Inventor · disambiguated record
Ranganathan Gurunathan
Also filed as: GURUNATHAN RANGANATHAN
47 granted patents·6 pending applications·595 citations·filing 2006–2025
98Inventor score
Files withBLOOM ENERGY CORP36GURUNATHAN RANGANATHAN7BALLANTINE ARNE WATSON2BALLATINE ARNE2AMERICAN POWER CONV CORP1
Top patents by PatentIndex Score
53 records- 0198US9461320B2Structure and method for fuel cell system where multiple fuel cells and power electronics feed loads in parallel allowing for integrated electrochemical impedance spectroscopy (EIS)BLOOM ENERGY CORP·Filed 2015·Granted Oct 4, 2016·43 cites·32 claims
- 0297US7705490B2Integral stack columnsBLOOM ENERGY CORP·Filed 2007·Granted Apr 27, 2010·83 cites·13 claims
- 0395US10873099B1Storage system controllerBLOOM ENERGY CORP·Filed 2017·Granted Dec 22, 2020·34 cites·20 claims
- 0494US10809308B2System and method for impedance testing DC power sourcesBLOOM ENERGY CORP·Filed 2018·Granted Oct 20, 2020·6 cites·20 claims
- 0594US10756546B2Methods of advanced grid and microgrid support functionalities through hybrid fuel cell systemsBLOOM ENERGY CORP·Filed 2018·Granted Aug 25, 2020·14 cites·20 claims
- 0694US8624549B2Fuel cell system for charging an electric vehicleSRIDHAR K R·Filed 2009·Granted Jan 7, 2014·24 cites·15 claims
- 0793US11258294B2Microgrid with power equalizer bus and method of operating sameBLOOM ENERGY CORP·Filed 2020·Granted Feb 22, 2022·3 cites·20 claims
- 0893US8970176B2DC micro-gridBALLATINE ARNE·Filed 2012·Granted Mar 3, 2015·64 cites·56 claims
- 0993US7974106B2Ripple cancellationBLOOM ENERGY CORP·Filed 2007·Granted Jul 5, 2011·51 cites·7 claims
- 1092US10367215B2Fuel cell system with variable auxiliary bus voltage and method of operating thereofBLOOM ENERGY CORP·Filed 2016·Granted Jul 30, 2019·5 cites·18 claims
- 1190US10573910B2Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereofBLOOM ENERGY CORP·Filed 2015·Granted Feb 25, 2020·5 cites·13 claims
- 1290US7705489B2Method and apparatus for providing uninterruptible powerAMERICAN POWER CONV CORP·Filed 2006·Granted Apr 27, 2010·41 cites·24 claims
- 1389US9106098B2Fuel cell system with grid independent operation and DC microgrid capabilitySRINIVASAN RAMESH·Filed 2011·Granted Aug 11, 2015·20 cites·12 claims
- 1488US10322637B2Fuel cell system with grid independent operation and DC microgrid capabilityBLOOM ENERGY CORP·Filed 2015·Granted Jun 18, 2019·6 cites·15 claims
- 1588US9639130B2Parallel control of multiple uninterruptable power modules (“UPMs”)BLOOM ENERGY CORP·Filed 2014·Granted May 2, 2017·12 cites·24 claims
- 1688US8143744B2Method and apparatus for providing uninterruptible powerNIELSEN HENNING ROAR·Filed 2010·Granted Mar 27, 2012·19 cites·19 claims
- 1787US10596919B2Fuel cell system with grid independent operation and DC microgrid capabilityBLOOM ENERGY CORP·Filed 2019·Granted Mar 24, 2020·4 cites·7 claims
- 1887US9961797B2Air cooled fuel cell systemBLOOM ENERGY CORP·Filed 2015·Granted May 1, 2018·3 cites·15 claims
- 1987US9698598B2Electrical vehicle charging using fuel cell systemBALLATINE ARNE·Filed 2012·Granted Jul 4, 2017·26 cites·45 claims
- 2087US9214812B2B-side feed for critical power applicationsBALLANTINE ARNE·Filed 2012·Granted Dec 15, 2015·14 cites·40 claims
- 2186US8872392B1Fuel cell control systemGURUNATHAN RANGANATHAN·Filed 2009·Granted Oct 28, 2014·27 cites·10 claims
- 2285US10989760B2System and method for impedance testing DC power sourcesBLOOM ENERGY CORP·Filed 2018·Granted Apr 27, 2021·5 cites·13 claims
- 2384US10601226B2Advanced uninterruptable power module controller and method of operating sameBLOOM ENERGY CORP·Filed 2018·Granted Mar 24, 2020·5 cites·20 claims
- 2483US9972852B2Fuel cell system with variable frequency drive for support equipmentBLOOM ENERGY CORP·Filed 2013·Granted May 15, 2018·7 cites·28 claims
- 2582US9597966B2Fuel cell system for charging an electric vehicleBLOOM ENERGY CORP·Filed 2013·Granted Mar 21, 2017·2 cites·17 claims
