| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/25/2012 | CN102611087A ESD protection circuit |
| 07/25/2012 | CN102610352A Non-inductive coil for high-temperature superconducting resistance-type current restrictor |
| 07/25/2012 | CN101834436B Overvoltage protection circuit for integrated circuit |
| 07/25/2012 | CN101325333B Surge protector with a mounting base |
| 07/25/2012 | CN101316039B Circuit apparatus |
| 07/24/2012 | US8228656 Protective device for a radio frequency transmission line |
| 07/24/2012 | US8228655 Fault current limiter |
| 07/24/2012 | US8228653 Circuit breakers with automatic breaker rating |
| 07/24/2012 | US8228651 ESD protection circuit |
| 07/24/2012 | US8228650 Input-output interface circuit, integrated circuit device and electronic apparatus |
| 07/24/2012 | US8228649 Impedance-based current sensor |
| 07/24/2012 | CA2636686C Transformer operation control apparatus and method for suppressing magnetizing inrush current |
| 07/19/2012 | WO2012095725A1 Trip unit providing remote electrical signal to remotely indicate that an arc reduction maintenance mode is remotely enabled, and electrical switching apparatus including the same |
| 07/19/2012 | WO2012064729A3 SURGE PROTECTION DEVICE USING METAL OXIDE VARISTORS (MOVs) AS THE ACTIVE ENERGY CONTROL MULTIPLE GAP DISCHARGING CHAIN |
| 07/19/2012 | US20120182654 Esd protection circuit |
| 07/19/2012 | US20120182653 Semiconductor module and system including the same |
| 07/19/2012 | US20120182652 Esd protection structure |
| 07/19/2012 | US20120182651 Shared Electrostatic Discharge Protection For Integrated Circuits, Integrated Circuit Assemblies And Methods For Protecting Input/Output Circuits |
| 07/19/2012 | US20120182650 Enhanced ESD Protection of Integrated Circuit in 3DIC package |
| 07/19/2012 | US20120182012 Apparatus and method for protecting a magnetic resonance imaging magnet during quench |
| 07/19/2012 | DE102011008540A1 Verfahren zur Begrenzung einer Gleichrichterspannung und Schaltung hierfür Techniques to control a rectifier circuit voltage and this |
| 07/19/2012 | DE102011008508A1 Elektrisches Unterputz-Installationsgerät zur Helligkeitssteuerung einer Beleuchtungsanlage Electric flush-mounted installation device for controlling the brightness of a lighting system |
| 07/19/2012 | DE102007053089B4 Elektrisches und elektronisches System Electrical and electronic system |
| 07/19/2012 | CA2823281A1 Trip unit providing remote electrical signal to remotely indicate that an arc reduction maintenance mode is remotely enabled, and electrical switching apparatus including the same |
| 07/18/2012 | EP2477295A2 Method for limiting a rectifier voltage and circuitry for the same |
| 07/18/2012 | CN202340334U 一种led照明驱动电路 One kind of led lighting drive circuit |
| 07/18/2012 | CN102596312A Overvoltage protection for defibrillator |
| 07/18/2012 | CN102595719A Circuit for enhancing anti-lightning surge impact of LED street lamp |
| 07/18/2012 | CN102595718A Circuit for enhancing use reliability of discrete LED light source |
| 07/18/2012 | CN102595694A Led lighting device and illumination apparatus including the same |
| 07/18/2012 | CN102594112A Anti-lightning surge circuit of switching power supply and switching power supply using same |
| 07/18/2012 | CN102593817A Microcomputer arc-extinguishing and over-voltage protection integrated device |
| 07/18/2012 | CN102593816A Surge protection device of gigabit active Ethernet |
| 07/18/2012 | CN102593815A Lightning protection circuit at input terminal of inverter welding equipment |
| 07/18/2012 | CN102593814A Lightning stroke protecting device for air conditioner |
| 07/18/2012 | CN102593813A Intelligent comprehensive resonance elimination device |
| 07/18/2012 | CN102593812A Constant-power discharge circuit of capacitor |
| 07/18/2012 | CN102593811A Lightning-proof protection device of crawler crane and crawler crane with lightning-proof protection device |
| 07/18/2012 | CN102593810A 浪涌保护电路 Surge protection circuit |
| 07/18/2012 | CN102593809A Solid-state circuit breaker with over-voltage suppressing function |
| 07/18/2012 | CN102593808A System for grounding neutral point by using combination of reactor and resistors |
| 07/18/2012 | CN102593807A Current limiting circuit for generating set charging module |
| 07/18/2012 | CN102593806A Dynamic regulator |
| 07/18/2012 | CN102593805A ESD protection against charge coupling |
| 07/18/2012 | CN102593804A ESD protection devices and methods for forming ESD protection devices |
| 07/18/2012 | CN102593803A Systems, methods, and apparatus for preventing electromigration between plasma gun electrodes |
| 07/18/2012 | CN102593176A Protection element and semiconductor device having the protection element |
| 07/18/2012 | CN102592774A Spacing layer of high-temperature super-conductivity non-inductive coil |
