| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 03/21/2000 | US6040971 Circuit protection device |
| 03/21/2000 | US6040969 Power filter circuit responsive to supply system fault conditions |
| 03/21/2000 | US6040733 Two-stage fusible electrostatic discharge protection circuit |
| 03/15/2000 | EP0986158A1 Overvoltage protective device for telephone connection |
| 03/15/2000 | EP0985242A1 Overcharge protection device and methods for lithium-based rechargeable batteries |
| 03/09/2000 | WO2000013473A1 Electrical component stacking system |
| 03/09/2000 | WO2000013279A1 Circuit configuration and method for an electronic fuse |
| 03/09/2000 | DE19838776A1 Two-stage overvoltage protection method for low voltage plants, detects energy converted in second stage, and coarse protection stage is activated so that fine protection stage is relieved. |
| 03/09/2000 | DE19838492A1 Explosionsgeschützte Steckverbindungsanordnung Explosion-proof connector assembly |
| 03/08/2000 | EP0984526A2 Electrical connection box with overvoltage protection |
| 03/08/2000 | EP0984462A2 Electrical transformer |
| 03/08/2000 | CN1246972A Series compensation of electric alternating current machines |
| 03/07/2000 | US6034855 Method and apparatus for attenuation of, and damage protection from, high energy electromagnetic pulses |
| 03/07/2000 | US6034515 Current limiting circuit |
| 03/07/2000 | US6034447 Connector for consumer networks |
| 03/04/2000 | CA2281406A1 Solid state protector for high frequency applications |
| 03/02/2000 | WO2000011785A1 Control circuit for inductive loads |
| 03/02/2000 | WO2000011758A1 Explosion-proof plug-in connector |
| 03/02/2000 | DE19856607C1 Resistive current limiter used in alternating current supply networks has a conducting path containing a metal oxide high temperature superconducting material on a support with a plastic covering layer |
| 03/01/2000 | EP0981848A1 Protective circuit |
| 03/01/2000 | CN2366960Y Lightning arrensting knife switch |
| 03/01/2000 | CN1246213A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation |
| 03/01/2000 | CN1246212A Device and method relating to protection of object against over-currents comprising over-current reduction |
| 03/01/2000 | CN1246211A Device and method relating to protection of object against over-currents comprising over-current reduction |
| 03/01/2000 | CN1246210A Device and method relating to protection of object against over-currents comprising over-current reduction and current limitation |
| 03/01/2000 | CN1246209A Switching device including spark gap for switching electrical power |
| 03/01/2000 | CN1246208A Switching device including spark gap for switching electrical power |
| 03/01/2000 | CN1050014C Device and method for preventing equipment from electric shock |
| 02/29/2000 | US6031706 Punch down protection module providing both transient protection and longitudinal current protection |
| 02/29/2000 | US6031701 Device and method for overvoltage protection |
| 02/24/2000 | WO2000010249A1 Electronic circuits with wide dynamic range of on/off delay time |
| 02/24/2000 | WO2000010203A1 Combination positive temperature coefficient resistor and metal-oxide semiconductor field-effect transistor devices |
| 02/24/2000 | WO2000009813A1 Energy absorbing system for fixed roadside hazards |
| 02/24/2000 | DE19838109A1 Inductive load drive control circuit with semiconductor switch protection function |
| 02/23/2000 | EP0980603A2 Plug-and-socket connection |
| 02/23/2000 | EP0980598A1 Electrical plug |
| 02/22/2000 | US6028470 Integrated circuit for current control of a power transistor |
| 02/22/2000 | US6028444 Three-statable net driver for antifuse field programmable gate array |
| 02/22/2000 | US6028417 Voltage regulator circuit for attenuating inductance-induced on-chip supply variations |
| 02/17/2000 | WO2000008747A1 Controlled rectifier bridge with over-voltage protection |
| 02/17/2000 | DE19934876A1 Fuel gauging system for a fuel tank in an aircraft has a piezoelectric transformer located in a probe supply path |
| 02/16/2000 | CN2364612Y High-voltage, high-frequency lightning-arresting filter |
| 02/16/2000 | CN2364611Y Short-circuit protector for miner's lamp capable of charging in fault |
| 02/16/2000 | CN1244742A High electric resistance earthing system for oil welle lectric system |
| 02/10/2000 | WO2000007273A1 Circuit for limiting the making current for a transformer |
| 02/10/2000 | WO2000007272A1 Circuit for limiting the making current of a capacitive load |
| 02/10/2000 | WO1999059224A3 Electrical light socket |
| 02/10/2000 | DE19935260A1 Stored magnetic energy damping circuit in a generating circuit |
| 02/10/2000 | DE19835316A1 Gesteuerte Gleichrichterbrücke mit Überspannungsschutz Controlled rectifier bridge with surge protection |
