| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 10/03/2000 | US6127745 Device for guarding mispolarization of inductive loads |
| 09/30/2000 | CA2298796A1 Hot-pluggable voltage regulator module |
| 09/28/2000 | WO2000057493A2 Superconductor composite wire for current limiters |
| 09/27/2000 | EP1039611A2 High-voltage switch gear protection circuit |
| 09/27/2000 | CN2398762Y Two-purpose lighting-protection overvoltage protector |
| 09/19/2000 | US6122157 Apparatus and method for surge protecting an electrical load connected to an AC power distribution system |
| 09/19/2000 | US6121765 Isolated electrical power supply |
| 09/14/2000 | WO2000054386A1 Surge suppressor with virtual ground |
| 09/14/2000 | WO2000054061A1 Low-voltage test signal path protection circuit with extended bandwidth, overvoltage and transient protection |
| 09/14/2000 | DE19914313A1 Overvoltage protection system for e.g. protecting electronic equipment against transient overvoltages caused by lightening discharge, provides monitoring equipment to ignition circuit with thermal and/or dynamic overload switching off |
| 09/13/2000 | EP1034592A1 Pre-loading device for an electric power system |
| 09/13/2000 | CN2396559Y Weak current lightning arrestor |
| 09/13/2000 | CN2396558Y Controlling transformer protector |
| 09/12/2000 | US6118640 Actively-driven thin-oxide MOS transistor shunt for ESD protection of multiple independent supply busses in a mixed-signal chip |
| 09/12/2000 | US6118639 Fast acting disconnect system for protecting surge suppressors and connected utilization equipment from power line overvoltages |
| 09/12/2000 | US6118256 Circuit voltage regulator monitor |
| 09/08/2000 | WO2000052804A1 Circuit for limiting the making current of an electrical load |
| 09/07/2000 | DE19909085A1 Schaltung zur Begrenzung des Einschaltstroms einer elektrischen Last Circuit for limiting the inrush current of an electrical load |
| 09/05/2000 | US6115227 Surge suppressor device |
| 09/05/2000 | US6115226 Apparatus for lightning strike survivability and post-strike operability |
| 08/31/2000 | WO2000051218A1 Current monitors with independently adjustable dual level current thresholds |
| 08/31/2000 | DE19906457A1 Electrical power transmission path has 2 similar m-phase cables fed to start and end of secondaries of 2 m-phase transformers with series primaries forming path input and output |
| 08/31/2000 | DE19905839A1 Device for limiting power supply switch-on current, has additional controlled switching element that directly or indirectly connects load to supply device and is driven via timing element |
| 08/29/2000 | US6111740 Overvoltage protection system and overvoltage protection element for an overvoltage protection system |
| 08/29/2000 | US6111738 Intrinsically safe circuits |
| 08/29/2000 | US6111734 Electrostatic discharge protection circuits and application |
| 08/23/2000 | EP1030428A1 Fault current limiter |
| 08/23/2000 | EP1029370A1 Current limiting device |
| 08/23/2000 | CN2393248Y Multi-function fully-automatic resetting safety device |
| 08/22/2000 | US6108186 Game machine having communication terminals |
| 08/22/2000 | US6108180 Multi-grounded neutral electrical isolation between utility secondary low-voltage power service and high-voltage transmission structures |
| 08/22/2000 | US6107664 Self-locking static micro-circuit breaker |
| 08/17/2000 | WO2000048285A1 Lightning arrestor device for high power electric installations |
| 08/17/2000 | CA2362226A1 Lightning arrestor device for high power electric installations |
| 08/16/2000 | EP1027761A1 Terminal block for a protective relay |
| 08/16/2000 | CN2392330Y Audio amplifier having automatic series connection attenuator capable of preventing loudspeaker from being damaged by overloading |
| 08/16/2000 | CN2392329Y Voice-box having automatic series connection attenuator capable of preventing loudspeaker from being damaged by overloading |
| 08/15/2000 | US6104590 Electrical apparatus, in particular a surge arrester, having an apparatus for indicating a fault current |
| 08/15/2000 | US6104584 Voltage feedback inrush current limit circuit having increased tolerance for component value variation |
| 08/15/2000 | US6104583 Overcurrent protection systems |
| 08/15/2000 | US6104149 Circuit and method for improving short-circuit capability of IGBTs |
| 08/15/2000 | US6104106 Solid state circuit breaker |
| 08/15/2000 | CA2178862C Power converter protective apparatus using mechanical and semiconductor bypass means |
| 08/10/2000 | WO2000046829A1 Self-recovering current-limiting device with liquid metal |
| 08/10/2000 | DE19930881A1 Transformer arrangement e.g. for railway vehicle drive |
| 08/10/2000 | DE19903837A1 Self-recovering liquid metal short-circuit current limiter, uses magnetic effects to lengthen arc arising under fault conditions, and to exploit pinch effect, improving current limiting factor |