| 07/18/2012 | CN102591439A Power management with over voltage protection |
| 07/18/2012 | CN101707365B Short-circuit fault current limiter |
| 07/18/2012 | CN101689750B Spark gaps device, wireless device and ESD protection method |
| 07/18/2012 | CN101640412B Soft-starting circuit of power supply |
| 07/18/2012 | CN101635223B 10KV vacuum circuit breaker |
| 07/18/2012 | CN101515717B Motor drive circuit with instant high-voltage protection |
| 07/17/2012 | US8223793 Method for transmitting line signals via a line device, and transmission apparatus |
| 07/17/2012 | US8223467 Transient blocking unit using normally-off device to detect current trip threshold |
| 07/17/2012 | US8223465 Surge current detection in a switch by detecting change in a duty cycle |
| 07/17/2012 | CA2587170C Travel outlet device |
| 07/17/2012 | CA2568003C Surge protection device |
| 07/12/2012 | WO2012094508A1 Category 6a surge protector |
| 07/12/2012 | WO2012093177A2 Semiconductor device arrangement with a first semiconductor device and with a plurality of second semi conductor devices |
| 07/12/2012 | WO2012093042A2 Coil, coil assembly and superconducting fault current limiter |
| 07/12/2012 | WO2012092698A1 Device and method for limiting three-phase current |
| 07/12/2012 | US20120176715 Resistance determining system for over voltage protection circuit |
| 07/12/2012 | US20120176710 Semiconductor ESD Circuit and Method |
| 07/12/2012 | US20120176709 Esd protection devices and methods for forming esd protection devices |
| 07/12/2012 | US20120176708 Esd protection devices and methods for forming esd protection devices |
| 07/12/2012 | US20120176707 ESD clamp with auto biasing under high injection conditions |
| 07/12/2012 | US20120176706 Reliable signaling of fault conditions in battery systems with series-connected cells |
| 07/12/2012 | DE102011011508B4 System zur Zustandskontrolle und Datenprotokollierung von austauschbaren, insbesondere gesteckten Überspannungsgeräten System for condition monitoring and data logging of interchangeable, particularly ambitious overvoltage devices |
| 07/12/2012 | CA2823692A1 Category 6a surge protector |
| 07/11/2012 | EP2474077A1 Method and apparatus for protecting power systems from extraordinary electromagnetic pulses |
| 07/11/2012 | EP2474011A1 Fault current limiters (fcl) with the cores saturated by non-superconducting coils |
| 07/11/2012 | EP2474010A2 Improved fault current limiter with saturated core |
| 07/11/2012 | CN202335029U Led防浪涌电流吸收保护电路 Led surge protection circuit current sink |
| 07/11/2012 | CN202334985U 带温控保护电路的led灯 Led lights with temperature protection circuit |
| 07/11/2012 | CN202334361U 一种耐雷击浪涌电源适配器 One kind of anti-lightning surge power adapter |
| 07/11/2012 | CN202334360U 一种开关电源适配器电路 A switching power supply adapter circuit |
| 07/11/2012 | CN202334342U 一种用于led照明的电源电路 Led lighting for power circuit |
| 07/11/2012 | CN202334340U 一种健身器材用电源适配器 An exercise equipment with a power adapter |
| 07/11/2012 | CN202333798U 电机与电器的接线装置防爆泄压结构 Motor and electrical wiring devices explosion relief structure |
| 07/11/2012 | CN202333797U 变电站防雷击系统装置 Substation lightning system devices |
| 07/11/2012 | CN202333796U 过压过流保护开关 Overvoltage overcurrent protection switch |
| 07/11/2012 | CN202333795U 一种用于有线电视用户的防雷保护电路 A lightning protection circuit cable subscribers |
| 07/11/2012 | CN202333794U 一种电机/线切割机的能量反灌检测吸收装置 The energy of a motor / Cutting anti irrigation absorbing device detection |
| 07/11/2012 | CN202333793U 一种电源适配器的防雷击浪涌电路 A power adapter lightning surge circuit |
| 07/11/2012 | CN202333792U 一种防雷击浪涌电路 An anti-lightning surge circuit |
| 07/11/2012 | CN202333791U 一种电源输入保护装置 A power input protection device |
| 07/11/2012 | CN202333790U 一种抑制干扰信号和浪涌防护的电路 An interference signal suppression and surge protection circuitry |
| 07/11/2012 | CN202333789U 一种伴热变压器用开关电流限制器 One kind of heating transformer switching current limiter |
| 07/11/2012 | CN202333788U 一种耐雷击浪涌电流保护电路 One kind of anti-lightning surge current protection circuit |
| 07/11/2012 | CN202333787U 一种三相电流检测控制器 A three-phase current sensing controller |
| 07/11/2012 | CN202333786U 抑制igbt过电流的驱动电路 Suppression igbt driver circuit overcurrent |
| 07/11/2012 | CN202333785U Led路灯驱动电源防雷装置 Led street lamp drive power lightning protection device |
| 07/11/2012 | CN202333784U 电动车均衡充电器限流电路 Balancing electric vehicle charger limiting circuit |
| 07/11/2012 | CN202333783U 一种模块可反向插入的模块式电涌保护器 A modular reversible insert modular surge protector |
| 07/11/2012 | CN202333771U Power supply protection circuit and engineering machinery |
| 07/11/2012 | CN202333741U 智能防雷漏电断路器 Smart Lightning leakage circuit breaker |
| 07/11/2012 | CN202333705U 带接地导电轮放线滑车 With grounded conductive round line tackle |
| 07/11/2012 | CN102577004A Surge protection circuit in three-phase four-wire system circuit |