| Patents for H02H 3 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal electric working condition, with or without subsequent reconnection (33,031) |
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| 10/08/2008 | CN101281837A Modularization aftercurrent actuating protector |
| 10/08/2008 | CN100424978C A method of photovoltaic grid-connected inversion |
| 10/08/2008 | CN100424957C Bias bridge type short circuit current limiter |
| 10/08/2008 | CN100424954C Abnormal current determining method, electronic apparatus, and computer program of same |
| 10/08/2008 | CN100424953C Re-switch on method for electric tansmission device |
| 10/07/2008 | US7434143 Method and arrangement for detecting a collision in a communication network |
| 10/07/2008 | US7434100 Systems and methods for replicating virtual memory on a host computer and debugging using replicated memory |
| 10/07/2008 | US7434097 Method and apparatus for efficient fault-tolerant disk drive replacement in raid storage systems |
| 10/07/2008 | US7433170 Apparatus and method of controlling the closing action of a contactor |
| 10/07/2008 | US7432742 System and method for detecting an edge of a data signal |
| 10/07/2008 | US7432692 Circuit and method for changing transient response characteristics of a DC/DC converter module |
| 10/07/2008 | US7432618 Inverter anti-islanding method |
| 10/02/2008 | WO2008116676A1 Error recognition in a control unit |
| 10/02/2008 | WO2008034936A8 Method and apparatus for determining circular characteristic |
| 10/02/2008 | US20080239607 Overload protection delay circuit for switching power supply |
| 10/02/2008 | US20080239606 Combination current sensor and relay |
| 10/02/2008 | US20080239605 Semiconductor device and method for inspecting the same |
| 10/02/2008 | US20080239602 Fast impedance protection technique immune to dynamic errors of capacitive voltage transformers |
| 10/02/2008 | US20080239597 Peak Voltage Protection Circuit and Method |
| 10/02/2008 | US20080239596 Systems and Methods for Testing Ground Fault Detection Circuitry |
| 10/02/2008 | US20080239592 Arc flash elimination system, apparatus, and method |
| 10/02/2008 | US20080238344 Light Emitting Apparatus |
| 10/02/2008 | US20080238191 Power supply unit for use with an aircraft electrical system |
| 10/02/2008 | US20080238159 Heater system for an aircraft seat |
| 10/02/2008 | DE102007022034A1 Electronic circuit i.e. pulse width-modulated controller, monitoring circuit i.e. local interconnect network-transceiver, has capacitor, and electronic circuit including microcontroller supplied with logic operating voltage |
| 10/02/2008 | DE102007014335A1 Fehlererkennung in einem Steuergerät Detecting errors in a control unit |
| 10/01/2008 | EP1976089A2 A fast impedance protection technique immune to dynamic errors of capacitive voltage transformers |
| 10/01/2008 | EP1974431A2 A converter station |
| 10/01/2008 | EP1974430A1 A transmission system |
| 10/01/2008 | EP1974428A2 Electrical switching apparatus including a second trip circuit responding to failure of a first trip circuit to provide a repetitive signal |
| 10/01/2008 | EP1974427A1 Protection unit for an ac/dc low-voltage power supply line |
| 10/01/2008 | CN201126956Y Power-off protector for refrigerator |
| 10/01/2008 | CN201126796Y Static state type inverse time-limit overcurrent relay |
| 10/01/2008 | CN201126754Y Transformer earthing component system in power system for mine |
| 10/01/2008 | CN101277009A Vehicle power supply circuit as well as semiconductor protection control system of electric apparatus electronic equipments |
| 10/01/2008 | CN100423395C Protection apparatus and method for providing protection function in said protection apparatus |
| 10/01/2008 | CN100423394C Method for providing protection function in distribution network |
| 10/01/2008 | CN100423393C Protective circuit |
| 09/30/2008 | US7430696 Zeroing circuit for performance counter |
| 09/30/2008 | US7430101 Overvoltage protection of a frequency converter |
| 09/30/2008 | US7430100 Buffer circuit with enhanced overvoltage protection |
| 09/30/2008 | US7429805 Energy harvesting for wireless sensor operation and data transmission |
| 09/25/2008 | WO2008114650A1 Circuit protection device |
| 09/25/2008 | WO2008113710A1 Method for the automatic adjustment of a protective device having an excess-current release, particularly a low-voltage circuit breaker |
| 09/25/2008 | WO2008113141A1 System for acquisition of data and multiplication of signalling and protection contacts in equipments of substations and electric power plants and similar |
| 09/25/2008 | WO2008086108A3 System and method for circuit overcurrent protection |
