| Patents for H02H 5 - Emergency protective circuit arrangements for automatic disconnection directly responsive to an undesired change from normal non-electric working conditions with or without subsequent reconnection (5,568) |
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| 08/05/2004 | DE10251763B3 Vorrichtung zur Ansteuerung mehrerer Elektromotoren Apparatus for controlling several electric motors |
| 08/04/2004 | CN1161003C Bipolar power device having integrated thermal protection for driving electric loads |
| 08/03/2004 | US6771152 Pivot point reset lockout mechanism for a ground for fault circuit interrupter |
| 08/03/2004 | US6770985 In-vehicle electric load drive/controlling device incorporating power MOSFET thermal protection |
| 07/29/2004 | US20040144188 Internal vibrator for concrete compacting |
| 07/27/2004 | US6768622 Method and apparatus for providing thermal shutdown and current limiting protection |
| 07/27/2004 | US6768228 AC power protection unit |
| 07/22/2004 | US20040141264 Reset lockout mechanism and independent trip mechanism for center latch circuit interrupting device |
| 07/22/2004 | US20040140779 Device for actuating a plurality of electric motors |
| 07/21/2004 | CN2627553Y Automatic controller for coal mine emulsion pump station |
| 07/14/2004 | CN2626106Y Excess temperature protection circuit for brushless motor |
| 07/13/2004 | US6762917 Method of monitoring ESC levels and protective devices utilizing the method |
| 07/01/2004 | US20040124784 Lighting system and electric power supplier for the same |
| 06/30/2004 | EP1432553A2 Power tool safety mechanisms |
| 06/30/2004 | CN1508957A Anti-overheating device for induction motor |
| 06/24/2004 | WO2004054062A1 Device for protection from thunder |
| 06/24/2004 | US20040120382 Structure and method of thermally protecting power devices for airbag deployment |
| 06/17/2004 | US20040113806 Safety protection circuit |
| 06/15/2004 | US6751080 Control circuit for semiconductor device with overheat protecting function |
| 06/10/2004 | WO2004030171A9 Device safety system and method |
| 06/10/2004 | US20040108923 Reset lockout for circuit interrupting device |
| 06/09/2004 | DE20320319U1 Electrical/electronic transformer for converting supply voltage to load voltages has temperature-controlled device preventing overheating by reducing converter power if secondary side short-circuited |
| 06/09/2004 | CN2620450Y Temp detection type pass load-speaker protector |
| 06/09/2004 | CN2620410Y Multifunctional transformer protector |
| 05/27/2004 | US20040100749 System, apparatus, and method for controlling lamp operation when subject to thermal cycling |
| 05/26/2004 | CN1499688A Motor protector |
| 05/21/2004 | WO2004008500A3 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same |
| 05/19/2004 | EP1145264A4 Silicon equivalent ptc circuit |
| 05/19/2004 | CN1497259A Direct earth detector and system connecting generating device using it |
| 05/13/2004 | DE10249599A1 Sicherheitsschaltung für analoge Sensoren Safety circuit for analog sensors |
| 05/12/2004 | CN2615831Y Surface mounting integrated circuit protector |
| 05/06/2004 | WO2004038882A1 Protective circuit for analog sensors |
| 04/29/2004 | DE19625408B4 Schaltungsanordnung zur Erdungsüberwachung und zum Schutz vor gefährlichen Körperströmen, insbesondere für Geräte mit vorgeschriebenem Potentialausgleich in TT-Netzen, sowie eine Verwendung hierfür Circuit arrangement for ground monitoring and protection against dangerous body currents, especially for devices with prescribed equipotential bonding in TT systems, and use this |
| 04/29/2004 | DE10141349B4 Nicht-intrusives Ereignislokalisierungssystem und Verfahren zur Ereignislokalisierung für ein Überhitzungsdetektionssystem Non-intrusive event location system and method for event localization for an overheating detection system |
| 04/28/2004 | CN1492557A Circuit protector and method for over current and over heat protection thereof |
| 04/28/2004 | CN1147998C Power supply control equipment and method |
| 04/27/2004 | US6727821 Apparatus and method for predicting an overload trip for an electrical power transformer |
| 04/22/2004 | WO2004034542A1 Secondary battery with protective circuit |
| 04/22/2004 | WO2004034541A1 Over-voltage protection arrangement for a low voltage power supply |
| 04/22/2004 | WO2002017456A8 Protective relay |
| 04/21/2004 | CN1490912A Automatic protective leakage circuit breaker for fire hazard |
| 04/21/2004 | CN1490911A Automatic protective leakage switch for fire hazard |
| 04/20/2004 | US6724598 Solid state switch with temperature compensated current limit |
| 04/15/2004 | US20040070904 Over-voltage protection arrangement for a low voltage power supply |
| 04/15/2004 | DE10246107A1 Error and fault monitoring method especially for motor vehicle electrical loads, involves measuring load voltage in one average resistance measurement by measuring shunt |
