| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 02/08/2011 | USRE42114 Control system for charging batteries and electronic apparatus using same |
| 02/08/2011 | CA2448277C Self-diagnosis system for an energy storage device |
| 02/03/2011 | US20110025129 Redundant power supply systems and methods |
| 02/02/2011 | EP2280493A2 Security related communication process on power supply lines and an appropriate network |
| 02/02/2011 | EP2279649A2 Arrangement relating power backup and method for power backup |
| 02/02/2011 | EP1872460B1 Uninterruptible power supply with additional feeding |
| 02/02/2011 | CN201733476U LED ceiling lamp with emergency function |
| 02/02/2011 | CN201733133U Double-power-source intelligent management system |
| 02/02/2011 | CN201733132U 智能化配电系统 Intelligent power distribution system |
| 02/02/2011 | CN201733131U Multiple-feed voltage regulator |
| 02/02/2011 | CN201733130U Power supply management module circuit |
| 02/02/2011 | CN201733129U Multifunctional double-load double-power automatic switching control device |
| 02/02/2011 | CN201733128U Device for prolonging power supply life of electrical appliance |
| 02/02/2011 | CN201733125U Power management system for power comprehensive measurement and control instrument |
| 02/02/2011 | CN201733080U Direct-current voltage compensating device for power distribution |
| 02/02/2011 | CN201732441U Cashier device capable of continuous electricity supplying |
| 02/02/2011 | CN101964540A Redundant power supply system |
| 02/02/2011 | CN101964539A Relay protection device of variable pitch blade system of wind driven generator |
| 02/02/2011 | CN101964510A Radioactive source monitoring system |
| 02/02/2011 | CN101963317A Explosion-proof emergency indicator lamp |
| 02/01/2011 | US7880438 UPS battery replacement |
| 02/01/2011 | US7880335 Power backup system for offshore wind generators |
| 02/01/2011 | US7880334 Power supply control for power generator |
| 02/01/2011 | US7880333 Method for weather resistant portable flow metering |
| 02/01/2011 | US7880332 Automatic battery reconnection |
| 01/27/2011 | WO2011011125A1 Direct tie-in of a backup power source to motherboards in a server system |
| 01/27/2011 | WO2011010996A1 Latching relay control circuitry |
| 01/27/2011 | US20110018349 Hvac/r system having power back-up system with a dc-dc converter |
| 01/27/2011 | US20110018348 Hvac/r battery back-up power supply system having a variable frequency drive (vfd) power supply |
| 01/27/2011 | US20110018342 Direct tie-in of a common backup power source to motherboards in a server system |
| 01/27/2011 | CA2768763A1 Direct tie-in of a backup power source to motherboards in a server system |
| 01/26/2011 | EP2278687A1 Electrical apparatus having a solar power supply |
| 01/26/2011 | EP2278686A1 Method and apparatus for providing uninterruptible power |
| 01/26/2011 | EP2277257A1 Non-isolated charger with bi-polar inputs |
| 01/26/2011 | CN201726354U Power station excitation fan control system |
| 01/26/2011 | CN201726198U Power-off protective device of DLP (Digital Light Processing) projector |
| 01/26/2011 | CN201726197U Double-battery power supply circuit |
| 01/26/2011 | CN201726196U Non-time-delay mobile backup power supply |
| 01/26/2011 | CN201726195U Intelligent converting emergency supply |
| 01/26/2011 | CN201726194U Uninterruptable power-output power supply system for storing energy in flywheel |
| 01/26/2011 | CN201726193U Circuit for reducing circuit standby power consumption |
| 01/26/2011 | CN201726192U Uninterruptable power source with remote monitoring function |
| 01/26/2011 | CN201726191U Framed UPS |
| 01/26/2011 | CN201726190U Power management system |
| 01/26/2011 | CN201726189U Power supply for emergency tripping system |
| 01/26/2011 | CN201726158U Triangular extension power supply system |
| 01/26/2011 | CN201726132U Double-power direct-current power supply system |
| 01/26/2011 | CN201726120U DC voltage reduction open circuit protector |
| 01/26/2011 | CN201726115U Voltage fluctuation delay protective device of contactor |
| 01/26/2011 | CN201724126U LED explosion-proof emergency lamp |
| 01/26/2011 | CN101960692A Systems and methods for uninterruptible power supply control |
| 01/26/2011 | CN101958576A Power supply redundancy parallel circuit and working method thereof |
