| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 03/05/2008 | CN100373731C Lightningproof circuit and immersion type piezoresistance liquid level transmitter with the same |
| 03/04/2008 | US7339775 Overcurrent protection circuit and DC power supply |
| 03/04/2008 | US7339773 Method for driving a semiconductor switch and circuit configuration with a semiconductor switch |
| 03/04/2008 | US7339772 Hot-swap protection circuit |
| 03/04/2008 | US7339771 Electrostatic protection circuit |
| 02/28/2008 | WO2008024047A1 Active lightning protection |
| 02/28/2008 | US20080049458 Environmentally hardened ethernet switch |
| 02/28/2008 | US20080049368 Overvoltage protection for a coaxial connector |
| 02/28/2008 | US20080049365 N-channel esd clamp with improved performance |
| 02/28/2008 | US20080048667 Input detecting circuit used for electric-leakage protection devices with self-diagnostic fucntion |
| 02/27/2008 | EP1667875B1 Polarized circuit arrangement for a motor vehicle |
| 02/27/2008 | CN201029204Y Lightning-proof and overvoltage-proof circuit used for double-feeding wind power generating system |
| 02/27/2008 | CN101132134A Three-phase distribution capacitive current compensation arc-extinguishing system |
| 02/27/2008 | CN101132131A Inductance regulation type self-tuning arc-extinguishing pressure-limiting device |
| 02/27/2008 | CN100372203C Electrophoresis protector |
| 02/27/2008 | CN100372202C Circuit for restraining surge current |
| 02/27/2008 | CN100372118C ESD protection circuit |
| 02/26/2008 | US7336474 Microelectromechanical devices |
| 02/26/2008 | US7336468 Arrangement for energy conditioning |
| 02/26/2008 | US7336467 Energy pathway arrangement |
| 02/26/2008 | US7336460 Protection of an integrated circuit against electrostatic discharges |
| 02/26/2008 | US7336457 Ground fault circuit interrupter (GFCI) end-of-life (EOL) status indicator |
| 02/21/2008 | WO2008022089A2 Surge suppression system for power over network cables |
| 02/21/2008 | WO2008021279A2 Adaptive transient blocking unit |
| 02/21/2008 | WO2008020808A1 Signal generation unit and method to generate a data signal in a control unit of a power system device |
| 02/21/2008 | WO2007146557A3 Programmable electrostatic discharge (esd) protection device |
| 02/21/2008 | US20080043394 Receptacle energized state indicator and circuit breaker trip apparatus |
| 02/21/2008 | US20080043390 Electrostatic discharge protection circuit and semiconductor device |
| 02/21/2008 | US20080043389 Circuit Arrangement and Method for the Protection of a Circuit Against Electrostatic Discharges |
| 02/21/2008 | US20080043388 High Frequency Integrated Circuit |
| 02/21/2008 | US20080042686 Electrostatic discharge protection circuit and terminating resistor circuit |
| 02/21/2008 | US20080042206 Integrated circuit device having input/output electrostatic discharge protection cell equipped with electrostatic discharge protection element and power clamp |
| 02/21/2008 | DE102006036546A1 Kapazitätsladestrombegrenzungseinrichtung, Ladungspumpenanordnung, Verfahren zum Begrenzen eines Ladestromes an einer Ladungspumpe und Verfahren zum Begrenzen des Ladestromes an einen Kondensator Capacitance charging current-limiting device, the charge pump arrangement, method of limiting a charging current to a charge pump and method for limiting the charging current to a capacitor |
| 02/20/2008 | CN201025710Y Antenna controller with arrester |
| 02/20/2008 | CN201025692Y Electronic energy saver |
| 02/20/2008 | CN101127440A Complex superconducting fault current limiter |
| 02/20/2008 | CN100370670C Overvoltage protecting device based on hollow electrode |
| 02/20/2008 | CN100370669C Overvoltage protecting device under vacuum environment |
| 02/20/2008 | CN100370668C Current-limiting circuit |
| 02/20/2008 | CN100370667C Fault current limiting circuit |
| 02/19/2008 | US7333312 ESD device with low trigger voltage and low leakage |
| 02/19/2008 | US7333311 Method and structure for AC coupled insitu ESD protection |
| 02/19/2008 | US7332748 Electro-static discharge protection device |
| 02/14/2008 | WO2005043955A3 Electronic lighting ballast |
| 02/14/2008 | US20080037193 Adaptive transient blocking unit |
| 02/14/2008 | US20080037192 Connection apparatus |
| 02/14/2008 | US20080037191 Overvoltage Protection Device with Improved Interrupting Capacity |
| 02/14/2008 | US20080037189 ESD Protective Circuit Having Low Leakage Current |
| 02/14/2008 | US20080037188 Surge suppression system for power over network cables |
| 02/14/2008 | DE102006062756A1 Connecting strip for e.g. telecommunication technology, has contact units with bracket aligned towards housing upper side and arranged below trench, and plastic pins provided parallel to contact for contacting printed circuit board |
| 02/14/2008 | DE102006032973B3 Supraleitende Strombegrenzereinrichtung von resistiven Typ mit Halteelement Superconducting current limiter device of the resistive type with retaining element |
