| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
|---|
| 01/13/1999 | CN1041664C Gas-insulated disconnector provided with structure for suppressing metal particles contamination |
| 01/12/1999 | US5859580 Service plug having male and female terminals permanently coupled to the service plug for closing a protected circuit |
| 01/07/1999 | WO1999000809A2 Low-voltage power switch with an actuating shaft |
| 01/06/1999 | CN1204135A Vacuum type switch gear device having L shaped stationary and movable conductors arrangement |
| 12/30/1998 | EP0887824A1 Vacuum type switch gear device having L shaped stationary and movable conductor arrangement |
| 12/29/1998 | US5854582 Pivotal latching mechanism with interengageable latch arm and catch in a sectionalizer assembly |
| 12/29/1998 | US5854580 Breaker device |
| 12/29/1998 | CA2136924C Group operated circuit disconnect apparatus for overhead electric power lines |
| 12/22/1998 | US5852396 Fusible element with high surge capability |
| 12/16/1998 | EP0883888A1 Fuse-switch and/or fuse-disconnector |
| 12/16/1998 | EP0803142B1 Transformer assembly for the field terminal of encapsulated medium-voltage switchgear |
| 12/09/1998 | EP0882300A1 Interlock arrangement for stationary mounted circuit breakers |
| 11/26/1998 | DE19727853C1 Niederspannungs-Leistungsschalter mit einer Schaltwelle Low-voltage circuit breaker having a switch shaft |
| 11/24/1998 | US5841087 Isolating switch |
| 11/17/1998 | US5837950 Drawer type circuit breaker with drawer contacts biased against contact arcuate portions and external connection terminals |
| 11/11/1998 | EP0877404A1 Pneumatically actuated disconnector for high-voltage metal-enclosed switchgear |
| 10/27/1998 | US5828025 Disconnecting/grounding switch for metal-encapsulated, gas-insulated high-voltage switchgear |
| 10/27/1998 | US5828017 Electrical switch assembly |
| 10/20/1998 | US5823321 Locking device for unipolar breaker |
| 10/15/1998 | DE19715264A1 Sealing and locking mechanism for lid of safety switchgear |
| 10/13/1998 | US5821495 Gas circuit breaker |
| 10/13/1998 | US5821486 Switch for hookstick operation |
| 10/07/1998 | CA2232448A1 Centre double break disconnecting switch phase |
| 10/06/1998 | US5816850 Electrical junction box with a fuse |
| 09/16/1998 | CN1193176A Insulation-type switch device |
| 09/15/1998 | US5808251 Operation selector for switchgear |
| 09/09/1998 | EP0863526A2 Insulated type switchgear device |
| 09/09/1998 | CN2290918Y 高压真空负荷开关 High-voltage vacuum load switch |
| 09/08/1998 | US5805046 Current responsive latching apparatus for disconnecting and isolating an electrical device |
| 08/18/1998 | US5796326 Fuse assembly with a rotatable carrier for holding a plurality of fuses |
| 08/18/1998 | US5796060 Gas insulated switchgear with grounding and disconnecting switches |
| 08/13/1998 | DE19704933A1 Mast-mounted, automatic, protective circuit-breaker e.g. for electric railway traction current switching |
| 07/15/1998 | CN2286339Y Indoor high-voltage grounding switch |
| 06/30/1998 | US5773777 Circuit-interrepting device with handling features |
| 06/24/1998 | CN2285001Y Combined pole vacuum circuit breaker |
| 06/24/1998 | CN1185642A 断路器 Breaker |
| 06/18/1998 | WO1998026437A1 Interlock arrangement for stationary mounted circuit breakers |
| 06/17/1998 | EP0848398A1 A breaker device |
| 06/09/1998 | US5763844 Interlock arrangement for stationary mounted circuit breakers |
| 06/09/1998 | CA2068142C Gas isolated disconnecting switch and gas isolated switching device |
| 06/03/1998 | CN1038623C Improved current limiting fuse and dropout fuse-holder |
| 06/02/1998 | US5760673 Current limiting fuse and dropout fuseholder |
| 05/05/1998 | US5747765 Vertical antitracking skirts |
| 04/28/1998 | US5744873 Power switch device for electric vehicle including urging element to rotate an electric contact into an open position |
| 04/23/1998 | DE19654120C1 Earthing-/short-circuiting switch for electrical engineering |
| 04/22/1998 | CN2279692Y Special apparatus for overhauling high-voltage isolation switch |
| 04/21/1998 | US5742220 Handling tool for overhead-mounted devices |
| 04/14/1998 | US5739489 Rotary mechanism for driving signalling contacts of an electrical apparatus, in particular a high voltage grounding switch or disconnector |
