| 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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| 07/23/2008 | CN101227078A Overcurrent protection circuit of frequency control motor |
| 07/23/2008 | CN101227076A Fault self-checking circuit of earthing fault breaker |
| 07/23/2008 | CN101227075A Low-voltage breaker with high voltage open-phase protection |
| 07/23/2008 | CN101227074A Method for making earth leakage protection without action dead region and breaker thereof |
| 07/23/2008 | CN101227044A New type electric leakageproof socket |
| 07/23/2008 | CN101226822A Toroid and differential detection device |
| 07/23/2008 | CN100405729C Power supply with surge voltage control functions |
| 07/23/2008 | CN100405685C Device and method for detecting an earth fault and relay with such a device |
| 07/23/2008 | CN100405684C Arc discharge protector |
| 07/23/2008 | CN100405683C Method for determining the moment of closure of a circuit breaker on a high voltage line |
| 07/23/2008 | CN100405495C Optical recording medium and deficiency management method |
| 07/22/2008 | US7404112 Data selection circuit for performance counter |
| 07/22/2008 | US7403933 Identifying solutions to computer problems in main system by service system |
| 07/22/2008 | US7403364 Power system fault characterization using transformed values |
| 07/22/2008 | US7403362 Latch-up restistant ESD protection circuit and method thereof |
| 07/22/2008 | US7403361 Level conversion circuit and semiconductor integrated circuit device employing the level conversion circuit |
| 07/22/2008 | US7403086 Ground fault circuit interrupter with reverse wiring protection |
| 07/17/2008 | WO2008086396A2 Method and apparatus for smart circuit breaker |
| 07/17/2008 | WO2008086108A2 System and method for circuit overcurrent protection |
| 07/17/2008 | WO2008083539A1 A monitoring type operative protective relay for residual current |
| 07/17/2008 | WO2008042125A3 Apparatus, systems and methods for reliably detecting faults within a power distribution system |
| 07/17/2008 | US20080170345 Power semiconductor device architecture for output transistor protection |
| 07/17/2008 | US20080170341 Novel circuit interrupting device with automatic end-of-life test |
| 07/17/2008 | CA2673318A1 System and method for circuit overcurrent protection |
| 07/16/2008 | EP1110038B8 Control system for bathers |
| 07/16/2008 | CN101223682A Residual current breaker switch with additional trigger switch |
| 07/16/2008 | CN101223681A Leakage detector of vehicle-mounted power supply system |
| 07/16/2008 | CN101222147A Electric voltage reverse-connection protection circuit |
| 07/16/2008 | CN101222135A Relay protection method of power system |
| 07/16/2008 | CN101222130A Leakage current resistant residual current breaker |
| 07/16/2008 | CN101222100A Creepage protecting socket with life end checking function |
| 07/16/2008 | CN100403616C Phase defect testing method for three phase power supply |
| 07/16/2008 | CN100403300C Mirroring network data to establish virtual storage area network |
| 07/16/2008 | CN100403041C Automatic tuning and small current grounding failure wire selection system of master slave extinction coil |
| 07/15/2008 | US7401267 Program failure recovery |
| 07/15/2008 | US7401237 Power supplying method and apparatus and a system using the same |
| 07/15/2008 | US7401190 Software management |
| 07/15/2008 | US7400482 Circuit breaker and method for sensing current indirectly from bimetal voltage and determining bimetal temperature and corrected temperature dependent bimetal resistance |
| 07/15/2008 | US7400481 Low cost arc fault detection technique |
| 07/15/2008 | US7400480 Electrostatic discharge protection circuit |
| 07/15/2008 | US7400479 Reset lockout for circuit interrupting device |
| 07/15/2008 | US7400478 Arc detection circuit |
| 07/15/2008 | US7400477 Method of distribution of a circuit interrupting device with reset lockout and reverse wiring protection |
| 07/15/2008 | US7400476 Safety device for prevention of electrical shocks |
| 07/15/2008 | US7400063 Switched-mode power supply |
| 07/12/2008 | CA2617710A1 Battery pack for miner's cap lamp with charging and discharging control module |
| 07/10/2008 | WO2008080576A1 Voltage protection arrangement for an electronic device |
| 07/10/2008 | WO2008063674A3 Bi-directional transient blocking unit having a dual-gate transistor |
| 07/10/2008 | WO2008046068A3 System and method for detection of multiple current limits |
| 07/10/2008 | WO2008021572A3 Portable surge protected power distribution system |
| 07/10/2008 | WO2008011522A3 Integrated and optimized distributed generation and interconnect system controller |
