| Patents for H02H 7 - Emergency protective circuit arrangements specially adapted for specific types of electric machines or apparatus or for sectionalised protection of cable or line systems, and effecting automatic switching in the event of an undesired change from normal working conditions (32,726) |
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| 01/01/2003 | CN1388618A Output overvoltage protector for stepdown converter |
| 01/01/2003 | CN1097762C Pulse width modulated power supply |
| 12/31/2002 | US6501629 Hermetic refrigeration compressor motor protector |
| 12/31/2002 | US6501628 Method of synchronous circuit opening of generator circuit breaker, and its control apparatus |
| 12/31/2002 | CA2247671C Transmission bandwidth extender/category 5 protector |
| 12/27/2002 | WO2002103874A2 Anti-pinch window control system and method |
| 12/26/2002 | US20020195889 Linear motor and apparatus and method for protecting it |
| 12/26/2002 | US20020195648 Semiconductor device having an ESD protective circuit |
| 12/25/2002 | CN1387049A Data buffer method for real-time closed-loop test of relay protector in electric power system |
| 12/25/2002 | CN1097333C Bus relay protector |
| 12/19/2002 | WO2002045247A3 Direct-current power supply device and method for shutting down a fuel cell block |
| 12/19/2002 | US20020191426 Inrush current limiting circuit, power source device and power conversion device |
| 12/19/2002 | US20020191362 Bus bar thermal detection |
| 12/19/2002 | US20020190694 Protection method, control circuit, and battery unit |
| 12/19/2002 | US20020190687 Marine macerator pump control module |
| 12/19/2002 | US20020190680 Method of compensating for abrupt load changes in an anti-pinch window control system |
| 12/19/2002 | US20020190679 Method for controlling an adjustment process of a part |
| 12/19/2002 | US20020190677 Method for closing a motor driven window |
| 12/19/2002 | US20020190325 Power semiconductor device |
| 12/19/2002 | US20020189831 Dual-mode non-isolated corded system for transportable cordless power tools |
| 12/18/2002 | EP1266445A2 Remote command and control device for at least an electrical element |
| 12/18/2002 | CN2527032Y Electronic magnetic starter for motor |
| 12/18/2002 | CN2527013Y Electronic motor protector |
| 12/18/2002 | CN1096747C 保护电路 Protection circuit |
| 12/17/2002 | US6496343 Overvoltage protection apparatus for a matrix converter |
| 12/17/2002 | US6496342 Distributed monitoring and protection system for a distributed power network |
| 12/17/2002 | US6496012 Apparatus and method for detecting a short circuit in a lighting system |
| 12/17/2002 | US6495986 Safe speed monitoring for sensor-free three-phase drives |
| 12/17/2002 | US6495981 Motorized actuator with a variable stall level |
| 12/12/2002 | US20020185985 Control system for vehicle seat |
| 12/11/2002 | EP1264383A1 Ac/dc chopper for power tool |
| 12/11/2002 | EP1264381A1 Method for monitoring and influencing an electric motor |
| 12/11/2002 | EP1186086B1 Current distribution system |
| 12/11/2002 | EP0914705B1 Overvoltage protection circuit for smps based on demagnetization signal |
| 12/11/2002 | EP0892622B1 Motor controlled surgical system having self clearing motor control |
| 12/11/2002 | CN2525713Y Motor controller |
| 12/11/2002 | CN2525712Y New multifunction motor protector |
| 12/11/2002 | CN2525687Y Lithium secondary battery with built-in protective circuit |
| 12/11/2002 | CN1384574A Electric power converter |
| 12/11/2002 | CN1095707C Low-voltage electromagnetic riveter |
| 12/10/2002 | US6493200 Coaxial cable protection device |
| 12/10/2002 | US6492791 Protection method, control circuit, and battery unit |
| 12/05/2002 | WO2002097947A2 Method for closing a motor driven window |
| 12/05/2002 | WO2002097940A2 Overcurrent detection and protection apparatus for switching element |
| 12/05/2002 | US20020181179 Fault condition protection |
| 12/05/2002 | US20020180611 Apparatus for preventing thermal damage to an electrical power transformer |
| 12/05/2002 | US20020180390 Method and system for detecting an object in the path of an automotive window utilizing a system equation |
| 12/05/2002 | US20020180389 Method for monitoring and influencing an electric motor |
| 12/05/2002 | US20020180269 Method for making allowance for the vehicle attitude on operating cosing piece systems on motor vehicles |
| 12/05/2002 | DE10224174A1 Current interrupt, voltage and abnormality detector circuits, for memories, interrupts current in consumer appliance in coincidence with a single external control signal |
