| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 08/13/2009 | WO2009099870A2 A power supply system for electrical/electronic equipment |
| 08/13/2009 | WO2009097864A1 Power control |
| 08/13/2009 | WO2009057979A3 Static transfer switch device, power supply apparatus using the switch device and switching method thereof |
| 08/13/2009 | WO2009012451A3 Power supply for a data center |
| 08/13/2009 | US20090200868 Uninterruptible power supply with rectifier fast walk in |
| 08/13/2009 | US20090200809 Reconfigurable power system using multiple phase-set electric machines |
| 08/13/2009 | CA2715358A1 Backup power system and method |
| 08/13/2009 | CA2714048A1 Automatic battery reconnection |
| 08/12/2009 | CN201290025Y Whole sealed type emergency power supply |
| 08/12/2009 | CN201289810Y Box type intelligent double power transfer switch |
| 08/12/2009 | CN101505224A Communications device |
| 08/12/2009 | CN101504894A Intelligent high voltage duplicate power source converting switch |
| 08/11/2009 | US7573232 Battery exchange apparatus and method for uninterruptible power supply |
| 08/11/2009 | US7573156 Apparatus for and method of connecting a power source to a device |
| 08/11/2009 | US7573144 Reconfigurable power system using multiple phase-set electric machines |
| 08/06/2009 | WO2009095528A1 Transport system |
| 08/06/2009 | US20090195161 Equipment and methods for emergency lighting that provides brownout detection and protection |
| 08/06/2009 | US20090195075 Automatic battery reconnection |
| 08/06/2009 | DE102008005821A1 Brandmelder Fire alarm |
| 08/06/2009 | DE102008004593A1 Schiff mit Elektroantrieben Ship with electric drive |
| 08/05/2009 | EP2086087A2 Electronic Load Control Unit (ELCU) used as bus tie breaker in electrical power distribution |
| 08/05/2009 | EP2085268A2 Electronic system for battery |
| 08/05/2009 | EP2084804A1 Uninterruptible power supply watchdog system and auto recovery method using the system |
| 08/05/2009 | EP2084802A1 Uninterruptible power supply for a medical appliance |
| 08/05/2009 | CN201286188Y Road illumination monitoring system based on ZigBee technology |
| 08/05/2009 | CN201286030Y 10kV complicated electricity supply and distribution control system based on PLC |
| 08/05/2009 | CN201286029Y Voltage fault backup self activating apparatus |
| 08/05/2009 | CN201285995Y Premounting transformer plant with double electric power |
| 08/05/2009 | CN201285949Y Novel multifunctional socket |
| 08/05/2009 | CN101500859A Electrical system of a vehicle, provided for the towing away of the same |
| 08/05/2009 | CN101499681A Microcomputer controlled standby electric power automatic throwing method with inner bridge wire enlarged |
| 08/05/2009 | CN101499680A Environment friendly intelligent non-negative pressure water supply apparatus |
| 08/05/2009 | CN101499679A Connection method for electricity of ring network station |
| 08/05/2009 | CN101499668A Electric power supply module without interruption |
| 08/05/2009 | CA2651725A1 Low-power illumination system and associated barrier operator |
| 08/04/2009 | US7569949 Transfer switch with generator maintenance indicator |
| 07/30/2009 | US20090189451 Estimated remaining life of a battery included in an uninterruptible power supply |
| 07/30/2009 | US20090189450 Dual-channel load switch circuits, devices including a dual-channel load switch circuit and methods of switching load channels |
| 07/30/2009 | US20090188227 Regulated Output Voltage Generator-Set Applied To Mobile Equipment in the Turf Industry |
| 07/29/2009 | EP2083498A1 An AC power generating system |
| 07/29/2009 | EP2083497A2 Electronic control system and power supply unit of the system |
| 07/29/2009 | EP2082477A2 Voltage clamp to allow low-temperature recharging of nickel-cadmium batteries in emergency lighting fixtures and method of using |
| 07/29/2009 | EP2082469A2 Power supply assembly |
| 07/29/2009 | CN201282359Y Phase lack detection device for double power supply automatic transfer equipment |
| 07/29/2009 | CN201282358Y Standby power supply self-casting device based on optical fibre communication |
| 07/29/2009 | CN201282357Y Digital standby power supply self-casting device |
| 07/29/2009 | CN100520646C Portable photographing apparatus and power switching control method |
| 07/28/2009 | US7566990 Power systems and methods using an induction generator in cooperation with an uninterruptible power supply |
| 07/28/2009 | US7566989 Back-up power system for a cooling system |
| 07/28/2009 | US7566988 Method and apparatus for monitoring UPS power sources |