| 07/10/2008 | US20080167755 Method and apparatus for smart circuit breaker |
| 07/10/2008 | US20080165464 Safety switching apparatus and method for safe disconnection of a load |
| 07/10/2008 | US20080165461 System and method for circuit overcurrent protection |
| 07/10/2008 | US20080164944 Protection and automatic recovery circuit system |
| 07/10/2008 | US20080164828 Electronic circuit for driving a diode load |
| 07/09/2008 | CN201084040Y Power supply line controller |
| 07/09/2008 | CN101218729A Circuit interrupting device having integrated enhanced RFI suppression |
| 07/09/2008 | CN101217232A A total current type residual current operating device with functions of automatic tripping on element failures |
| 07/09/2008 | CN101217231A A control and protective circuit on control and protective switch electric apparatus |
| 07/09/2008 | CN100401609C Improved power-line protection |
| 07/09/2008 | CN100401608C Ground fault interrupter |
| 07/09/2008 | CN100401513C Semiconductor integrated circuit device having an ESD protection unit |
| 07/08/2008 | US7398415 Method and apparatus for relating device name to physical location of device on a network |
| 07/08/2008 | US7397652 Device and method for providing electric service |
| 07/08/2008 | US7397645 Power supply transmission cord |
| 07/08/2008 | US7397643 Protection circuit |
| 07/08/2008 | CA2268235C Accessory network for an electronic trip unit |
| 07/03/2008 | WO2008077898A1 Controller for electrically adjustable furniture |
| 07/03/2008 | WO2008077439A1 Power supply switching apparatus with severe overload detection |
| 07/03/2008 | WO2008077161A1 Electric installation arrangement and method for the operation of an electric installation arrangement |
| 07/03/2008 | WO2008051246A3 Virtual closed loop power distribution system and method |
| 07/03/2008 | WO2007133825A3 Electrical energy discharge control |
| 07/03/2008 | US20080161979 Method for coordination study for protective devices with dynamic settings, multiple functions and multiple setting groups |
| 07/03/2008 | US20080158763 Circuit breaker electronic trip unit personality module |
| 07/03/2008 | US20080158762 Circuit breaker trip unit rating selection plug |
| 07/03/2008 | US20080158761 Circuit breaker electronic trip unit personality module |
| 07/03/2008 | US20080158760 Method and apparatus for fault detection scheme for cold cathode florescent lamp (ccfl) integrated circuits |
| 07/03/2008 | US20080158759 Circuit for protecting motherboard |
| 07/03/2008 | US20080158755 Battery pack having a protection circuit |
| 07/03/2008 | US20080158753 Relay device and corresponding method |
| 07/03/2008 | US20080158752 Circuit protection system |
| 07/03/2008 | US20080158751 Circuit protection system |
| 07/03/2008 | US20080158750 Relay device and corresponding method |
| 07/03/2008 | US20080158744 Series arc fault current interrupters and methods |
| 07/03/2008 | DE102007017858A1 Voltage protection arrangement for electronic device i.e. controller, has voltage detecting unit including switching output connected with output of voltage comparator for indication of impermissible voltage |
| 07/03/2008 | DE102007000854A1 Electrical load e.g. electromagnetic coil, drive device for suction control valve in diesel engine, has CPU determining presence of abnormality of battery, when actual current and current difference exceed respective threshold values |
| 07/03/2008 | DE102006062320A1 Ableitstromfester Fehlerstromschutzschalter Ableitstromfester residual current circuit breaker |
| 07/03/2008 | CA2672264A1 An electric installation arrangement and method for the operation of an electric installation arrangement |
| 07/02/2008 | EP1940002A2 Relay device and corresponding method |
| 07/02/2008 | EP1940001A2 Relay device and corresponding method |
| 07/02/2008 | EP1939997A2 Leakage current resistant residual current breaker |
| 07/02/2008 | EP1939914A2 Protection apparatus for air circuit breaker |
| 07/02/2008 | EP1939642A2 Relay device and correspondig method |
| 07/02/2008 | CN101212132A Voltage input circuit |
| 07/02/2008 | CN101212131A Method and system for testing ratings of electronic devices |
| 07/02/2008 | CN100399661C Electrical packaged piece, and method for constructing dynamo starter |
| 07/02/2008 | CN100399660C Protective relay apparatus comprising photoelectriccurrent sensor |
| 07/01/2008 | US7394638 System and method for a whole-chip electrostatic discharge protection that is independent of relative supply rail voltages and supply sequencing |
| 07/01/2008 | US7394635 Current detection circuit and protection circuit |