| 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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| 07/03/2007 | US7239496 Distance protective relay using a programmable thermal model for thermal protection |
| 07/03/2007 | US7239495 Output circuit with transistor overcurrent protection |
| 07/03/2007 | US7239491 Protective device with miswire protection |
| 07/03/2007 | US7239490 Medium voltage vacuum circuit interrupter |
| 07/03/2007 | CA2441463C Safety electrical outlet with logic control circuit |
| 07/03/2007 | CA2168710C Ground detection circuit for a three wire power supply |
| 06/28/2007 | WO2005081771A3 System and method for managing fault in a power system |
| 06/28/2007 | US20070150217 Low-voltage detection device and low-voltage detection method |
| 06/28/2007 | US20070147150 Nonvolatile memory |
| 06/28/2007 | US20070146953 Switch circuit and diode |
| 06/28/2007 | US20070146952 Overcurrent protection device for semiconductor element |
| 06/28/2007 | US20070146951 Power supply controller |
| 06/28/2007 | US20070146950 Active Protection Circuit Arrangement |
| 06/28/2007 | US20070146949 Plasma television and power supply control device |
| 06/28/2007 | US20070146947 Intelligent life testing methods and apparatus for leakage current protection |
| 06/28/2007 | US20070146946 Leakage current detection interrupter with fire protection means |
| 06/28/2007 | US20070146945 Intelligent life testing methods and apparatus for leakage current protection device with indicating means |
| 06/28/2007 | US20070146944 Apparatus and methods for testing the life of a leakage current protection device |
| 06/28/2007 | US20070146943 Electronic differential switch |
| 06/28/2007 | US20070145827 Apparatus for and method of connecting a power source to a device |
| 06/28/2007 | DE19539915B4 Verfahren zur Überwachung wie Stillstands- und/oder Einrichtdrehzahlüberwachung eines Antriebs, insbesondere hochdynamischen Servoantriebs, sowie Lastrelais insbesondere zur Verwendung bei einem entsprechenden Verfahren Method for monitoring as downtime and / or Einrichtdrehzahlüberwachung a drive, especially highly dynamic servo drive and overload relays particularly for use in a corresponding method |
| 06/27/2007 | EP1801946A1 Method and device of arc detection in a plasma process |
| 06/27/2007 | CN2917055Y Remote control circuit structure with voltage comparing leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917054Y Leakage protective wall detection chip for voltage type external digital to analog conversion zero/earth line detection interface |
| 06/27/2007 | CN2917053Y Line control circuit structure with amplifying circuit leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917052Y Remote control circuit structure with amplifying circuit leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917051Y Line control circuit structure with amplifying circuit leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917050Y Remote control circuit structure with switching circuit leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917049Y Line control circuit structure with switching circuit leakage protective wall that utilizes flag bit to differentiate multiple electric appliances |
| 06/27/2007 | CN2917048Y Electronic sweeper protecting device for coal feeder |
| 06/27/2007 | CN1989673A Differential current detection |
| 06/27/2007 | CN1988303A Leaking current controller |
| 06/27/2007 | CN1988302A Protective method and device for distribution net work earthing fault |
| 06/27/2007 | CN1988301A Anti-shock device for electric water heater with time sharing detecting function |
| 06/27/2007 | CN1988283A Power socket based on electricity measuring to control switch |
| 06/27/2007 | CN1988099A Leakage current detection breaker with fire-proof shield |
| 06/27/2007 | CN1987950A CAN bus data collector |
| 06/27/2007 | CN1323475C Aircraft applicable ground fault circuit interrupter |
| 06/26/2007 | US7237231 Automatic identification of input values that expose output failures in a software object |
| 06/26/2007 | US7237145 Fault-tolerant architecture for in-circuit programming |
| 06/26/2007 | US7237141 Method for recovering data from a redundant storage object |
| 06/26/2007 | US7237140 Fault tolerant multi-node computing system for parallel-running a program under different environments |
| 06/26/2007 | US7237138 Systems and methods for diagnosing faults in computer networks |
| 06/26/2007 | US7236343 Method and system for lightning current conduction protection using foil bonded strips |
| 06/26/2007 | US7236338 System and method for remotely detecting and locating faults in a power system |
| 06/26/2007 | US7236165 System and method for asynchronous storage and playback of a system state |