- 2681US11128147B2Power system integrated with dual power electrical loadBLOOM ENERGY CORP·Filed 2018·Granted Sep 21, 2021·4 cites·4 claims
- 2780US11990790B2Microgrid including dual mode microgrid inverter and load management methodBLOOM ENERGY CORP·Filed 2022·Granted May 21, 2024·1 cites·20 claims
- 2880US11335928B2Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereofBLOOM ENERGY CORP·Filed 2020·Granted May 17, 2022·1 cites·14 claims
- 2980US8263276B1Startup power control in a fuel cell systemGURUNATHAN RANGANATHAN·Filed 2009·Granted Sep 11, 2012·23 cites·24 claims
- 3078US9362815B2Input-parallel/output-parallel inverter assembly control device and methodGURUNATHAN RANGANATHAN·Filed 2011·Granted Jun 7, 2016·13 cites·19 claims
- 3178US8232676B2Uninterruptible fuel cell systemGURUNATHAN RANGANATHAN·Filed 2008·Granted Jul 31, 2012·15 cites·5 claims
- 3277US12142802B2Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereofBLOOM ENERGY CORP·Filed 2022·Granted Nov 12, 2024·0 cites·10 claims
- 3376US8289730B2Ripple cancellationGURUNATHAN RANGANATHAN·Filed 2011·Granted Oct 16, 2012·4 cites·9 claims
- 3473US12388295B2Power source communication with downstream device by changing output voltage on a power busBLOOM ENERGY CORP·Filed 2023·Granted Aug 12, 2025·0 cites·4 claims
- 3572US10666058B2Intergrated fuel cell and energy storage systems and method of operating thereofBLOOM ENERGY CORP·Filed 2016·Granted May 26, 2020·2 cites·23 claims
- 3669US11916378B2Power source communication with downstream device by changing output voltage on a power busBLOOM ENERGY CORP·Filed 2019·Granted Feb 27, 2024·1 cites·19 claims
- 3767US8288891B2Integrated fuel cell system with auxiliary power deliveryBALLANTINE ARNE WATSON·Filed 2009·Granted Oct 16, 2012·7 cites·12 claims
- 3865US12413077B2Systems and methods for synchronization of inverters in a microgridBLOOM ENERGY CORP·Filed 2024·Granted Sep 9, 2025·0 cites·16 claims
- 3965US11664521B2Fuel cell system with electrical control of fuel utilization and method of operating thereofBLOOM ENERGY CORP·Filed 2021·Granted May 30, 2023·0 cites·18 claims
- 4060US12300997B2Systems and methods for determining a site control architecture for controlling inverters in microgrid-based siteBLOOM ENERGY CORP·Filed 2024·Granted May 13, 2025·0 cites·10 claims
- 4158US11791730B2Non-isolated single input dual-output bi-directional buck-boost DC-DC converterBLOOM ENERGY CORP·Filed 2022·Granted Oct 17, 2023·0 cites·17 claims
- 4258US9478985B2Integrated fuel cell system with auxiliary power deliveryBALLANTINE ARNE WATSON·Filed 2012·Granted Oct 25, 2016·1 cites·20 claims
- 4357US12051895B2Auxiliary circuit to inject fault current during grid faultsBLOOM ENERGY CORP·Filed 2023·Granted Jul 30, 2024·0 cites·19 claims
- 4457US2025260234A1Fuel cell system architecture for artificial intelligence model trainingBLOOM ENERGY CORP·Filed 2025·Application pending·0 cites
- 4556US12438377B2Fuel cell based microgridBLOOM ENERGY CORP·Filed 2023·Granted Oct 7, 2025·0 cites·7 claims
- 4656US9059434B2Structure and method for SOFC operation with failed cell diode bypassGURUNATHAN RANGANATHAN·Filed 2008·Granted Jun 16, 2015·0 cites·15 claims
- 4754US12413076B2Systems and methods for microgrid-power distribution management when distributed energy resources transition between operating modesBLOOM ENERGY CORP·Filed 2024·Granted Sep 9, 2025·0 cites·18 claims
- 4851US2017203659A1Fuel cell system for charging an electric vehicleBLOOM ENEGY CORP·Filed 2017·Application pending·0 cites
- 4948US2015130277A1Dc micro-gridBLOOM ENERGY CORP·Filed 2015·Application pending·0 cites
- 5048US2016087443A1B-side feed for critical power applicationsBLOOM ENERGY CORP·Filed 2015·Application pending·0 cites
Showing the top 50 of 53 patent records by PatentIndex Score.
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Identity basis: PatentsView inventor disambiguation (2025Q4-odp release). How scoring works →