| 01/26/2011 | CN101958575A Automatic control energy saving system for solar energy generation storage and valley power consumption storage |
| 01/26/2011 | CN101958574A Vehicular DC power supply device |
| 01/26/2011 | CN101958573A Arc extinguishing mixed transfer switch and switch transferring method |
| 01/26/2011 | CN101958572A Power circuit and power management method thereof |
| 01/26/2011 | CN101958571A Power state coordination for portable test tools |
| 01/26/2011 | CN101958570A Accident lighting system |
| 01/26/2011 | CN101958547A Hot standby method of distributed data acquisition subareas of power dispatching automation system |
| 01/26/2011 | CN101552488B Standby power system and power supply method thereof |
| 01/26/2011 | CN101293485B Transportation means external connection electrical apparatus electric power management mode and apparatus |
| 01/25/2011 | US7875995 Power system for a device |
| 01/20/2011 | WO2010127366A3 Supplemental, backup or emergency lighting systems and methods |
| 01/20/2011 | US20110012428 Power-saving power supply apparatus with battery module |
| 01/20/2011 | US20110012423 Motor vehicle having plural battery banks |
| 01/19/2011 | EP2276144A2 Telecommunication system incorporating a vanadium redox battery energy storage system |
| 01/19/2011 | EP2276143A2 Power supply apparatus and power supply control method |
| 01/19/2011 | EP2276142A2 Uninterruptible power supply |
| 01/19/2011 | CN201718079U State transition no-flash no-overvoltage illumination electricity-saving device based on logic control |
| 01/19/2011 | CN201717916U Double-battery powered mobile phone |
| 01/19/2011 | CN201717680U Housing estate power supply remote intelligent control device |
| 01/19/2011 | CN201717670U Dual-power-supply switching device with overvoltage protection |
| 01/19/2011 | CN201717669U Emergent dragging device for belt furnace |
| 01/19/2011 | CN201717668U Uninterrupted power device realizing automatic uninterrupted switching |
| 01/19/2011 | CN201717667U Terminal power supply guarantee device |
| 01/19/2011 | CN201717666U Switch power supply with rechargeable battery for spare |
| 01/19/2011 | CN201717665U AC and DC integrated uninterrupted power system |
| 01/19/2011 | CN201717664U Mining bus transfer relay power-on system |
| 01/19/2011 | CN201717663U Multi-energy-source power supply control system |
| 01/19/2011 | CN201716821U Debris flow monitoring pre-warning device |
| 01/19/2011 | CN101951020A Spare power supply switching device for generator |
| 01/19/2011 | CN101951019A Power supply management method of vehicle security system |
| 01/19/2011 | CN101951018A Emergency supply with photovoltaic synchronization feeding function |
| 01/19/2011 | CN101951017A Power frequency automatic switching device for preventing unplanned shutdown of motor |
| 01/19/2011 | CN101951016A Wide area information-based automatic standby power supply switching adaptive modeling and controlling method |
| 01/19/2011 | CN101951015A Hybrid power supply apparatus for data center |
| 01/19/2011 | CN101951014A Wind-light-diesel commercial power integral power supply system |
| 01/19/2011 | CN101951013A Emergent power source with compensation function |
| 01/19/2011 | CN101951012A Power supply device and communication equipment |
| 01/19/2011 | CN101951011A Solar photovoltaic and commercial power combined power supply system and control method thereof |
| 01/19/2011 | CN101950978A Energy-saving emergency type elevator feedback power system |
| 01/19/2011 | CN101950974A Electric energy quality regulating system based on energy storing of super capacitor |
| 01/19/2011 | CN101950947A Power management method of security system for vehicles |
| 01/19/2011 | CN101950659A Active photoelectric current transformer using pneumatic and inductive hybrid energy supply |
| 01/19/2011 | CN101949232A Portable intelligent safety fence |
| 01/19/2011 | CN101537885B Aerobridge and control circuit thereof |
| 01/19/2011 | CN101060256B Nested redundant uninterruptible power supply apparatus and methods |
| 01/18/2011 | US7872374 Battery communication system |
| 01/18/2011 | US7872373 Device for supplying uninterruptible power |
| 01/13/2011 | US20110006608 Metering pump power source |