Patents
Patents for H02J - Circuit arrangements or systems for supplying or distributing electric power; Systems for storing electric energy (419)
07/2004
07/14/2004CN1512645A On-line repairing system and method for intelligent accumulator
07/01/2004WO2004032306A3 Fuel cells including biocompatible membranes and metal anodes
07/01/2004US20040126629 Reversible fuel cell power plant
07/01/2004US20040126628 Start up system and method for a fuel cell power plant using a cathode electrode fuel purge
06/2004
06/24/2004WO2004032304A3 Device and method for providing electric service
06/24/2004US20040121225 Portable electrical energy source
06/24/2004US20040121201 Fuel mixing control for fuel cell power plants operating on multiple fuels
06/17/2004WO2004051818A2 Fuel cell system with improved humidification system
06/10/2004WO2004019465A3 Ex-situ pem fuel cell testing: towards visualizing gas diffusion
06/10/2004WO2004017484A3 Fuel cell voltage feedback control system
06/10/2004US20040110049 Fuel cell system with improved humidification system
06/09/2004CN1153325C Charging and discharging control circuit
05/2004
05/13/2004US20040091759 Methods and apparatus for indicating a fault condition in fuel cells and fuel cell components
05/06/2004WO2004038886A2 Improved energy devices
05/06/2004WO2004038885A2 Solid oxide regenerative fuel cell
04/2004
04/29/2004WO2004001926A3 Nano-architected/assembled solar electricity cell
04/29/2004US20040081859 Solid oxide regenerative fuel cell
04/29/2004US20040080227 Electrical generating system having a magnetic coupling
04/15/2004WO2004032306A2 Fuel cells including biocompatible membranes and metal anodes
04/15/2004WO2004032304A2 Device and method for providing electric service
04/15/2004US20040070894 Device and method for providing electric service
04/08/2004WO2003098768A3 Method and system for verification, calibration and simulation of a fuel cell test station
03/2004
03/23/2004US6710577 Battery charger
03/11/2004WO2003094319A3 Control sequencing and prognostics health monitoring for digital power conversion and load management
03/04/2004WO2004019465A2 Ex-situ pem fuel cell testing: towards visualizing gas diffusion
03/04/2004WO2003092138A3 Improved vanadium bromide battery (metal halide redox flow cell)
03/04/2004CA2496238A1 Ex-situ pem fuel cell testing: towards visualizing gas diffusion
02/2004
02/26/2004WO2004017484A2 Fuel cell voltage feedback control system
02/26/2004US20040035790 Ex-situ PEM fuel cell testing: towards visualizing gas diffusion
02/25/2004EP1025327B1 Drive system for a partition wall system
02/19/2004US20040033395 Fuel cell voltage feedback control system
01/2004
01/21/2004EP1382079A2 Integrated solid oxide fuel cell system
01/08/2004US20040005486 Method and system for verification, calibration and simulation of a fuel cell test station
12/2003
12/31/2003WO2004001926A2 Nano-architected/assembled solar electricity cell
12/24/2003CN1132289C Power equipment for remote controlling device
12/18/2003WO2003071653A3 Cylindrical alkaline cells with increased discharge performance
12/11/2003WO2003094318A3 Device and method to expand operating range of a fuel cell stack
11/2003
11/27/2003WO2003098769A2 Methods and apparatus for indicating a fault condition in fuel cells and fuel cell components
11/27/2003WO2003098768A2 Method and system for verification, calibration and simulation of a fuel cell test station
11/27/2003CA2485880A1 Methods and apparatus for indicating a fault condition in fuel cells and fuel cell components
11/27/2003CA2484934A1 Method and system for verification, calibration and simulation of a fuel cell test station
11/13/2003WO2003094319A2 Control sequencing and prognostics health monitoring for digital power conversion and load management
11/13/2003WO2003094318A2 Device and method to expand operating range of a fuel cell stack
11/06/2003WO2003092138A2 Improved vanadium bromide battery (metal halide redox flow cell)
11/06/2003US20030207165 Device and method to expand operating range of a fuel cell stack
11/06/2003CA2483894A1 Improved vanadium bromide battery (metal halide redox flow cell)
10/2003
10/30/2003US20030204777 Control sequencing and prognostics health monitoring for digital power conversion and load management
10/23/2003US20030198849 Energy devices
10/14/2003US6633026 Wireless power transmission
09/2003
09/24/2003EP0909475B1 Safety device for a portable battery-powered electric apparatus
09/11/2003US20030170539 Avoiding the cost and heath hazards of using of volatile solvents when making electrodes by casting a slurry of a polymeric alcohol; a nonpolymeric alcohol; a water soluble resin, a drying moduerator and water
