| Patents for H02H 1 - Details of emergency protective circuit arrangements (5,580) |
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| 04/29/2004 | DE10248640A1 Line protection switch for electrical installation with passive radio transponder for transmission of switch information to external signal processing unit |
| 04/28/2004 | EP1413058A1 Delta filter with an adaptive time window for protective relays |
| 04/27/2004 | US6728085 Circuit breaker with shunt |
| 04/22/2004 | US20040078463 Method and apparatus for minimally invasive network monitoring |
| 04/22/2004 | DE10245242A1 Verfahren zur Überstromerkennung eines elektrischen Antriebes A method for overcurrent detection of an electric drive |
| 04/21/2004 | CN1491470A Overload current protection device using magnetic impedance element |
| 04/20/2004 | US6724604 Shorting switch and system to eliminate arcing faults in power distribution equipment |
| 04/20/2004 | US6724600 Combination current sensor and relay |
| 04/20/2004 | US6724597 Protection device for low voltage networks |
| 04/15/2004 | WO2004032301A1 Fibre-optical sensor for open electric arc |
| 04/15/2004 | US20040070912 Method and system to increase the throughput of a communications system that uses an electrical power distribution system as a communications pathway |
| 04/15/2004 | US20040070909 Digital protection relay with time sync function |
| 04/15/2004 | US20040070898 Arc-fault detecting circuit breaker system |
| 04/13/2004 | US6721670 Crossover fault classification for power lines with parallel circuits |
| 04/13/2004 | US6721152 Boost circuit and power supply converter |
| 04/13/2004 | US6721151 Ground fault interrupter |
| 04/08/2004 | WO2004030173A1 Method for identifying an overload current of an electric drive |
| 04/08/2004 | WO2004030171A1 Device safety system and method |
| 04/08/2004 | WO2003073454A3 Circuit breaker lockout |
| 04/08/2004 | US20040066598 Monitoring system |
| 04/08/2004 | US20040066593 Arc fault detector with circuit interrupter |
| 04/08/2004 | DE10246479A1 Niederspannungs-Leistungsschalter mit zusätzlicher Schnellauslösung Low-voltage circuit breaker with additional quick release |
| 04/07/2004 | EP1406365A1 Field current supply for an electric rotary machine |
| 04/06/2004 | US6718271 Fault detection apparatus and method of detecting faults in an electrical distribution network |
| 04/06/2004 | US6717786 Automatic voltage source selector for circuit breakers utilizing electronics |
| 04/06/2004 | US6717782 Circuit breaker with independent trip and reset lockout |
| 04/03/2004 | CA2790807A1 Arc fault detector with circuit interrupter |
| 04/01/2004 | WO2002061905A9 Aircraft applicable ground fault circuit interrupter |
| 04/01/2004 | WO2002039561A3 Detection of arcing in dc electrical systems |
| 04/01/2004 | DE10243858A1 Netzüberspannungsschutz Power Surge Protection |
| 04/01/2004 | DE10243386A1 Elektronischer Zweileiterschalter und zugehörige Spannungsversorgung Electronic two-state switches and associated power supply |
| 03/31/2004 | EP1403997A2 Digital protection relay with time sync function |
| 03/31/2004 | EP1403994A1 Low voltage circuit breaker with additional fast trip |
| 03/31/2004 | EP1402611A2 Anti-pinch window control system and method |
| 03/31/2004 | CN1144248C Earth leakage breaker |
| 03/31/2004 | CN1144055C Method and circuit for measuring current |
| 03/25/2004 | WO2003103349A3 Motor speed-based anti-pinch control apparatus and method |
| 03/25/2004 | US20040059469 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 03/25/2004 | US20040057527 System and method for the data transmission of digital transmission data |
| 03/25/2004 | US20040057170 System and method for detecting loss of phase in a compressor system |
| 03/24/2004 | EP1401076A2 System and method for detecting loss of phase in a compressor system |
| 03/24/2004 | EP1401075A2 Net overvoltage protection |
| 03/24/2004 | EP1401074A2 Electronic two-wire type switch and power supply therefor |
| 03/24/2004 | EP1399998A2 Circuit arrangement for a residual-current circuit breaker |
| 03/24/2004 | EP1310030B1 Method for controlling and adjusting a motor-driven adjusting device |
| 03/24/2004 | CN1484881A Low-voltage electronic residual current circuit breaker |
| 03/24/2004 | CN1484353A Overvoltage protector for electric network |
| 03/24/2004 | CN1484120A Digital type protective controller |
| 03/23/2004 | US6711512 Pole transformer load monitoring system using wireless internet network |
| 03/23/2004 | US6710988 Small-sized industrial rated electric motor starter switch unit |
| 03/23/2004 | US6710580 Method and apparatus for overload-controlling inverter power generation apparatus |
