| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 09/04/2013 | CN203180513U Three-phase composite overvoltage protection device |
| 09/04/2013 | CN203180512U Low tension side power supply surge protector |
| 09/04/2013 | CN203180511U Gapless double loop voltage protector |
| 09/04/2013 | CN203180510U Combined overvoltage protector of resistance capacitance lightening arrester |
| 09/04/2013 | CN203180509U Telephone service entrance conductor surge overvoltage protector |
| 09/04/2013 | CN203180508U System overvoltage inhibition apparatus |
| 09/04/2013 | CN203180507U High-capacity overvoltage absorber |
| 09/04/2013 | CN203180506U Surge bleeder |
| 09/04/2013 | CN203180482U Online monitoring system host and system used for lightning protection circuit and power transmission circuit |
| 09/04/2013 | CN203180425U Sheath induction cable current limiting device |
| 09/04/2013 | CN103283050A 超导故障电流限制器 Superconducting fault current limiter |
| 09/04/2013 | CN103280819A Paralleling reactor compensation loop of transformer substation and compensation method of paralleling reactor compensation loop of transformer substation |
| 09/04/2013 | CN103280794A Surging resistant and reverse-connection resistant port |
| 09/04/2013 | CN103280793A Electric network grounding compensation device based on arc suppression transformer |
| 09/04/2013 | CN103280792A Voltage limiter with porcelain housing for series compensation device |
| 09/04/2013 | CN103280791A Lightening-resisting circuit applied to voice port of home gateway communication terminal device |
| 09/04/2013 | CN103280790A Method for protecting electrical equipment close to house in case of stroking communication base station by lightning |
| 09/04/2013 | CN103280789A Novel multifunctional power electronic current-limiting system and control method thereof |
| 09/04/2013 | CN103280788A Grounding reference point optimizing and connecting method for star connection system of mobile communication base station |
| 09/04/2013 | CN103280787A Static electricity resistant circuit |
| 09/04/2013 | CN103280763A Direct current circuit breaker and realization method thereof |
| 09/04/2013 | CN103279150A Protection circuit of temperature controller output contact |
| 09/04/2013 | CN102222899B Vehicular power protective circuit |
| 09/04/2013 | CN102006713B Circuit board with static protection structure |
| 09/04/2013 | CN101938118B Electrostatic discharge protection circuit with multi-power area integrated circuit |
| 09/04/2013 | CN101567557B Power clamping static protection circuit |
| 09/03/2013 | US8526157 Surge arrester and arrangement of a plurality of surge arresters to form an array |
| 09/03/2013 | US8526152 Administering offset voltage error in a current sensing circuit |
| 09/03/2013 | US8526149 Limiting current circuit that has output short circuit protection |
| 09/03/2013 | US8526148 Semiconductor device, DC-DC converter, and protective element |
| 09/03/2013 | US8526147 High voltage tolerant SCR clamp with avalanche diode triggering circuit |
| 09/03/2013 | US8526145 Power on reset GFCI |
| 09/03/2013 | US8526143 Methods and appraratus for ground fault circuit interrupt detection using a single transformer |
| 08/29/2013 | US20130225414 Techniques for improving reliability of a fault current limiting system |
| 08/29/2013 | US20130222964 Surge arrester with extendable collar |
| 08/29/2013 | US20130222959 Power delivery systems and methods |
| 08/29/2013 | US20130222958 System and method for providing surge protection |
| 08/29/2013 | US20130222956 Esd protection device and manufacturing method therefor |
| 08/29/2013 | US20130222955 Non-Linear Element, Display Device Including Non- Linear Element, And Electronic Device Including Display Device |
| 08/29/2013 | US20130222954 Electrostatic discharge protection circuit |
| 08/29/2013 | US20130222953 High-voltage transistor, esd-protection circuit, and use of a high-voltage transistor in an esd-protection circuit |
| 08/29/2013 | US20130222952 Esd protection without latch-up |
| 08/29/2013 | US20130222951 Fault protection circuit for photovoltaic power system |
| 08/29/2013 | DE102012101558A1 Funkenstreckenanordnung Spark gap arrangement |
| 08/28/2013 | EP2632048A1 System and method for controlling solid state circuit breakers |
| 08/28/2013 | CN203166507U Automatic slight-adjustment turn type arc extinguishing coil |
| 08/28/2013 | CN203166506U Anti-lightning network interface circuit, network card, motherboard and computer |
| 08/28/2013 | CN203166505U AC side overvoltage protection device used for flexible DC transmission system |
| 08/28/2013 | CN203166504U Lightning protection power supply circuit and device |
