| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 05/23/2002 | US20020060890 Cascoded NPN electrostatic discharge protection circuit |
| 05/23/2002 | DE10156416A1 Electronic controller for vehicles has diode between at least one electronic circuit and common earth line to limit reverse current that results in current flowing into electronic circuit(s) |
| 05/23/2002 | DE10047114C1 Protective circuit for voltage limitation for unit to be protected with respective input and output connections and unit to be protected is provided in output circuit |
| 05/22/2002 | EP1060553B1 Current-limiting arrangement with a superconductive transformer arrangement in an electric circuit |
| 05/22/2002 | CN2492968Y Signal channel lightning protector for broadcast, TV and communication machines |
| 05/16/2002 | WO2002017456A3 Protective relay |
| 05/16/2002 | US20020057540 Semiconductor switching devices |
| 05/16/2002 | US20020057149 Switching device |
| 05/16/2002 | US20020057078 Protective circuit for an electronic device |
| 05/15/2002 | CN1084944C Overcurrnet protection circuit |
| 05/14/2002 | US6388856 Polymer fuse and filter apparatus |
| 05/14/2002 | US6388850 Gate-coupled ESD protection circuit without transient leakage |
| 05/10/2002 | WO2002037636A1 Disruption suppressor in a measuring interface |
| 05/09/2002 | US20020056134 Transmission/reception integrated radio-frequency apparatus |
| 05/08/2002 | DE10050287A1 Protective device for control of clocked electromagnetic consumer such as motor has freewheel device consisting of transistor , reverse battery protection having further transistor and freewheel |
| 05/08/2002 | DE10049755A1 Electrical circuit for protecting direct current electric motor from overload during start-up phase, comprises control electrode of power switch connected to comparator output |
| 05/08/2002 | CN1348238A Structure of socket, switch, plug, adapter and connecting wire |
| 05/07/2002 | US6385029 Total electrical transient eliminator |
| 05/02/2002 | US20020051371 Inverter device and motor driving device provided with inrush current prevention circuit |
| 05/02/2002 | EP1202423A2 Actuator drive circuit |
| 05/02/2002 | EP1202305A2 Switching device |
| 05/02/2002 | EP1202139A1 Bus voltage detector in field device |
| 05/01/2002 | CN2489508Y Special lightning arrester for computer and telephone line |
| 05/01/2002 | CN1084071C Overcurrent protection circuit |
| 04/30/2002 | US6381114 Integrated current source feedback and current limiting element |
| 04/30/2002 | US6380862 Electrical distribution panel employing a surge protector |
| 04/25/2002 | WO2002033798A1 Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node |
| 04/25/2002 | WO2002033719A1 Electric switching device |
| 04/25/2002 | US20020048134 Protective device and communication device |
| 04/25/2002 | CA2425946A1 Amalgam of shielding and shielded energy pathways and other elements for single or multiple circuitries with common reference node |
| 04/24/2002 | CN2488214Y Interphase overvoltage protector |
| 04/24/2002 | CN1083636C Oscillation circuiot |
| 04/23/2002 | US6377435 Circuit design for data/telephone tip/ring pair surge protection |
| 04/23/2002 | US6377434 Individual secondary protection device |
| 04/18/2002 | WO2002031942A1 Current limiting device, an electrical power system including such a device as well as use of such a device |
| 04/18/2002 | WO2002031941A1 Circuit configuration for monitoring and/or regulating supply voltages |
| 04/18/2002 | US20020044037 High electrical power current limiter being useful in electrical power systems |
| 04/18/2002 | DE10113081C1 Arrangement for protecting multi-voltage on-board electrical system against breakdown between voltage levels, external crossed polarity has voltage limiting unit for low voltage plane |
| 04/18/2002 | DE10049233A1 Eigensicheres Feldbussystem Intrinsically Safe Fieldbus system |
| 04/17/2002 | EP0876699B1 Current limiting circuit |
| 04/16/2002 | US6373672 Static and monolithic current limiter and circuit-breaker component |
| 04/16/2002 | US6373371 Preformed thermal fuse |
| 04/11/2002 | WO2002029954A1 Intelligent power distribution panel and fuse |
| 04/11/2002 | WO2002029950A2 Electro-static discharge protection circuit |
| 04/11/2002 | US20020041478 Circuit for driving a solenoid |
| 04/11/2002 | DE10049994A1 Supply voltage monitoring and/or regulating circuit compares at least one of two supply voltages with permissible range for controlling electronic shunt circuit |
