| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 05/01/2008 | US20080100973 Electrostatic discharge (ESD) protection arrangement and ESD protection method |
| 04/30/2008 | EP1916753A1 System for overvoltage suppression, e.g. for construction equipment |
| 04/30/2008 | DE102006051166A1 Cut-off arrangement for surge arrester in electrical power supply system, has two electrodes, where one electrode includes recess in which part of gas generator is arranged, and recess is covered by electrically conducting cover |
| 04/30/2008 | CN201054500Y Direction ground arc-elimination and cable selection suite device |
| 04/30/2008 | CN201054499Y Multi-function integrated over-voltage protection device |
| 04/30/2008 | CN201054498Y Power stress prevention Interface protection circuit |
| 04/30/2008 | CN201054495Y Online monitoring and over-current limit device for power transformer iron core ground current |
| 04/30/2008 | CN101170258A Half wave arc extinguishing type superconductive fault current limit possessing integral high speed switch module |
| 04/30/2008 | CN101170257A Backup protection unit for surge protector |
| 04/30/2008 | CN101170100A Static discharging protection circuit |
| 04/30/2008 | CN101169899A Signal distributor with electric surge protection |
| 04/30/2008 | CN101169627A On-line crop water stress irrigation decision monitoring system |
| 04/30/2008 | CN100385765C Distributor for connecting electric appliance and multi-voltage source |
| 04/30/2008 | CN100385594C Overload protector |
| 04/30/2008 | CN100385210C Two-wire bus instrument |
| 04/29/2008 | US7365954 Power device protection circuit |
| 04/29/2008 | US7365622 Switching device combination for capacitive loads connected to direct voltage |
| 04/24/2008 | WO2007115146A3 Protection against charging damage in hybrid orientation transistors |
| 04/24/2008 | US20080094771 Switching apparatus and method |
| 04/24/2008 | US20080094767 Semiconductor device having electrostatic protection circuit |
| 04/24/2008 | US20080094766 Linear Low Capacitance Overvoltage Protection Circuit Using A Blocking Diode |
| 04/24/2008 | US20080094765 Circuit interrupting device with automatic end of life test |
| 04/24/2008 | DE102007049928A1 Lineare Überspannungsschutzschaltung mit geringer Kapazität unter Verwendung einer Sperrdiode Linear overvoltage protection circuit, low-capacity, using a blocking diode |
| 04/23/2008 | EP1913668A2 System and method for protecting ic components |
| 04/23/2008 | EP1913634A2 Esd protection structure using contact-via chains as ballast resistors |
| 04/23/2008 | CN201051668Y A lightning prevention circuit |
| 04/23/2008 | CN201051667Y Outdoor resistance capacitance and over-voltage absorber |
| 04/23/2008 | CN201051666Y Assembly cable frame security guarantee unit |
| 04/23/2008 | CN201051665Y AC bidirectional current limit and voltage limit secure device |
| 04/23/2008 | CN201051664Y 电源供应装置及设备 Power supply installations and equipment |
| 04/23/2008 | CN101167227A A device for reduction of voltage derivative |
| 04/23/2008 | CN101165712A 半导体装置 Semiconductor device |
| 04/23/2008 | CN100383852C Electrostatic discharge protective circuit and electrostatic discharge protection method |
| 04/22/2008 | US7362558 Protective device in a controller |
| 04/22/2008 | US7362557 Method, apparatus and article for bi-directional DC/DC power conversion |
| 04/22/2008 | US7362555 ESD protection circuit for a mixed-voltage semiconductor device |
| 04/22/2008 | US7362554 Electrostatic discharge (ESD) clamp using output driver |
| 04/17/2008 | WO2008046062A2 Current limit control with current limiit detector |
| 04/17/2008 | WO2008046053A2 Current limit detector |
| 04/17/2008 | WO2008043225A1 Protecting circuit and electronic device |
| 04/17/2008 | WO2007109271A3 High side reset logic for gate driver |
| 04/17/2008 | US20080088998 Current Limit Detector |
| 04/17/2008 | US20080088997 Current Limit Control with Current Limit Detector |
| 04/17/2008 | US20080088994 Electrostatic discharge protection device for pad and method and structure thereof |
| 04/17/2008 | US20080088993 Gated thyristor and related system and method |
| 04/17/2008 | US20080088494 Electronic circuit protecting against the effect of injection current and analog to digital conversion circuit |
| 04/17/2008 | DE202008002381U1 Schutzschaltung mit der Möglichkeit zur Veränderung des Strombegrenzungsniveaus Protection circuit with the possibility to change the current limit levels |
| 04/17/2008 | DE102006049080A1 Strombegrenzungseinrichtung für elektronische Regler oder Steller von Lasten mit nichtlinearer Strom-Spannungs-Kennlinie Current-limiting device for electronic regulator or adjuster loads with nonlinear current-voltage characteristic |
| 04/17/2008 | DE102004019600B4 Überbrückungsvorrichtung zum Überbrücken einer elektrischen Last Bridging device for bridging an electrical load |
| 04/16/2008 | CN201048289Y Arc suppression coil capable of stepless adjustment |
| 04/16/2008 | CN201048288Y Simple earthing 220V 2-port 3-module power supply surge protector |
| 04/16/2008 | CN201048287Y Overvoltage protector with acousto-optic early warning and exterior extension interface circuit |
