| 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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| 03/26/1997 | CN2250601Y Multiple stage protective zero line broadcasting device |
| 03/26/1997 | CN2250589Y Multifunctional leakage protector |
| 03/26/1997 | CN2250588Y Phase detecting amplitude detecting soundless operation leakage protector |
| 03/26/1997 | CN2250587Y Full automatic protective device for over voltage, under voltage, over current, delay and self protection |
| 03/26/1997 | CN2250586Y Passive over current protective relay |
| 03/26/1997 | CN2250585Y 电流保护继电器 Current protection relay |
| 03/26/1997 | CN2250584Y Automatic monitoring and controlling device for low voltage line safety |
| 03/25/1997 | US5615076 Apparatus for protecting electronic devices and associated methods of manufacturing |
| 03/25/1997 | US5615074 Electrostatic protection circuit |
| 03/25/1997 | US5614889 Apparatus and methods for coupling a case of an electric appliance to an external ground and for detecting leakage current |
| 03/25/1997 | US5614888 Circuit breaker with an alarm device and a circuit for generating an alarm in a circuit breaker |
| 03/25/1997 | US5614798 Circuit configuration for identifying a short circuit or shunt event in a servomotor system |
| 03/20/1997 | WO1997010637A1 Overcurrent protection circuit |
| 03/20/1997 | WO1997010636A2 Overcurrent protection circuit |
| 03/20/1997 | WO1997010635A1 Overcurrent protection circuit |
| 03/20/1997 | WO1997010634A1 Circuit configuration to detect excess temperature due to current flow |
| 03/20/1997 | WO1997010609A1 Electrical switch |
| 03/20/1997 | DE19534273A1 Schutzeinrichtung für Überspannungsableiter Surge protection device for |
| 03/20/1997 | DE19534056A1 Schaltungsanordnung zur Erkennung einer Übertemperatur aufgrund eines fließenden Stromes Circuitry for detecting an excess temperature due to a current flowing |
| 03/19/1997 | EP0763877A2 Communication system |
| 03/19/1997 | EP0763746A2 Circuit for detecting an open circuit |
| 03/19/1997 | EP0763272A1 Circuit for limiting current |
| 03/19/1997 | CN2249983Y Automatic controlling circuit protector |
| 03/13/1997 | WO1997009756A2 Method and apparatus for automatic shut off of electronic equipment |
| 03/12/1997 | EP0762591A2 Electrical system with arc protection |
| 03/12/1997 | EP0762590A1 Line circuit breaker |
| 03/12/1997 | EP0762558A2 Anti-snag latch assembly for a connector |
| 03/12/1997 | EP0762437A2 Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions |
| 03/12/1997 | EP0660789A4 Container for a hanger-supported garment. |
| 03/11/1997 | US5609448 Apparatus for manufacturing plate for gravure |
| 03/09/1997 | CA2184968A1 Electrical system with arc protection |
| 03/05/1997 | EP0626107B1 Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault |
| 03/05/1997 | CN2248946Y Boyonet connection ensuring unit for telephone main frame |
| 03/05/1997 | CN2248945Y Leakage delay with no transformer and zero sequence mutual inductor |
| 03/05/1997 | CN2248944Y Limit alarming protector for power transformer |
| 03/05/1997 | CN2248943Y Fire-proof automatic alarming power supply |
| 03/05/1997 | CN2248934Y Multi-function safety socket |
| 03/05/1997 | CN2248933Y Eenergy-saving and safety socket for house-hold electric appliance |
| 03/01/1997 | CA2184652A1 Electrical extension cord with built-in safety protection |
| 02/26/1997 | EP0759220A1 Detector for monitoring the integrity of a ground connection to an electrical appliance |
| 02/26/1997 | EP0759175A1 Microcontroller with brown-out detection |
| 02/26/1997 | CN2248414Y 智能保安器 Intelligent security device |
| 02/26/1997 | CN2248413Y Single-phase protection combined switch |
| 02/26/1997 | CN2248412Y Multi-function automatic protecting voltage stabilizer for overload and short-circuit |
| 02/26/1997 | CN2248411Y Three-phase electric full-automatic apparatus for preventing electricity fraudulent |
| 02/26/1997 | CN1143822A Breaking device |
| 02/26/1997 | CN1034117C Safety devices for elevator |
| 02/25/1997 | US5606511 Microcontroller with brownout detection |
| 02/25/1997 | US5606490 Current limiter for voltage/frequency type inverter |
| 02/25/1997 | US5606482 Solid state circuit breaker |
| 02/25/1997 | US5606480 Detector for monitoring the integrity of a ground connection to an electrical appliance |
