| 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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| 07/31/2001 | US6269011 Power supply system having semiconductor active fuse |
| 07/31/2001 | US6268991 Method and arrangement for customizing electronic circuit interrupters |
| 07/31/2001 | US6268988 Ground fault detector for gas discharge tubing |
| 07/31/2001 | US6268987 Ground fault circuit interrupter |
| 07/31/2001 | CA2173645C Communications processor for electric power substations |
| 07/26/2001 | US20010009494 Over current protection circuit of semiconductor switching device |
| 07/26/2001 | DE19964097A1 Overvoltage protection circuit for electronic unit onboard automobile has integrator receiving switch signal from overvoltage indicator for opening switch to prevent overheating |
| 07/25/2001 | EP1118004A1 Method and device for locating an insulation fault in an electric cable |
| 07/25/2001 | CN2440280Y Domestic electricity-using protector |
| 07/25/2001 | CN1068996C Switching power source |
| 07/25/2001 | CN1068987C Circuit protection arrangements |
| 07/25/2001 | CN1068986C Overcurrent trip device |
| 07/24/2001 | US6266785 File system filter driver apparatus and method |
| 07/24/2001 | US6266220 Internal surge protector device |
| 07/24/2001 | US6266219 Combination ground fault and arc fault circuit interrupter |
| 07/18/2001 | EP1116251A1 Circuit breaker with a rated current plug connector |
| 07/18/2001 | CN2439744Y Three phase voltage-limiting protector |
| 07/18/2001 | CN2439743Y Multi-functional ac electronic protector |
| 07/18/2001 | CN1304574A Overvoltage protection circuit |
| 07/18/2001 | CN1304198A Residual current circuit breaker |
| 07/18/2001 | CN1304197A Hair drier with internal circuit breaker |
| 07/18/2001 | CN1068734C Microprocessor based motor control system with phase difference detection |
| 07/18/2001 | CN1068702C Protective relay having out-of-step logic capability |
| 07/17/2001 | US6262872 Electronic trip unit with user-adjustable sensitivity to current spikes |
| 07/17/2001 | US6262871 Fail safe fault interrupter |
| 07/12/2001 | WO2001050567A1 An improved electronic earth leakage current device |
| 07/12/2001 | WO2001050566A1 An improved electronic earth leakage current device |
| 07/12/2001 | WO2001050565A1 An improved electronic earth leakage current device |
| 07/11/2001 | EP1114497A1 Protective circuit-breaker device |
| 07/11/2001 | EP1114496A1 Fault-current protection device with an overload protection device |
| 07/11/2001 | EP0890220B1 Electronic branch switching device |
| 07/11/2001 | CN1303153A Three-phase four-line phase losing protecting device with speech alarm |
| 07/11/2001 | CN1303152A Integrated circuit for single phase losing protection of multifunctional three-phase power supply |
| 07/11/2001 | CN1303113A Electronic breaker |
| 07/10/2001 | US6259996 Arc fault detection system |
| 07/10/2001 | US6259972 Method for processing and disseminating utility outage information |
| 07/10/2001 | CA2295286A1 A simplified leakage current circuit breaking and overcurrent protection device |
| 07/05/2001 | DE19961267A1 Verfahren zur Vermeidung des Auftretens von stromstarken Störlichtbögen A method for preventing the occurrence of high-current arc faults |
| 07/05/2001 | DE10022794A1 Kabelbaumvorrichtung The wire harness apparatus |
| 07/04/2001 | EP1113571A2 Modular current sensor and power source |
| 07/04/2001 | EP1113558A2 Relay with overcurrent protection |
| 07/04/2001 | EP1112010A1 Device for displacing furniture |
| 07/04/2001 | CN2438253Y Overheat testing protector of power supply circuit and device |
| 07/04/2001 | CN2438252Y Intelligent phase voltage uniphase input device |
| 07/04/2001 | CN2438251Y Device for avoiding fraudulent use of electricity |
| 07/04/2001 | CN2438250Y Automatic circuit on-off controller |
| 07/04/2001 | CN2438235Y Power supply socket capable of simultaneous power supply of multiple apparatuses |
| 07/04/2001 | CN1302465A Adaptive sampling rate based on power system frequency |
| 07/04/2001 | CN1302464A Multiple communications protocols in a protective relay |
| 07/04/2001 | CN1068145C Zero sequence voltage-polarized directional element for protective relays |
| 07/03/2001 | US6256756 Embedded memory bank system |
| 07/03/2001 | US6255864 Method and circuit for monitoring a defined amplitude threshold value of signals formed by alternating voltage |
| 06/28/2001 | WO2001047084A1 Method and device for overvoltage protection in dual-voltage vehicle electrical systems |
