Inventor
GURUNATHAN RANGANATHAN
IN47 patents
⚠️ This page may combine multiple inventors who share the name “GURUNATHAN RANGANATHAN”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
BLOOM ENERGY CORP
32 patentsUS7705490B2Apr 27, 2010
Integral stack columns
BLOOM ENERGY CORP83 citations98
US7974106B2Jul 5, 2011
Ripple cancellation
BLOOM ENERGY CORP51 citations95
US9461320B2Oct 4, 2016
Structure 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 CORP43 citations93
US10873099B1Dec 22, 2020
Storage system controller
BLOOM ENERGY CORP34 citations91
US10756546B2Aug 25, 2020
Methods of advanced grid and microgrid support functionalities through hybrid fuel cell systems
BLOOM ENERGY CORP14 citations85
US10322637B2Jun 18, 2019
Fuel cell system with grid independent operation and DC microgrid capability
BLOOM ENERGY CORP6 citations83
US9972852B2May 15, 2018
Fuel cell system with variable frequency drive for support equipment
BLOOM ENERGY CORP7 citations83
US9639130B2May 2, 2017
Parallel control of multiple uninterruptable power modules (“UPMs”)
BLOOM ENERGY CORP12 citations82
US10573910B2Feb 25, 2020
Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof
BLOOM ENERGY CORP5 citations80
US11258294B2Feb 22, 2022
Microgrid with power equalizer bus and method of operating same
BLOOM ENERGY CORP3 citations73
US10666058B2May 26, 2020
Intergrated fuel cell and energy storage systems and method of operating thereof
BLOOM ENERGY CORP2 citations73
US11128147B2Sep 21, 2021
Power system integrated with dual power electrical load
BLOOM ENERGY CORP4 citations72
US10989760B2Apr 27, 2021
System and method for impedance testing DC power sources
BLOOM ENERGY CORP5 citations72
US10809308B2Oct 20, 2020
System and method for impedance testing DC power sources
BLOOM ENERGY CORP6 citations72
US10596919B2Mar 24, 2020
Fuel cell system with grid independent operation and DC microgrid capability
BLOOM ENERGY CORP4 citations72
US10367215B2Jul 30, 2019
Fuel cell system with variable auxiliary bus voltage and method of operating thereof
BLOOM ENERGY CORP5 citations72
US9597966B2Mar 21, 2017
Fuel cell system for charging an electric vehicle
BLOOM ENERGY CORP2 citations72
US10601226B2Mar 24, 2020
Advanced uninterruptable power module controller and method of operating same
BLOOM ENERGY CORP5 citations70
US9961797B2May 1, 2018
Air cooled fuel cell system
BLOOM ENERGY CORP3 citations70
US11335928B2May 17, 2022
Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof
BLOOM ENERGY CORP1 citations69
US12388295B2Aug 12, 2025
Power source communication with downstream device by changing output voltage on a power bus
BLOOM ENERGY CORP0 citations60
US11916378B2Feb 27, 2024
Power source communication with downstream device by changing output voltage on a power bus
BLOOM ENERGY CORP1 citations60
US11664521B2May 30, 2023
Fuel cell system with electrical control of fuel utilization and method of operating thereof
BLOOM ENERGY CORP0 citations60
US12142802B2Nov 12, 2024
Electrochemical impedance spectroscopy (“EIS”) analyzer and method of using thereof
BLOOM ENERGY CORP0 citations59
US11990790B2May 21, 2024
Microgrid including dual mode microgrid inverter and load management method
BLOOM ENERGY CORP1 citations56
US11791730B2Oct 17, 2023
Non-isolated single input dual-output bi-directional buck-boost DC-DC converter
BLOOM ENERGY CORP0 citations53
US12300997B2May 13, 2025
Systems and methods for determining a site control architecture for controlling inverters in microgrid-based site
BLOOM ENERGY CORP0 citations47
US12438377B2Oct 7, 2025
Fuel cell based microgrid
BLOOM ENERGY CORP0 citations46
US12051895B2Jul 30, 2024
Auxiliary circuit to inject fault current during grid faults
BLOOM ENERGY CORP0 citations42
US12413077B2Sep 9, 2025
Systems and methods for synchronization of inverters in a microgrid
BLOOM ENERGY CORP0 citations40
US12413076B2Sep 9, 2025
Systems and methods for microgrid-power distribution management when distributed energy resources transition between operating modes
BLOOM ENERGY CORP0 citations40
US12027856B2Jul 2, 2024
Control systems and methods for minimizing power loss associated with fuel cell systems
BLOOM ENERGY CORP0 citations35
GURUNATHAN RANGANATHAN
6 patentsUS8872392B1Oct 28, 2014
Fuel cell control system
GURUNATHAN RANGANATHAN27 citations91
US8263276B1Sep 11, 2012
Startup power control in a fuel cell system
GURUNATHAN RANGANATHAN23 citations88
US8232676B2Jul 31, 2012
Uninterruptible fuel cell system
GURUNATHAN RANGANATHAN15 citations83
US9362815B2Jun 7, 2016
Input-parallel/output-parallel inverter assembly control device and method
GURUNATHAN RANGANATHAN13 citations74
US8289730B2Oct 16, 2012
Ripple cancellation
GURUNATHAN RANGANATHAN4 citations60
US9059434B2Jun 16, 2015
Structure and method for SOFC operation with failed cell diode bypass
GURUNATHAN RANGANATHAN0 citations52