| 12/05/2002 | DE10103336C1 Lade-/Entlade-Schutzschaltung für eine wiederaufladbare Batterie Charge / discharge protection circuit for a rechargeable battery |
| 12/04/2002 | EP1262007A1 Permanent magnet induced electric machine and method for operating such a machine |
| 12/04/2002 | EP0802603B1 Self-excitation type switch power supply unit with overcurrent protection |
| 12/04/2002 | CN2524412Y Lightningproof and overvoltage protector for TV set |
| 12/04/2002 | CN2524411Y Motor status remote comprehensive controller |
| 12/04/2002 | CN1383245A Converter protector |
| 12/04/2002 | CN1383244A Rotation speed monitoring method for protecting AC motor and outputting torsion control |
| 12/03/2002 | US6490141 Power distribution system |
| 11/28/2002 | WO2002095925A1 Method for determining the rotating position of the drive shaft of a commutated direct current motor |
| 11/28/2002 | DE10124614A1 Determining commutated DC motor drive shaft position, involves computing rotation angle since ripple detection, and anticipated time of next ripple detection from motor current |
| 11/27/2002 | CN2523090Y Power resonance protection module group |
| 11/21/2002 | WO2002093710A1 Relaying method for protecting a transformer using a difference of current |
| 11/21/2002 | WO2002074567A3 Method and apparatus for preventing motor over temperature for a window closure system |
| 11/21/2002 | US20020171401 System and method for controlling load dump voltage of a permanent magnet (PM) alternator |
| 11/20/2002 | EP1258793A1 Power supply device, transistor driving method, recording medium |
| 11/20/2002 | CN2521810Y Outdoor high-voltage cable protection box controlled by microcomputer |
| 11/20/2002 | CN2521809Y Over-voltage protector controlled by micro-computer for rotary drill |
| 11/19/2002 | US6483684 Current limiting apparatus |
| 11/19/2002 | US6483680 Magnetizing inrush restraint method and relay for protection of power transformers |
| 11/14/2002 | WO2002091539A1 A device for drive equipment for adjustable furniture |
| 11/14/2002 | US20020167770 Protecting circuit against short-circuit of output terminal of AC adapter |
| 11/14/2002 | US20020167294 Rechargeable power supply system and method of protection against abnormal charging |
| 11/14/2002 | CA2445633A1 Protection of electrical power lines |
| 11/13/2002 | EP1064710B1 Integrated lithium battery protection circuit |
| 11/13/2002 | CN1379519A Comprehensive protector of motor |
| 11/13/2002 | CN1379498A Composite battery having internal breaker |
| 11/13/2002 | CN1379182A Motor protective device of sealing type refrigeration compressor |
| 11/12/2002 | US6479962 In-device charging system and method for multi-chemistry battery systems |
| 11/12/2002 | US6479958 Anti-kickback and breakthrough torque control for power tool |
| 11/07/2002 | WO2002089284A1 Monitoring apparatus |
| 11/07/2002 | US20020163820 Power converter apparatus using power device |
| 11/07/2002 | CA2445152A1 Monitoring apparatus |
| 11/06/2002 | CN1378087A 数字电流差分系统 Digital current differential system |
| 11/05/2002 | US6477069 Circuit for detecting and inadmissibly high current in an output stage |
| 10/31/2002 | WO2002087051A1 Electrical power supply |
| 10/31/2002 | WO2002087050A1 Method and device for measuring the temperature of windings of a drive motor |
| 10/31/2002 | WO2002086270A2 Method and apparatus for facilitating control of a movable barrier operator |
| 10/31/2002 | WO2002049178A3 Compressor terminal fault interruption |
| 10/31/2002 | US20020158596 Convertible power top control system |
| 10/31/2002 | US20020158594 Electric-motor drive |
| 10/31/2002 | US20020157313 Device for estimating safety control area for power windows based upon a fully open position |
| 10/30/2002 | EP1253704A2 Components having actively controlled circuit elements |
| 10/30/2002 | EP1252697A1 Method and circuit for using polarized device in ac applications |
| 10/29/2002 | US6473723 Mimic high pass filter in a protective relay |
| 10/29/2002 | US6473316 Phase control circuit and switching regulator |
| 10/29/2002 | US6473284 Low-power dc-to-dc converter having high overvoltage protection |
| 10/29/2002 | US6472836 Method and arrangement for electrically controlling and regulating the movement of an electrically operated aggregate of a motor vehicle |
| 10/24/2002 | WO2002084837A1 Method and system for protecting electronics mounted on a vehicle |
| 10/24/2002 | WO2001058005A9 Exciter assembly telemetry |
| 10/24/2002 | US20020154464 Components having actively controlled circuit elements |