| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 03/19/2009 | US20090073618 Surge absorbing circuit capable of reducing a clamping voltage with a great extent |
| 03/19/2009 | DE102007043512A1 Energiewandleranlage Energy conversion system |
| 03/18/2009 | EP2037559A2 Apparatus omitting arcs at the plug-in contacts when cutting off an DC/AC converter from a DC source |
| 03/18/2009 | EP1105969B1 Electronic circuits with wide dynamic range of on/off delay time |
| 03/18/2009 | CN201210711Y Entire appliance safety protection device for flat-plate television set |
| 03/18/2009 | CN201210616Y Wideband feed-through surge protector |
| 03/18/2009 | CN201210560Y Multifunctional energy saving socket |
| 03/18/2009 | CN101388547A Electrostatic release method and device for electric automobile |
| 03/18/2009 | CN101388546A Protection circuit, method and system using the protection circuit |
| 03/18/2009 | CN101388541A Automobile air conditioner control panel reference supply protecting equipment |
| 03/18/2009 | CN100471356C Static discharge protecting circuit with filtering device |
| 03/18/2009 | CN100470992C Thunder proof protective circuit for Ethernet interface |
| 03/18/2009 | CN100470991C Fault current limiter DC control system |
| 03/18/2009 | CN100470990C Distributor for connecting electric appliance and lighting device |
| 03/18/2009 | CN100470989C Integrated surge current limiter circuit and method |
| 03/18/2009 | CN100470988C Live-line plugging control circuit for pluggable module and control method thereof |
| 03/17/2009 | US7505240 Overcurrent protection device for semiconductor element |
| 03/17/2009 | US7505239 Light emitting device |
| 03/17/2009 | US7505238 ESD configuration for low parasitic capacitance I/O |
| 03/12/2009 | WO2009032070A2 Method and system for limiting a current in an alternating current generator |
| 03/12/2009 | WO2009030639A1 Circuit arrangement for protection against electrostatic charges and method for dissipation thereof |
| 03/12/2009 | US20090067108 Closing resistor for high-voltage circuit breakers |
| 03/12/2009 | US20090067107 Electrostatic Discharge Protective Circuit and Semiconductor Integrated Circuit Using the Same |
| 03/12/2009 | US20090067106 Static electricity discharge circuit |
| 03/12/2009 | US20090067105 Esd protection circuit and method |
| 03/12/2009 | US20090067104 Electrostatic discharge circuit and method therefor |
| 03/12/2009 | US20090067103 Signal circuit and information processing apparatus having the same |
| 03/12/2009 | DE102007042380A1 Overvoltage protection unit for use in switch box and power socket-insert, has circuit board with two thermal fuses and two varistors where circuit board has through-hole or recess at periphery |
| 03/11/2009 | CN201207760Y Switch power supply PCB |
| 03/11/2009 | CN201207740Y Current limiting protection remote control device for ceiling fan lamp |
| 03/11/2009 | CN201207560Y Lightning protection device using overhead insulated wire |
| 03/11/2009 | CN101385215A Power supply unit and controlling method thereof |
| 03/11/2009 | CN101385214A Method and apparatus for protecting a gate oxide using source/bulk pumping |
| 03/11/2009 | CN101383508A Lightning protection circuit and antenna apparatus |
| 03/11/2009 | CN101383507A Electro-static discharging protection circuit |
| 03/11/2009 | CN101383345A Esd protection circuit with coupling capacitor |
| 03/11/2009 | CN101382572A Novel detection device for protector for surge |
| 03/11/2009 | CN100468724C Electrostatic protective circuit and semiconductor integrated circuit using the same |
| 03/11/2009 | CN100468284C Tracking soft start circuit |
| 03/10/2009 | US7501926 Heat sensing electrical receptacle |
| 03/05/2009 | WO2009026606A1 Power dampener for a fault current limiter |
| 03/05/2009 | US20090059454 Current limit protection apparatus and method for current limit protection |
| 03/05/2009 | US20090059453 Semiconductor integrated circuit |
| 03/05/2009 | US20090059452 Method and apparatus for providing electrostatic discharge protection for a power supply |
| 03/05/2009 | US20090059451 Esd protection circuit with improved coupling capacitor |
| 03/05/2009 | US20090059450 Sensing a Current Signal in an Integrated Circuit |
| 03/05/2009 | US20090057768 Electrostatic discharge protection circuit |
| 03/05/2009 | DE102007040875A1 Schaltungsanordnung zum Schutz vor elektrostatischen Entladungen und Verfahren zum Betreiben einer solchen Circuitry to protect against electrostatic discharges and method for operating such |
| 03/05/2009 | CA2697314A1 Power dampener for a fault current limiter |
| 03/04/2009 | EP2031727A2 ARC flash elimination system, apparatus, and method |
| 03/04/2009 | CN201204612Y Communication interface device for programmable logic controller |