| 04/14/2004 | EP1408594A2 DC ground fault detector and system-interconnected generation device using the DC ground fault detector |
| 04/14/2004 | CN2612148Y Soft starting protector of dynamo |
| 04/14/2004 | CN2611591Y Protector for preventing pumping unit from overturning |
| 04/13/2004 | US6721159 Power feeding apparatus, transporter and transport system |
| 04/08/2004 | WO2004030172A1 Method and apparatus for monitoring a technical installation, especially for carrying out diagnosis |
| 04/08/2004 | WO2004030171A1 Device safety system and method |
| 04/07/2004 | EP1406312A2 An optically coupled device |
| 04/07/2004 | EP1405383A1 Method and device for protecting a conductor when an electric arc is produced |
| 04/07/2004 | EP1247319B1 An improved electronic earth leakage current device |
| 04/07/2004 | CN1487642A Overheat protection circuit |
| 04/06/2004 | US6717782 Circuit breaker with independent trip and reset lockout |
| 04/06/2004 | US6717519 Method and apparatus for detecting failure in solar cell module, and solar cell module |
| 03/31/2004 | CN2609319Y X-ray machine heat protector |
| 03/31/2004 | CN2609256Y Automatic protector for submersible motor |
| 03/30/2004 | US6714391 Ultracapacitor energy storage cell pack and methods of assembling and cooling the same |
| 03/30/2004 | CA2189342C High-safety control device for electric heating appliances |
| 03/25/2004 | WO2004025798A1 A self contained monitoring circuit and an electrical appliance incorporating such circuit |
| 03/18/2004 | US20040052025 Electronic component production method and burn-in apparatus |
| 03/16/2004 | US6707652 Electrical switching apparatus including glowing contact protection |
| 03/10/2004 | EP1105901A4 Circuit interrupting system with independent trip and reset lockout |
| 03/04/2004 | US20040042142 Overheat protection circuit |
| 02/25/2004 | CN1477747A Apparatus for monitoring neutral wire and earth wire, and electric switch device containing the same |
| 02/25/2004 | CN1139864C Battery for portable computer |
| 02/24/2004 | US6697244 Fault-current protection device with an overload protection device |
| 02/18/2004 | CN1139166C Method and device for monitoring insulation and fault current in electric AC network |
| 02/17/2004 | US6693779 IDCI with reset lockout and independent trip |
| 02/12/2004 | US20040028167 Electromagnetic protector application specific integrated circuit (ASIC) |
| 02/11/2004 | EP1387917A1 Internal vibrator for concrete compacting |
| 02/05/2004 | US20040024545 Device for monitoring a neutral and earth break and electrical switchgear apparatus comprising such a device |
| 02/05/2004 | DE10234389A1 Leitungsanordnung für Bordnetze von Fahrzeugen Line arrangement for electrical systems of vehicles |
| 02/04/2004 | CN1472877A Inverter circuit device with temperature testing circuit |
| 01/28/2004 | EP1385177A1 Circuit arrangement for electrical network on board a vehicle |
| 01/22/2004 | WO2004008500A2 Method of protecting semiconductor device and protection apparatus for semiconductor device using the same |
| 01/21/2004 | EP1383218A1 Device for monitoring break of neutral and earth, and apparatus for switching off comprising such a device |
| 01/15/2004 | US20040008460 Electrical switching apparatus including glowing contact protection |
| 01/15/2004 | US20040008457 Inverter circuit device with temperature detection circuit |
| 01/14/2004 | EP0976189B1 Method for determining the location of a partial discharge |
| 01/14/2004 | CN2599590Y Intelligent controller for preventing illegal using electricity |
| 01/07/2004 | CN1134092C Power supply line and equipment overheat detecting protector |
| 01/06/2004 | US6674625 Lightning protection systems |
| 01/06/2004 | US6674623 Microcomputer equipped with built-in temperature sensor |
| 12/31/2003 | WO2004001925A1 Multiple load protection and control device |
| 12/31/2003 | CN1464609A Cold-water waterless automatic overload protecting method and apparatus for generator stator |
| 12/31/2003 | CN1464608A Overtemperature protective circuit breaker |
| 12/31/2003 | CN1463848A Ink-jet printer ink-ejecting unit open circuit and short circuit testing process and apparatus |
| 12/30/2003 | US6671152 Power MOS transistor with overtemperature protection circuit |
| 12/30/2003 | US6668781 Electric starter device for an internal combustion engine |
| 12/25/2003 | US20030234245 Multiple load protection and control device |
| 12/23/2003 | US6667868 Thermal shutdown control for multi-channel integrated circuit boards |
| 12/23/2003 | US6667461 Multiple load protection and control device |
| 12/18/2003 | WO2003105304A1 Protection of electric energy consumers against earthquakes |
| 12/17/2003 | CN2593436Y Overtemperature accident treatment apparatus for multi-region heating equipment |
| 12/10/2003 | CN2591828Y Dry type transformer thermal protector |
| 12/10/2003 | CN2591827Y Water flow turning-on &-off motion monitoring & protector |
| 12/04/2003 | US20030223162 Circuit configuration for identifying a fault state |