| 02/20/1997 | DE19530306A1 Fault current protection circuit with remote release |
| 02/19/1997 | EP0513346B1 Solid state current controlled interruption system |
| 02/19/1997 | CN2247817Y Loss-of-phase and service interruption sound and flash alarm device |
| 02/19/1997 | CN1143290A Transforming station communication process equipment |
| 02/19/1997 | CN1143276A Circuit unit for charging capacitor |
| 02/19/1997 | CN1034096C Multifunctional universal contactor |
| 02/18/1997 | US5604785 Remotely actuated switch and protection circuit |
| 02/18/1997 | US5604656 Electromechanical relays |
| 02/13/1997 | WO1997005683A1 Power-on reset circuit |
| 02/12/1997 | EP0757854A1 A window discriminator controlled current breaker |
| 02/12/1997 | CN2247384Y 单相电力负荷控制开关 Single-phase power load control switch |
| 02/11/1997 | US5602707 Detection of transformer high side fuse operations in a power transmission system |
| 02/11/1997 | US5602469 Apparatus for detecting the amplitude and phase of an a.c. signal |
| 02/06/1997 | WO1997004511A1 Electrical apparatus |
| 02/06/1997 | WO1997004323A1 Apparatus for detecting discontinuity of ground conductor and leak detector having function of detecting discontinuity of ground conductor |
| 02/05/1997 | EP0757421A2 Equipment for limitation of fault current in 3-phase networks |
| 02/05/1997 | EP0756771A1 Power supply over-voltage protection |
| 02/05/1997 | CN2246862Y Domestic electrical equipment protector |
| 02/05/1997 | CN2246850Y Leakage protective switch |
| 02/05/1997 | CN2246805Y Single-phase electric meter avoiding or indicating fraudulent use of electricity |
| 02/05/1997 | CN1033993C Protection device for distribution line |
| 02/04/1997 | US5600527 Circuit interrupter providing protection and waveform capture for harmonic analysis |
| 02/04/1997 | US5600525 ESD protection circuit for integrated circuit |
| 02/04/1997 | US5600524 Intelligent ground fault circuit interrupter |
| 02/04/1997 | US5600523 Earth leakage breaker |
| 02/04/1997 | CA2101223C Fuse or circuit breaker status indicator |
| 01/29/1997 | EP0755582A1 A device for indicating a destroyed arrester |
| 01/29/1997 | EP0755581A1 Overvoltage protection |
| 01/29/1997 | EP0641496B1 Method and device for preventing understabilization of longitudinal differential protection in case of external fault and current transformer saturation |
| 01/29/1997 | EP0568689B1 Electronic apparatus for measuring the activity of an oil transformer |
| 01/29/1997 | CN2246344Y Current leakage protecting switch with current-limit buffer resistance |
| 01/28/1997 | US5598312 Device for controlling a mechanism driven by a lens one electric motor |
| 01/23/1997 | DE19529474C1 Automatic monitoring system for fault current protection switch |
| 01/22/1997 | EP0755108A1 Earth leakage protective circuit in three-phase systems |
| 01/22/1997 | EP0755107A1 Communication circuit for fault indication and test module used therewith |
| 01/22/1997 | CN2245814Y General leakage protector |
| 01/22/1997 | CN1141097A Device for differentially protecting a power transformer |
| 01/22/1997 | CN1140926A Driving device for induction motor |
| 01/21/1997 | US5596473 Electrical switches with current protection interfaced with a remote station and a portable local unit |
| 01/21/1997 | US5596472 Process for controlling an overcurrent tripping device of a high-speed d.c. circuit-breaker |
| 01/21/1997 | US5596471 Adjustable undervoltage trip fault interrupt circuit |
| 01/21/1997 | US5596263 Electrical power distribution system apparatus-resident personality memory module |
| 01/16/1997 | WO1997001881A1 Diagnostic circuit protection device |
| 01/15/1997 | EP0753922A2 Circuit for charging a capacitor |
| 01/15/1997 | EP0753350A1 Method for producing high voltage and installation for electrostatic spraying of a coating product |
| 01/15/1997 | CN2245292Y Three-phase low voltage direct-insert power supply monitor |
| 01/15/1997 | CN2245290Y Selective comprehensive protector for electrical leakage, phase-sensitive short circuit |
| 01/08/1997 | CN2244783Y Automatic detecting protector for input under-voltage or overvoltage of computerized oil feeder |
| 01/07/1997 | US5592393 Method and system for providing protective relay functions |