| 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) |
|---|
| 03/08/1995 | CN2191486Y Phase interruption and phase sequence protection relay |
| 03/08/1995 | CN2191485Y Contactless quick-power-cut-off protector |
| 03/08/1995 | CN2191435Y Electric meter capable of preventing fraudulent use of electricity and limiting use quantity |
| 03/08/1995 | CN1027837C Checker in situs for electricity leakage protector |
| 03/07/1995 | US5396394 ISDN device line protection circuit |
| 03/01/1995 | EP0641056A1 Monitoring device especially for single or multiphase a.c. |
| 03/01/1995 | EP0641055A1 Modular,distributed equipment leakage circuit interrupter |
| 03/01/1995 | CN2190846Y Neon lamp fuse cut-out |
| 02/28/1995 | US5394287 Overcurrent protective device for power device |
| 02/28/1995 | US5394018 Microprocessor based electrical apparatrus with false AC input rejection |
| 02/26/1995 | CA2130772A1 Programming device for a circuit breaker |
| 02/22/1995 | EP0639879A2 Arc detection using current variation |
| 02/22/1995 | CN2190365Y Three-relay differential protective connector of transformer with ballanced impedance match |
| 02/22/1995 | CN2190364Y Protector for open-phase |
| 02/22/1995 | CN1099194A Single phase earthing protection method and device for small current system |
| 02/21/1995 | US5392349 Overvoltage protection scheme for subscriber loops and method of performing same |
| 02/16/1995 | WO1995005023A1 Method and apparatus for rms current approximation |
| 02/15/1995 | CN2189792Y High and low voltage relay with backlash |
| 02/15/1995 | CN2189791Y Multi-function directional transverse difference protector for microcomputer |
| 02/14/1995 | US5390067 Phase selection for ground fault |
| 02/14/1995 | US5390066 Protection device for electrical appliances, machines and installations |
| 02/14/1995 | US5390065 TVSS meter adapter status indicator |
| 02/14/1995 | US5390064 Current limiters in power utility applications |
| 02/09/1995 | DE4326423A1 Method for decoupling a load from a DC voltage supply source, as well as an arrangement |
| 02/08/1995 | CN2189359Y Universal protection arrangement for electric appliance |
| 02/08/1995 | CN2189358Y Emergency protective circuit arrangement |
| 02/08/1995 | CN1098566A An earth leakage unit |
| 02/07/1995 | US5388022 Auto reset circuit breaker |
| 02/01/1995 | EP0637118A1 Circuit for limiting inrush current and overvoltage of an electronic ballast |
| 02/01/1995 | EP0577660B1 Filter for liquids, in particular internal-combustion engine lubricant oils |
| 02/01/1995 | CN1098230A Selective low-voltage leakage protector for mine |
| 01/25/1995 | EP0635923A1 Circuit for protection against high energy overvoltages with controlled voltage clipping |
| 01/25/1995 | EP0635922A1 Fault current acquiring device having high sensitivity |
| 01/25/1995 | EP0440764B1 Microcomputer based electronic trip system for circuit breakers |
| 01/25/1995 | CN2188251Y Electronic power control socket |
| 01/25/1995 | CN2188245Y Multifunctional protective switch starter for electric appliance |
| 01/21/1995 | CA2100891A1 Polarize electronic booster cable |
| 01/19/1995 | WO1995002254A1 Improvements in and relating to electromechanical relays |
| 01/19/1995 | CA2141848A1 Improvements in and relating to electromechanical relays |
| 01/18/1995 | EP0634826A1 Earth fault circuit breaker |
| 01/18/1995 | EP0634825A2 Overcurrent trip unit with indication of dependency of trip functions |
| 01/18/1995 | EP0634306A1 Light irradiation device |
| 01/18/1995 | CN2187852Y Composite overvoltage safe device |
| 01/17/1995 | US5383084 Circuit analyzing system |
| 01/17/1995 | US5382938 PTC element |
| 01/12/1995 | WO1995001666A1 Ground fault protection for electrothermal de-icing applications |
| 01/12/1995 | DE4322845A1 Arrangement for measuring fault currents in load circuits or the like |
| 01/11/1995 | EP0633640A2 An earth leakage unit |
| 01/11/1995 | EP0633584A1 Protection and control device for electrical load |
