| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 08/06/2013 | US8502101 Circuit breaker |
| 08/06/2013 | CA2552570C Switching device |
| 08/01/2013 | WO2013112524A1 Circuit breaker remote tripping |
| 08/01/2013 | WO2013112519A1 Switchgear visible disconnect mechanical interlock |
| 08/01/2013 | WO2013110600A1 Gaseous medium including at least one polyfluorinated oxyrane and a hydrofluoroolefin for electrical insulation and/or for extinguishing high-voltage electric arcs |
| 08/01/2013 | WO2013110511A1 Switching device, more particularly a load interrupter switch, for medium-voltage switching systems |
| 08/01/2013 | WO2013110460A1 Shielding element for the use in medium voltage switchgears |
| 08/01/2013 | US20130193110 Contact arrangement for high-power electrical switching |
| 08/01/2013 | DE102013100906A1 Method for adaption of electric arc sensor in electric installation system, involves determining frequency distribution of current flow interruptions time intervals and determining adaption coefficient from frequency distribution |
| 07/31/2013 | EP2620969A1 High-voltage electrical switchgear |
| 07/31/2013 | EP2620968A1 Shielding element for the use in medium voltage switchgears |
| 07/31/2013 | EP2620966A1 Contact arrangement for high-power electrical switching devices |
| 07/31/2013 | EP2619783A1 Circuit breaker comprising a device for inserting a resistor into a power line |
| 07/31/2013 | EP2619782A1 Circuit breaker for a high-voltage power line, comprising an insertion device arranged in a connecting channel |
| 07/31/2013 | EP2619779A1 Gas-insulated high-voltage switch for interruption of large currents |
| 07/31/2013 | CN203103824U An epoxy resin solid insulation vacuum switch module |
| 07/31/2013 | CN203103216U High strength insulating rod |
| 07/31/2013 | CN203103215U Manual opening permanent magnet mechanism |
| 07/31/2013 | CN203103214U Vacuum load switch operation mechanism with closing position-restricted gear |
| 07/31/2013 | CN203103213U Vacuum circuit breaker and operating mechanism wear prevention device thereof |
| 07/31/2013 | CN203103212U Permanent-magnetic operating apparatus for outdoor pole-mounted high-voltage permanent-magnetic vacuum circuit breaker |
| 07/31/2013 | CN203103211U Energy storage handle of vacuum circuit breaker |
| 07/31/2013 | CN203103210U Vacuum arc extinguishing chamber and vacuum circuit breaker using same |
| 07/31/2013 | CN203103209U Vacuum arc extinguishing chamber and vacuum circuit breaker using same |
| 07/31/2013 | CN203103208U Outdoor intelligent vacuum circuit breaker |
| 07/31/2013 | CN203103207U Integrated solid encapsulated pole |
| 07/31/2013 | CN203103206U Solid insulation outdoor vacuum circuit breaker |
| 07/31/2013 | CN103229374A Gas-insulated device for electrical use |
| 07/31/2013 | CN103229264A Electric current switching device |
| 07/31/2013 | CN103227074A High voltage load switch capable of storing energy manually |
| 07/31/2013 | CN103227073A Self-energy-storage high-voltage load switch |
| 07/31/2013 | CN103227072A Integrated environment-friendly solid-sealed polar pole |
| 07/31/2013 | CN101821827B Compact common-transmission circuit breaker having two aligned cut-off chambers |
| 07/30/2013 | US8497446 Encapsulated vacuum interrupter with grounded end cup and drive rod |
| 07/30/2013 | US8497445 Vacuum valve |
| 07/25/2013 | WO2013109839A2 Low-profile circuit breaker |
| 07/25/2013 | WO2013107647A1 Voltage and/or current sensing device for low-, medium- or high voltage switching devices |
| 07/25/2013 | WO2013107638A1 Vapor shield arrangement for vacuum switching tube |
| 07/25/2013 | WO2013107556A1 Circuit arrangement for reducing the current intensity in a high-voltage dc transmission line, high-voltage dc transmission installation, and method for reducing the current intensity of an electrical current |
| 07/25/2013 | DE102012200962A1 Schaltgerät, insbesondere Lasttrennschalter, für Mittelspannungs-Schaltanlagen Switching device, in particular switch disconnectors for medium voltage switchgear |
| 07/24/2013 | EP2618356A1 Voltage and/or current sensing device for low-, medium- or high voltage switching devices |
| 07/24/2013 | EP2618355A1 Vapor shield arrangement for vacuum switsching tube |
| 07/24/2013 | EP2617550A1 Insulator made of composite material intended for holding a switching chamber |
| 07/24/2013 | EP2617048A1 Tap changer and vacuum switching tube for such a tap changer |
