| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 12/19/2013 | US20130335864 Electronic ignition system for an engine of a vehicle in case of failure |
| 12/19/2013 | US20130335863 Protecting An Operation Control Unit Connected To An Electric Machine Via A Long Cable |
| 12/19/2013 | US20130335862 Overvoltage protection system for power system with multiple parallel-connected switching power supplies |
| 12/19/2013 | US20130335189 Component with countermeasure against static electricity and method of manufacturing same |
| 12/19/2013 | US20130335099 Structure and method for dynamic biasing to improve esd robustness of current mode logic (cml) drivers |
| 12/19/2013 | DE102012210168A1 Battery system e.g. lithium-ion secondary battery system for e.g. electric car, has current limiting unit that is arranged to be activated in the event of short circuit, and is deactivated during normal operation of the battery |
| 12/18/2013 | EP2675033A1 Method and systems for discharging energy from an electrical fault |
| 12/18/2013 | EP2675032A1 Excess voltage protection device and diagnostic method for multi-stage surge protection devices |
| 12/18/2013 | EP2675031A1 Overvoltage protection element |
| 12/18/2013 | EP2673859A1 Apparatus including two batteries connected in parallel |
| 12/18/2013 | CN203352855U LED overcurrent protection circuit |
| 12/18/2013 | CN203352541U Digital power amplifier protection circuit |
| 12/18/2013 | CN203352164U Lightning protection circuit of power adapter |
| 12/18/2013 | CN203352163U Interface protection circuit with low cost and interface circuit having overvoltage protection function |
| 12/18/2013 | CN203352162U Lightning arrester |
| 12/18/2013 | CN203352161U Special-purpose electric discharge device for frequency converter |
| 12/18/2013 | CN203352160U A TSC thyristor valve body containing voltage-equalizing protection |
| 12/18/2013 | CN203352159U Bypass bridge device used for solar cell panel |
| 12/18/2013 | CN203352158U Multi-pulse synchronous lightning isolation suppression unit and circuit |
| 12/18/2013 | CN203352157U Programmable multifunctional interference preventer |
| 12/18/2013 | CN203352156U Zero power consumption release circuit for anti-interference capacitors on switching power supply AC end |
| 12/18/2013 | CN203352155U Microcomputer monitoring protecting device for current transformer |
| 12/18/2013 | CN203352154U Anti-potential counterattack box |
| 12/18/2013 | CN203352131U Port with over-current protection and surge prevention functions |
| 12/18/2013 | CN103460542A Surge protection circuit and method for testing a surge protection circuit |
| 12/18/2013 | CN103460541A Two-stage shut-off device |
| 12/18/2013 | CN103457486A Voltage-regulating current-regulating direct-current power supply with lightning-stroke-prevention and surging-prevention functions |
| 12/18/2013 | CN103457331A Lightning drawing-away traveling charger |
| 12/18/2013 | CN103457254A Energy-saving safety telephone set |
| 12/18/2013 | CN103457253A Over-voltage absorbing protective circuit capable of accurately presetting protection value |
| 12/18/2013 | CN103457252A Common-mode signal protective circuit and electric connector with same |
| 12/18/2013 | CN103457251A Protective circuit based on PTC thermistor |
| 12/18/2013 | CN103456721A Esd-robust i/o driver circuit |
| 12/18/2013 | CN103448574A System and method for limiting rail potential of electrified railways in arid regions |
| 12/18/2013 | CN102569288B Electrostatic protection structure |
| 12/18/2013 | CN102368886B High-frequency high-voltage X-ray defect detector |
| 12/18/2013 | CN101997306B Voltage balancer between current limiting units of matrix resistor type superconducting current limiter |
| 12/18/2013 | CN101895104B Quench propagation circuit for superconducting magnets |
| 12/17/2013 | US8611063 Current limit control with current limit detector |
| 12/17/2013 | US8611062 Surge current sensor and surge protection system including the same |
| 12/17/2013 | US8611060 Control of operation of protection relay |
| 12/17/2013 | US8611059 Power management circuit and high voltage device therein |
| 12/17/2013 | US8611058 Combination ESD protection circuits and methods |
| 12/17/2013 | US8610351 Surge absorber |
| 12/12/2013 | US20130329330 In-rush current limiter and method for stowable and carry-on devices |
| 12/12/2013 | US20130329329 Solid state power control system for aircraft high voltage dc power distribution |
| 12/12/2013 | US20130329325 Method and systems for discharging energy from an electrical fault |
| 12/12/2013 | US20130329324 Esd path for connector receptacle |
| 12/12/2013 | US20130329323 Integrated circuit providing a function of substituting led open and a protection against static electricity and surge |
