| Patents for H02H 9 - Emergency protective circuit arrangements for limiting excess current or voltage without disconnection (21,232) |
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| 07/02/1997 | CN1153413A Protection element and method for protecting circuit |
| 07/01/1997 | US5644461 High voltage d-c current limiter |
| 07/01/1997 | US5644283 Variable high-current resistor, especially for use as protective element in power switching applications & circuit making use of high-current resistor |
| 06/26/1997 | WO1997023025A1 Surge absorber |
| 06/25/1997 | EP0780952A1 Monolithic and static current limiter and circuit breaker |
| 06/25/1997 | CN1035295C Electric power trasmission system |
| 06/24/1997 | US5642249 Method and apparatus for limiting high current electrical faults in distribution networks by use of superconducting excitation in transverse flux magnetic circuit |
| 06/24/1997 | US5642025 Process and apparatus for the reduction of surges in switch-on current in the operation of a rotary current load |
| 06/19/1997 | WO1997022168A1 Isolated electrical power supply |
| 06/18/1997 | CN1152205A Power converter protective appartus |
| 06/12/1997 | WO1997021263A2 Electrical power supply with low-loss making-current limitation and step-up converter circuit |
| 06/12/1997 | DE19546132A1 Circuit for limiting in-rush current and overvoltage in voltage converter |
| 06/11/1997 | EP0778646A2 Rush current suppression circuit |
| 06/10/1997 | CA2127527C Power surge resistor pastes |
| 06/05/1997 | DE19602121C1 Current limiting circuit, e.g. for power supply or DC-DC converter |
| 06/04/1997 | EP0776539A1 Electrostatic protection circuit |
| 06/04/1997 | CN2255691Y Lightning-proof protector for single-phase power supply |
| 06/04/1997 | CN1151225A Improved voltage polarity memory system and fuse-switch assembly usable therewith |
| 06/04/1997 | CN1151090A Low-voltage distribution type lightning-protection module |
| 06/03/1997 | US5635824 Power supplying circuit |
| 06/03/1997 | US5635804 Power supply apparatus and method for an electric vehicle |
| 05/31/1997 | CA2191518A1 Retractable cord surge protector |
| 05/31/1997 | CA2185047A1 Electrostatic discharge protection for an electrical device |
| 05/28/1997 | DE19605628C1 Circuit for avoiding electrostatic discharge and latch-up |
| 05/27/1997 | US5633773 Overvoltage protection for input/output circuits |
| 05/21/1997 | EP0774767A1 Modular surge suppressor |
| 05/20/1997 | US5631797 For limiting the voltage on a telephone line |
| 05/20/1997 | US5631794 Differential shunt-type protection circuit |
| 05/20/1997 | US5631588 Power output stage with limited current absorption during high-impedance phase |
| 05/20/1997 | US5631549 Linear regulator power supply with an overcurrent protection device |
| 05/20/1997 | CA2028072C Tingle voltage filter |
| 05/15/1997 | WO1997017708A1 Surge arrester |
| 05/14/1997 | EP0773562A2 Current limiter |
| 05/14/1997 | EP0717887B1 A.c. controller |
| 05/14/1997 | CN1149936A Circuit for limiting current |
| 05/14/1997 | CN1149746A Circuit protective device comprising PTC condcutive liquid crystal polymer composition |
| 05/13/1997 | US5629826 Retractable cord surge protector |
| 05/07/1997 | EP0772274A2 Apparatus for electro-static discharge protection in a semiconductor device |
| 05/07/1997 | EP0771465A1 Single and multi-layer variable voltage protection devices and methods of making same |
| 05/07/1997 | EP0717886B1 Current limiting device |
| 05/06/1997 | US5627738 Low cost, high reliability soft start arrangement |
| 05/06/1997 | US5627721 Protector cartridge for modular connector blocks |
| 05/01/1997 | WO1997015975A1 Esd protection for overvoltage friendly input/output circuits |
| 04/30/1997 | CN1148748A Short-circuit protective circuit for dc. voltage power supply |
| 04/29/1997 | US5625521 Surge protection circuitry |
| 04/29/1997 | US5625518 Clamping circuit with reverse polarity protection |
| 04/29/1997 | US5625280 Voltage regulator bypass circuit |
