| 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) |
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| 12/16/2009 | CN201365113Y Automatic main switch |
| 12/16/2009 | CN201365112Y Automatic branch switch |
| 12/16/2009 | CN201365111Y Mining electricity-leakage lockout controller |
| 12/16/2009 | CN201365110Y Device for safely connecting with 220 V alternating current (AC) power supply in field and metering electricity |
| 12/16/2009 | CN201365109Y Relay protection device based on dual-CPU |
| 12/16/2009 | CN201365108Y Relay protecting and measuring combined device integrated with multiple communication interfaces |
| 12/16/2009 | CN101604842A Protective system for electric power system |
| 12/16/2009 | CN101604837A Device and method for controlling infrared lamp ovens |
| 12/16/2009 | CN101604835A Fault current limiter based on fast switch and triggered vacuum switch |
| 12/16/2009 | CN100570976C Method for preventing electric network voltage instantaneous large scale fluctuation interference of enterprise electric equipment |
| 12/16/2009 | CN100570790C Intelligent secure prevention circuit breakers |
| 12/16/2009 | CA2661263A1 Device for neutralizing electrification, preventing electrocution and protecting against the dangers of electricity |
| 12/15/2009 | US7634588 Data migration method for disk apparatus |
| 12/15/2009 | US7633773 On-die anti-resonance structure for integrated circuit |
| 12/15/2009 | US7633736 Circuit interrupter including nonvolatile memory storing cause-of-trip information |
| 12/15/2009 | US7633734 AC melt to bushing current detector |
| 12/15/2009 | US7633733 Short circuit detector for fieldbus cable system network |
| 12/15/2009 | US7633732 Electrical over/under voltage automatic disconnect apparatus and method |
| 12/15/2009 | US7633729 Alternating current series arc fault detection method |
| 12/15/2009 | US7633728 Arc fault circuit interrupter and method of parallel arc fault detection |
| 12/15/2009 | US7633727 Arc fault circuit interrupter and series arc fault detection method using plural high frequency bands |
| 12/15/2009 | US7633726 Ground fault circuit interrupters with miswiring or reverse wiring protection and end of life alarm signal |
| 12/15/2009 | US7633725 Micro-electromechanical system based soft switching |
| 12/15/2009 | US7633399 Configurable arc fault or ground fault circuit interrupter and method |
| 12/15/2009 | CA2450290C Electrical fault detection system |
| 12/15/2009 | CA2444495C Method and apparatus for facilitating control of a movable barrier operator |
| 12/10/2009 | WO2009148758A1 Building service ground fault interrupter |
| 12/10/2009 | WO2009147078A1 Method and system for the differential protection of an electrical link in a medium-voltage, high-voltage or very high-voltage network |
| 12/10/2009 | WO2009146973A1 Protection device against corrosion for an on-board electrical system, and method for controlling said on-board electrical system |
| 12/10/2009 | US20090303652 Method and apparatus for reducing differential mode and common mode reflections in motor drives |
| 12/10/2009 | US20090303651 Single-Phase Transient Voltage Suppression Circuit |
| 12/10/2009 | US20090303650 Monitoring circuit for semiconductor device |
| 12/10/2009 | US20090303648 System and method for conditioning a power supply transmission for supply to a load circuit |
| 12/10/2009 | US20090303647 Apparatus for Short Circuit Protection |
| 12/10/2009 | DE102008028202A1 Schaltung zur Ansteuerung eines elektrischen Verbrauchers Circuit for controlling an electrical consumer |
| 12/10/2009 | DE102008027428A1 Verbesserter Ladegerät-Überspannungsschutz-FET Improved charger overvoltage protection FET |
| 12/10/2009 | CA2730375A1 A method and apparatus for providing differential protection for an electrical link in a medium, high, or very high voltage network |
| 12/10/2009 | CA2723783A1 Building service ground fault interrupter |
| 12/09/2009 | EP2131468A1 Combined device for electrical protection against transient, temporary and permanent overvoltages |
| 12/09/2009 | EP2131467A1 Quick and safe electronic fuse |
| 12/09/2009 | EP2130275A1 Error recognition in a control unit |
| 12/09/2009 | CN201360296Y Mine intrinsic safety infrared network camera |
| 12/09/2009 | CN201360138Y Voltage frequency intelligent control device |
| 12/09/2009 | CN201360137Y Phase sequence protection device for three-phase power supply |
| 12/09/2009 | CN201360136Y Novel residual current operating device with grounding wire protection function |
| 12/09/2009 | CN201360135Y Intelligent integrated leakage protection device |
| 12/09/2009 | CN201360134Y Early-warning system for overload of household electricity |
| 12/09/2009 | CN201360133Y Intelligent electric-limiting energy meter |