| 08/10/2000 | DE10003556A1 Current limiter for limiting short circuit current in electric power circuit has parallel circuits of series inductances and valves with connected junctions |
| 08/09/2000 | EP1025630A1 Apparatus for providing independent over-current protection to a plurality of electrical devices and transient-voltage suppression system employing the apparatus |
| 08/09/2000 | CN2391366Y Total-operating mode strong current transient state voltage-sharing protector |
| 08/09/2000 | CN1262543A REgulatable reactor system based on magnetic flux compensation |
| 08/08/2000 | US6101078 Semiconductor device with protection circuit |
| 08/08/2000 | US6101074 Power-up circuit for field programmable gate arrays |
| 08/08/2000 | US6100745 Combination positive temperature coefficient resistor and metal-oxide semiconductor field-effect transistor devices |
| 08/08/2000 | CA2070322C Superconducting fault current limiter |
| 08/03/2000 | WO2000045493A1 Current limiter with electric valves for limiting the short-circuit current in an electric power circuit |
| 08/03/2000 | DE19903131A1 Verfahren zum Zuschalten eines Transformators an ein Wechselspannungsnetz und Schaltungsanordnung zur Durchführung des Verfahrens A method for connecting a transformer to an AC voltage network and circuit arrangement for performing the method |
| 08/02/2000 | EP1024574A2 Method for connecting a transformer to an alternating voltage supply and circuit for implementing this method |
| 08/02/2000 | EP1023754A1 Surge suppressor device |
| 08/02/2000 | CN2390339Y Earthing compensation and single phase earthing fast detecting and removing device |
| 08/02/2000 | CN2390338Y Line-to-line overvoltage protector for telephone line |
| 08/02/2000 | CN2390315Y Power line connector for computer |
| 07/27/2000 | DE19900759A1 Überspannungsableitermagazin für die Telekommunikations- und Datentechnik Surge arrester for telecommunications and data technology |
| 07/26/2000 | EP1022837A2 Surge protector |
| 07/26/2000 | EP1022755A1 Current-limiting switch |
| 07/26/2000 | EP0980598A4 Electrical plug |
| 07/26/2000 | CN2389438Y Wiring apparatus for communication equipment |
| 07/25/2000 | US6094129 PTC thermistor and a current limiter device having at least one PTC thermistor |
| 07/25/2000 | US6094036 Electrical power supply with low-loss inrush current limiter and step-up converter circuit |
| 07/25/2000 | US6094013 Circuit arrangement for limiting the current at make for a transformer |
| 07/19/2000 | EP1020963A2 Arrester holder for the telecommuncation and data technology |
| 07/19/2000 | EP0875088B1 Connector for a load to consumer networks |
| 07/19/2000 | CN2388762Y One-control-two microcomputer automatic tuning device |
| 07/19/2000 | CN1260607A Surge-arrester fitting device for telecommunication and data system apparatus |
| 07/19/2000 | CN1054710C Superconductive fault current limiters |
| 07/18/2000 | US6091592 Protective circuit and electric circuit using the protective circuit |
| 07/12/2000 | EP1018201A4 Solid-state high voltage crowbar circuit |
| 07/12/2000 | EP1018201A1 Solid-state high voltage crowbar circuit |
| 07/12/2000 | EP1018127A1 Power distribution network incorporating a voltage support transformer and process of use |
| 07/12/2000 | EP0860013B1 Surge arrester |
| 07/12/2000 | CN2387653Y Arc-eliminating coil microcomputer auto-tuning and earthing line-selecting device |
| 07/12/2000 | CN2387652Y 功率型音频线保护器 Power type audio cable protectors |
| 07/12/2000 | CN2387651Y Isolating distributing frame protector |
| 07/12/2000 | CN2387650Y Non-directng earthing system overvoltage limiter for three-phase power network |
| 07/12/2000 | CN1260081A Electrical plug |
| 07/12/2000 | CN1260076A Electric installation protecting means |
| 07/11/2000 | US6088210 Protective device for electromagnets |
| 07/11/2000 | US6088209 Voltage spike suppressor |
| 07/11/2000 | US6087877 Integrated circuit having surge protection circuit |
| 07/06/2000 | WO2000039811A1 Electrical power transmission system using superconductors |
| 07/05/2000 | EP1016095A1 Fault current limiting superconducting coil |
| 07/05/2000 | EP0829136B1 Integrated circuit with thermal control |
| 07/05/2000 | CN1259256A Residential protection service center |
| 07/04/2000 | US6084762 Connector for a protector block in a telecommunications system |
| 07/04/2000 | US6084757 Protective impedance for a mains voltage supplied electronic circuit |
| 07/04/2000 | US6084428 Programmable integrated circuit having shared programming conductors between columns of logic modules |
| 07/04/2000 | US6081987 Method of making fault current limiting superconducting coil |
| 06/30/2000 | CA2292935A1 Current limiting device with reduced resistance |
| 06/29/2000 | WO2000038293A1 Circuit system for voltage rectification and clamping |
| 06/29/2000 | WO2000038292A1 An electric device |
| 06/28/2000 | EP1014530A2 Electrical power distribution installation for electrical power system |