loadpatents
Patent applications and USPTO patent grants for GURUNATHAN; Ranganathan.The latest application filed is for "microgrid including dual mode microgrid inverter and load management method".
Patent | Date |
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Microgrid Including Dual Mode Microgrid Inverter And Load Management Method App 20220285977 - PMSVVSV; Prasad ;   et al. | 2022-09-08 |
Electrochemical Impedance Spectroscopy ("eis") Analyzer And Method Of Using Thereof App 20220246962 - SUDHAN S; Karthick ;   et al. | 2022-08-04 |
Electrochemical impedance spectroscopy ("EIS") analyzer and method of using thereof Grant 11,335,928 - Sudhan S , et al. May 17, 2 | 2022-05-17 |
Microgrid with power equalizer bus and method of operating same Grant 11,258,294 - Pmsvvsv , et al. February 22, 2 | 2022-02-22 |
Power system integrated with dual power electrical load Grant 11,128,147 - Ballantine , et al. September 21, 2 | 2021-09-21 |
Fuel Cell System With Electrical Control Of Fuel Utilization And Method Of Operating Thereof App 20210257645 - ARMSTRONG; Tad ;   et al. | 2021-08-19 |
Microgrid With Power Equalizer Bus And Method Of Operating Same App 20210152016 - PMSVVSV; Prasad ;   et al. | 2021-05-20 |
System and method for impedance testing DC power sources Grant 10,989,760 - Ballantine , et al. April 27, 2 | 2021-04-27 |
Storage system controller Grant 10,873,099 - Gurunathan , et al. December 22, 2 | 2020-12-22 |
System and method for impedance testing DC power sources Grant 10,809,308 - Ballantine , et al. October 20, 2 | 2020-10-20 |
Methods of advanced grid and microgrid support functionalities through hybrid fuel cell systems Grant 10,756,546 - Pmsvvsv , et al. A | 2020-08-25 |
System And Method For Impedance Testing Dc Power Sources App 20200209318 - BALLANTINE; Arne ;   et al. | 2020-07-02 |
System And Method For Impedance Testing Dc Power Sources App 20200209317 - BALLANTINE; Arne ;   et al. | 2020-07-02 |
Electrochemical Impedance Spectroscopy ("eis") Analyzer And Method Of Using Thereof App 20200194813 - SUDHAN S; Karthick ;   et al. | 2020-06-18 |
Intergrated fuel cell and energy storage systems and method of operating thereof Grant 10,666,058 - Ballantine , et al. | 2020-05-26 |
Fuel cell system with grid independent operation and DC microgrid capability Grant 10,596,919 - Srinivasan , et al. | 2020-03-24 |
Advanced uninterruptable power module controller and method of operating same Grant 10,601,226 - Gurunathan , et al. | 2020-03-24 |
Power Source Communication With Downstream Device By Changing Output Voltage On A Power Bus App 20200076200 - BALLANTINE; Arne ;   et al. | 2020-03-05 |
Electrochemical impedance spectroscopy ("EIS") analyzer and method of using thereof Grant 10,573,910 - Sudhan S , et al. Feb | 2020-02-25 |
Advanced Uninterruptable Power Module Controller And Method Of Operating Same App 20190312432 - GURUNATHAN; Ranganathan ;   et al. | 2019-10-10 |
Power System Integrated With Dual Power Electrical Load App 20190312441 - BALLANTINE; Arne ;   et al. | 2019-10-10 |
Fuel Cell System With Grid Independent Operation And Dc Microgrid Capability App 20190263277 - Srinivasan; Ramesh ;   et al. | 2019-08-29 |
Fuel cell system with variable auxiliary bus voltage and method of operating thereof Grant 10,367,215 - Pmsvvsv , et al. July 30, 2 | 2019-07-30 |
Fuel cell system with grid independent operation and DC microgrid capability Grant 10,322,637 - Srinivasan , et al. | 2019-06-18 |
Methods Of Advanced Grid And Microgrid Support Functionalities Through Hybrid Fuel Cell Systems App 20190052094 - PMSVVSV; Prasad ;   et al. | 2019-02-14 |
Fuel cell system with variable frequency drive for support equipment Grant 9,972,852 - Ballantine , et al. May 15, 2 | 2018-05-15 |
Air cooled fuel cell system Grant 9,961,797 - Gurunathan , et al. May 1, 2 | 2018-05-01 |
Fuel Cell System With Variable Auxiliary Bus Voltage And Method Of Operating Thereof App 20170338502 - PMSVVSV; Prasad ;   et al. | 2017-11-23 |
Fuel Cell System For Charging An Electric Vehicle App 20170203659 - Sridhar; K.R. ;   et al. | 2017-07-20 |
Electrical vehicle charging using fuel cell system Grant 9,698,598 - Ballatine , et al. July 4, 2 | 2017-07-04 |
Parallel control of multiple uninterruptable power modules ("UPMs") Grant 9,639,130 - Gurunathan , et al. May 2, 2 | 2017-05-02 |
Fuel cell system for charging an electric vehicle Grant 9,597,966 - Sridhar , et al. March 21, 2 | 2017-03-21 |
Electrochemical Impedance Spectroscopy ("eis") Analyzer And Method Of Using Thereof App 20170077535 - SUDHAN S; Karthick ;   et al. | 2017-03-16 |
Intergrated Fuel Cell And Energy Storage Systems And Method Of Operating Thereof App 20170005480 - BALLANTINE; Arne ;   et al. | 2017-01-05 |
