| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 01/27/2004 | US6683768 Circuit topology for protecting vulnerable micro electro-mechanical system (MEMS) and electronic relay devices |
| 01/27/2004 | US6683767 Semiconductor integrated circuit |
| 01/22/2004 | WO2004008601A1 Method and circuit for limiting an overvoltage |
| 01/22/2004 | WO2003055023A3 Frequency selective transient voltage protector |
| 01/22/2004 | DE10245144B3 Überspannungs-Schutzanordnung mit einer Funkenstrecke als Grobschutzelement Surge protection order with a spark gap as coarse protection element |
| 01/22/2004 | DE10230084A1 Schaltungsanordnung zur Strombegrenzung mit einem supraleitenden Schaltelement Circuit arrangement for current limiting with a superconducting switching element |
| 01/22/2004 | DE10225259B3 Elektrischer Steckverbinder The electrical connector |
| 01/21/2004 | CN1135671C Junction box, protective relay with the same junction box and junction box assembling method |
| 01/20/2004 | US6680834 Apparatus and method for controlling LED arrays |
| 01/15/2004 | WO2004006408A1 A protection and indication apparatus |
| 01/15/2004 | WO2004006407A1 Superconductor arrangement for an alternating voltage network |
| 01/15/2004 | US20040008463 Overload limiting circuit |
| 01/14/2004 | EP1381137A2 Voltage control circuit for a bicycle dynamo |
| 01/14/2004 | CN2599850Y Self-returning safety unit |
| 01/14/2004 | CN2599821Y Multichannel signal port thunder-proof adapter |
| 01/14/2004 | CN1468461A An electrode arrangement for circuit energy conditioning |
| 01/14/2004 | CN1134794C Surge discharger assembling units |
| 01/13/2004 | US6678138 Environmentally insensitive surge suppressor apparatus and method |
| 01/13/2004 | US6678133 Electrostatic discharge protection with input impedance |
| 01/13/2004 | US6678132 Ground fault detection system |
| 01/13/2004 | US6678129 Protection circuit for a switched mode power supply |
| 01/13/2004 | US6677834 Filtering device for filtering out supply voltage interferences |
| 01/08/2004 | WO2004004090A1 Current limiting circuit arrangement comprising a superconductive switching element |
| 01/08/2004 | US20040004802 Electrode arrangement for circuit energy conditioning |
| 01/08/2004 | US20040004798 Inrush limiter circuit |
| 01/07/2004 | EP1051674B1 Anti latch-up protection method and apparatus therefor |
| 01/07/2004 | CN2598196Y Cable connector capable of preventing water, thunderstrike and earthquake |
| 01/07/2004 | CN1466210A Electrostatic discharge protection system for flip chip packaged IC and chip having said system |
| 01/02/2004 | EP1376811A2 Overvoltage protection circuit |
| 01/02/2004 | EP1373009A1 System and method for actively limiting the power drawn from a power distribution bus |
| 01/01/2004 | US20040001293 Methods and systems for improving ESD clamp response time |
| 12/31/2003 | WO2004001925A1 Multiple load protection and control device |
| 12/31/2003 | WO2003067617A3 Circuit for protecting mems and electronic relay devices |
| 12/31/2003 | CN1464610A Overcurrent protecting device of potential therapeutic equipment |
| 12/31/2003 | CN1464604A Annular point discharge tube current limiter |
| 12/30/2003 | US6671150 Circuit breaker for detecting an excessive voltage and tripping responsive thereto |
| 12/30/2003 | US6671147 Double-triggered electrostatic discharge protection circuit |
| 12/30/2003 | US6670724 Series pass over-voltage protection circuit for a motor vehicle electrical system |
| 12/25/2003 | WO2003107395A2 Protected dual-voltage microcircuit power arrangement |
| 12/25/2003 | US20030235019 Electrostatic discharge protection scheme for flip-chip packaged integrated circuits |
| 12/25/2003 | US20030234698 Circuit component and transformer device with controllable impedance and with systems equipped with such devices |
| 12/25/2003 | US20030234245 Multiple load protection and control device |
| 12/24/2003 | CN2595047Y Power supply device for eliminating computer radiation |
| 12/24/2003 | CN2595045Y Switch-type lightning arrester |
| 12/24/2003 | CN2595044Y Communication signal thunder anjd lightning suppressor |
| 12/24/2003 | CN1132283C 提高跳闸强度的过流保护电路 Overcurrent protection circuit to improve the strength of the trip |
| 12/23/2003 | US6667867 Stable BJT electrostatic discharge protection clamp |
| 12/23/2003 | US6667461 Multiple load protection and control device |
| 12/18/2003 | US20030231442 Method to protect electronics from load dump |
| 12/18/2003 | US20030231441 Protected dual-voltage microcircuit power arrangement |
