| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 09/08/2009 | US7586727 Inrush current limiting switching circuit for power supply |
| 09/08/2009 | US7586725 Method of providing a secondary means of overload protection and leakage current protection in applications using solid state power controllers |
| 09/08/2009 | US7586724 Adaptive current limiter for wireless modem |
| 09/08/2009 | US7586721 ESD detection circuit |
| 09/08/2009 | US7586719 GFCI failure indicator |
| 09/08/2009 | CA2424857C Method and apparatus for neutralizing stray current impulses |
| 09/03/2009 | WO2009108467A1 Multiple-channel active sensing and switching device |
| 09/03/2009 | WO2009106425A1 Monitoring device |
| 09/03/2009 | WO2009085363A3 Ic disabling circuit |
| 09/03/2009 | US20090219658 Electrostatic Discharge (ESD) Protection Circuit |
| 09/03/2009 | US20090219657 Trenched mosfets with improved gate-drain (GD) clamp diodes |
| 09/03/2009 | US20090219654 Two Level Current Limiting Power Supply System |
| 09/02/2009 | EP2095697A2 Mapped nodes in a wire network providing power/communication&load identification |
| 09/02/2009 | EP2095143A1 Method and circuit for low-power detection of solder-joint network failures in digital electronic packages |
| 09/02/2009 | CN201303249Y Anti-lightning circuit |
| 09/02/2009 | CN101523683A Distributed electrostatic discharge protection circuit with varying clamp size |
| 09/02/2009 | CN101521579A Lightning protective ADSL router |
| 09/02/2009 | CN101521484A Flameproof four-quadrant variable frequency speed governor |
| 09/02/2009 | CN101521384A Static low-voltage reactive power automatic compensation device |
| 09/02/2009 | CN101521375A Overvoltage protective device |
| 09/02/2009 | CN101521374A Short-circuit current limiting device of magnetic saturation reactor |
| 09/02/2009 | CN101521373A Device and method for limiting short-circuit current |
| 09/02/2009 | CN101521372A Integrated circuit with electrostatic discharge protecting circuit |
| 09/02/2009 | CN101521340A Double-electrical socket outlet assembly device capable of controlling remote power supply |
| 09/02/2009 | CN101521128A Device for protecting against voltage surges comprising selective disconnection means |
| 09/02/2009 | CN100536056C Safety switching device and method for failsafe shutdown of an electric load |
| 09/01/2009 | US7583485 Electrostatic discharge protection circuit for integrated circuits |
| 09/01/2009 | US7583484 Circuit and method for ESD protection |
| 08/27/2009 | WO2009103896A2 Protection device against overvoltage including a disconnection accessory |
| 08/27/2009 | US20090213677 Memory Cell Array |
| 08/27/2009 | US20090213514 Galvanic isolator |
| 08/27/2009 | US20090213512 Over-voltage protection circuit |
| 08/27/2009 | US20090213509 System and method for mitigating an electrical arc fault |
| 08/27/2009 | US20090213508 ESD protection for high-voltage-tolerance open-drain output pad |
| 08/27/2009 | US20090213507 System and method of electrostatic discharge protection for signals at various voltages |
| 08/27/2009 | US20090213506 Resistor triggered electrostatic discharge protection |
| 08/27/2009 | DE19823446B4 Baugruppe zum Schutz von Telekommunikationseinrichtungen gegen Überspannungen Module for the protection of telecommunication equipment against surges |
| 08/26/2009 | EP2093853A1 A method and an apparatus for reducing inrush currents for railways |
| 08/26/2009 | EP2092624A1 Power supplies |
| 08/26/2009 | CN201297599Y 短路自恢复矿灯保护器 Short circuit protection self-recovery miner |
| 08/26/2009 | CN201297598Y Mine lamp protector |
| 08/26/2009 | CN101515750A Current level change protection and control device for current supply |
| 08/26/2009 | CN101515718A Remote alarm method and a system of a surge protector |
| 08/26/2009 | CN101515717A Motor drive circuit with instant high-voltage protection |
| 08/26/2009 | CN101515714A Kickback voltage suppression circuit |
| 08/26/2009 | CN100533908C Power arrester |
| 08/26/2009 | CN100533907C Protection device for apparatus carrying load current |
| 08/26/2009 | CN100533906C A protection system for medium-voltage potential transformers |
| 08/26/2009 | CN100533898C Circuit interrupting device and system utilizing bridge contact mechanism and reset lockout |
| 08/26/2009 | CN100533897C Apparatus for high surge voltage protection |
| 08/25/2009 | US7580234 Single threshold current surge limiter circuit with disable function |