| 09/25/2008 | WO2008005709A3 Over voltage protection circuit for gfci devices |
| 09/25/2008 | US20080234879 Ground fault interruption using dsp based sspc module |
| 09/25/2008 | US20080232020 Lightning Diverter for Conducting a Lightning-Induced Electrical Current and a Method of Producing the Same |
| 09/25/2008 | US20080232019 Decoupling capacitor control circuit and method for enhanced ESD performance |
| 09/25/2008 | US20080232018 Control Circuit with Short-circuit Protection for Current Sense Terminal of Power Converters |
| 09/25/2008 | US20080232016 Power control circuit with alarm |
| 09/25/2008 | US20080232015 Circuit abnormality determining apparatus and method |
| 09/25/2008 | US20080232007 Leakage current protection device |
| 09/25/2008 | CA2680861A1 Circuit protection device |
| 09/24/2008 | EP1973212A2 Ground fault interruption using DSP based SSPC module |
| 09/24/2008 | EP1972045A1 Receptacle providing sustained excessive voltage protection |
| 09/24/2008 | EP1352335A4 Method and system for implementing ospf redundancy |
| 09/24/2008 | CN201122941Y Switching value output circuit with overflowing protection function |
| 09/24/2008 | CN201122833Y Micro-controlled electricity-saving protection device |
| 09/24/2008 | CN201122832Y Power supply control system |
| 09/24/2008 | CN201122737Y Energy-saving computer extension cord |
| 09/24/2008 | CN101273507A System and method for protecting IC components |
| 09/24/2008 | CN101272048A Vehicle mounted intelligent relay |
| 09/24/2008 | CN101272047A Five-in-one intelligent digital general air conditioner protector |
| 09/24/2008 | CN101272017A All-powerful leakage protection socket |
| 09/24/2008 | CN100421329C Independent operation detecting apparatus and control method of the same |
| 09/24/2008 | CN100421326C Method for different protection using wave-shaping method |
| 09/23/2008 | US7428134 Energy pathway arrangements for energy conditioning |
| 09/23/2008 | US7428133 Protection device of a surge protector |
| 09/23/2008 | US7428132 Protection device with lockout test |
| 09/23/2008 | US7428131 Safety shield for use with different diameter racking rods and an adaptor for use therewith |
| 09/23/2008 | US7427842 Series motor and method of controlling the same |
| 09/23/2008 | CA2292856C Electronic driving circuit for a bistable actuator |
| 09/18/2008 | WO2008110540A2 Switch, especially fuse switch disconnector, and overvoltage protector for said disconnector |
| 09/18/2008 | WO2008091648A3 Structure and method for self protection of power device |
| 09/18/2008 | US20080228678 Real time backup system for computer users |
| 09/18/2008 | US20080225457 Safety Switching Device for Setting a Safety-Related Device to a Safe State |
| 09/18/2008 | US20080225454 Reverse Voltage Protected Integrated Circuit Arrangement for Multiple Supply Lines |
| 09/18/2008 | US20080225453 Breaker control system using power frequency carrier |
| 09/18/2008 | US20080225452 Advanced Feeder Architecture With Automated Power Restoration |
| 09/18/2008 | US20080225448 Ground fault circuit interrupter |
| 09/18/2008 | US20080225445 Arc-discharge protection device with temperature detection mode |
| 09/18/2008 | US20080225444 Arc-discharge detection device |
| 09/18/2008 | DE19957423B4 Vorrichtung zum Schutz von elektrischen Verbrauchern Device for protection of electrical loads |
| 09/17/2008 | EP1970717A2 Circuit and method for supplying voltage to electroluminescent foils |
| 09/17/2008 | EP1415389B1 Neutral pole location independent earth leakage detection circuit |
| 09/17/2008 | CN201118963Y Multi-sound channel electronic tube amplifier power circuit |
| 09/17/2008 | CN201118280Y Low-voltage electric network automatic monitoring system |
| 09/17/2008 | CN201118279Y Electric power line wire breaking protecting multilevel switch device |
| 09/17/2008 | CN201118269Y Charging overvoltage protection circuit |
| 09/17/2008 | CN201118258Y DC panel integrated control device |
| 09/17/2008 | CN201118216Y Low-voltage filter arrangement protector |
| 09/17/2008 | CN201118212Y Protector for three phase uninterrupted power supply output short circuit |
| 09/17/2008 | CN201118201Y Electric eddy speed damper controller over current protection circuit |
| 09/17/2008 | CN201118199Y Electric current earthing centralized monitoring apparatus |
| 09/17/2008 | CN201118198Y Electric shock security circuit capable of automatically resetting |
| 09/17/2008 | CN201118197Y Alternating current voltage under-voltage releasing equipment control circuit |
| 09/17/2008 | CN201118196Y Direct current voltage relay |
| 09/17/2008 | CN201118195Y Live wire and zero line reverse connection automatic correcting device |