| 12/09/2009 | CN201360132Y Automatic action or warning circuit for wire breakage of circumscribed residual current mutual inductor |
| 12/09/2009 | CN201360110Y Intelligent fireproof electricity-leakage monitor |
| 12/09/2009 | CN201360082Y Power failure automatic protective socket |
| 12/09/2009 | CN201359983Y Electric-leakage switch |
| 12/09/2009 | CN101600285A Liquid crystal display, backlight module and drive method thereof |
| 12/09/2009 | CN101600278A Light emitting diode multiphase driver circuit |
| 12/09/2009 | CN101599637A Voltage loss protective device and control bus automatic voltage regulator |
| 12/09/2009 | CN101599632A Monitoring and control circuit for adjusting current |
| 12/09/2009 | CN101599631A Electric leakage protecting device for testing tool |
| 12/09/2009 | CN101599630A Method, device and switch for protecting resistive alternating current load from being shorted out |
| 12/09/2009 | CN101599629A Universal trip unit |
| 12/09/2009 | CN101599628A FPGA-based solid-state power controller inverse time over-current protection device |
| 12/09/2009 | CN101599398A Earth leakage circuit breaker |
| 12/09/2009 | CN100568657C 50Hz and 100Hz protection and setting method for high voltage DC power input system |
| 12/09/2009 | CN100568656C Current fault detector and circuit interrupter and packaging thereof |
| 12/09/2009 | CN100568655C Flow-limiting safety electric water heater |
| 12/09/2009 | CN100568654C Electrical power switching system and electrical power system |
| 12/09/2009 | CN100568653C Safety alarm device for power line |
| 12/08/2009 | US7630187 High-voltage pulse protection device and video apparatus deployment thereof |
| 12/08/2009 | US7630186 Current protection apparatus and method |
| 12/08/2009 | US7630185 Electronic circuit breaker |
| 12/08/2009 | US7630182 Aircraft applicable current imbalance detection and circuit interrupter and packaging thereof |
| 12/08/2009 | US7630181 High-power ultracapacitor energy storage pack and method of use |
| 12/08/2009 | US7630178 Semiconductor integrated circuit |
| 12/08/2009 | US7629771 Protection device for non-common ground buses |
| 12/08/2009 | US7628879 Conductive scrim embedded structural adhesive films |
| 12/08/2009 | CA2488045C Instantaneous overcurrent element for heavily saturated current in a power system |
| 12/03/2009 | WO2009145692A1 Switch module for a power supply network and power supply network comprising at least one switch module |
| 12/03/2009 | WO2009145678A1 Switch module for a power supply network and power supply network comprising at least one switch module |
| 12/03/2009 | WO2009144216A1 Surge arrester comprising an integrated protection device |
| 12/03/2009 | WO2008146061A3 Electric power generating unit for powering the consumer grid or unit |
| 12/03/2009 | US20090296303 Overvoltage Protection Plug |
| 12/03/2009 | US20090296301 SCR circuit for protecting central office end of telephone line |
| 12/03/2009 | US20090296288 Bi-directional gfci |
| 12/03/2009 | DE102008025801A1 Motor vehicle, has electrical energy storage that is coupled with energy supply system in pole-protected manner, and pole protection switching unit that is closable by device for detecting polarity during correct polarity |
| 12/02/2009 | EP2128951A1 Electronic active earthing system for use in high-voltage distribution networks |
| 12/02/2009 | EP2127080A1 Power supply switching apparatus with severe overload detection |
| 12/02/2009 | EP2127053A1 Protective device |
| 12/02/2009 | CN201355765Y Alternating current high-voltage electric-shock resistance device |
| 12/02/2009 | CN201355764Y Three-phase combined type over-voltage protector |
| 12/02/2009 | CN201355763Y Self-releasing three-phase combined type over-voltage protector |
| 12/02/2009 | CN201355762Y Alternating current overvoltage protecting device |
| 12/02/2009 | CN201355438Y Height controller of plasma cutting gun |
| 12/02/2009 | CN101595615A Structure and method for self protection of power device |
| 12/02/2009 | CN101595614A Electric installation arrangement and method for the operation of an electric installation arrangement |
| 12/02/2009 | CN101595390A Synchronous phasor measuring device and inter-bus phase angle difference measuring device employing it |
| 12/02/2009 | CN101594723A Backlight driving circuit |
| 12/02/2009 | CN101594064A Switch power controller |
| 12/02/2009 | CN101594007A Expandable energy storage for portable electronic devices |
| 12/02/2009 | CN101593964A Method for longitudinal zero-sequence power direction protection of double circuit line on same pole |
| 12/02/2009 | CN101593963A Overvoltage protection circuit |
| 12/02/2009 | CN101593962A Anti-electric shock device for household appliance |