| 08/25/2009 | US7580233 Protecting circuits from electrostatic discharge |
| 08/25/2009 | US7580232 Arc detection system and method |
| 08/25/2009 | US7579707 Discharge prevention circuit and electronic equipment provided with the discharge prevention circuit |
| 08/20/2009 | WO2009102398A1 Transient blocking unit using normally-off device to detect current trip threshold |
| 08/20/2009 | WO2009101269A1 Voltage step-up circuit |
| 08/20/2009 | US20090207545 Protection circuit with variable current level limits |
| 08/20/2009 | US20090207542 Voltage surge protection device and electronic circuit comprising one such a device |
| 08/20/2009 | US20090207541 Power strip having surge protective devices |
| 08/20/2009 | US20090207540 Power strip having surge protective circuit |
| 08/20/2009 | US20090207539 I/o circuit |
| 08/20/2009 | US20090207538 Electrostatic discharge protection circuit |
| 08/20/2009 | DE202008005085U1 Elektrische Schaltung mit einem Mittel zur Signalisierung Electrical circuit having a means for signaling |
| 08/19/2009 | EP2091123A2 An earthing arrangement for a DC electrical system and a method of operating an earthing arrangement for a DC electrical system |
| 08/19/2009 | EP2091054A2 An electromagnetic current limiter device |
| 08/19/2009 | EP1794860A4 Devices and systems for electrostatic discharge suppression |
| 08/19/2009 | CN201294654Y Sharing type antistatic protection circuit for LED unit matrix |
| 08/19/2009 | CN201294391Y Intrinsic safe power supply for colliery downhole equipment |
| 08/19/2009 | CN201294379Y Capacitance-adjusting type arc-suppression coil automatic tracking and compensating device for electric power system |
| 08/19/2009 | CN201294378Y Switch arc-extinguishing and over-voltage protection |
| 08/19/2009 | CN201294377Y Quarter-wave wide band feeder line surge protector |
| 08/19/2009 | CN201294354Y Household metering electricity-saving distributor box |
| 08/19/2009 | CN201294330Y Automatic weather station signal line arrester |
| 08/19/2009 | CN201294126Y Inserting/pulling type metal-oxide lighting arrester |
| 08/19/2009 | CN201293932Y Multifunctional mongline power supply control circuit |
| 08/19/2009 | CN201293262Y Scene complementing street lamp |
| 08/19/2009 | CN101513133A Lightning arrester, structure pillar having lightning arresting function, and reduction method of lightning surge voltage |
| 08/19/2009 | CN101512862A Current limiter of short circuit current |
| 08/19/2009 | CN101510688A Device for restraining power cord electromagnetic interference with lightning surge protection |
| 08/19/2009 | CN101510681A Multipath high-energy electric impulse synchronous discharge system |
| 08/19/2009 | CN101510657A Elongation line device with surge protection means |
| 08/19/2009 | CN101510656A Elongation line device with surge protection circuit |
| 08/19/2009 | CN100530886C Signal lighting protection circuit |
| 08/19/2009 | CN100530885C A protection device for preventing the flow of undesirable differential mode transients |
| 08/19/2009 | CN100530730C Cylindrically shaped superconductor component and its use as resistive current limiter |
| 08/19/2009 | CN100530536C System for decharging a wafer, electrostatic adsorbing device and integrated circuit manufacture method |
| 08/18/2009 | US7577534 Risk assessment of metal vapor arcing |
| 08/18/2009 | US7576964 Overvoltage protection circuit of output MOS transistor |
| 08/18/2009 | US7576961 Electrostatic discharge protection circuit using triple welled silicon controlled rectifier |
| 08/18/2009 | US7576960 Circuit protection device with automatic monitoring of operation fault |
| 08/18/2009 | US7576525 Supply power control with soft start |
| 08/13/2009 | WO2009099663A1 Method and apparatus for controlling a notification appliance circuit |
| 08/13/2009 | WO2009052517A3 Surge suppression device having one or more rings |
| 08/13/2009 | US20090201619 Method and apparatus for an in-rush current limiting circuit |
| 08/13/2009 | US20090201618 Power supply circuit, overcurrent protection circuit for the same, and electronic device |
| 08/13/2009 | US20090201617 Circuit breaker |
| 08/13/2009 | US20090201616 Circuit having low operating voltage for protecting semiconductor device from electrostatic discharge |
| 08/13/2009 | US20090201615 Method and apparatus for esd protection |
| 08/13/2009 | CA2714487A1 Method and apparatus for controlling a notification appliance circuit |
| 08/12/2009 | EP2088606A2 Circuit breaker |