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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09/17/2002 | US6453428 Dual-drive fault tolerant method and system for assigning data chunks to column parity sets |
09/17/2002 | US6453260 Apparatus and method for collecting motor test data |
09/17/2002 | US6452769 Electrical power distribution installation for electrical power system |
09/17/2002 | US6452767 Arcing fault detection system for a secondary line of a current transformer |
09/12/2002 | WO2001016708A9 System and method for detecting buffer overflow attacks |
09/12/2002 | US20020129029 Scalable transport layer protocol for multiprocessor interconnection networks that tolerates interconnection component failure |
09/12/2002 | US20020126829 Method and device for distributing electric power in telecommunication central office equipment |
09/11/2002 | EP1021123A4 Dishwasher |
09/11/2002 | CN2511030Y New-type Safety anti-theft auto-controller |
09/11/2002 | CN2511029Y Electric motor and compressor protector |
09/11/2002 | CN2511028Y Security unit of main frame |
09/11/2002 | CN2511027Y Telemetering, remote-signalling and remote-control relay |
09/11/2002 | CN1368774A Full-electronic single-phase short circuit protecting circuit without spark |
09/11/2002 | CN1368773A Self-adaption protection of autoamtic relay controller |
09/11/2002 | CN1368772A Circulation recovery plan for transmitting branch |
09/11/2002 | CN1090774C AC line stabilization circuitry for high power factor loads |
09/10/2002 | US6449734 Method and system for discarding locally committed transactions to ensure consistency in a server cluster |
09/10/2002 | US6449733 On-line replacement of process pairs in a clustered processor architecture |
09/10/2002 | US6449730 Loosely coupled mass storage computer cluster |
09/10/2002 | US6448780 Method of calculating a resistance |
09/10/2002 | US6447081 Dishwasher |
09/06/2002 | WO2002069146A2 Data processing system having an on-chip background debug system and method therefor |
09/06/2002 | WO2002068253A1 Electric load management center |
09/05/2002 | US20020124213 Standardized format for reporting error events occurring within logically partitioned multiprocessing systems |
09/05/2002 | US20020121903 Systems and methods for locating faults on a transmission line with a single tapped load |
09/05/2002 | US20020121902 Ground detection apparatus for electric vehicle |
09/05/2002 | US20020121872 Collision monitoring system |
09/04/2002 | EP1237249A2 Protection relay |
09/04/2002 | EP1237248A2 Protective relay apparatus |
09/04/2002 | EP1236258A1 Differential protective method |
09/04/2002 | EP1236257A2 Monitoring device for power supplies |
09/04/2002 | EP1236215A1 Electrical circuit-breaker with an information memory |
09/04/2002 | CN2509762Y Touch type overvoltage protector |
09/04/2002 | CN2509755Y Domestic intelligent distribution box |
09/04/2002 | CN1367561A Power supply phase sequence automatic regulator of three-phase air-conditioner |
09/04/2002 | CN1090401C System protection relay device |
09/04/2002 | CN1090400C Anti-snag latch assembly for connector |
09/04/2002 | CN1090374C Circuit protective device comprising PTC conductive liquid crystal polymer composition |
09/04/2002 | CN1090373C Terminal and its mfg. method |
09/03/2002 | US6446237 Updating and reading data and parity blocks in a shared disk system |
09/03/2002 | US6446225 Server system with scalable session timeout mechanism |
09/03/2002 | US6445557 Method and apparatus for performing a short-circuit and overload disconnection with a semiconductor component |
09/03/2002 | US6445276 Electrical fuse for use in motor vehicles |
09/03/2002 | US6445090 Electrical equipment having energy saving mode capable of shutting off supplying of voltage to primary power supply supplying circuit under no use thereof |
09/03/2002 | CA2280281C Current transformer saturation correction using artificial neural networks |
08/29/2002 | WO2000024104A3 Ground fault protection circuit |
08/29/2002 | US20020118500 Solid state circuit breaker with current overshoot protection |
08/29/2002 | EP1145400A3 Ground fault protection circuit |
08/29/2002 | DE10106279A1 Verfahren zum Erzeugen eines Auslösesignals nach demStromdifferentialschutzprinzip und Stromdifferentialschutzanordnung Method for generating a tripping signal after demStromdifferentialschutzprinzip and current differential protection arrangement |
08/28/2002 | EP1234367A1 Device and method for detecting a jamming situation at moving surfaces in a motor vehicle |
