| Patents for H02J 9 - Circuit arrangements for emergency or stand-by power supply, e.g. for emergency lighting (16,437) |
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| 08/05/2008 | US7408272 Method and device for supplying electric energy power to an appliance |
| 08/05/2008 | US7408270 Forward converter |
| 08/05/2008 | US7408267 Position measuring device |
| 08/05/2008 | CA2531365C Method and device for supplying at least one load consumer |
| 08/05/2008 | CA2429243C Hybrid power system for continuous reliable power at remote locations |
| 07/31/2008 | WO2008090840A1 Storage power supply system, storage device, and their control |
| 07/31/2008 | WO2008090082A1 Motor vehicle electric system |
| 07/31/2008 | WO2008089811A1 Device for detecting a power supply failure for a logic unit |
| 07/31/2008 | WO2008089715A1 Power supply method for a sensor in a vehicle control system |
| 07/31/2008 | US20080180263 Transfer Switch With Generator Maintenance Indicator |
| 07/31/2008 | US20080179967 Transfer Switch With Generator Runtime Counter |
| 07/31/2008 | US20080179957 Battery operated portable electronic device having dual batteries |
| 07/31/2008 | US20080179956 Uninterruptible Power Supply For Home/Office Networking And Communication System |
| 07/31/2008 | US20080179947 Method and system for facilitating no-break power transfer |
| 07/31/2008 | DE102007056363A1 Kraftfahrzeug-Bordnetz Motor vehicle electrical system |
| 07/30/2008 | EP1665496B1 Charging device for charging a battery and method for the operation thereof |
| 07/30/2008 | CN101232202A Double power supply converting switch device |
| 07/30/2008 | CN101232201A Supercapacitor backup power supply with bi-directional powerflow |
| 07/30/2008 | CN101232200A Substance safe type uninterruptible DC voltage stabilizing power source for explosive gas atmosphere |
| 07/30/2008 | CN100407547C 交流发电系统 AC power system |
| 07/30/2008 | CN100407546C 带有辅助电源的通信电源模块 Communication with auxiliary power supply module |
| 07/30/2008 | CN100407545C 交流电梯的电源装置 AC power supply means elevator |
| 07/29/2008 | US7406623 DC backup power supply system and disk array using same |
| 07/29/2008 | US7405553 Load testing of uninterrupted power supply systems using regenerative loading by supplying percentage of a test power |
| 07/29/2008 | US7405538 Method and system for charging a NiMH or NiCd battery |
| 07/29/2008 | US7405496 Transfer circuit topology for redundant power generator regulators and inverting DC drives |
| 07/26/2008 | CA2619159A1 Automatic transfer switch with monitor mode and method employing the same |
| 07/26/2008 | CA2619151A1 Transfer switch with generator maintenance indicator |
| 07/26/2008 | CA2619132A1 Transfer switch with generator runtime counter |
| 07/24/2008 | US20080174276 Switching power supply |
| 07/24/2008 | DE10256473B4 Tragbare Fernbedieneinheit Portable remote control unit |
| 07/23/2008 | CN101227774A Multifunctional lighting lamps |
| 07/23/2008 | CN101227091A Intelligent power utilization system |
| 07/17/2008 | WO2008086340A2 Uninterruptable power supply |
| 07/17/2008 | WO2008085165A1 System and method for control line isolation |
| 07/17/2008 | WO2008084617A1 Control device and control method for power conversion system having instantaneous voltage drop - service interruption counter-measure functions |
| 07/17/2008 | WO2008027975A3 Portable device with priority based power savings control and method thereof |
| 07/17/2008 | WO2007145951A3 Method and apparatus for providing backup power to a portable electronic device |
| 07/17/2008 | US20080169704 Advanced mobile power system |
| 07/17/2008 | CA2674798A1 Uninterruptable power supply |
| 07/16/2008 | EP1943708A1 Emergency light system and luminaire module |
| 07/16/2008 | CN101222151A Mutually independent and redundant vehicle mounted power distribution network |
| 07/16/2008 | CN101222148A Power supplying method and device of uninterrupted power supply |
| 07/16/2008 | CN101222145A Device and method for on-line switching uninterrupted power supply |
| 07/16/2008 | CN100403624C Power supplying method of distribution type duplex power sources |
| 07/16/2008 | CN100403623C Power supply module for communication equipment |
| 07/15/2008 | US7400066 Apparatus and methods for UPS bypass monitoring and control |
| 07/10/2008 | WO2008033526A3 Method of controlling a load control module as part of a startup sequence |
| 07/10/2008 | US20080164763 Power conditioner and backup for security scanning equipment |
| 07/10/2008 | US20080164761 Uninterruptable power supply |
| 07/10/2008 | US20080164760 Passive safety device for vehicles |