| 07/23/2009 | WO2009090450A1 Power adapter |
| 07/23/2009 | US20090184583 Uninterruptible power supply module |
| 07/23/2009 | US20090184582 Dual-power supplying system with circuit loop switching control circuit |
| 07/22/2009 | EP2080673A1 Vehicle power supply device |
| 07/22/2009 | CN201278470Y Multifunctional uninterrupted electric power switch cabinet |
| 07/22/2009 | CN201278469Y Mobile phone |
| 07/22/2009 | CN101488673A DC electric power system used for converter accident tilting, and oxygen sublance accident lifting |
| 07/16/2009 | US20090179498 Transfer switch controller providing an alternating current voltage to a generator and transfer switch including the same |
| 07/16/2009 | US20090179497 Uninterrupted Power Supply with IR Control Link |
| 07/16/2009 | US20090179496 Power saving uninterruptible power supply |
| 07/16/2009 | US20090179495 Solar power supplying device |
| 07/16/2009 | US20090179494 On-line uninterruptible power system |
| 07/16/2009 | US20090179493 Power selection system for heater |
| 07/15/2009 | EP2079149A2 Battery management system |
| 07/15/2009 | CN201274417Y Locking remote self-start apparatus for electric grid |
| 07/15/2009 | CN101483353A Buck type auxiliary electric power controlled by PFM |
| 07/15/2009 | CN100514806C power converter and operating method thereof |
| 07/14/2009 | US7560907 Charging system for field devices |
| 07/14/2009 | US7560831 Data center uninterruptible power distribution architecture |
| 07/14/2009 | CA2649433A1 Transfer switch controller providing an alternating current voltage to a generator and transfer switch including the same |
| 07/09/2009 | WO2009085546A1 Systems for and methods of controlling operation of a ups |
| 07/09/2009 | WO2009085288A2 Elevator backup system |
| 07/09/2009 | WO2009083335A1 Control unit and method for controlling personal protection means for a vehicle |
| 07/09/2009 | US20090174270 Device for safeguarding an uninterruptible power supply of a magnet bearing in the event of failure of an electrical supply voltage |
| 07/09/2009 | US20090174260 UPS System having a Function of Parallel Operation |
| 07/09/2009 | US20090174258 Built-in uninterruptible power supply system and electronic device using the same |
| 07/09/2009 | US20090173582 Elevator Backup System |
| 07/09/2009 | DE10222869B4 Bordsteuersystem und -verfahren für Fahrzeuge Board control system and method for vehicles |
| 07/09/2009 | CA2709995A1 Systems for and methods of controlling operation of a ups |
| 07/08/2009 | EP1456928A4 Multiple flywheel energy storage system |
| 07/08/2009 | CN201270430Y Dual electric power switching apparatus |
| 07/08/2009 | CN101478177A Safe automatic control method suitable for transforming plant main transformer tripping |
| 07/08/2009 | CN101478176A Backup electric power system |
| 07/08/2009 | CN101478175A Power supplier for cable television network |
| 07/08/2009 | CN101478174A State detection system and method for DC electric power |
| 07/07/2009 | US7557467 Portable photographing apparatus and power switching control method |
| 07/07/2009 | US7557461 Power supply device and power supply method |
| 07/02/2009 | WO2009082326A1 Method, system and device for controlling wind power plants |
| 07/02/2009 | US20090167091 Selector circuit for power management in multiple battery systems |
| 07/02/2009 | US20090167090 Energy supply system and method related thereto |
| 07/02/2009 | US20090167089 Apparatus, system, and method for a high efficiency redundant power system |
| 07/02/2009 | DE202008016384U1 Mobiler Netzstromversorger in kompaktem Tierdesign Mobile power utilities in a compact design animal |
| 07/02/2009 | DE102007062999B3 Conducted control method for emergency lighting system during building installation, involves providing null value detector in receiver so that valid switching information is produced to detect phase sections as faulty information |
| 07/02/2009 | DE102007062957A1 Power supply line and lighting fixture e.g. lamp, communication providing method, for e.g. building automation, involves executing control sequence based on potential sequence, while maintaining protective conductor at constant potential |
| 07/01/2009 | EP1920520A4 Batteryless starter for ups |
| 07/01/2009 | CN201266851Y Emergency generator control box for ship |
| 07/01/2009 | CN201266850Y Power supply circuit of lamp |
| 06/30/2009 | US7554828 Power converter with retractable cable system |
| 06/30/2009 | US7554220 Stable power supplying apparatus |
| 06/30/2009 | CA2647124A1 Boost voltage for fire system notification appliance circuits |