| 04/16/2008 | CN201048286Y Open circuit feed circuit |
| 04/16/2008 | CN201048275Y Household electrical appliance protector for preventing lighting strike and overvoltage |
| 04/16/2008 | CN201048264Y Over-voltage protection device of overhead wire |
| 04/16/2008 | CN201048207Y Connection fixation anti-surge current plug and socket |
| 04/16/2008 | CN201046895Y Tower crane rotary table rotator equipotential connecting device |
| 04/16/2008 | CN101164214A An inductive device |
| 04/16/2008 | CN101162843A Combined uninterrupted power supply |
| 04/16/2008 | CN101162840A Interface protective circuit |
| 04/16/2008 | CN100382313C Electrostatic discharge protective circuit and relevant techniques |
| 04/16/2008 | CN100382217C Transverter of mixed soft cut-off current-limiting circuit breaker |
| 04/15/2008 | US7359171 Current limiting circuit and output circuit including the same |
| 04/15/2008 | US7359169 Circuit for protecting integrated circuits against electrostatic discharges |
| 04/15/2008 | US7359165 Superconducting current limiting element |
| 04/15/2008 | US7359164 Superconducting matrix fault current limiter with current-driven trigger mechanism |
| 04/15/2008 | US7358791 Discharge protection circuit |
| 04/10/2008 | WO2008040128A1 Method and device for suppressing vacuum switch restriking over-voltage |
| 04/10/2008 | WO2007120295A3 Esd protection for passive integrated devices |
| 04/10/2008 | US20080084643 Method For Regulating A Converter Connected To Dc Voltage Source |
| 04/10/2008 | US20080084642 Semiconductor Power Conversion Apparatus |
| 04/10/2008 | US20080084641 Semiconductor integrated circuit |
| 04/10/2008 | US20080084241 Load driving device and electrical device using the same |
| 04/10/2008 | DE102007043172A1 Drehstromgenerator mit Permanentmagnet und hoher Leistung mit verbessertem gesteuertem Ausgang Alternator with permanent magnet and high performance with improved controlled output |
| 04/10/2008 | DE102006047377A1 Electrostatic discharge protection for electrical or electronic devices involves providing voltage protection drain that includes material accumulation that is directly or indirectly placed in contact with electrical connection |
| 04/10/2008 | DE10132415B4 Verfahren und Vorrichtung zur Speisung mindestens einer Last in einem explosionsgefährdeten Bereich Method and apparatus for supplying at least one load in a hazardous area |
| 04/09/2008 | CN101160702A System for precharging a DC link in a variable speed drive |
| 04/09/2008 | CN101160701A System for precharging a DC link in a variable speed drive |
| 04/09/2008 | CN101159378A Transformer and lightning protection method and device for power supply circuit |
| 04/09/2008 | CN101159377A Electric power, electronic equipments and network large ground resistance earth distributing method and device |
| 04/09/2008 | CN101159263A Electrostatic discharge protection of a clamp |
| 04/08/2008 | US7355831 Y-capacitance fault current discharge compensation for HVDC systems |
| 04/03/2008 | WO2008037774A1 Thyristor valve of a hvdc transmission system |
| 04/03/2008 | WO2007127094A3 Two-wire adapter |
| 04/03/2008 | US20080080113 Integrated circuit chips with fine-line metal and over-passivation metal |
| 04/03/2008 | US20080080112 Integrated circuit chips with fine-line metal and over-passivation metal |
| 04/03/2008 | US20080080111 Integrated circuit chips with fine-line metal and over-passivation metal |
| 04/03/2008 | US20080080110 Semiconductor integrated circuit |
| 04/03/2008 | US20080080109 Electric device protection circuit and method for protecting an electric device |
| 04/03/2008 | US20080080108 On-chip ESD protection circuit using enhancement-mode HEMT/MESFET technology |
| 04/03/2008 | US20080080107 ESD protection for integrated circuits with multiple power domains |
| 04/03/2008 | DE102006053436A1 Protective circuit for electric device, has protective potential selected such that line bridge unit switches from resistance condition to line condition, when voltage or current, exceeds or falls below determined threshold value |
| 04/03/2008 | DE102006046040A1 Thyristorventil einer HGÜ-Anlage Thyristor valve of a HVDC transmission system |
| 04/03/2008 | DE102006045043A1 Shape memory unit for use in switching device and household appliance, has glow lamp switched electrically parallel to memory unit, and filament provided so that current intensity of pulse is decreased with limited duration in memory unit |
| 04/03/2008 | DE102006029142B4 Verfahren und Schutzschaltung gegen Überspannung Method and circuit protection against overvoltage |
| 04/02/2008 | CN201044357Y High-efficiency laminated plumbago discharge gap device |
| 04/02/2008 | CN201044356Y Lightning protection system for railway truck scale and ultra-deflection load equipment |
| 04/02/2008 | CN201044355Y ESD protection circuit and circuit for preventing reverse power supply of ESD protective circuit |
| 04/02/2008 | CN101154880A Semiconductor device alleviating or preventing surge voltage |
| 04/02/2008 | CN101154810A Cascade thunder and lightning arc-extinguishing electrical discharger |