| 04/10/2002 | EP1195875A2 Method for identification of a faulting or faulted sending end or feeder branch in an electrical distribution system such as a compensated network |
| 04/10/2002 | EP1195874A2 Method for identification of a faulting or faulted sending end or feeder branch in an electrical distribution system |
| 04/10/2002 | EP0868781B1 Electrical isolation between ir receiver and further electronic circuits |
| 04/10/2002 | CN2485855Y Arc eliminator for ground system with neutral point grounded indirectly |
| 04/10/2002 | CN2485786Y Fuse against current surge |
| 04/10/2002 | CN1344051A Protector and communicating device |
| 04/10/2002 | CN1082736C Energy-saving current-limiting protective circuit suitable for various electronic rectifying filters |
| 04/09/2002 | US6369998 Electrostatic discharge protection clamp for nominal-voltage power supply or I/O with high-voltage reference |
| 04/09/2002 | US6369997 Current limiter for a network |
| 04/09/2002 | US6369533 Piloting circuit for an inductive load in particular for a DC electric motor |
| 04/09/2002 | US6369513 Vehicle lamp lighting-driving apparatus |
| 04/04/2002 | WO2002027888A1 Protective circuit |
| 04/04/2002 | US20020039270 Electronic device protection circuit |
| 04/03/2002 | EP1193884A2 Intrinsically safe field bus system |
| 04/03/2002 | EP1192696A1 Line protector for a communications circuit |
| 04/03/2002 | EP1192695A1 Protective device for preventing the overload of capacitors by high-frequency voltages |
| 04/03/2002 | CN1082283C Switching arrangement for communications channel |
| 04/02/2002 | US6366469 Electrical component stacking system |
| 04/02/2002 | US6366437 Current limiter for a network |
| 03/28/2002 | WO2002025734A2 High voltage tolerant electrostatic discharge (esd) bus clamp |
| 03/27/2002 | EP0879495B1 Electronic switch magnet control system for switching off a contactor |
| 03/27/2002 | EP0657062B2 Changeable high-current resistor and its use as a protective component |
| 03/26/2002 | US6362722 Current limiting device with electrically conductive composite and method of manufacturing the electrically conductive composite |
| 03/26/2002 | US6362721 Electrical device and assembly |
| 03/21/2002 | WO2002023690A1 Large current watchdog circuit for a photodetector |
| 03/20/2002 | EP1189325A2 Electronic device protection circuit |
| 03/20/2002 | EP1188240A1 Load control system having an overload protection circuit |
| 03/20/2002 | EP1188212A1 A multi-functional energy conditioner |
| 03/20/2002 | EP1188171A1 Active booster transformer system |
| 03/20/2002 | EP1188168A1 Junction box with over-current protection |
| 03/20/2002 | EP0868805B1 Modem loop current detect system to detect an off-hook condition in an extension telephone |
| 03/20/2002 | CN2482765Y Acoustic image equipment protective electric power |
| 03/14/2002 | US20020030958 Protection against fault situations in a telecommunications network |
| 03/14/2002 | US20020030955 Methods and systems for improving ESD clamp response time |
| 03/13/2002 | EP1187290A1 Overvoltage protection device |
| 03/13/2002 | EP1185993A1 A method for overcurrent protection in a superconducting cable |
| 03/13/2002 | EP1023754A4 Surge suppressor device |
| 03/13/2002 | CN2482257Y Over-voltage over-current protection unit module |
| 03/13/2002 | CN1340234A Surge suppressor with virtual ground |
| 03/13/2002 | CN1339858A Lightning protector for low voltage electric equipment |
| 03/13/2002 | CN1080876C Barrier device |
| 03/12/2002 | US6356468 Arrangement for limiting starting current in a power supply |
| 03/12/2002 | US6356427 Electrostatic discharge protection clamp for high-voltage power supply or I/O with high-voltage reference |
| 03/12/2002 | US6356027 0-10V dimming interface protection circuit |
| 03/07/2002 | US20020027263 Electrode arrangement for circuit energy conditioning |
| 03/06/2002 | CN2481090Y Energy-saving lightning protector for TV set |
| 03/06/2002 | CN2481036Y Composite large load and current power source lightning protector |
| 03/06/2002 | CN2481035Y Multi-stage lightning protector for telecommunication base station |
| 03/06/2002 | CN2481034Y Safety unit for telephone equipment |
| 03/06/2002 | CN2481011Y Power source plug with voltage protection function |
| 03/06/2002 | CN1080476C Overcurrent protection circuit |
| 03/06/2002 | CA2317782A1 Fail safe ground fault circuit |
| 03/05/2002 | US6353523 Hot-swap protection circuitry |
| 03/05/2002 | US6353307 Controlled rectifier bridge with over-voltage protection |