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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05/06/2004 | US20040085696 Surge counter/detector apparatus, system and method |
05/06/2004 | US20040085110 Control arrangement |
05/06/2004 | US20040085075 Overload current protection device using magnetic impedance element |
05/06/2004 | EP1416621A2 Latching shutdown and delayed re-start of DC power supply in broadband network |
05/06/2004 | EP1416603A1 Protection of an electric power transmission network |
05/06/2004 | EP1416382A1 Identifying solutions to computer problems in main system by service system |
05/06/2004 | EP1415389A1 Neutral pole location independent earth leakage detection circuit |
05/06/2004 | EP1415377A2 System and method for managing object based clusters |
05/06/2004 | EP0888628B1 Transformer/reactor |
05/05/2004 | CN1494756A Improved digital protection and control device and method thereof |
05/05/2004 | CN1494658A Apparatus and method for detecting and calculating ground fault resistance |
05/05/2004 | CN1148773C Device for short-circuit protection |
05/05/2004 | CN1148151C Foot controller for microsurgical system |
05/04/2004 | US6732301 Serial bus diagnostic port of a digital system |
05/04/2004 | US6732298 Nonmaskable interrupt workaround for a single exception interrupt handler processor |
05/04/2004 | US6732296 Object oriented scaleable test executive |
05/04/2004 | US6731655 Current differential relay device |
05/04/2004 | US6731487 Method and devices for optimizing power consumption of trip units containing microprocessors |
05/04/2004 | US6731485 Digital power inverter |
05/04/2004 | US6731483 Circuit breaker with single test button mechanism |
05/04/2004 | US6731482 Ground fault circuit interrupter |
05/04/2004 | US6731116 Short-circuit detector |
05/04/2004 | US6731098 Method and apparatus for sensing variable currents within the alternator of a genset that employs an amplifier and a switched feedback resistance |
05/04/2004 | US6730883 Flexible heating cover assembly for thermal cycling of samples of biological material |
04/29/2004 | US20040080961 Power supply capable of protecting electric device circuit |
04/29/2004 | US20040080879 Protection device with lockout test |
04/29/2004 | DE10141349B4 Nicht-intrusives Ereignislokalisierungssystem und Verfahren zur Ereignislokalisierung für ein Überhitzungsdetektionssystem Non-intrusive event location system and method for event localization for an overheating detection system |
04/28/2004 | EP1414147A1 Measuring process for the power output by a motor |
04/28/2004 | CN2613915Y Intelligent comprehensive protector with programmable control and interface display for high/low voltage distribution switch |
04/28/2004 | CN1492557A Circuit protector and method for over current and over heat protection thereof |
04/28/2004 | CN1147998C Power supply control equipment and method |
04/28/2004 | CN1147979C Method and equipment for debugging hidden line-breaking acident of power transmission line |
04/28/2004 | CN1147978C Trip device having multiple apparatus for equipment protective reference |
04/28/2004 | CN1147734C Commercial power frequency monitoring method and device |
04/27/2004 | US6728905 Apparatus and method for rebuilding a logical device in a cluster computer system |
04/27/2004 | US6728896 Failover method of a simulated operating system in a clustered computing environment |
04/27/2004 | US6728814 Reconfigurable IEEE 1149.1 bus interface |
04/27/2004 | US6728735 Restartable dump that produces a consistent filesystem on tapes |
04/27/2004 | US6728717 Storage system with online manual |
04/27/2004 | US6728087 Method and apparatus for remotely actuating a circuit protection device |
04/22/2004 | WO2004034545A1 Overvoltage protection circuit |
04/22/2004 | WO2004034541A1 Over-voltage protection arrangement for a low voltage power supply |
04/22/2004 | WO2004034199A2 Managing resources for ip networking |
04/22/2004 | WO2004013643A3 Ground fault detection system for ungrounded power systems |
04/22/2004 | WO2004012061A3 Consistent message ordering for semi-active and passive replication |
04/22/2004 | US20040078710 Method for fault identification in an electrical radial network, an application of the method and an arrangement for fault identification in an electrical radial network |
04/22/2004 | US20040078704 Transaction-safe FAT file system |
04/22/2004 | US20040078662 Energy harvesting for wireless sensor operation and data transmission |
04/22/2004 | US20040078632 System with multiple path fail over, fail back and load balancing |
04/22/2004 | US20040078609 Electronic apparatus having improved diagnostic interface |