| 06/26/2007 | CA2178292C Low cost apparatus for detecting arcing faults and circuit breaker incorporating same |
| 06/26/2007 | CA2127306C Ground fault circuit interrupter incorporating miswiring prevention circuitry |
| 06/21/2007 | WO2007068221A1 Measuring device for forming a current measured value |
| 06/21/2007 | WO2007068042A1 Current zero crossing detector in a dimmer circuit |
| 06/21/2007 | WO2007068041A1 Load detector for a dimmer |
| 06/21/2007 | WO2006107639A3 Self-triggering superconducting fault current limiter |
| 06/21/2007 | US20070139985 Current fault detector and circuit interrupter and packaging thereof |
| 06/21/2007 | US20070139841 On failure detecting apparatus of power supply circuit |
| 06/21/2007 | US20070139840 Combination current sensor and relay |
| 06/21/2007 | US20070139839 Overcurrent detection circuit and switching circuit |
| 06/21/2007 | US20070139838 Current overload detecting system and method |
| 06/21/2007 | US20070139837 Overheat protection circuit for power supply devices and direct-current power supply device |
| 06/21/2007 | US20070139836 Backflow preventing circuit capable of preventing reverse current efficiently |
| 06/21/2007 | US20070139835 Current sensor with reset circuit |
| 06/21/2007 | US20070139831 Micro-Electromechanical System Based Arc-Less Switching With Circuitry For Absorbing Electrical Energy During A Fault Condition |
| 06/21/2007 | US20070139830 Micro-electromechanical system based soft switching |
| 06/21/2007 | DE19838958B4 Sicherheitseinrichtung für eine Anzahl von elektrischen Verbrauchern Safety device for a number of electrical consumers |
| 06/20/2007 | EP1797625A1 Power supply apparatus with overload protection |
| 06/20/2007 | CN2914441Y Overload safeguard of main engine of combustion engine |
| 06/20/2007 | CN2914440Y Electricity saved intelligent leakage protector |
| 06/20/2007 | CN2914318Y Enhanced ground-fault circuit breaker with reverse connection protecting function |
| 06/20/2007 | CN1322649C Household power saver |
| 06/20/2007 | CN1322648C Protector for electric faults |
| 06/20/2007 | CN1322332C High-volage transmitting-line multiple-path high-precision GPS single-end fault positioning method and apparatus |
| 06/19/2007 | US7233866 Device for the management of electrical sockets |
| 06/19/2007 | US7233475 Integrated circuit with an electrostatic discharge protection circuit |
| 06/19/2007 | US7233472 Highly efficient line transient protection circuit for high power loads |
| 06/19/2007 | US7233471 Circuit output stage protection system |
| 06/19/2007 | US7233470 Distance relay apparatus |
| 06/19/2007 | US7233469 Components having actively controlled circuit elements |
| 06/19/2007 | US7233467 Method and apparatus for protecting a gate oxide using source/bulk pumping |
| 06/19/2007 | US7233466 Input protection circuit |
| 06/19/2007 | US7233465 Ground fault detection system and method for inverter |
| 06/19/2007 | US7233464 Apparatus for and method of ground fault detection |
| 06/19/2007 | US7233463 Method and apparatus for detecting electrical faults and isolating power source from the electrical faults |
| 06/19/2007 | US7233085 Protection circuit for a power supply unit, and power supply unit with a respective protection circuit |
| 06/19/2007 | CA2255050C A method and system for debugging hybrid source code |
| 06/15/2007 | CA2570580A1 Overvoltage protection devices including wafer of varistor material |
| 06/14/2007 | WO2006028923A3 Method and system for bidirectional communications and power transmission |
| 06/14/2007 | WO2005099393A3 Circuit interrupting device with a single test-reset button |
| 06/14/2007 | US20070136387 Transaction-Safe FAT Files System |
| 06/14/2007 | US20070135971 Integrated protection, monitoring, and control system |
| 06/14/2007 | US20070133140 Electronic trip unit for circuit breakers |
| 06/14/2007 | US20070133139 Tracking and fault communication for DC power supply modules |
| 06/14/2007 | US20070133136 Gfci receptacle with single button for test-reset function |
| 06/14/2007 | US20070133135 DC arc fault detection and protection |
| 06/14/2007 | US20070133134 AC arc fault detection and protection |
| 06/13/2007 | EP1796239A1 Electric circuit |
| 06/13/2007 | EP1446675B8 Directional element to determine faults on ungrounded power systems |
| 06/13/2007 | EP1183587A4 Computer input performance monitoring system and method |
| 06/13/2007 | EP1023755B1 Protective device, especially for protection against lightning |
| 06/13/2007 | CN2912068Y 电子式过载继电器 Electronic overload relay |
| 06/13/2007 | CN2912063Y Integrated protector of smart switch |
| 06/13/2007 | CN2912062Y Selective electricity leakage protector applied in 380-1140V electric network for coal mine |