| 08/28/2013 | CN203166503U Non-follow current discharge tube module with trip function |
| 08/28/2013 | CN203166502U Voltage-withstand tester leakage current input loop with protective circuit |
| 08/28/2013 | CN203166501U Lightning protection circuit of fuse in photovoltaic junction box |
| 08/28/2013 | CN203166500U Surge protection device applied to improved circuit board |
| 08/28/2013 | CN203166499U IGBT overvoltage protection circuit of electromagnetic oven |
| 08/28/2013 | CN203166498U Secondary open-circuit preventing protective module for current transformer |
| 08/28/2013 | CN203166497U Anti-surge DC protective circuit |
| 08/28/2013 | CN203166496U Module type lightning surge protection device |
| 08/28/2013 | CN203166495U Device for eliminating induction voltage of low voltage circuit |
| 08/28/2013 | CN203166494U Device for solving potential induced degradation |
| 08/28/2013 | CN203166493U Multifunctional lightning protection device |
| 08/28/2013 | CN203165110U Lightning protection guard device of lockhole protection |
| 08/28/2013 | CN203164652U Elevation controller |
| 08/28/2013 | CN203160877U Combined type double pre-warning burglar alarm |
| 08/28/2013 | CN203160860U Alarm component simple and easy to operate |
| 08/28/2013 | CN103270570A Thermal separating device |
| 08/28/2013 | CN103269390A Mobile phone with anti-lightning function |
| 08/28/2013 | CN103269190A Driver for driving direct current brushless motor for air-condition fan |
| 08/28/2013 | CN103269066A Shielding arc extinction device |
| 08/28/2013 | CN103269065A Resonance eliminating system of power voltage transformer |
| 08/28/2013 | CN103269064A Zero-power-consumption releasing circuit of anti-interference capacitor at AC end of switching power supply |
| 08/28/2013 | CN103269063A System and method for retraining fault load shedding overvoltage of electric transmission line |
| 08/28/2013 | CN103269062A Mobile phone with double functions of preventing surges and static electricity |
| 08/28/2013 | CN103269061A Anti-aging protective device of lightning arrester and with impedance alterable |
| 08/28/2013 | CN103268876A Electrostatic discharge protection circuit, display panel and display device |
| 08/28/2013 | CN102130595B Rear preregulator DC/DC converter |
| 08/28/2013 | CN101969193B Novel structure of high-voltage superconducting current limiter |
| 08/28/2013 | CN101783507B Surge current suppression circuit |
| 08/27/2013 | US8520354 Multilayered board semiconductor device with BGA package |
| 08/27/2013 | US8520352 Multiple-channel active sensing and switching device |
| 08/27/2013 | US8520351 Electrostatic discharge protective circuit having rise time detector and discharge sustaining circuitry |
| 08/22/2013 | WO2013120259A1 Surge protection for differential input/output interfaces |
| 08/22/2013 | US20130215808 Multiple port rf switch esd protection using single protection structure |
| 08/22/2013 | US20130215547 Over-current protection device |
| 08/22/2013 | US20130215544 Multi-staged overvoltage protection circuit, in particular for information-technology systems |
| 08/22/2013 | US20130215541 High voltage rc-clamp for electrostatic discharge (esd) protection |
| 08/22/2013 | US20130215540 High Voltage Electrostatic Discharge Clamp Using Deep Submicron CMOS Technology |
| 08/22/2013 | US20130215539 Reduced current leakage in rc esd clamps |
| 08/22/2013 | US20130215536 Fault clearing without a dc backup power source |
| 08/22/2013 | US20130214823 Gate driving circuit |
| 08/22/2013 | US20130214705 Method for Limiting a Switch-on Current in an Electrical System |
| 08/22/2013 | DE102012202513A1 Inductive superconducting fault current limiter (ISFCL) for limiting current in power line of power plant, has superconducting device whose secondary portion is bridged by normally-conducting short-circuit element |
| 08/22/2013 | DE102012101340A1 Schutz von Photovoltaikmodulen eines Photovoltaikgenerators vor Überspannungen gegenüber Erde Protection of photovoltaic modules of a photovoltaic generator against surge voltages with respect to ground |
| 08/21/2013 | EP2627536A1 Connector system and assembly having integrated protection circuitry |
| 08/21/2013 | CN203151135U Lighting-proof EPS emergency power supply |
| 08/21/2013 | CN203151110U A reactive power compensator of surge protection |
| 08/21/2013 | CN203151088U Single-phase grounding fault isolation device |
| 08/21/2013 | CN203151087U Lightning-protection and energy-saving power transformer with non-harmful output power |
| 08/21/2013 | CN203151086U Lightning-protection protective circuit |
| 08/21/2013 | CN203151059U Sealed type cable sheath earth box |
| 08/21/2013 | CN203150080U Protection circuit for liquid crystal drive circuit |