| 12/12/2013 | US20130329322 Led having two pings that handle contingencies of open, static electricity, and surge |
| 12/12/2013 | US20130329321 Power distribution system incorporating ground fault interrupt protection |
| 12/11/2013 | EP2672599A2 In-rush current limiter and method for stowable and carry-on devices |
| 12/11/2013 | EP2672597A1 Voltage rectifier |
| 12/11/2013 | EP2672537A1 Superconductive device without an external shunt system, in particular with a ring shape |
| 12/11/2013 | EP2671298A1 Fault current limiter with shield and adjacent cores |
| 12/11/2013 | CN203339944U A switching power supply with high efficiency, low power consumption, and wide voltage |
| 12/11/2013 | CN203339816U Induction power-taking power supply management system |
| 12/11/2013 | CN203339693U Magnetic control arc extinguishing coil |
| 12/11/2013 | CN203339692U Damping resistor protection device |
| 12/11/2013 | CN203339691U Lightning arrester for household electrical appliance |
| 12/11/2013 | CN203339690U Main transformer neutral point CT arrangement structure |
| 12/11/2013 | CN203339689U 温度调节型避雷器 Temperature regulation arresters |
| 12/11/2013 | CN203339688U Temperature sensor protection circuit of bulk curing barn controller |
| 12/11/2013 | CN203339687U High speed and high frequency signal port surge protection circuit |
| 12/11/2013 | CN203339686U Constant current source short circuit protection inhibition circuit |
| 12/11/2013 | CN203339685U SPD overcurrent and overheating protection device |
| 12/11/2013 | CN203339684U Surge protector |
| 12/11/2013 | CN203339683U Screw-in surge protector |
| 12/11/2013 | CN203338490U Intelligent dual-start photorecorder |
| 12/11/2013 | CN203337741U Intelligent thunder and lightning environment monitoring lightning protection box |
| 12/11/2013 | CN103441501A Method for achieving arc suppression coil function by using high-voltage cascading type SVG |
| 12/11/2013 | CN103441486A Reverse-connection-prevention protective circuit of high current power supply |
| 12/11/2013 | CN103441485A 20kV flexible grounding control device and 20kV flexible grounding control method |
| 12/11/2013 | CN103441484A Open-circuit-proof current transformer |
| 12/11/2013 | CN103441483A Lightning arrester device |
| 12/11/2013 | CN103441482A Current monitoring circuit with accurate current-limit function |
| 12/10/2013 | US8605404 Cascade electromagnetic pulse protection circuit for high frequency application |
| 12/10/2013 | US8605396 ESD protection devices and methods for forming ESD protection devices |
| 12/10/2013 | US8605394 Apparatus, method, and system for monitoring leakage current and detecting fault conditions in electrical systems |
| 12/05/2013 | US20130321968 Diode protection of cascoded mixed-voltage transistors |
| 12/05/2013 | US20130321963 Esd protection circuit |
| 12/05/2013 | US20130321962 Esd-robust i/o driver circuits |
| 12/05/2013 | US20130321961 Esd protection device for circuits with multiple power domains |
| 12/05/2013 | US20130321960 Apparatus and method for the intelligent protection of an electrical lead |
| 12/05/2013 | US20130321959 Method and device to protect an esp power supply from transient over-voltages on the power grid |
| 12/05/2013 | DE102013207488A1 ESD-Schutzvorrichtung für Schaltungen mit mehreren Versorgungsbereichen ESD protection device for circuits with multiple coverage areas |
| 12/05/2013 | DE102013104321A1 Manueller Service-Trennschalter mit integrierter Vorladefunktion Manual service disconnect switch with integrated precharge |
| 12/05/2013 | DE102012218260B3 Induktiver Fehlerstrombegrenzer mit geteilter Sekundärspulenanordnung Inductive Fault with divided secondary coil assembly |
| 12/05/2013 | DE102012011122A1 Printed circuit board for textile machine used for processing or handling of fiber material, has spiral-shaped conductors that are connected with upstream diode arrangement for dissipation of electrostatic discharge |
| 12/04/2013 | CN203327249U 多功能无线智能路由器 Multifunction Wireless Intelligent Router |
| 12/04/2013 | CN203327091U Communication call alarming device |
| 12/04/2013 | CN203326877U Double-function simplified voltage stabilization source |
| 12/04/2013 | CN203326600U Low-voltage surge protector |
| 12/04/2013 | CN203326599U High-energy-capacity voltage-limiting device |
| 12/04/2013 | CN203326598U Arc-extinguishing, resonance-eliminating and all-overvoltage inhibiting cabinet |
| 12/04/2013 | CN203326597U Disconnector built-in type overvoltage protection device |
| 12/04/2013 | CN203326596U Phase D hidden and combined type overvoltage protector |
| 12/04/2013 | CN203326595U Surge protector |
| 12/04/2013 | CN203326594U Current-transformer secondary-side open-circuit protective device |
| 12/04/2013 | CN203326593U Common mode and differential mode compatible full-function surge protection device |