| 03/04/2009 | CN201204451Y Intelligent arc-suppression coil plant |
| 03/04/2009 | CN201204450Y Single-phase iron magnetism resonance over voltage restraining device for traction electric power system |
| 03/04/2009 | CN201204449Y Protective-relay device |
| 03/04/2009 | CN201204448Y Thrice wave-stopping device for small user |
| 03/04/2009 | CN201204447Y Power supply with surge current inhibition function |
| 03/04/2009 | CN201204446Y Lightning-protection electrical leakage circuit breaker |
| 03/04/2009 | CN201204445Y Battery protection circuit capable of eliminating protection of lithium battery to ESD |
| 03/04/2009 | CN201204384Y Lightning protection device for overhead conductor |
| 03/04/2009 | CN201204377Y Current-limiting apparatus for laser driver |
| 03/04/2009 | CN101379673A Electrical circuit with incendive arc prevention |
| 03/04/2009 | CN101379672A Apparatus and method for reducing leakage between an input terminal and a power rail |
| 03/04/2009 | CN101378194A Voltage protection circuit |
| 03/04/2009 | CN101378193A Method and apparatus for providing electrostatic discharge protection for a power supply |
| 03/04/2009 | CN101378192A Resistance-grounded system |
| 03/04/2009 | CN101378191A Electrostatic discharge protecting circuit and electronic product using the same |
| 03/04/2009 | CN101378159A Inserting device for surge protector |
| 03/03/2009 | US7499252 Driver circuit |
| 02/27/2009 | CA2599079A1 Solid state power controller with lightning protection |
| 02/26/2009 | US20090052102 Semiconductor device |
| 02/26/2009 | US20090052101 Path sharing high-voltage esd protection using distributed low-voltage clamps |
| 02/26/2009 | US20090052100 Method of forming an esd detector and structure therefor |
| 02/26/2009 | US20090052099 Hybrid Circuit for Circuit Protection and Switching |
| 02/26/2009 | US20090052097 Hybrid-type superconducting fault current limiter |
| 02/26/2009 | US20090051393 Low side driver |
| 02/26/2009 | DE102007038434A1 Verfahren zum Betreiben einer elektrischen Schaltung sowie elektrische Schaltung zur Verminderung von Überspannungen an von Wechselrichtern gespeisten Lasten A method of operating an electrical circuit and electrical circuit for reducing overvoltages across fed by inverters loads |
| 02/26/2009 | DE102007030653A1 Überspannungsschutzelement An overvoltage protection element |
| 02/25/2009 | EP2028741A2 Hybrid-type superconducting fault current limiter |
| 02/25/2009 | CN201199693Y ADSL router against lightning strike |
| 02/25/2009 | CN201199633Y Neutral point great current earthing DC insulation control cabinet |
| 02/25/2009 | CN201199350Y Serial port static protector |
| 02/25/2009 | CN101375480A Flameproof apparatus using non-grounded energy-limiting barrier |
| 02/25/2009 | CN101373895A Hybrid-type superconducting fault current limiter and method for limiting fault current |
| 02/25/2009 | CN101373894A Electrostatic discharge protecting circuit |
| 02/25/2009 | CN101373197A Method and apparatus for on-line monitoring over voltage |
| 02/25/2009 | CN100464476C Superconducting hybrid current limiting switch |
| 02/24/2009 | US7495876 Circuit breaker integral temperature monitoring for advance detection of defective power conductor connections |
| 02/24/2009 | US7495874 Methods and systems for semiconductor diode junction protection |
| 02/24/2009 | US7495873 Electrostatic discharge protection in a semiconductor device |
| 02/24/2009 | US7495872 Semiconductor unit |
| 02/19/2009 | WO2008116428A3 Method of improvement of earth-fault protection reliability and applicable wiring diagram |
| 02/19/2009 | US20090046404 Overcurrent limitation and output short-circuit protection circuit, voltage regulator using overcurrent limitation and output short-circuit protection circuit, and electronic equipment |
| 02/19/2009 | US20090046401 Method and apparatus of providing 2-stage esd protection for high-speed interfaces |
| 02/19/2009 | US20090046400 Fault Protection Device with Group Trip Delay and Method |
| 02/19/2009 | DE202007018606U1 Kurzschlussbegrenzungsvorrichtung in einer Niederspannungsanlage Short-circuit limiting device in a low voltage system |
| 02/19/2009 | DE102008034508A1 Integrierter Thermistor und Vorrichtung mit metallischem Element und Verfahren Included thermistor and apparatus with metallic element and method |
| 02/19/2009 | DE102007036727A1 Aktive Clampingschaltung für einen Leistungshalbleiterschalter Active clamping circuit for a power semiconductor switch |
| 02/18/2009 | EP2025049A1 Over-current protection device with additional mechanical trip, preferably implemented as a trip bolt, for use in over-voltage protection devices |
| 02/18/2009 | EP2024627A1 Device for controlling an ultrasound piezoelectric injector |
| 02/18/2009 | CN201197077Y Once harmonic elimination apparatus for 35KV switch apparatus |