| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/03/2013 | CN203034944U Button starting guard generator |
| 07/03/2013 | CN103187861A Self-discharge circuit and method, discharge integrated circuit device, and ac/dc interface |
| 07/03/2013 | CN103187722A Direct current side overvoltage protective device and method for flexible direct current transmission system |
| 07/03/2013 | CN103187721A Power supply apparatus including overvoltage protection function |
| 07/03/2013 | CN103187720A Short-circuit protective circuit and light-emitting diode (LED) power source circuit used for output end of active power factor correction (PFC) circuit |
| 07/03/2013 | CN102025143B Transient voltage-resistant delay circuit |
| 07/03/2013 | CN102003474B Electromagnetic coupling device |
| 07/03/2013 | CN101836341B Surge protection circuit for passing DC and RF signals |
| 07/03/2013 | CN101794989B Current-limiting and controlling method of active damping of current-limiting and storage circuit |
| 06/27/2013 | WO2013095186A1 Active lightning conductor |
| 06/27/2013 | WO2013094886A1 Inrush current suppressor circuit |
| 06/27/2013 | WO2013094822A1 Device for enabling protection from electromagnetic waves |
| 06/27/2013 | WO2013093273A1 Device for connecting/disconnecting a load for energy storage unit in an automotive vehicle |
| 06/27/2013 | WO2013091834A1 Low-, medium-, or high-voltage switchgear |
| 06/27/2013 | US20130163131 Electronic component protection power supply clamp circuit |
| 06/27/2013 | US20130163130 Esd protection structure and method for manufacturing the same |
| 06/27/2013 | US20130163129 Electrostatic discharge (esd) protection and operating method thereof |
| 06/27/2013 | US20130163128 High holding voltage, mixed-voltage domain electrostatic discharge clamp |
| 06/27/2013 | US20130163127 Esd protection circuit |
| 06/27/2013 | US20130163126 High-swing differential driver using low-voltage transistors |
| 06/27/2013 | US20130162207 Devices and methods for the safe driving, charging and energy recovery operation of an electric vehicle |
| 06/26/2013 | EP2608345A1 Low-, medium-, or high-voltage switchgear |
| 06/26/2013 | EP2608239A1 Magnetizing inrush current suppression device |
| 06/26/2013 | CN203027151U Frequency converter |
| 06/26/2013 | CN203026940U Automatic-compensation device detector for arc suppression coil |
| 06/26/2013 | CN203026939U Novel surge protector |
| 06/26/2013 | CN203026938U Lightning protection protector for oil-electricity hybrid workover rig |
| 06/26/2013 | CN203026937U Protection circuit of IGBT (Insulated Gate Bipolar Transistor) in bipolar pulsed power supply |
| 06/26/2013 | CN203026936U High voltage-prevention circuit of LED (Light-Emitting Diode) driver |
| 06/26/2013 | CN203026935U Motor terminal protector |
| 06/26/2013 | CN203026934U Lightning protection box structure |
| 06/26/2013 | CN203026933U Arrangement structure of lightning protection device |
| 06/26/2013 | CN203026932U Spark limiting circuit of intrinsically safe power supply |
| 06/26/2013 | CN203026931U Chip port ESD (electro-static discharge) protection circuit |
| 06/26/2013 | CN203026930U Circuit for solving voltage overload of input port of operational amplifier |
| 06/26/2013 | CN203026929U Spark limiting device of intrinsically safe power supply |
| 06/26/2013 | CN203026928U Separated type intelligent lightening protection system for wireless communication base station |
| 06/26/2013 | CN203026927U Pulse operation display and protection device |
| 06/26/2013 | CN203026291U Current limiting reactor with current transformer |
| 06/26/2013 | CN103178511A Intelligent fault line selection and fault management system for power distribution network |
| 06/26/2013 | CN103178510A Electrostatic discharging protective circuit for extra-high voltage chip |
| 06/26/2013 | CN103178509A ESD protection devices and methods for forming ESD protection devices |
| 06/26/2013 | CN102655145B Static releasing protection circuit and working method thereof |
| 06/26/2013 | CN102106050B Overvoltage protection device having one or more parallel-connected overvoltage-limiting elements located in one physical unit |
| 06/26/2013 | CN102005750B Composite superconductive fault current-limiting device with self-protection function |
| 06/25/2013 | US8472157 Overvoltage and overcurrent protection circuit |
| 06/24/2013 | DE202013002222U1 Überspannungsschutzeinrichtung mit Kurzschlussfunktion zum Anlagen- und Personenschutz Overvoltage protection device with short circuit function to protect people and equipment |
| 06/20/2013 | WO2013087443A1 Three-pole lightning arrestor integrated into a residential gateway with lightning impact detector |
