| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) | 
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| 12/29/2010 | CN101273507B System and method for protecting IC components | 
| 12/29/2010 | CN101243590B System and method for limiting AC inrush current | 
| 12/28/2010 | US7859814 Linear low capacitance overvoltage protection circuit using a blocking diode | 
| 12/28/2010 | US7859810 Photocoupler | 
| 12/28/2010 | US7859807 ESD protection circuit and method thereof | 
| 12/28/2010 | US7859806 System and method of electrostatic discharge protection for signals at various voltages | 
| 12/28/2010 | US7859805 Electrostatic breakdown protection circuit and semiconductor integrated circuit device therewith | 
| 12/28/2010 | US7859804 ESD protection structure | 
| 12/28/2010 | US7859803 Voltage overload protection circuits | 
| 12/23/2010 | US20100321850 Arrangement comprising a surge arrester | 
| 12/23/2010 | US20100321848 Combination current sensor and relay | 
| 12/23/2010 | US20100321843 Semiconductor ESD Device and Method of Making Same | 
| 12/23/2010 | US20100321842 Electrostatic Discharge Structures and Methods of Manufacture | 
| 12/23/2010 | US20100321841 Electrostatic discharge protection circuit | 
| 12/23/2010 | US20100321840 Bottom source NMOS triggered zener clamp for configuring an ultra-low voltage transient voltage suppressor (TVS) | 
| 12/23/2010 | US20100321838 Arc flash detection system | 
| 12/22/2010 | CN201682278U ESD (Electro-Static Discharge) protective circuit and television with same | 
| 12/22/2010 | CN201682277U Lightning arrester with lightning stroke current strength inhibition function | 
| 12/22/2010 | CN201682271U Overvoltage protection device of super capacitor | 
| 12/22/2010 | CN201681780U Lightening-proof fuse with reliable alarming and surge overvoltage protection device thereof | 
| 12/22/2010 | CN1879274B Overheat protection device and electrical system having same | 
| 12/22/2010 | CN101924484A Grid-control bridge rectifier with surge current limiter | 
| 12/22/2010 | CN101924362A Over-current protection circuit with foldback capability | 
| 12/22/2010 | CN101924361A Surge protector with fuse | 
| 12/22/2010 | CN101924360A Novel backup protection device of surge protector | 
| 12/22/2010 | CN101924359A Novel backup protecting device of surge protector | 
| 12/22/2010 | CN101924358A Combined surge protector | 
| 12/22/2010 | CN101924357A Water turbine AC excitation power source protection method and water turbine for realizing same | 
| 12/22/2010 | CN101924356A Improved ESD protective device, corresponding method and integrated circuit | 
| 12/22/2010 | CN101924355A Electric fireproof current-limiting type protector | 
| 12/22/2010 | CN101436776B Grounding and line selection method for low current grounding system | 
| 12/22/2010 | CN101379673B Electrical circuit with incendive arc prevention | 
| 12/22/2010 | CN101252272B Anti-surging method of multi-load control system | 
| 12/22/2010 | CN101197501B Base station protector assembly for surge protection | 
| 12/21/2010 | US7855902 DC-DC converter with voltage detection circuit for overcurrent protection | 
| 12/21/2010 | US7855866 Network interface with transient protection apparatus for multiple ground planes | 
| 12/21/2010 | US7855863 Driver with electrostatic discharge protection | 
| 12/21/2010 | US7855862 Electrostatic discharge (ESD) circuit and method that includes P-channel device in signal path | 
| 12/16/2010 | WO2009126241A9 Technique for combining in-rush current limiting and short circuit current limiting | 
| 12/16/2010 | US20100315751 Semiconductor device and manufacturing method of the same | 
| 12/16/2010 | US20100315750 Over-current protection circuit with foldback capability | 
| 12/16/2010 | US20100315748 ESD Protection using a Capacitivly-Coupled Clamp for Protecting Low-Voltage Core Transistors from High-Voltage Outputs | 
| 12/16/2010 | DE102004063708B4 Schaltung zur Spannungsbegrenzung Circuit for voltage limitation | 
| 12/15/2010 | EP2260558A1 Active neutral point treatment for compensating ground-fault residual current and biasing voltage | 
| 12/15/2010 | EP2260518A1 A superconducting fault current limiter | 
| 12/15/2010 | CN201674410U Flameproof safe power supply for coal mine | 
| 12/15/2010 | CN201674252U Solar anti-lightning heat supply metering uninterrupted power device | 
| 12/15/2010 | CN201674248U Surge-proof charging device | 
| 12/15/2010 | CN201674223U Interface protective circuit and interface circuit capable of realizing overvoltage protection | 
| 12/15/2010 | CN201674222U Drainage device for protecting cathode of buried metal pipeline | 