| 04/23/1997 | EP0769815A2 Circuit configuration with protection means |
| 04/22/1997 | US5623388 For use on telephone lines |
| 04/16/1997 | EP0667050B1 Device for protection against overcurrents |
| 04/16/1997 | CN2252434Y Overvoltage protector |
| 04/16/1997 | CN2252433Y Anti-overvoltage and overcurrent protector for telecommunication system |
| 04/16/1997 | CN2252428Y Multiurpose high-frequency feeder lightning arrester |
| 04/15/1997 | US5621599 Switched MOV device |
| 04/10/1997 | WO1997013307A1 Voltage pulse controllable electronic devices |
| 04/10/1997 | DE19602456C1 BiCMOS-CMOS circuit with incorporated protection |
| 04/09/1997 | EP0711466B1 Process, arrangement and use for limiting short circuit current on an electric energy transmission line |
| 04/09/1997 | CN1147139A Protector cartidge for modular connector blocks |
| 04/08/1997 | US5619127 Inrush current suppressing power supply |
| 04/08/1997 | US5619079 For reducing electromagnetic interference in an electrical system |
| 04/08/1997 | US5619076 Method and apparatus for connection and disconnection of batteries to uninterruptible power systems and the like |
| 04/08/1997 | CA2078390C Surge absorber |
| 04/03/1997 | WO1997012308A1 In-rush current reduction circuit for boost converters and electronic ballasts |
| 04/02/1997 | EP0766395A2 Power transistor with short-circuit protection |
| 04/02/1997 | EP0766362A2 Protecting element and method for protecting a circuit |
| 04/01/1997 | US5617288 Automatic surge suppressor disconnect protection system |
| 04/01/1997 | US5617287 Transient voltage surge suppression (TVSS) |
| 04/01/1997 | US5617284 Power surge protection apparatus and method |
| 04/01/1997 | US5617283 Self-referencing modulation circuit for CMOS integrated circuit electrostatic discharge protection clamps |
| 04/01/1997 | US5617282 Data communication system |
| 04/01/1997 | US5617281 Low cost circuit controller |
| 04/01/1997 | US5617280 Superconducting fault current limiter |
| 03/30/1997 | CA2179466A1 Protection element and method for protecting a circuit |
| 03/27/1997 | DE19638478A1 Overcurrent protection circuit for electric motor drive system |
| 03/26/1997 | EP0593588B1 Circuit protection arrangement |
| 03/26/1997 | CN2250589Y Multifunctional leakage protector |
| 03/26/1997 | CN1146088A Current limiting device |
| 03/25/1997 | US5615074 Electrostatic protection circuit |
| 03/25/1997 | US5614881 Current limiting device |
| 03/20/1997 | WO1997010637A1 Overcurrent protection circuit |
| 03/20/1997 | WO1997010636A2 Overcurrent protection circuit |
| 03/20/1997 | WO1997010635A1 Overcurrent protection circuit |
| 03/20/1997 | WO1997010615A1 Electrostatic discharge protection network and method |
| 03/20/1997 | WO1997010609A1 Electrical switch |
| 03/20/1997 | DE19534273A1 Schutzeinrichtung für Überspannungsableiter Surge protection device for |
| 03/19/1997 | EP0763272A1 Circuit for limiting current |
| 03/19/1997 | EP0657062B1 Changeable high-current resistor and its use as a protective component |
| 03/19/1997 | CN2249986Y Protector for electronic installation from lightning shock |
| 03/19/1997 | CN1145547A Convert circuit arrangement |
| 03/19/1997 | CN1145541A Protective device for surge current protection of associated equipment in communications systems |
| 03/18/1997 | US5612846 Electrical connector interface |
| 03/12/1997 | EP0762439A2 Current limiting device |
| 03/12/1997 | EP0762437A2 Electrical circuit protection devices comprising PTC conductive liquid crystal polymer compositions |
| 03/12/1997 | EP0761030A1 Current limiting device |
| 03/12/1997 | CN1145143A Electrostatic discharge protection circuits using biased and terminated PNP transistor chains |
| 03/11/1997 | US5610793 No-MOV protection circuitry |
| 03/05/1997 | EP0760196A1 Implant device with electrostatic discharge protection |
| 03/05/1997 | EP0611495B1 Dual voltage power supply |
| 03/05/1997 | CN2248946Y Boyonet connection ensuring unit for telephone main frame |
| 03/05/1997 | CN2248934Y Multi-function safety socket |