| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 04/17/2013 | EP2582001A1 Excess voltage protective device for electronic modules |
| 04/17/2013 | EP2580829A1 Breaker failure protection of hvdc circuit breakers |
| 04/17/2013 | EP2580828A1 Fault protection of hvdc transmission lines |
| 04/17/2013 | CN202889694U Constant current circuit protection line |
| 04/17/2013 | CN202889692U 4-kilovolt-ampere illumination signal integrated protection device module |
| 04/17/2013 | CN202889224U Constant current source |
| 04/17/2013 | CN202888851U Intelligent electrical load unbalance compensation device |
| 04/17/2013 | CN202888822U A novel control signal lightning protection device |
| 04/17/2013 | CN202888821U A network signal surge protective device |
| 04/17/2013 | CN202888818U Novel surge protection device (SPD) |
| 04/17/2013 | CN202888817U Novel surge protection device (SPD) |
| 04/17/2013 | CN202888809U PFC dual-protection circuit and air-conditioner |
| 04/17/2013 | CN202888794U Electric leakage protection device working based on Internet of Things of street lamp for lamp post of street lamp |
| 04/17/2013 | CN202888793U Open-phase protection circuit |
| 04/17/2013 | CN202888792U Surge protector |
| 04/17/2013 | CN202888791U Load controller based on zero-cross starting overvoltage protection |
| 04/17/2013 | CN202888790U Resettable over/under-voltage protector based on one-chip microcomputer |
| 04/17/2013 | CN202888789U Overvoltage remote protective device |
| 04/17/2013 | CN202888788U Overcurrent protection circuit and switching power supply |
| 04/17/2013 | CN202888787U Automobile circuit protection device |
| 04/17/2013 | CN202888786U Large power charger output reverse polarity protection circuit |
| 04/17/2013 | CN202888785U Device for controlling single-phase automatic reclosing operation of ultrahigh-voltage transmission line |
| 04/17/2013 | CN202888784U IGBT (insulated gate bipolar transistor)-type inversion direct-current welding machine output safety protective circuit |
| 04/17/2013 | CN202888783U Self-locking type fault protection circuit |
| 04/17/2013 | CN103052201A LED control circuit, LED illuminating device and short circuit protection method |
| 04/17/2013 | CN103052197A LED (Light Emitting Diode) street lamp device loaded with lightning arrester |
| 04/17/2013 | CN103050980A Low-voltage capacitance compensating system and control method |
| 04/17/2013 | CN103050956A Composite monitoring voltage limiting device |
| 04/17/2013 | CN103050945A Power supply controller and power supply managing and controlling method |
| 04/17/2013 | CN103050938A Full-automatic over-voltage and under-voltage time-delaying protector |
| 04/17/2013 | CN103050937A Active surge protector |
| 04/17/2013 | CN103050936A Overvoltage protection device |
| 04/17/2013 | CN103050935A Overload protection device for load of direct current power supply |
| 04/17/2013 | CN103050934A Intelligent control device of circuit breaker |
| 04/17/2013 | CN103050933A Large-scale battery storage power station interface protection method based on single-ended break variable of current |
| 04/17/2013 | CN103050932A Electronic switch circuit for power over Ethernet |
| 04/17/2013 | CN103050931A Power system hierarchical data matching and relay protection setting merging method |
| 04/17/2013 | CN103050094A Overvoltage protection method for backlight driving circuit in 2D/3D (two-dimensional/three-dimensional) mode and backlight driving circuit applying overvoltage protection method |
| 04/17/2013 | CN102354949B Leakage protecting device |
| 04/17/2013 | CN102354866B Electricity leakage protection plug |
| 04/17/2013 | CN102054632B Split-phase type intelligent low-voltage double-breakpoint integrated electrical appliance with quick electromagnetism repulsive force mechanism |
| 04/17/2013 | CN101741049B Control device and control method for residual current circuit breakers |
| 04/17/2013 | CN101499376B Low bypass fine arrestor |
| 04/17/2013 | CN101478099B Neutral grounding fault creepage protecting plug |
| 04/17/2013 | CN101346865B Excess voltage protection circuit, method of protecting a circuit from excess voltage, and semiconductor apparatus having the excess voltage protection circuit |
| 04/17/2013 | CN101120495B Methods and circuits for distributing power to spd loads |
| 04/16/2013 | US8423825 Data restoring method and an apparatus using journal data and an identification information |
| 04/16/2013 | US8423510 Real time backup system for computer users |
| 04/16/2013 | US8422189 Serially connected surge suppression optimization device |
| 04/16/2013 | US8422188 ESD protection device |