| 12/17/2003 | EP1372237A1 Electrical device comprising two supports and terminal connected to a series capacitor and a voltage limiter |
| 12/17/2003 | EP0684677B1 Overcurrent protective circuit and semiconductor device |
| 12/17/2003 | CN2593440Y Overvoltage protection apparatus |
| 12/17/2003 | CN2593439Y Combined intelligent overvoltage protector |
| 12/17/2003 | CN1131565C Subscriber interface protection circuit |
| 12/16/2003 | US6664875 Matrix-type superconducting fault current limiter |
| 12/11/2003 | WO2003103123A1 A high impedance insertion system for blocking emi |
| 12/11/2003 | WO2003103091A2 Circuit for diverting surges and transient impulses |
| 12/11/2003 | WO2003044922A3 Short-circuit current limiter for short-circuit protection in alternating current circuits |
| 12/11/2003 | US20030227733 Tri-mode over-voltage protection and disconnect circuit apparatus and method |
| 12/11/2003 | CA2487145A1 Circuit for diverting surges and transient impulses |
| 12/10/2003 | EP1368875A1 Electrostatic discharge protection structures having high holding current for latch-up immunity |
| 12/10/2003 | CN2591834Y Automatic short circuit gap apparatus of transformer central point |
| 12/09/2003 | US6661634 Digital subscriber line alternating current EMI/RFI broadband noise eliminator |
| 12/09/2003 | US6661631 Automatic latchup recovery circuit for fingerprint sensor |
| 12/09/2003 | US6661281 Method for reducing current surge using multi-stage ramp shunting |
| 12/04/2003 | WO2003063203A3 On-chip esd protection circuit |
| 12/04/2003 | US20030222673 Electrostatic-breakdown-preventive and protective circuit for semiconductor-device |
| 12/04/2003 | US20030222499 Series pass over-voltage protection circuit for a motor vehicle electrical system |
| 12/03/2003 | CN2590239Y Three-terminal differential over-voltage protector |
| 12/03/2003 | CN2590238Y Live-wire plug-in control circuit for plugable module |
| 12/03/2003 | CN1459905A Series multistage integrated power source lightning protector |
| 12/03/2003 | CN1459904A Motor controller containing electronic circuit for preventing starting current |
| 12/02/2003 | US6657845 Circuit for driving a solenoid |
| 12/02/2003 | US6657843 Lightning arrestor device for high power electric installations |
| 12/02/2003 | US6657839 Protective relay |
| 12/02/2003 | US6657836 Polarity reversal tolerant electrical circuit for ESD protection |
| 12/02/2003 | US6657835 ESD protection circuit for mixed-voltage I/O by using stacked NMOS transistors with substrate triggering technique |
| 12/02/2003 | US6657532 Single and multi layer variable voltage protection devices and method of making same |
| 12/02/2003 | US6657475 DC voltage bus clamp |
| 12/02/2003 | US6657405 Automatically controlled dc power supply output circuit for shunting the power supply output in response to stored voltage of counter EMF generated by the load |
| 11/27/2003 | WO2003098767A2 Device for protecting an electric power distribution network |
| 11/27/2003 | WO2003098766A1 Supply connection unit comprising an interference suppression filter for an electric domestic appliance |
| 11/27/2003 | US20030218851 Voltage variable material for direct application and devices employing same |
| 11/27/2003 | US20030218838 Motor controller incorporating an electronic circuit for protection against inrush currents |
| 11/26/2003 | EP1023754B1 Surge suppressor device |
| 11/26/2003 | CN2588637Y Lightning protector for electric equipment |
| 11/26/2003 | CN1458726A Electromagnetic radiation protector of electric equipment |
| 11/25/2003 | US6654223 Surge arrester mounting unit for telecommunications and data systems equipment |
| 11/25/2003 | US6654222 Current limiter with electric valves for limiting the short-circuit current in an electric power circuit |
| 11/20/2003 | WO2003096507A1 Inverter for an electric machine |
| 11/20/2003 | US20030214769 Over-voltage protection circuit |
| 11/20/2003 | US20030214768 Early triggered ESD MOSFET protection circuit and method thereof |
| 11/20/2003 | US20030213978 Fault free fuse network |
| 11/20/2003 | DE20312116U1 Arc discharge protection system for high-voltage electrical equipment has electrode disk, voltage switching circuit, rectifier and trigger circuit |
| 11/19/2003 | EP1363387A2 Circuit arrangement for a DC link |
| 11/19/2003 | CN1457542A Protection circuit-equipped secondary battery |
| 11/19/2003 | CN1457126A Surge protective method by self-control surge current triggered gap discharge |
| 11/18/2003 | US6650245 Multi-functional hybrid contactor |
| 11/18/2003 | US6650103 Magnetic snapback sensor circuit and electrostatic discharge circuit using same |