| 06/20/2013 | US20130155564 Intrinsically Safe Energy Limiting Circuit |
| 06/20/2013 | US20130155558 Compact electronic device for protecting from electrostatic discharge |
| 06/20/2013 | US20130155556 Electrostatic discharge protection circuit and method for radio frequency semiconductor device |
| 06/20/2013 | US20130155555 Integrated circuit and method of providing electrostatic discharge protection within such an integrated circuit |
| 06/20/2013 | US20130155554 Electrostatic discharge protection device |
| 06/20/2013 | US20130155553 Magnetizing inrush current suppression apparatus |
| 06/20/2013 | US20130155551 Neutral point clamped power converter fault detection, identification, and protection |
| 06/20/2013 | US20130154601 Regulator transient over-voltage protection |
| 06/19/2013 | EP2605355A1 Intrinsically safe energy limiting circuit |
| 06/19/2013 | CN203015227U Buffer current limiting circuit of improved LED lamp DC power supply |
| 06/19/2013 | CN203014502U A high-voltage-side inductive electricity acquiring device |
| 06/19/2013 | CN203014389U High-voltage reactive power automatic compensation device |
| 06/19/2013 | CN203014386U Crowbar protection circuit of double-fed wind turbine system |
| 06/19/2013 | CN203014377U Power grid overvoltage inhibition apparatus |
| 06/19/2013 | CN203014374U A distributed arc extinguishing coil controller device based on optical fiber communication |
| 06/19/2013 | CN203014373U Transient surge protector used specially for elevator |
| 06/19/2013 | CN203014372U Transformer neutral grounding resistor cabinet |
| 06/19/2013 | CN203014371U Self-recovery lightening protection circuit |
| 06/19/2013 | CN203014370U Breaker electronic assembly dedicated for prepayment electric energy meter |
| 06/19/2013 | CN203014369U High-voltage solid soft starter with overvoltage protection function |
| 06/19/2013 | CN203014368U Parallel cell protection device |
| 06/19/2013 | CN203014367U Circuit device which inhibits input impulse current |
| 06/19/2013 | CN203014366U Antistatic circuit of decoder board |
| 06/19/2013 | CN203012881U Network remote control double platform security device |
| 06/19/2013 | CN203012880U Program controlled alarm device |
| 06/19/2013 | CN203012879U Alarm device for network platform |
| 06/19/2013 | CN203012878U Alarm device capable of knowing things at home |
| 06/19/2013 | CN203012566U High-performance voltage stabilizing circuit |
| 06/19/2013 | CN203008566U Covering type programmable controller |
| 06/19/2013 | CN203008564U Rigorous thunder prevention safety program controller |
| 06/19/2013 | CN103166215A Household appliance protector |
| 06/19/2013 | CN103166214A High-power radio frequency antenna thunder-lightning protection device |
| 06/19/2013 | CN103166213A Anti-surge circuit of power supply of control circuit |
| 06/19/2013 | CN103166212A Protecting against transients in a communication system |
| 06/19/2013 | CN103166211A Electrostatic discharge protecting device |
| 06/19/2013 | CN103166210A Over voltage protection circuit and driver circuit using the same |
| 06/19/2013 | CN103166209A Device and method of direct current variable pitch motor protection |
| 06/19/2013 | CN103166208A Power supplying circuit capable of hindering surge currents |
| 06/19/2013 | CN103166194A Input overvoltage and under-voltage protection circuit of communication power supply module |
| 06/19/2013 | CN103166168A High-voltage direct current solid state power controller |
| 06/19/2013 | CN101409508B Power circuit and leakage breaker using the same |
| 06/18/2013 | US8467165 Power supply control apparatus including overcurrent detection circuit |
| 06/18/2013 | US8467163 Protecting apparatus |
| 06/18/2013 | US8467162 ESD protection circuit and ESD protection device thereof |
| 06/18/2013 | DE202013102112U1 Einrichtung zur Erdschlussstromlöschung in Drehstromnetzen Means for Erdschlussstromlöschung in three-phase systems |
| 06/13/2013 | WO2013082668A1 Fault current limiter |
| 06/13/2013 | US20130148244 Esd protection device and method for manufacturing the same |
| 06/13/2013 | US20130148243 Esd protecting circuit and semiconductor device including the same |
| 06/13/2013 | DE102011088426A1 Elektronisches vorschaltgerät und verfahren zum betreiben mindestens einer ersten kaskade und einer zweiten kaskade von leds Electronic ballast and procedures to operate at least a first and a second cascade cascade of leds |
| 06/13/2013 | CA2858450A1 Fault current limiter |
| 06/12/2013 | EP2602894A1 Circuit, method and system for overload protection |
| 06/12/2013 | EP2601658A1 A core |