| 12/15/2010 | CN201674221U Intelligent-counting power supply lightning protection box | 
| 12/15/2010 | CN201674220U Lightning-protecting and voltage-stabilizing circuit and device | 
| 12/15/2010 | CN101917804A Large-power intelligent dimming multiple-output power supply for suppressing electric surge with field-effect transistor | 
| 12/15/2010 | CN101917802A LED street lamp and driving power supply circuit thereof | 
| 12/15/2010 | CN101916994A Large through-flow frequency division and current-distribution type separator | 
| 12/15/2010 | CN101916993A Arc extinction system for power grid | 
| 12/15/2010 | CN101916992A pHEMT (pseudomorphic High Electron Mobility Transistor) radio frequency switch ESD (Electrostatic Discharge) protection device and radio frequency front end module including same | 
| 12/15/2010 | CN101916991A Absorption circuit for restraining impact current | 
| 12/15/2010 | CN101916990A Optimized check method of short-circuit current limiting measure | 
| 12/15/2010 | CN101521373B Device and method for limiting short-circuit current | 
| 12/15/2010 | CN101505055B Active surge current control circuit | 
| 12/15/2010 | CN101378191B Electrostatic discharge protecting circuit and electronic product using the same | 
| 12/15/2010 | CN101373197B Method and apparatus for on-line monitoring over voltage | 
| 12/15/2010 | CN101004959B Current limiting method for high temperature super conductive cable and its structure, application and connecting mode | 
| 12/14/2010 | US7852608 Electrostatic discharge protection circuit and semiconductor device | 
| 12/14/2010 | US7852607 Protection device with lockout test | 
| 12/09/2010 | US20100311596 Core-saturated superconductive fault current limiter and control method of the fault current limiter | 
| 12/09/2010 | US20100309595 Esd protection device | 
| 12/09/2010 | US20100309594 Integrated circuit device | 
| 12/09/2010 | US20100309593 Semiconductor device and electrostatic discharge protection method for the semiconductor device | 
| 12/09/2010 | US20100309592 Methods and apparatus for multi-frequency ground fault circuit interrupt grounded neutral fault detection | 
| 12/09/2010 | US20100309591 Impedance-based current sensor | 
| 12/09/2010 | US20100309590 High Voltage Saturated Core Fault Current Limiter | 
| 12/09/2010 | US20100309589 Inverter device | 
| 12/09/2010 | US20100307810 Energy conditioning circuit arrangement for integrated circuit | 
| 12/08/2010 | EP1327290B1 Circuit configuration for monitoring and/or regulating supply voltages | 
| 12/08/2010 | CN201667548U Anti-overloading intelligent battery pack | 
| 12/08/2010 | CN201667536U Overvoltage protective unit used for SVC | 
| 12/08/2010 | CN201667517U Outdoor lightning protection power distribution box | 
| 12/08/2010 | CN201667108U Lightening-strike preventing residual current electric fire monitoring device | 
| 12/08/2010 | CN1681367B Method for preventing high voltage power supply from providing short circuit current to microwave generator and radiation generating system | 
| 12/08/2010 | CN101911422A A fault current limiter | 
| 12/08/2010 | CN101909396A Electronic ballast and over-voltage clamping protection method thereof | 
| 12/08/2010 | CN101909375A High-power electromagnetic oven circuit based on SoC (System On Chip) chip | 
| 12/08/2010 | CN101908819A Surge suppression circuit | 
| 12/08/2010 | CN101908762A Pre-processing circuit for power supply | 
| 12/08/2010 | CN101908761A Fuse combined type remote integrated surge protective device | 
| 12/08/2010 | CN101908760A Fused combination type surge protector | 
| 12/08/2010 | CN101908759A ESD (Electrostatic Discharge) clamp circuit | 
| 12/08/2010 | CN101908758A Electrostatic discharge protection circuit with merging trigger mechanism | 
| 12/08/2010 | CN101488666B Network port lightning preventing circuit and RJ45 interface apparatus thereof | 
| 12/08/2010 | CN101102055B System for monitoring the surge protector based on distribution line and its method | 
| 12/08/2010 | CN101000988B Multiple planar inductive loop surge suppressor | 
| 12/07/2010 | US7848073 Power supply controller | 
| 12/07/2010 | US7848070 Electrostatic discharge (ESD) protection structure and a circuit using the same | 
| 12/07/2010 | US7848069 Protective circuit | 
| 12/07/2010 | US7848068 ESD protection circuit using self-biased current trigger technique and pumping source mechanism | 
| 12/02/2010 | WO2010136257A1 Over-voltage protection for inverters having an emv filter on the input side | 
| 12/02/2010 | WO2010115224A3 Energy supply in an electric network | 
| 12/02/2010 | WO2010078303A3 Electrical safety shutoff system and devices for photovoltaic modules |