| 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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| 11/18/2009 | CN201349072Y High-accuracy over-current protecting socket |
| 11/17/2009 | US7619867 Conformal coating enhanced to provide heat detection |
| 11/17/2009 | US7619859 Electric power steering device |
| 11/12/2009 | US20090279223 Sensor Element for a Fault Interrupter and Load Break Switch |
| 11/11/2009 | EP2117095A1 Moisture protection circuit |
| 11/11/2009 | CN201345572Y Flameproof and intrinsically safe variable frequency motor |
| 11/11/2009 | CN201345535Y Protective device preventing buzzer burning out |
| 11/11/2009 | CN201345066Y High-precision automatic AC voltage regulator |
| 11/10/2009 | US7616420 Excessive surge protection method and apparatus |
| 11/10/2009 | US7614299 Device and method for monitoring a gas volume in a unit filled with liquid |
| 11/10/2009 | CA2432512C Power tools |
| 11/05/2009 | WO2009101333A3 Electronic device, especially for motor vehicle |
| 11/05/2009 | US20090273314 Battery pack and control method |
| 11/04/2009 | EP1240702B1 Thermally protected electric machine |
| 11/04/2009 | CN201341111Y Power unit control circuit board of high-voltage frequency transformer |
| 11/04/2009 | CN201340777Y Self-cooled high-frequency transformer unit with temperature protection function |
| 10/28/2009 | CN101567555A 电池组 Battery |
| 10/28/2009 | CN101567551A Two-way overload protective device for drive mechanism |
| 10/28/2009 | CN100555789C Electronic group sealing |
| 10/27/2009 | US7607828 Methods and systems for protection from over-stress |
| 10/22/2009 | WO2009128478A1 Load circuit protection device |
| 10/22/2009 | US20090262468 Temperature protection circuit, power supply, and electronic device |
| 10/21/2009 | CN201332259Y Three-phase zero-sequence temperature-controlled overload phase-loss automatic protection motor |
| 10/21/2009 | CN201331390Y Wireless temperature monitoring system device for buses in high and low voltage distribution cabinet |
| 10/21/2009 | CN101563824A System and method to determine the impedance of a disconnected electrical facility |
| 10/21/2009 | CN100553067C Coordinating action method for protecting steam generator set shafting torsional oscillation |
| 10/21/2009 | CN100553062C Shafting torsional oscillation protecting equipment of steam turbo-generator set |
| 10/21/2009 | CN100553061C Double line protector for electric appliance |
| 10/20/2009 | US7606011 Motor controller with automated input power determination |
| 10/20/2009 | US7605352 Method for sorting positive temperature coefficient (PTC) elements |
| 10/15/2009 | WO2009126247A1 Over heating detection and interrupter circuit |
| 10/15/2009 | US20090257164 Protection device, protection method using the same, method for processing signal using the same, and method for detecting quantity of electricity using the same |
| 10/14/2009 | EP2109205A1 Remote operation control of a MV/LV transformer station and remote signalling of faults |
| 10/14/2009 | CN201327995Y Reactive power compensation device with temperature control function |
| 10/14/2009 | CN201327994Y Over displacement protective switch |
| 10/14/2009 | CN101557186A Maintenance-free motor soft starter with self-checking function |
| 10/14/2009 | CN101557095A Temperature protective dry-type air core reactor and temperature measuring method thereof |
| 10/14/2009 | CN101557092A Protection circuit and circuit protection method |
| 10/14/2009 | CN101554982A Wired monitoring multi-protection controller of electric hoist |
| 10/14/2009 | CN101554981A Electric hoist wireless monitor multi-protection controller |
| 10/14/2009 | CN100549713C Insulation monitoring system |
| 10/13/2009 | US7602594 Motor control apparatus and motor control method |
| 10/13/2009 | CA2557865C Power supply device |
| 10/08/2009 | WO2009124149A1 Shock proof devices and methods |
| 10/08/2009 | US20090251832 Over heating detection and interrupter circuit |
| 10/08/2009 | CA2723338A1 Shock proof devices and methods |
| 10/07/2009 | CN201323511Y Motor coil insulation tape lapping machine with constant-tension control and broken tape protection |
| 10/07/2009 | CN201323438Y High temperature protector for electrical appliance |
| 10/07/2009 | CN201323437Y Cut-off device for trolley wires |
| 10/07/2009 | CN201322982Y 温控报警装置 Temperature alarm device |
| 10/07/2009 | CN101552456A Hot plug electronic device with high use safety and overheating protection device thereof |
| 10/07/2009 | CN101552077A Superconducting magnet system for generating high magnetic field and high uniformity |
| 09/30/2009 | CN201319501Y Steady-state error interference preventing powered device |