08/28/2002 | EP1234366A2 System for power transformer differential protection |
08/28/2002 | EP1234365A2 Apparatus and method for detecting a short circuit in a lighting system |
08/28/2002 | EP0951241A4 Ophthalmic microsurgical system employing flash eeprom and reprogrammable modules |
08/28/2002 | EP0929263A4 Modes/surgical functions |
08/28/2002 | CN2508444Y Single power package multiple dc controlling device |
08/28/2002 | CN2508443Y Overvoltage protector |
08/28/2002 | CN2508433Y Real time leakage protection safety socket capable of discriminating between peak and valley power supply |
08/27/2002 | US6442711 System and method for avoiding storage failures in a storage array system |
08/27/2002 | US6442709 System and method for simulating disaster situations on peer to peer remote copy machines |
08/27/2002 | US6442011 Flux concentration adjustment mechanism and method for hall effect sensors and circuit breaker using same |
08/27/2002 | US6442010 Differential protective relay for electrical buses with improved immunity to saturation of current transformers |
08/27/2002 | US6442007 Ground fault interrupter with display circuit |
08/27/2002 | US6441709 Device for short-circuit protection |
08/22/2002 | WO2002065609A1 Overload current protection device using magnetic impedance element |
08/22/2002 | WO2002065608A1 Overload current protection device using magnetic impedance element |
08/22/2002 | WO2000039822A9 Method of detecting manual trips in an intelligent electronic device |
08/22/2002 | WO2000022711A9 Fault tolerant bus for clustered system |
08/22/2002 | US20020116663 Data processing system with on-chip FIFO for storing debug information and method therefor |
08/22/2002 | US20020116660 RAID system having channel capacity unaffected by any single component failure |
08/22/2002 | US20020116588 Software management systems and methods for automotive computing devices |
08/22/2002 | US20020116542 User alerts in an anti computer virus system |
08/22/2002 | US20020116092 System for protecting and controlling substation main circuit components |
08/22/2002 | US20020116081 Data processing system having an on-chip background debug system and method therefor |
08/21/2002 | EP1232551A1 Electric plant and method and use in connection with such plant |
08/21/2002 | CN2507184Y Voltage regulation energy saving and fraudulent use preventing device for oil pumping machine of oil field |
08/21/2002 | CN1365532A CVT transient filter |
08/21/2002 | CN1365503A Timed tripping circuit for an electromechanical switching device |
08/20/2002 | US6438505 Device for monitoring the speed of rotation of an electric motor and centrifuging apparatus equipped with such a device |
08/20/2002 | US6437957 System and method for providing surge, short, and reverse polarity connection protection |
08/20/2002 | US6437955 Frequency-selective circuit protection arrangements |
08/20/2002 | US6437954 Residual current device |
08/20/2002 | US6437953 Circuit interrupting device with reverse wiring protection |
08/20/2002 | US6437952 Earth protection device sensitive to arc currents, trip device and circuit breaker comprising such a device |
08/20/2002 | US6437951 Electrical ground fault protection circuit |
08/20/2002 | US6437700 Ground fault circuit interrupter |
08/20/2002 | US6437576 Method for detecting short-circuit conditions and device which uses this method |
08/15/2002 | WO2002063738A1 Device for the disconnection and connection of a load |
08/15/2002 | WO2002063648A1 Safety electrical outlet with logic control circuit |
08/15/2002 | US20020112198 Method and apparatus for recovering from failure of a mirrored boot device |
08/15/2002 | US20020109950 Setpoint silicon controlled rectifier (SCR) electrostatic discharge (ESD) core clamp |
08/15/2002 | US20020109483 Charge/discharge control circuit and a charging-type power-supply unit |
08/15/2002 | US20020109473 Motorized actuator with a variable stall level |
08/14/2002 | EP1230721A1 Improved restraint-type differential relay |
08/14/2002 | DE10104892A1 Schiffs-Elektrosystem Marine electrical system |
08/14/2002 | CN2506011Y Three phase AC power source phase sequence automatic monitoring device |
08/14/2002 | CN2506007Y Low voltage breaker having multifunction protector |
08/13/2002 | US6434715 Method of detecting systemic fault conditions in an intelligent electronic device |
08/13/2002 | US6434711 Disk array apparatus that avoids premature declarations of faults |
08/13/2002 | US6433981 Modular current sensor and power source |
08/13/2002 | US6433978 Arc fault detector with circuit interrupter |