| 02/09/2000 | EP0978919A2 High resistance grounding system for oil well electrical system |
| 02/09/2000 | EP0978918A2 Circuit interrupter with arcing fault protection and PCT (positive temperature coefficient resistivity) elements for short circuit and overload protection |
| 02/09/2000 | EP0978159A1 Device for limiting electrical alternating currents, especially during short-circuits |
| 02/09/2000 | EP0978145A1 Semi-conductor device and use thereof |
| 02/09/2000 | EP0978130A2 Electric coupling device, electric circuit and method in connection therewith |
| 02/08/2000 | CA2124496C Transient voltage protector |
| 02/03/2000 | WO2000005798A1 Universal surge protector for notebook computers |
| 02/02/2000 | EP0976190A1 Distributed esd protection device for high speed integrated circuits |
| 02/02/2000 | CN2362221Y Arrester for distribution network |
| 02/02/2000 | CN2362220Y High-frequency restrictive ring TV antenna arrester |
| 02/01/2000 | US6021035 Apparatus for protection of power-electronics in series compensating systems |
| 01/26/2000 | EP0974181A1 Improvements in transient overvoltage and lightning protection of power connected equipment |
| 01/26/2000 | EP0974180A1 System comprising hot insertable/removable function units |
| 01/26/2000 | CN1242926A Improvements in or relating to thermal trip arrangements |
| 01/26/2000 | CN1048830C Circuit arrangement |
| 01/25/2000 | US6018473 Power supply and printing machine containing same |
| 01/25/2000 | US6018452 Residential protection service center |
| 01/25/2000 | US6018450 Output driver with overshoot and undershoot protection |
| 01/25/2000 | US6018251 Programmable integrated circuit having parallel routing conductors coupled to programming drivers in different locations |
| 01/18/2000 | US6016094 Superconducting short circuit current limiter |
| 01/18/2000 | US6016002 Stacked silicon-controlled rectifier having a low voltage trigger and adjustable holding voltage for ESD protection |
| 01/18/2000 | CA2156209C Electrical isolation device |
| 01/12/2000 | EP0970555A1 Electronic fuse |
| 01/12/2000 | EP0970487A1 Resettable automotive circuit protection device |
| 01/12/2000 | CN2358534Y Air-gap-adjusting arc suppression coil |
| 01/12/2000 | CN1241320A Protecting method for inrush current preventing resistor |
| 01/12/2000 | CN1241315A Modulation compensated clamp circuit |
| 01/11/2000 | US6014305 ESD event detector |
| 01/11/2000 | US6014300 Power source circuit |
| 01/11/2000 | US6014298 Electrostatic protection circuit of an integrated circuit |
| 01/05/2000 | EP0969482A2 Circuit protection device |
| 01/05/2000 | DE19857411A1 Circuit arrangement for controlling startup current of load |
| 01/05/2000 | DE19829775A1 Over-voltage and over-current protection arrangement has series and parallel components with melting elements, bypass and quenching circuits |
| 01/05/2000 | CN2357429Y Capacitance adjustable automatic tracking arc distinction compensating and wire selecting device |
| 01/04/2000 | US6011682 No-zap low-cost lightning protection |
| 01/04/2000 | US6011408 Programmable integrated circuit having a routing conductor that is driven with programming current from two different programming voltage terminals |
| 12/30/1999 | DE19828658A1 Switching voltage transient limitation circuit for inductively loaded switch |
| 12/29/1999 | WO1999067867A1 A protection device and method |
| 12/29/1999 | WO1999067865A1 A switching device |
| 12/29/1999 | WO1999067864A1 A protection device |
| 12/29/1999 | WO1999067863A1 Apparatus for providing independent over-current protection to a plurality of electrical devices and transient-voltage suppression system employing the apparatus |
| 12/29/1999 | WO1999067857A1 A switching device |
| 12/29/1999 | CN1240057A Rechargeable battery with built-in safety circuit for portable electric apparatus |
| 12/29/1999 | CA2301656A1 Apparatus for providing independent over-current protection to a plurality of electrical devices and transient-voltage suppression system employing the apparatus |
| 12/28/1999 | USRE36472 Bridge circuit having polarity inversion protection means entailing a reduced voltage drop |
| 12/28/1999 | US6009008 Soft strat bridge rectifier circuit |
| 12/28/1999 | US6008976 Connector for a protector block in a telecommunications system |
| 12/28/1999 | US6008970 Power supply clamp circuitry for electrostatic discharge (ESD) protection |
| 12/28/1999 | US6008550 Hotswappable chassis and electronic circuit cards |
| 12/28/1999 | CA2141263C Electromagnetic and radio frequency interference suppression for ground fault circuit interrupters |
| 12/23/1999 | WO1999066619A1 Power supply clamp for esd protection |