| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/15/2009 | CN100514791C Resistive superconducting fault current limiter |
| 07/14/2009 | US7561399 Excessive surge protection method and apparatus |
| 07/14/2009 | US7561397 Limited current circuit for electro-luminescent lamp inverter |
| 07/14/2009 | US7561394 System and method for overvoltage protection |
| 07/14/2009 | US7561392 Intrinsically safe data transmission device |
| 07/14/2009 | US7561390 Protection circuit in semiconductor circuit device comprising a plurality of chips |
| 07/14/2009 | US7561389 Alternating-current voltage output apparatus |
| 07/14/2009 | US7561387 Current transformer including a low permeability shunt and a trip device employing the same |
| 07/14/2009 | US7560948 Circuit for minimizing or eliminating pulse anomalies in human body model electrostatic discharge tests |
| 07/14/2009 | US7560778 Charge modulation network for multiple power domains for silicon-on-insulator technology |
| 07/09/2009 | WO2009067673A3 Adaptive electrostatic discharge (esd) protection of device interface for local interconnect network (lin) bus and the like |
| 07/09/2009 | WO2009067672A3 Adaptive electrostatic discharge (esd) protection of device interface for local interconnect network (lin) bus and the like |
| 07/09/2009 | US20090174975 Two-way electrostatic discharge protection circuit |
| 07/09/2009 | US20090174974 Embedded type multifunctional integrated structure for integrating protection components and method for manufacturing the same |
| 07/09/2009 | US20090174973 Migfet circuit with esd protection |
| 07/09/2009 | DE202008002736U1 Überwachungseinrichtung Monitoring device |
| 07/09/2009 | DE102007055071B3 Kurzschlussbegrenzungsvorrichtung in einer Niederspannungsanlage Short-circuit limiting device in a low voltage system |
| 07/08/2009 | EP2076947A1 Overvoltage protection device |
| 07/08/2009 | CN201270415Y Surge protection circuit |
| 07/08/2009 | CN201270414Y Network interface circuit |
| 07/08/2009 | CN101478152A Three phase five post direct adjusting inductor type arc-suppression coil |
| 07/08/2009 | CN101478151A Voltage detection and control circuit |
| 07/07/2009 | US7558039 Method, apparatus, and computer program product for detecting excess current flow in a pluggable component |
| 07/07/2009 | US7558038 Field upgradeable circuit breaker firmware and programmer therefor |
| 07/07/2009 | US7558037 Over current protection circuit and method |
| 07/07/2009 | US7558036 High speed lightning regulator circuit with self test attributes |
| 07/07/2009 | US7558034 Bi-directional ground fault circuit interrupter |
| 07/07/2009 | US7558033 Arc fault circuit interrupter and method of parallel and series arc fault detection |
| 07/07/2009 | US7558032 Protection system for medium-voltage potential transformers |
| 07/07/2009 | US7558030 Resistive superconducting fault current limiter |
| 07/07/2009 | US7557548 Safety barrier device employing an overload protection circuit for limiting current or voltage or current and voltage |
| 07/02/2009 | WO2009080382A1 Method for operating a dc-dc converter |
| 07/02/2009 | WO2009059044A3 Surge protection circuit for passing dc and rf signals |
| 07/02/2009 | US20090168290 Battery clip wtih integrated microprocessor reset switch and method of operating |
| 07/02/2009 | US20090168282 Esd protection circuit |
| 07/02/2009 | US20090168281 Electrostatic discharge leading circuit |
| 07/02/2009 | US20090168280 Electrostatic discharge avoiding circuit |
| 07/02/2009 | US20090168279 ESD protection circuit with gate voltage raising circuit |
| 07/02/2009 | US20090168278 Circuit device and method of supressing a power event |
| 07/02/2009 | US20090168274 Method and system of providing overload and short-circuit protection for switched mode power supply |
| 07/02/2009 | US20090167266 fault protection circuit, method of operating a fault protection circuit and a voltage regulator employing the same |
| 07/02/2009 | DE102008054502A1 ESD Schutzschaltung ESD protection circuit |
| 07/02/2009 | DE102007063592A1 Kontaktelement Contact member |
| 07/01/2009 | EP2075823A1 Current change limiting device |
| 07/01/2009 | CN201266837Y Automatic tracking compensation arc-extinguishing device for embedded work control model with touch screen |
| 07/01/2009 | CN201266836Y Overvoltage protector and integrated overvoltage protector combination |
| 07/01/2009 | CN101471563A LED series-feed protection circuit |
| 07/01/2009 | CN100508324C Middle frequency feedback surge protector |
| 07/01/2009 | CN100508323C Signal lightning protection circuit |
| 07/01/2009 | CN100508322C Protection circuit for an integrated circuit device |