| 01/11/1995 | CN2187341Y 插头 Plug |
| 01/10/1995 | US5381296 Short circuit limiting protector |
| 01/10/1995 | US5381294 Device for protecting power supply circuit |
| 01/08/1995 | CA2106357A1 Method for implementing selectable protective relay functions |
| 01/05/1995 | WO1995000966A1 Switching contactor driving circuitry |
| 01/04/1995 | EP0632559A1 Negative-sequence time-overcurrent relay |
| 01/04/1995 | EP0632558A1 Automatic resetting protection device to counter short circuits in the on board electrical system of motor vehicles |
| 01/04/1995 | EP0631695A1 Phase selection for ground fault. |
| 01/04/1995 | CN2186967Y Device for preventing sneaking current |
| 01/04/1995 | CN2186966Y Digital pulse electric shock and leakage protector |
| 01/04/1995 | CN1027333C Device for protecting power supply circuit |
| 01/03/1995 | US5378931 Low leakage fuse blown detection circuit |
| 12/28/1994 | EP0630533A1 A short-circuit limiting protector |
| 12/28/1994 | EP0484341B1 A power supply |
| 12/28/1994 | EP0483164B1 A ground fault circuit interrupter |
| 12/28/1994 | CN2186462Y Loss of phase protection device |
| 12/28/1994 | CN2186461Y Anti-explosive multipurpose protection device for coal electric drill |
| 12/28/1994 | CN2186441Y Multifunction triphase alternating contactor |
| 12/27/1994 | US5377067 Junction box with protection function to protect from overvoltage and overcurrent |
| 12/27/1994 | US5376920 Power fail detection circuit |
| 12/21/1994 | CN2185940Y High voltage circuit breaker accident trip record display device |
| 12/20/1994 | US5375032 Trip control device for circuit breaker |
| 12/20/1994 | US5375030 Surge protection device and system |
| 12/20/1994 | US5375029 Overcurrent protection circuit of power device and semiconductor integrated circuit device |
| 12/20/1994 | US5375026 Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault |
| 12/16/1994 | CA2125799A1 Earth fault circuit breaker |
| 12/15/1994 | DE4406533A1 Temperature protection circuit for an inductor |
| 12/14/1994 | CN2185482Y Three-phase ac supply protector |
| 12/14/1994 | CN2185481Y DC solid relay with overcurrent protection |
| 12/14/1994 | CN2185480Y Protector for overcurrent and short circuit of load |
| 12/13/1994 | US5373242 Device for detecting and for indicating fault current through a lightning arrestor or an insulator |
| 12/10/1994 | CA2122763A1 Telephone line overvoltage protection apparatus |
| 12/07/1994 | EP0280698B1 Universal solid state power controller |
| 12/07/1994 | CN2185000Y 三相电路保护器 Three-phase circuit protection |
| 12/07/1994 | CN2184994Y 漏电保护插头 Leakage protection plugs |
| 12/06/1994 | US5371646 Ground fault circuit interrupter |
| 12/01/1994 | DE4418124A1 Device for recognising insulation deterioration on power-supply cables |
| 11/30/1994 | EP0626743A2 Line fault monitoring apparatus |
| 11/30/1994 | EP0626107A1 Method and device for preventing overstabilization of longitudinal differential protection in case of internal fault. |
| 11/30/1994 | EP0336943B1 Phase loss detection circuit including transient protection |
| 11/30/1994 | CN2184291Y Power breakoff protected safety and energy-saving pull switch |
| 11/30/1994 | CN2184282Y Phase order and incomplete phasing protector of a resistance and reactance type |
| 11/30/1994 | CN1026839C Automatic protector for automobile electrical appliance |
| 11/29/1994 | US5369542 Dual trip circuit for circuit breaker |
| 11/29/1994 | US5369541 Three-phase unbalance and voltage monitor circuit |
| 11/29/1994 | US5369356 Distributed current and voltage sampling function for an electric power monitoring unit |
| 11/23/1994 | EP0625814A1 Electronic trip device comprising a power supply control |
| 11/23/1994 | EP0600072A4 Trip energy monitor. |
| 11/23/1994 | EP0600046A4 Microprocessor watch-dog monitor for electronic trip units. |
| 11/23/1994 | CN2183626Y Domestic multi-function safety device |
| 11/23/1994 | CN2183568Y Electric meter preventing fraudulent use of electricity |