2002·Granted May 24, 2005·2 cites·46 claims
- 3957US2025058885A1Low Temperature Proton Exchange Membrane Charge Air Heat ExchangerBOEING CO·Filed 2024·Application pending·0 cites
- 4055US2025059933A1Method of Nacelle Air Heat Exchanger Integration for a Hydrogen Fueled Fuel Cell Powered AircraftBOEING CO·Filed 2024·Application pending·0 cites
- 4154US2025058884A1Start-Up of High Temperature Proton Exchange Membrane (HTPEM) Fuel Cell Aircraft with Multiple Power Generating UnitsBOEING CO·Filed 2024·Application pending·0 cites
- 4253US2009071153A1Method and system for energy storage and recoveryGEN ELECTRIC·Filed 2008·Application pending·0 cites
- 4353US2025058889A1Configuration for a LH2 Fuel Cell Aircraft with Distributed SystemsBOEING CO·Filed 2024·Application pending·0 cites
- 4446US2008219836A1Fan with heat dissipating outlet guide vanesXCELAERO CORP·Filed 2007·Application pending·0 cites
- 4545US2005123810A1System and method for co-production of hydrogen and electrical energyFiled 2003·Application pending·0 cites
- 4644US2005142398A1Prevention of chromia-induced cathode poisoning in solid oxide fuel cells (SOFC)GEN ELECTRIC·Filed 2003·Application pending·0 cites
- 4744US2005144961A1System and method for cogeneration of hydrogen and electricityGEN ELECTRIC·Filed 2003·Application pending·0 cites
- 4843US6978621B2Turbo recuperator deviceGEN ELECTRIC·Filed 2002·Granted Dec 27, 2005·6 cites·11 claims
- 4943US2004043265A1Staged fuel cell with intercoolingGEN ELECTRIC·Filed 2002·Application pending·0 cites
- 5042US2004038099A1Fluid passages for power generation equipmentGEN ELECTRIC GRC·Filed 2002·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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