| 07/24/2013 | CN203085446U Phase selection switch controller |
| 07/24/2013 | CN203085445U Phase selection switch controller with communication function |
| 07/24/2013 | CN203085444U Phase selection switch controller with self-measuring function |
| 07/24/2013 | CN203085443U High voltage breaker hydraulic spring operation mechanism mechanical delay switch-off prevention device |
| 07/24/2013 | CN203085442U Permanent-magnetic Arc blowing device for DC isolating switch |
| 07/24/2013 | CN103219193A High-voltage load switch |
| 07/24/2013 | CN103219192A Improved breaker |
| 07/24/2013 | CN103219191A High-voltage electric appliance switch novel separate-combined transmission device |
| 07/24/2013 | CN101960550B Insulator integrated power supply |
| 07/24/2013 | CN101901716B Switchgear |
| 07/23/2013 | US8492672 Insulated arc flash arrester |
| 07/18/2013 | WO2013105196A1 Switch device and switch device operation mechanism |
| 07/18/2013 | WO2013104693A1 Vacuum circuit breaker |
| 07/18/2013 | WO2013104495A1 Electric switching device |
| 07/18/2013 | US20130180956 Low-Profile Circuit Breaker |
| 07/17/2013 | CN203071002U Plum blossom contact |
| 07/17/2013 | CN203071001U Low voltage vacuum circuit breaker with heat radiation structure |
| 07/17/2013 | CN203071000U W-shaped series-structure ultrahigh-voltage vacuum circuit breaker |
| 07/17/2013 | CN203070999U V-shaped series-structure ultrahigh-voltage vacuum circuit breaker |
| 07/17/2013 | CN203070955U Spring operating mechanism |
| 07/17/2013 | CN203070950U Insulation bar assembly of switching device, and switching device |
| 07/17/2013 | CN103210464A Circuit breaker with controlled exhaust |
| 07/17/2013 | CN103210463A Bellows for use in vacuum interrupters |
| 07/17/2013 | CN103208397A Three-station operating mechanism for vacuum disconnecting switch |
| 07/17/2013 | CN103208396A Improved intelligent circuit breaker |
| 07/17/2013 | CN103208395A Improved low-voltage protection switch |
| 07/17/2013 | CN103208394A Impact vibration resisting fixing structure for solid encapsulated pole of medium-voltage vacuum circuit breaker |
| 07/17/2013 | CN103208393A Vacuum circuit breaker |
| 07/17/2013 | CN103208392A Vacuum circuit breaker |
| 07/16/2013 | US8487721 Circuit interruption device and method of assembly |
| 07/16/2013 | US8487482 Circuit for controlling power supply to a consumer and method for operating a circuit |
| 07/16/2013 | US8487204 Single pole or multi-pole double break switching devices |
| 07/16/2013 | US8487203 Disconnecting switch with earthing switch |
| 07/11/2013 | WO2013102623A1 Embedded or assembled pole part with vacuum interrupter, and method of manufacture the same |
| 07/11/2013 | WO2013102286A1 Vacuum breaker with closing holding device |
| 07/11/2013 | WO2013102285A1 Rigid power transmission device |
| 07/11/2013 | WO2013102284A1 Nitrogen ring-network cabinet |
| 07/11/2013 | DE102012200238A1 Elektrisches Schaltgerät Electrical switching apparatus |
| 07/10/2013 | EP2613333A1 Embedded or assembled pole part with vacuum interrupter, and method of manufacture the same |
| 07/10/2013 | CN203055835U High-voltage circuit-breaker device |
| 07/10/2013 | CN203055775U Vacuum circuit breaker closing circuit |
| 07/10/2013 | CN203055774U Three-position solid all-insulated switch |
| 07/10/2013 | CN203055773U Three-position vacuum interrupter |
| 07/10/2013 | CN203055772U Insulation cylinder for vacuum circuit breaker and vacuum circuit breaker |
| 07/10/2013 | CN203055771U Vacuum circuit breaker and medium-voltage inflation cabinet |
| 07/10/2013 | CN203055770U Vacuum circuit breaker applied on very-low-frequency antenna feeder system |
| 07/10/2013 | CN203055769U Integrated intelligent-type vacuum permanent-magnet circuit breaker |
| 07/10/2013 | CN203055768U Integrated conductive apparatus and vacuum circuit breaker |
| 07/10/2013 | CN203055767U Ring main unit directly-operated type vacuum switchgear |
| 07/10/2013 | CN203055766U Upper portion tank of electric automobile charging station breaker |
| 07/10/2013 | CN203055765U Three-station linear SF6 insulating load switch |
| 07/10/2013 | CN203055764U Outdoor isolating switch |
| 07/10/2013 | CN103201918A Gas insulated switching device |
| 07/10/2013 | CN103201811A Gas-insulated electrical apparatus comprising at least one corona-shield cap ensuring convective exchange |
| 07/10/2013 | CN103201810A Vacuum interrupter for a circuit breaker arrangement |
| 07/10/2013 | CN103201809A Switching apparatus |