| 06/28/2001 | US20010005303 Current Limiter for a network |
| 06/28/2001 | DE19959777A1 Differential protection method to generate error signal characterising error current in electrical conductor; involves using current sensor at each end of conductor and forming total current value |
| 06/28/2001 | DE19959776A1 Differentialschutzverfahren Differential protection method |
| 06/28/2001 | DE19959772A1 Differential protection method to generate error signal characterising error current in electrical conductor; involves using current sensor at each end of conductor and forming total current value |
| 06/27/2001 | EP1111750A1 Protective device for electrical faults |
| 06/27/2001 | EP1110290A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | EP1110288A1 Drive device and method for moving a vehicle part |
| 06/27/2001 | EP1110287A1 Protection device for low voltage networks |
| 06/27/2001 | EP1110286A1 Protection device for low voltage networks |
| 06/27/2001 | EP1110038A1 Control system for bathers |
| 06/27/2001 | CN2437070Y Self-fault diagnosis type power distributor |
| 06/27/2001 | CN2437067Y Multi-function circuit protector |
| 06/27/2001 | CN1301423A Battery pack protection circuit |
| 06/27/2001 | CN1301349A Layout, method and current measuring device for measuring a current in a conductor |
| 06/27/2001 | CN1301074A Protector for electric faults |
| 06/26/2001 | US6253121 Control system for bathers with ground continuity and ground fault detection |
| 06/26/2001 | US6252439 Current level detector device for protecting a circuit against alternating current overcurrents |
| 06/26/2001 | US6252365 Breaker/starter with auto-configurable trip unit |
| 06/26/2001 | US6252256 Overvoltage protection circuit |
| 06/26/2001 | US6251113 Ophthalmic microsurgical system employing surgical module employing flash EEPROM and reprogrammable modules |
| 06/26/2001 | CA2204970C Microprocessor based motor control system with phase difference detection |
| 06/21/2001 | WO2001045225A1 An improved digital miltifunction relay |
| 06/21/2001 | DE19961435A1 Over-voltage protection device for dual-voltage motor vehicle on-board supply network, includes switching element in branch of electrical supply network, operating at high voltage level |
| 06/21/2001 | DE19960597A1 Protection unit for device connected to electric circuit arrangement e.g. for starter in motor vehicle; has electrically triggered ignition element to separate supply line for device when monitoring device detects fault in circuit |
| 06/21/2001 | DE19955632A1 Sicherheitsschaltung Safety circuit |
| 06/21/2001 | DE10064576A1 Current limiting circuit for stepper motor drive circuit, has supply terminal joined via resistance with control connection of first electronic switch |
| 06/21/2001 | CA2401341A1 An improved digital miltifunction relay |
| 06/20/2001 | EP1109281A2 Current limiting circuit |
| 06/20/2001 | EP1109280A1 A digital multifunction relay having improved characteristics |
| 06/20/2001 | EP1109279A2 Method for preventing the occurence of high intensity electric arcs |
| 06/20/2001 | EP1108273A1 Explosion-proof plug-in connector |
| 06/20/2001 | EP0821842B1 Differential protection device sensitive to pulsating current |
| 06/20/2001 | CN2435873Y Overvoltage and undervoltage protective device for domestic electrical equipment |
| 06/20/2001 | CN2435872Y Teaching safety power supply |
| 06/20/2001 | CN2435871Y Automatic protective switch for use in small industrial and mining area |
| 06/20/2001 | CN2435861Y Leakage protective plug with ultrahigh temp. protection |
| 06/20/2001 | CN1300456A Distributed logic in multiple protective relays |
| 06/19/2001 | US6249880 Method and apparatus for exhaustively testing interactions among multiple processors |
| 06/19/2001 | US6249230 Ground fault location system and ground fault detector therefor |
| 06/14/2001 | WO2001043256A1 Differential protective method |
| 06/14/2001 | WO2001043253A2 System for power transformer differential protection |
| 06/14/2001 | WO2001043154A1 Electrical circuit-breaker with an information memory |
| 06/13/2001 | EP1107415A2 Residual current breaker |
| 06/13/2001 | EP1107414A2 Method for monitoring undervoltage of the mains voltage and undervoltage release device |
| 06/13/2001 | EP1105958A1 A monitor circuit for a current limiting device |
| 06/13/2001 | EP1105957A1 An apparatus for limiting an electrical current |
| 06/13/2001 | EP1105956A1 Arcing fault detection system |