Integrated fuel cell system with auxiliary power delivery Grant 9,478,985 - Ballantine , et al. October 25, 2 | 2016-10-25 |
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) Grant 9,461,320 - Ballantine , et al. October 4, 2 | 2016-10-04 |
Input-parallel/output-parallel inverter assembly control device and method Grant 9,362,815 - Gurunathan , et al. June 7, 2 | 2016-06-07 |
B-side Feed For Critical Power Applications App 20160087443 - Ballantine; Arne ;   et al. | 2016-03-24 |
Air Cooled Fuel Cell System App 20160079613 - GURUNATHAN; Ranganathan ;   et al. | 2016-03-17 |
B-side feed for critical power applications Grant 9,214,812 - Ballantine , et al. December 15, 2 | 2015-12-15 |
Fuel Cell System with Grid Independent Operation and DC Microgrid Capability App 20150298566 - Srinivasan; Ramesh ;   et al. | 2015-10-22 |
Parallel Control of Multiple Uninterruptable Power Modules ("UPMs") App 20150288220 - Gurunathan; Ranganathan ;   et al. | 2015-10-08 |
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) App 20150228990 - BALLANTINE; Arne ;   et al. | 2015-08-13 |
Fuel cell system with grid independent operation and DC microgrid capability Grant 9,106,098 - Srinivasan , et al. August 11, 2 | 2015-08-11 |
Structure and method for SOFC operation with failed cell diode bypass Grant 9,059,434 - Gurunathan , et al. June 16, 2 | 2015-06-16 |
Dc Micro-grid App 20150130277 - BALLANTINE; Arne ;   et al. | 2015-05-14 |
DC micro-grid Grant 8,970,176 - Ballatine , et al. March 3, 2 | 2015-03-03 |
Fuel cell control system Grant 8,872,392 - Gurunathan , et al. October 28, 2 | 2014-10-28 |
Fuel Cell System for Charging an Electric Vehicle App 20140049206 - Sridhar; K.R. ;   et al. | 2014-02-20 |
Fuel Cell System with Variable Frequency Drive for Support Equipment App 20140009003 - Ballantine; Arne ;   et al. | 2014-01-09 |
Fuel cell system for charging an electric vehicle Grant 8,624,549 - Sridhar , et al. January 7, 2 | 2014-01-07 |
Integrated Fuel Cell System with Auxiliary Power Delivery App 20130009481 - Ballantine; Arne Watson ;   et al. | 2013-01-10 |
Fuel Cell Power Generation System with Isolated and Non-Isolated Buses App 20120326516 - Gurunathan; Ranganathan ;   et al. | 2012-12-27 |
Electrical Vehicle Charging Using Fuel Cell System App 20120326668 - Ballatine; Arne ;   et al. | 2012-12-27 |
B-Side Feed for Critical Power Applications App 20120326504 - Ballantine; Arne ;   et al. | 2012-12-27 |
DC Micro-Grid App 20120267952 - Ballatine; Arne ;   et al. | 2012-10-25 |
Ripple cancellation Grant 8,289,730 - Gurunathan , et al. October 16, 2 | 2012-10-16 |
Integrated fuel cell system with auxiliary power delivery Grant 8,288,891 - Ballantine , et al. October 16, 2 | 2012-10-16 |
Startup power control in a fuel cell system Grant 8,263,276 - Gurunathan , et al. September 11, 2 | 2012-09-11 |
Uninterruptible fuel cell system Grant 8,232,676 - Gurunathan , et al. July 31, 2 | 2012-07-31 |
Fuel Cell System with Grid Independent Operation and DC Microgrid Capability App 20120146587 - Srinivasan; Ramesh ;   et al. | 2012-06-14 |
Fuel Cell Control Device and Method App 20120098336 - Gurunathan; Ranganathan ;   et al. | 2012-04-26 |
Method and apparatus for providing uninterruptible power Grant 8,143,744 - Nielsen , et al. March 27, 2 | 2012-03-27 |
Ripple Cancellation App 20110278935 - Gurunathan; Ranganathan ;   et al. | 2011-11-17 |
Ripple cancellation Grant 7,974,106 - Gurunathan , et al. July 5, 2 | 2011-07-05 |
Integral Stack Columns App 20110062795 - SRINIVASAN; Ramesh ;   et al. | 2011-03-17 |
Method And Apparatus For Providing Uninterruptible Power App 20100295374 - Nielsen; Henning Roar ;   et al. | 2010-11-25 |
Integral stack columns Grant 7,705,490 - Srinivasan , et al. April 27, 2 | 2010-04-27 |
Method and apparatus for providing uninterruptible power Grant 7,705,489 - Nielsen , et al. April 27, 2 | 2010-04-27 |
Structure and method for SOFC operation with failed cell diode bypass App 20100035092 - Gurunathan; Ranganathan ;   et al. | 2010-02-11 |
Integrated fuel cell system with auxiliary power delivery App 20100013317 - Ballantine; Arne Watson ;   et al. | 2010-01-21 |
Uninterruptible fuel cell system App 20090273240 - Gurunathan; Ranganathan ;   et al. | 2009-11-05 |
Fuel cell system for charging an electric vehicle App 20090246596 - Sridhar; K.R. ;   et al. | 2009-10-01 |
Integral stack columns App 20080278968 - Srinivasan; Ramesh ;   et al. | 2008-11-13 |
Ripple cancellation App 20080280175 - Gurunathan; Ranganathan ;   et al. | 2008-11-13 |
Method and apparatus for providing uninterruptible power App 20080061628 - Nielsen; Henning Roar ;   et al. | 2008-03-13 |
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