| 06/30/2009 | US7554785 Lightning damage protection for composite aircraft |
| 06/30/2009 | US7554783 High-power foldback mechanism in system for providing power over communication link |
| 06/30/2009 | US7554779 Distributed power supply circuit |
| 06/30/2009 | US7554159 Electrostatic discharge protection device and method of manufacturing the same |
| 06/25/2009 | US20090161283 Arrangements for Energy Conditioning |
| 06/25/2009 | US20090161279 Output circuits |
| 06/25/2009 | US20090161278 Short-circuit protection circuit |
| 06/25/2009 | US20090161276 ESD Configuration for Low Parasitic Capacitance I/O |
| 06/25/2009 | US20090161274 Electrostatic discharge prevention circuits |
| 06/25/2009 | US20090161272 Arc detection system and method |
| 06/25/2009 | DE112007001923T5 Signalerzeugungseinheit und Verfahren zum Erzeugen eines Datensignals in einer Steuereinheit einer Stromversorgungseinrichtung Signal generation unit and method for generating a data signal in a control unit of a power supply device |
| 06/25/2009 | DE102007061984A1 Haushaltsgerät mit einem Hubmagneten Domestic appliance with a solenoid |
| 06/24/2009 | EP2072393A1 Electrical system for floating installation, in particular offshore vessel, with a feeding comprising a combined transformer for resistance grounding and transformer pre-magnetization |
| 06/24/2009 | EP1743347A4 Emi filter terminal assembly with wire bond pads for human implant applications |
| 06/24/2009 | CN201263088Y Epoxy resin pouring magnetic valve type continuous adjustable arc-suppression coil |
| 06/24/2009 | CN201263087Y Power source lightning-protection module |
| 06/24/2009 | CN201263086Y DC power supply and lightning protection circuit for the same |
| 06/24/2009 | CN201263085Y Over current protection unit of washing machine |
| 06/24/2009 | CN101465541A Generator lightning protection protective system for wind generating set |
| 06/24/2009 | CN101465540A Protection circuit for automobile power supply |
| 06/24/2009 | CN100505468C Capacity voltage dropping surge absorption circuit |
| 06/24/2009 | CA2646522A1 Current change limiting device |
| 06/23/2009 | US7551417 Thin film circuit substrate, piezoelectric speaker device, display device, and sound-generating display device |
| 06/23/2009 | US7551414 Electrostatic discharge series protection |
| 06/23/2009 | US7551413 Transient triggered protection of IC components |
| 06/23/2009 | US7551412 Wiring fault correction circuit |
| 06/23/2009 | US7551410 Superconductor current limiting system and method |
| 06/18/2009 | WO2009076431A1 Impedance compensated esd circuit for protection for high-speed interfaces and method of using the same |
| 06/18/2009 | US20090154050 Spark gap apparatus and method for electrostatic discharge protection |
| 06/18/2009 | US20090154049 Network equipment system providing surge protection and DC blocking bypass functionalities |
| 06/18/2009 | US20090154045 Power supply system and method |
| 06/18/2009 | US20090154044 Surge protector device with simultaneously-triggered spark gaps in parallel |
| 06/18/2009 | US20090154040 Memory card with electrostatic discharge protection and manufacturing method thereof |
| 06/18/2009 | US20090154039 Overvoltage protection circuit and electronic device comprising the same |
| 06/18/2009 | US20090154038 Impedance compensated esd circuit for protection for high-speed interfaces and method of using the same |
| 06/18/2009 | US20090154037 Design structures for electrostatic discharge protection for bipolar semiconductor circuitry |
| 06/18/2009 | US20090154036 Electrostatic discharge circuit |
| 06/18/2009 | US20090154035 ESD Protection Circuit |
| 06/18/2009 | US20090154034 Motor drive with low leakage surge protection |
| 06/18/2009 | DE202009005420U1 Elektronischer Schutzschalter Electronic circuit breaker |
| 06/18/2009 | DE102008047444A1 Systemsteuervorrichtung System controller |
| 06/18/2009 | DE102007058877A1 Strombegrenzungsschaltung Current limiting circuit |
| 06/17/2009 | EP2071815A1 Protection for xDSL circuits |
| 06/17/2009 | EP2071690A2 Overvoltage protection circuit and electronic device comprising the same |
| 06/17/2009 | CN201260077Y Arc extinguishing device grounded through high frequency damp element |
| 06/17/2009 | CN201260076Y Arc extinguishing coil cabinet |
| 06/17/2009 | CN201260075Y Protection device for high voltage output unbalance to the ground |
| 06/17/2009 | CN201260074Y Device for preventing USB surge voltage generation |
| 06/17/2009 | CN101461113A Over-current protection device with additional mechanical trip, preferably implemented as a trip bolt, for use in over-voltage protection devices |
| 06/17/2009 | CN101461112A Solid state pre-charge module |