| 04/07/1998 | US5736705 Grading ring insert assembly |
| 03/19/1998 | WO1998011581A1 Vertical antitracking skirts |
| 03/19/1998 | WO1998011580A1 Grading ring insert assembly |
| 03/12/1998 | DE19739796A1 Circuit-breaker plug for HV circuit e.g. of electric vehicle drive motors |
| 03/12/1998 | DE19738772A1 Circuit-breaker plug for HV circuit in electric vehicle |
| 02/24/1998 | US5721412 Disconnector for a metal encapsulated, gas insulated high voltage switchgear |
| 02/19/1998 | WO1998007223A1 Power switch installation with disconnecting functions |
| 02/18/1998 | EP0824264A2 Isolating and earthing switch for a metal-clad gas-insulated high voltage switch installation |
| 02/18/1998 | CN1173727A Isolating/earthing switch for metal-encapsulated, gas-insulated high-voltage switchgear |
| 02/17/1998 | US5719365 Insulated type switching device |
| 02/12/1998 | DE19633524A1 Leistungsschaltanlage mit Trennfunktion Circuit-breaker with isolating function |
| 02/11/1998 | CN1173032A Method for changing motor mechanism box body without power cut and box assembly and hoop |
| 02/04/1998 | CN1037300C High-power RF switch |
| 01/28/1998 | CN1171857A Positive locking mechanism for in-line switch |
| 01/21/1998 | CN2273048Y Isolator with protection device |
| 01/13/1998 | US5708239 Electrical contact breaker switch |
| 01/07/1998 | CN2272156Y Four-in-one combined electrical appliance |
| 12/09/1997 | US5696364 Combined interrupter disconnect switch blade for high voltage switch |
| 12/09/1997 | CA2166960C Locking device for unipolar disconnector |
| 11/26/1997 | EP0808523A1 Air insulated switchgear with operating device for effect circuit breaker |
| 11/26/1997 | CN1166040A Current limiting fuse and dropout fuseholder for interchangeable cutout mounting |
| 11/20/1997 | DE19619451A1 Electric switch esp. earthing switch |
| 11/19/1997 | EP0807944A1 Breaker device |
| 11/19/1997 | CN1165388A Isolator |
| 11/12/1997 | CN1164748A Earthed switch for medium voltage switch equipment |
| 11/05/1997 | CN1164113A Gas insulated switch gear device and method of assembling the same |
| 10/30/1997 | DE19707606A1 Rail containing circuit isolator |
| 10/29/1997 | EP0803888A2 Disconnecting switch |
| 10/29/1997 | EP0803142A2 Transformer assembly for the field terminal of encapsulated medium-voltage switchgear |
| 10/22/1997 | EP0802554A2 Device for locking a cover to a switch framework |
| 10/22/1997 | EP0802551A2 Locking device for cartridge fuses in an isolating switch |
| 10/22/1997 | CN2265585Y High-votage insulating switch |
| 10/22/1997 | CA2200634A1 Isolating switch |
| 10/15/1997 | CN2264967Y Isolating switch |
| 10/09/1997 | DE19613355A1 Earthing switch esp. in multiple phase arrangement for medium voltage network |
| 10/07/1997 | US5675308 Current-limiting fuse and housing arrangement having a seal between an element and housing |
| 10/02/1997 | DE19613750A1 Medium voltage switchgear section with rotary circuit breaker |
| 10/02/1997 | DE19612273C1 Switch contact-pair for medium and high voltage load disconnecting switch of overhead lines, transformers. HV motors and capacitors etc |
| 10/01/1997 | CN2263824Y Synthetic insulation pull rod |
| 09/24/1997 | CN2263394Y Double knife change-over switch with protector |
| 09/23/1997 | US5670927 Universal fuse holder and cut-out with built-in safety features and method |
| 09/18/1997 | DE19610178A1 Electrical contact breaker-connector and earthing system e.g. for HV gas-insulated switchgear |
| 09/17/1997 | EP0795219A1 Electric switching device |
| 09/17/1997 | CN2262749Y Rotary shaft for indoor high-tension isolating switch |
| 09/17/1997 | CN2262748Y Knife-type isolator |
| 09/17/1997 | CN2262744Y Contact networks isolating switch interlocking device for electric locomotive |
| 09/17/1997 | CN1035910C 限流熔断器 Limiting fuses |
| 09/04/1997 | WO1997032327A1 Fuse-switch and/or fuse-disconnector |
| 08/06/1997 | CN2259020Y Automatic controller for earthing knife of isolating switch |
| 07/22/1997 | US5650602 Circuit interrupting apparatus and method for high current power lines |
| 07/01/1997 | US5644117 Medium voltage electrical circuit breaker and switch |
| 06/18/1997 | CN1152181A Handling device for electrical line sections, able to establish current and provide protection against high fault currents |