| 02/14/2008 | DE102006032972B3 Resistive superconductor current limiter, to protect components against overheating, has a superconductor ribbon in a coil together with corrugated insulation ribbons of different shapes |
| 02/13/2008 | EP1886393A2 Overvoltage protection and electronic circuit comprising such a device |
| 02/13/2008 | EP1250741B1 Inrush current limiting circuit, power source device and power conversion device |
| 02/13/2008 | CN201022149Y Integrated non wiring controllable silicon phase conversion protection part |
| 02/13/2008 | CN201022148Y Over-voltage virtual grounding protection device for power grid parts |
| 02/13/2008 | CN101123350A An integrated power-saving protection control system |
| 02/13/2008 | CN100368814C System for monitoring resistance of electric fuse |
| 02/12/2008 | US7330344 Method for driving actuators |
| 02/12/2008 | US7330343 Current-limiting protection circuit for a power supply |
| 02/12/2008 | US7330342 Safety tester having a high-voltage switching relay protected by an in-line electronic circuit breaker |
| 02/07/2008 | US20080031014 Ac/Dc Converter Comprising Plural Converters in Cascade |
| 02/07/2008 | US20080030913 Power semiconductor device |
| 02/07/2008 | US20080030910 Self protecting output stage |
| 02/07/2008 | US20080030293 DC-DC converter |
| 02/07/2008 | DE102006039592A1 Verfahren zur Beurteilung einer Halbleiterschaltung A method for evaluating a semiconductor circuit |
| 02/06/2008 | CN201018518Y Ethernet power supply overvoltage protector |
| 02/06/2008 | CN201018282Y Automatic switching filter device |
| 02/06/2008 | CN201018279Y Arc extinguishing and over-voltage protection device |
| 02/06/2008 | CN201018278Y Insertion direct connection type surge protector |
| 02/06/2008 | CN201018277Y Three-in-one lightning protection device dedicated for video monitoring system |
| 02/06/2008 | CN201018276Y Instant starting buffers of motor device |
| 02/06/2008 | CN201018193Y 35KV controlled discharge type circuit overvoltage protector |
| 02/06/2008 | CN201018128Y Energy-saving radiationproof plug dedicated for computer |
| 02/06/2008 | CN201018122Y Lightning protection plug |
| 02/06/2008 | CN201018120Y Fixed connection anti-surge voltage plug and socket |
| 02/06/2008 | CN201018119Y Fixed connection anti-surge voltage plug and socket |
| 02/06/2008 | CN201018118Y High-low electric potential connection fixed plug and socket |
| 02/06/2008 | CN201018020Y Lightning protection terminal |
| 02/06/2008 | CN101119028A Electrical source input overvoltage protection circuit |
| 02/06/2008 | CN101119027A Overcurrent protection circuit |
| 02/06/2008 | CN100367618C Predetermined symmetrically balanced amalgam with complementary paired portions comprising shielding electrodes and shielded electrodes and other predetermined element portions for symmetrically balan |
| 02/06/2008 | CN100367595C Static exciter inrush current inhibition method and apparatus |
| 02/05/2008 | US7327544 Battery protection device |
| 02/05/2008 | US7327542 Current limiter for limiting current in case of a fault |
| 02/05/2008 | US7327541 Operation of dual-directional electrostatic discharge protection device |
| 02/05/2008 | US7326964 Light emitting diode package with protective function against electrostatic discharge |
| 01/31/2008 | US20080026946 Superconducting Fault-Current Limiting Element and the Process for Producing the Same |
| 01/31/2008 | US20080024951 Apparatus and method for reducing EMI generated by a power conversion device |
| 01/31/2008 | US20080024948 Electrical device and battery pack |
| 01/31/2008 | US20080024947 Electrostatic discharge guide and liquid crystal display utilizing same |
| 01/31/2008 | US20080024946 Electrostatic protective circuit and semiconductor device |
| 01/31/2008 | DE10307006B4 Schaltungsanordnung zur Steuerung des Einschaltstromes eines anschließbaren elektrischen Verbrauchers Circuit arrangement for controlling the inrush current of an electrical consumer connectible |
| 01/31/2008 | DE102006035046A1 Electrical/electronic central device for building system engineering, has protection device implemented as switching arrangement and including main switching part implemented as power supply voltage fixed current limiting stage |
| 01/30/2008 | EP1883179A1 Communication system for hazardous environments |
| 01/30/2008 | EP1883142A1 Communication line protection |
| 01/30/2008 | CN201015167Y Communication power supply DC port lightning protection device |
| 01/30/2008 | CN201015166Y Signal lightning protection type automatic reclosed switch |
| 01/30/2008 | CN101114770A Eliminating harmonic bridge circuit type high temperature superconducting malfunction current limiter |
| 01/30/2008 | CN100365901C Circuit for displaying exception of three-phase shock wave absorber and multi-end fuse |