| 03/23/2004 | CA2207707C Apparatus for detecting an insulation defect in a device connected into an electrical power transmission or distribution network and corresponding detection process |
| 03/18/2004 | WO2004008600A3 Electrical network protection system |
| 03/18/2004 | WO2003098403A3 Electric load management center |
| 03/18/2004 | WO2003090327A3 Protective relay with synchronized phasor measurement capability for use in electric power systems |
| 03/16/2004 | US6707652 Electrical switching apparatus including glowing contact protection |
| 03/16/2004 | US6707651 ARC fault or ground fault or ARC fault/ground fault trip signal generator and trip unit employing the same |
| 03/10/2004 | EP1396075A2 Method for closing a motor driven window |
| 03/10/2004 | EP1105901A4 Circuit interrupting system with independent trip and reset lockout |
| 03/10/2004 | EP1034591A4 Arcing fault protection system for a switchgear enclosure |
| 03/09/2004 | US6704568 Protection system for an electricity network having an infrared data transmission link using the WAP protocol |
| 03/09/2004 | US6704181 Adaptive power circuit protection apparatus and method |
| 03/09/2004 | US6703842 Method for discriminating abnormal current including arc current in AC load circuit and apparatus for executing the same |
| 03/04/2004 | US20040042149 Surge lightning protection device |
| 03/04/2004 | US20040042137 Load recognition and series arc detection using bandpass filter signatures |
| 03/02/2004 | US6701262 Current detecting circuit |
| 02/26/2004 | WO2003073221A3 Integrated protection, monitoring and control system |
| 02/26/2004 | WO2003073181A9 Data sample and transmission modules for power distribution systems |
| 02/25/2004 | CN1140029C System and method for preventing undesired protective relay tripping actions due to coupling capacitor voltage transformer transients |
| 02/24/2004 | US6697240 Method and apparatus for automated reconfiguration of an electric power distribution system with enhanced protection |
| 02/18/2004 | EP1064162B1 Method and device for operating an adjusting drive in a motor vehicle |
| 02/18/2004 | CN1475809A Current transfermer system |
| 02/18/2004 | CN1139166C Method and device for monitoring insulation and fault current in electric AC network |
| 02/17/2004 | US6694270 Phasor transducer apparatus and system for protection, control, and management of electricity distribution systems |
| 02/17/2004 | US6693779 IDCI with reset lockout and independent trip |
| 02/17/2004 | US6693438 Self-powered apparatus and method for optically detecting arcing faults in electric power systems in the presence of other light sources |
| 02/12/2004 | US20040027752 Method and apparatus for controlling a startup signal during a brownout |
| 02/12/2004 | US20040027750 Digital protection and control device |
| 02/12/2004 | US20040027749 Detection of arcing in dc electrical systems |
| 02/12/2004 | US20040027748 Electrical protection system |
| 02/12/2004 | US20040027740 Receptacle device having circuit interrupting and reverse wiring protection |
| 02/05/2004 | WO2003102339A3 Motor speed-based anti-pinch control apparatus and method with endzone ramp detection and compensation |
| 02/05/2004 | US20040024475 Method and apparatus for optimized centralized critical control architecture for switchgear and power equipment |
| 02/03/2004 | US6686669 Method and device for operating an adjusting drive in a motor vehicle |
| 01/29/2004 | US20040019410 Protection system for power distribution systems |
| 01/29/2004 | US20040017114 Voltage adaptor card for motherboard |
| 01/28/2004 | EP1385360A1 Inverter system and fault current detection method therefor |
| 01/28/2004 | EP1385015A2 Tester for a plurality of circuit breakers having a range of rated currents and multiple trip functions |
| 01/28/2004 | EP1384300A1 Monitoring apparatus |
| 01/27/2004 | US6683799 Inverter protecting apparatus |
| 01/27/2004 | US6683769 Protective relay apparatus |
| 01/27/2004 | US6683766 DC arc detection and prevention circuit and method |
| 01/27/2004 | CA2325680C Self-supplied dc/dc switching power supply |
| 01/22/2004 | WO2004008600A2 Electrical network protection system |
| 01/22/2004 | WO2003073224A3 Electrical protection system for reliability improvement based on sensitivity analysis |
| 01/22/2004 | US20040012987 Anomaly detection circuit of inverter and electronic apparatus comprising inverter incorporating the same |
| 01/22/2004 | US20040012901 Electrical arc furnace protection system |
| 01/22/2004 | US20040012393 Tester for a plurality of circuit breakers having a range of rated currents and multiple trip functions |
| 01/22/2004 | US20040012381 Inverter system |
| 01/22/2004 | DE10222768B3 Quenchdetektor Quench |