| 09/30/2009 | CN101546915A Environment-friendly energy-saving portable generator |
| 09/30/2009 | CN101546911A Multifunctional lightning protection module |
| 09/30/2009 | CN101546903A Safety device for emergent power cutoff of coach |
| 09/29/2009 | US7595970 Electronic trip indicator |
| 09/24/2009 | US20090237853 Load drive apparatus |
| 09/24/2009 | US20090237852 Hot plug electronic device with high using safety and over-thermal protection device thereof |
| 09/24/2009 | DE102007058376B4 Schaltungsanordnung zum Betreiben eines Hausgeräts Circuit arrangement for operating a household appliance |
| 09/23/2009 | CN101540497A Thermal-shutdown circuit and method thereof |
| 09/23/2009 | CN101540494A Temperature inclining controller |
| 09/23/2009 | CN101540492A Intelligent fuse |
| 09/17/2009 | WO2009113281A1 Power apparatus and electronic apparatus using the same |
| 09/17/2009 | US20090230892 Safety loop for a light fixture |
| 09/17/2009 | DE102008013447A1 Surge arrester, has separating device integrated in electrical contact path of arresting element, where defect state variable of arrester is supplied to auxiliary module to pass high switching current or short-circuit current over module |
| 09/16/2009 | CN100541957C Monitoring device, electrical machine tool, current supply device, and associated method of operation |
| 09/15/2009 | US7589942 MEMS based motor starter with motor failure detection |
| 09/11/2009 | WO2009110200A1 Electric power equipment, and electronic device and power supply element inspection equipment using same |
| 09/10/2009 | US20090225485 Isolating Device for a Power Semiconductor and Method for its Operation, Power Module and System Installation |
| 09/10/2009 | DE102007025345B4 Vorrichtung zum Schutz von Kraftfahrzeugkomponenten Device for protection of motor vehicle components |
| 09/09/2009 | EP2097961A1 Power supply monitoring system |
| 09/09/2009 | CN101529684A Method for protecting a heating element, and heating device |
| 09/09/2009 | CN100539348C Secondary battery with protective circuit |
| 09/08/2009 | US7586726 Switching element overcurrent protection circuit which operates within a high-voltage system that incorporates the switching element |
| 09/08/2009 | US7586725 Method of providing a secondary means of overload protection and leakage current protection in applications using solid state power controllers |
| 09/08/2009 | US7586722 High voltage interlock system and control strategy |
| 09/03/2009 | WO2009106164A1 Protection device for equipment |
| 09/03/2009 | WO2008155065A3 Device for the operation of electronic circuits on a high-voltage potential |
| 09/02/2009 | EP2095481A1 System and method to determine the impedance of a disconnected electrical facility |
| 09/02/2009 | EP2095480A1 Electric installation arrangement and method for the operation of an electric installation arrangement |
| 09/02/2009 | CN201303248Y A vacuum chamber protection circuit for cast steel molding sand equipment |
| 09/02/2009 | CN101521369A Method and system of providing overload and short-circuit protection for a switched mode power supply |
| 09/02/2009 | CN101521078A Superconducting magnet with quench protection circuit |
| 09/01/2009 | US7583483 Vehicle AC ground fault detection system |
| 08/27/2009 | WO2009103896A2 Protection device against overvoltage including a disconnection accessory |
| 08/27/2009 | US20090213517 Switching device for switching at least one current |
| 08/27/2009 | US20090213516 Power distribution bus with protection and alarming |
| 08/26/2009 | CN201298728Y Intelligent monitoring apparatus for electricity safety |
| 08/26/2009 | CN100533904C Protector for electrical equipment |
| 08/20/2009 | WO2009101333A2 Electronic device, especially for motor vehicle |
| 08/19/2009 | CN201294370Y Intelligent control protection and management device |
| 08/19/2009 | CN100530877C Novel fault protection process for intelligent circuit breakers |
| 08/19/2009 | CN100529709C Method for detecting shafting torsional oscillation mode of generator set |
| 08/12/2009 | EP2087569A2 Adaptive relaying controlled by autonomous event detection |
| 08/12/2009 | CN201290022Y Charging hubs for mobile terminal |
| 08/12/2009 | CN201290003Y Overheat protector for motor bearing |
| 08/11/2009 | US7573690 Backup fuse device, electronic apparatus including the backup fuse device, and method of operating the backup fuse device |
| 08/05/2009 | CN101501952A Overload prevention device for permanent magnet DC motors |
| 08/05/2009 | CN101499544A Battery apparatus, protection circuit, temperature monitoring method and temperature sensor laying method |