| 07/09/2008 | EP1942027A1 Asymmetric fault detection and protection with AC solid state power controllers (SSPC) |
| 07/09/2008 | EP1941596A1 Power up circuit with low power sleep mode operation |
| 07/09/2008 | CN201084869Y An UPS power supply that is redundant in all operation conditions |
| 07/09/2008 | CN201084576Y Automatic conversion switch electrical appliance |
| 07/09/2008 | CN201084574Y A manual locking device of an automatic switch appliance |
| 07/09/2008 | CN101218739A Maximized battery run-time in a parallel UPS system |
| 07/09/2008 | CN101218128A Control unit for personal protection |
| 07/09/2008 | CN100401226C Power supply system and electronic device comprising the same |
| 07/09/2008 | CN100401078C Earth fault detection circuit for battery, and system without electric interruption |
| 07/03/2008 | WO2008079528A2 Current sensor apparatus and method for uninterruptible power supply |
| 07/03/2008 | WO2008052826A8 Circuit arrangement for controlling the supply of electrical energy loads and method for undervoltage protection of an on-board electrical system |
| 07/03/2008 | US20080157602 Battery connect/disconnect for an uninterruptible power supply |
| 07/03/2008 | US20080157601 Methods and apparatus for providing uninterruptible power |
| 07/03/2008 | US20080157600 Operator interface for an electric power generation system |
| 07/03/2008 | US20080157599 Battery substitute to power and alarm small electronic devices on a display |
| 07/03/2008 | US20080157598 Power converting apparatus |
| 07/03/2008 | US20080157596 Power distribution device of power storage apparatus |
| 07/03/2008 | CA2672465A1 Current sensor apparatus and method for uninterruptible power supply |
| 07/02/2008 | CN201081844Y Proton exchange membrane fuel cell serving as emergency power supply system for transformer substation |
| 07/02/2008 | CN101212149A AC power supply zero point detection circuit |
| 07/02/2008 | CN101212148A Dual path input standby power supply system |
| 07/02/2008 | CN101212147A Power voltage supply circuit |
| 07/02/2008 | CN100399670C Method for controlling a direct voltage source and a voltage supply device |
| 07/01/2008 | US7394172 Systems and methods for switching to a back-up power supply |
| 06/28/2008 | CA2614428A1 Interlock assemblies for circuit breakers |
| 06/26/2008 | WO2008075586A1 Power supply system, power supply control method of power supply system, power supply control program of power supply system, and computer readable recording medium having power supply control program of power supply system recorded thereon |
| 06/26/2008 | US20080150365 Manual power source and storage for operation of electronic devices and method of use |
| 06/26/2008 | US20080150363 Dual-input redundant power supply |
| 06/26/2008 | US20080150362 Switch-mode power supply |
| 06/26/2008 | DE10324516B4 Spritzgußmaschinensystem mit Hybridstromversorgung Injection molding machine system with hybrid power |
| 06/25/2008 | CN101207301A Heat switching method for vehicle load |
| 06/25/2008 | CN101207300A Power management system |
| 06/25/2008 | CN101207299A Automatic switching apparatus for high voltage frequency control double circuit alternating current power |
| 06/25/2008 | CN100397749C Quick switch method of standby electric power judged by current |
| 06/25/2008 | CN100397535C Automatic change-over switch of optimization power supply |
| 06/24/2008 | US7392099 System and method for power management when an operating voltage is between two thresholds |
| 06/24/2008 | US7390224 Electric power system and method of operating the same |
| 06/19/2008 | WO2007135429A3 Electricity supply control device |
| 06/19/2008 | US20080144245 Adaptive power system with improved efficiency and distribution space reduction |
| 06/19/2008 | US20080143187 Current sensor apparatus and method for uninterruptible power supply |
| 06/19/2008 | CA2671981A1 Dc power system |
| 06/18/2008 | CN201075737Y Power down protection circuit |
| 06/18/2008 | CN201075734Y Automatic power supply intelligent converter special for addressable wire television network |
| 06/18/2008 | CN201075733Y Safety power supply unit |
| 06/18/2008 | CN201075732Y System for non-intermittence switching commercial power and power generation |
| 06/18/2008 | CN201075731Y Standby type power supply system |
| 06/18/2008 | CN201075730Y Commutation back-up power supply device |
| 06/18/2008 | CN201075725Y Series connection double bus electricity supply system standby with each other |
| 06/18/2008 | CN101203995A Power system with redundant power supply apparatus |