| 04/16/2013 | US8422187 Apparatus and method for electronic circuit protection |
| 04/16/2013 | US8422185 Method and device for delaying activation timing of output device |
| 04/16/2013 | US8422184 Overcurrent relay |
| 04/16/2013 | US8422183 Overcurrent detecting apparatus |
| 04/16/2013 | US8422182 Relay system comprising two JFET transistors in series |
| 04/16/2013 | US8422181 Electrostatic discharge protection device of an electric apparatus |
| 04/16/2013 | US8422178 Hybrid power relay using communications link |
| 04/11/2013 | WO2013052028A2 Mobile content delivery |
| 04/11/2013 | WO2013051484A1 Power charging device for electric vehicle |
| 04/11/2013 | WO2013014251A3 Switching device |
| 04/11/2013 | US20130089344 Fusing device of image forming apparatus and method of detecting leakage current thereof |
| 04/11/2013 | US20130088804 Pulse current sensor and lightning protection cabinet with surge wave recording composed of the sensor |
| 04/11/2013 | US20130088802 Fault protection of hvdc transmission lines |
| 04/11/2013 | US20130088096 Short-circuit protection method |
| 04/10/2013 | EP2579411A1 Protective relay apparatus |
| 04/10/2013 | CN202872619U Netted power supply |
| 04/10/2013 | CN202872351U Storage battery fusing protective device provided with state monitoring indication lamps |
| 04/10/2013 | CN202872334U Manually-reset overload overtemperature early-warning protective device |
| 04/10/2013 | CN202872331U Power-adjustable current limiter |
| 04/10/2013 | CN202872330U Leakage protection apparatus for electric automobile |
| 04/10/2013 | CN202872329U Circuit breaker with overvoltage protection function |
| 04/10/2013 | CN202872328U Power supply input voltage overvoltage protection circuit used for single-phase inverter type welder |
| 04/10/2013 | CN202872327U Multifunctional electrical protector |
| 04/10/2013 | CN202872326U Over-current protection module of automobile starting motor |
| 04/10/2013 | CN202872325U Direct current grounding detection protection device used for photovoltaic power generation system |
| 04/10/2013 | CN202872324U Protection circuit and switching power supply with same |
| 04/10/2013 | CN202872323U Overload and overtemperature protection device with alarm function |
| 04/10/2013 | CN202872322U Manual-reset overload and overtemperature alarm protection device |
| 04/10/2013 | CN202872321U A waterproof switch used for an electronic product |
| 04/10/2013 | CN202872320U Intelligent flashy flow controller |
| 04/10/2013 | CN202872319U Burnout-proof automatic protection device of a high voltage circuit breaker closing coil |
| 04/10/2013 | CN202871721U Normally closed power master switch device |
| 04/10/2013 | CN103038966A Utility ground detection |
| 04/10/2013 | CN103038848A Current measuring method for switchgear having current paths connected in parallel |
| 04/10/2013 | CN103037558A Over-current protection circuit of light-emitting diode (LED) constant-current driving circuit |
| 04/10/2013 | CN103036454A Power supply, power management device and low-voltage and excess-temperature protective method |
| 04/10/2013 | CN103036309A Control device and control method of container type inverter |
| 04/10/2013 | CN103036216A System and clock synchronization method applied to intelligentized converting station digitization busbar differential protection |
| 04/10/2013 | CN103036215A Drive circuit with output protection and drive protection circuit thereof |
| 04/10/2013 | CN103036214A Power switch series circuit and control method thereof |
| 04/10/2013 | CN103036213A Charging protection device capable of prolonging service life of lead-acid battery |
| 04/10/2013 | CN103036205A Electronic protector for compressor |
| 04/10/2013 | CN103036199A Electric leakage protecting device integrated block and multi-level electric leakage protecting system comprising the same |
| 04/10/2013 | CN103036198A Multi-functional safe electricity leakage protection device capable of preventing false wiring of power socket |
| 04/10/2013 | CN103036197A Protective device of broken zero line for low-pressure power utilization system |
| 04/10/2013 | CN103036196A Device for overvoltage protection and method thereof |
| 04/10/2013 | CN103036195A Protective circuit of air-conditioner circuits and control method thereof |
| 04/10/2013 | CN103036194A Short-circuit protection circuit based on hall current sensor and digital voltage comparator |
| 04/10/2013 | CN103036120A Attachment structure for attachment of component to article and electric junction box having thereof |
| 04/10/2013 | CN102035191B 一种igbt模块过温保护电路 One kind of over-temperature protection circuit module igbt |