08/2003
08/28/2003WO2003071653A2 Cylindrical alkaline cells with increased discharge performance
07/2003
07/10/2003WO2003056436A1 Rate adaptation within a tdm switch using bit stuffing
07/09/2003CN1114024C Driving system for partition wall system
06/2003
06/19/2003WO2002087052A3 Integrated solid oxide fuel cell system
05/2003
05/01/2003WO2003036778A1 Wireless power transmission
04/2003
04/24/2003US20030075670 Wireless power transmission
03/2003
03/27/2003WO2003003537A3 Capillarity structures for water and/or fuel management in fuel cells
03/12/2003CN1402371A Core suction structure for treating water in fuel cell and/or fuel
02/2003
02/27/2003WO2002103878A3 Metallic layer component for use in a direct oxidation fuel cell
01/2003
01/09/2003WO2003003537A2 Capillarity structures for water and/or fuel management in fuel cells
01/08/2003EP1274144A2 Wicking structures for water and /or fuel management in fuel cells
01/02/2003US20030003341 Liquid fuel cell reservoir for water and/or fuel management
12/2002
12/29/2002CA2390204A1 Wicking structures for water and/or fuel management
12/27/2002WO2002103878A2 Metallic layer component for use in a direct oxidation fuel cell
12/19/2002US20020192537 Metallic layer component for use in a direct oxidation fuel cell
10/2002
10/31/2002WO2002087052A2 Integrated solid oxide fuel cell system
08/2002
08/28/2002EP1234368A1 Method and system of managing ac power networks based upon flow-gate market transactions
08/21/2002CN1089500C Safety device for portable battery-powered electric apparatus
05/2002
05/08/2002EP1204187A2 Battery charging system
01/2002
01/22/2002CA2142366C Method and apparatus for battery charging
01/16/2002EP1172913A2 Control unit for electrical systems with improved cable arrangement
11/2001
11/06/2001US6313594 Partition wall system having a drive mechanism, and drive system for a partition wall system
10/2001
10/03/2001CN1072406C Method and apparatus for battery charging
06/2001
06/27/2001EP1110296A1 System for controlling consumption of a medium, especially a mains-connected medium
04/2001
04/25/2001CN2427890Y Method and device for inhibiting over discharging of a cell
12/2000
12/26/2000CA2229419C Electronic thermostat control unit and its use in multi-point temperature controller for refrigeration and heating systems
10/2000
10/17/2000CA2065844C Power supply interface
08/2000
08/09/2000EP1025327A1 Drive system for a partition wall system
07/2000
07/05/2000CN1258951A Power equipment for remote controlling device
06/2000
06/20/2000CA2236631C Power supply device
06/07/2000CN1255955A Driving system for partition wall system
04/2000
04/27/2000DE19849020A1 Vorrichtung und Verfahren zum Orten von Störstellen in elektrischen Verteilnetzen Apparatus and method for locating defects in electric distribution systems
04/26/2000EP0996244A2 Device and method for location of interference sources in electrical distribution networks
03/2000
03/29/2000EP0888659A4 Customer side power management system and method
03/09/2000WO2000013291A1 System for controlling consumption of a medium, especially a mains-connected medium
03/02/2000DE19839116A1 System zur Kontrolle des Verbrauchs eines insbesondere leitungsgebundenen Mediums System to monitor the consumption of a particular line-medium
12/1999
12/28/1999US6006996 Electronic thermostat control unit and its use in multipoint temperature controller for refrigeration and heating systems
11/1999
11/11/1999WO1999057402A1 Drive system for a partition wall system
09/1999
09/28/1999US5959436 Charge and discharge control circuit having low voltage detecting means for preventing charging of an abnormal cell
07/1999
07/28/1999CN1224541A Safety device for portable battery-powered electric apparatus
07/07/1999EP0927919A1 Electronic thermostat control unit and its use in multipoint temperature controller for refrigeration and heating systems
06/1999
06/23/1999EP0924588A1 Electronic thermostat control unit and its use in multipoint temperature controller for refrigeration and heating systems
04/1999
04/21/1999EP0909475A1 Safety device for a portable battery-powered electric apparatus
04/21/1999CN2315700Y AC/DC two purpose power supply device capable of changing power plug
03/1999
03/25/1999DE19819279C1 Automatically operated room divider system
01/1999
01/07/1999EP0888659A1 Customer side power management system and method
12/1998
12/09/1998CN1201287A Charging and discharging control circuit
11/1998
11/18/1998CN1199266A Battery charging and lamp lighting control circuit for vehicle
09/1998
09/02/1998EP0862256A2 Battery and charging system for a rechargeable battery
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