04/22/2004 | US20040078463 Method and apparatus for minimally invasive network monitoring |
04/22/2004 | US20040075963 Solenoid energy control method and a multi-stage over-current protector |
04/22/2004 | US20040075471 Apparatus and method for detecting phase state |
04/22/2004 | CA2500639A1 Managing resources for ip networking |
04/22/2004 | CA2499140A1 Overvoltage protection circuit |
04/21/2004 | EP1411612A2 Apparatus and method for detecting phase state |
04/21/2004 | EP0955984B1 Dual loop frequency and power control |
04/21/2004 | CN2613082Y Safety protector for electric appliance |
04/21/2004 | CN1491471A Overload current protection device using magnetic impedance element |
04/21/2004 | CN1491470A Overload current protection device using magnetic impedance element |
04/21/2004 | CN1490912A Automatic protective leakage circuit breaker for fire hazard |
04/21/2004 | CN1490911A Automatic protective leakage switch for fire hazard |
04/21/2004 | CN1490572A Apparatus and method for detecting phase state |
04/21/2004 | CN1146363C Surgical module with neuron chip communication |
04/20/2004 | US6725405 Apparatus and method for providing a diagnostic problem determination methodology for complex systems |
04/20/2004 | US6725401 Optimized fault notification in an overlay mesh network via network knowledge correlation |
04/20/2004 | US6725399 Requirements based software testing method |
04/20/2004 | US6724600 Combination current sensor and relay |
04/20/2004 | US6724597 Protection device for low voltage networks |
04/20/2004 | US6724591 Circuit interrupter employing a mechanism to open a power circuit in response to a resistor body burning open |
04/20/2004 | US6724590 Ground fault circuit interrupter with indicator lamp and protective circuit powered from hot bus bar |
04/20/2004 | US6724589 Boat electrical test and isolator system |
04/15/2004 | WO2004032304A2 Device and method for providing electric service |
04/15/2004 | WO2004031342A1 Flexible heating cover assembly for thermal cycling of samples of biological material |
04/15/2004 | US20040073837 Semiconductor device and in-circuit emulator using the same |
04/15/2004 | US20040073829 Fail-over of multiple memory blocks in multiple memory modules in computer system |
04/15/2004 | US20040070913 Lightning arrester device for low-voltage network |
04/15/2004 | US20040070909 Digital protection relay with time sync function |
04/15/2004 | US20040070907 Current sense circuit |
04/15/2004 | US20040070904 Over-voltage protection arrangement for a low voltage power supply |
04/15/2004 | US20040070899 Leakage current detection interrupter extension cord with cord diagnostics |
04/15/2004 | US20040070898 Arc-fault detecting circuit breaker system |
04/15/2004 | US20040070897 Ground fault circuit interrupter with reverse wiring protection |
04/15/2004 | US20040070895 Leakage current detection interrupter extension cord with cord diagnostics and/or inadvertent ground-to-neutral detection |
04/15/2004 | US20040070894 Device and method for providing electric service |
04/15/2004 | US20040070474 Ground fault circuit interrupter with reverse wiring protection |
04/15/2004 | DE19959790B4 Verfahren und Anordnung zum fernbedienbaren Parametieren der Betriebskennwerte von elektrischen Betriebsmitteln Method and apparatus for remotely operated assign parameters to the operating characteristics of electrical equipment |
04/14/2004 | EP1408594A2 DC ground fault detector and system-interconnected generation device using the DC ground fault detector |
04/14/2004 | EP1006894A4 Numeric keypad simulated on touchscreen |
04/14/2004 | EP1006893A4 Surgical module with neuron chip communication |
04/14/2004 | CN2612136Y Whole electronic overvoltage, overcurrent protective security unit having light guide warning function |
04/14/2004 | CN2612130Y Single phase earthing and resonance overvoltage protector of 3-phase power network |
04/14/2004 | CN2612055Y Multipurpose energy saving switch |
04/14/2004 | CN1489819A Protection system for power networks |
04/14/2004 | CN1489818A Ground-fault protection coordinating system and ground-fault circuit interrupter with ground-fault protection coordinating unit |
04/14/2004 | CN1489253A Direction comparing distance relay apparatus |
04/14/2004 | CN1489168A Grounding failure circuit breaker with backing protection function |
04/14/2004 | CN1489051A Semiconductor device and internal circuit simulator using said semiconductor device |
04/13/2004 | US6721907 System and method for monitoring the state and operability of components in distributed computing systems |
04/13/2004 | US6721671 Directional element to determine faults on ungrounded power systems |