| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 11/06/2013 | CN203277198U Pin-type insulator disconnecting switch |
| 11/06/2013 | CN203277183U Outdoor AC high-voltage disconnecting switch |
| 11/06/2013 | CN203276485U Anti-misoperation alarm device of high voltage switch cabinet |
| 11/06/2013 | CN102306585B Remote control and manual dual-purpose electrical high-voltage safety switch |
| 11/06/2013 | CN101471545B Set of disconnecting switches for a medium- and high-voltage electric substation in a metal enclosure |
| 10/31/2013 | WO2013160115A1 Isolating/grounding switch with three phases in one enclosure |
| 10/31/2013 | US20130284575 Air Break Electrical Switch Having a Blade Open/Closed Indicator |
| 10/30/2013 | CN203260523U Anti-over shifting three-position disconnecting switch |
| 10/30/2013 | CN203260522U Rapid grounding switch |
| 10/30/2013 | CN103377849A Three-phase common-box earthed switch |
| 10/30/2013 | CN102024606B Three-station isolation ground switch |
| 10/29/2013 | US8570141 Method and apparatus for monitoring and controlling a household appliance standby state |
| 10/29/2013 | US8570049 Method and apparatus for measuring AC shield continuity for shielded twisted pair structured datacomm cable link |
| 10/29/2013 | US8570048 Inspection jig for display panel, inspection system using the same, and method for inspecting the display panel using the same |
| 10/23/2013 | EP2654059A1 Electric current switching device |
| 10/23/2013 | EP2652763A1 Disconnector switch for voltage transformer |
| 10/23/2013 | CN203250680U Directly operated type two-station isolation switch of solid insulation looped network cabinet |
| 10/23/2013 | CN203250679U Three-position switch electric operating mechanism for GIS |
| 10/23/2013 | CN203250678U Directly operated grounding switch of solid insulation ring main unit |
| 10/23/2013 | CN203250677U Grounding switch insulation device |
| 10/23/2013 | CN103368096A Solid insulation ring main unit |
| 10/23/2013 | CN103367020A Disconnecting switch and conducting loop structure thereof |
| 10/23/2013 | CN103367019A Movable switch knife |
| 10/23/2013 | CN103367018A Combined-type double-grounding switch device |
| 10/23/2013 | CN103367017A Three-station isolation switch position sensing device |
| 10/23/2013 | CN103367016A An electric switching device and related electric apparatus |
| 10/17/2013 | WO2013153623A1 Power switching device |
| 10/17/2013 | US20130270089 Self-Contained Link Module For Gang-Style High Voltage Dead Tank Breaker |
| 10/17/2013 | US20130270087 Non-Rotary, Pull-Pull Interphase Gang-Style Linkage Structure For High Voltage Dead Tank Breaker |
| 10/17/2013 | US20130270086 Shipping Configuration To Reduce Height Of A High Voltage Dead Tank Circuit Breaker |
| 10/16/2013 | EP2650892A1 Control device of a medium-voltage electric switchgear unit and switchgear unit controlled by one such device |
| 10/16/2013 | EP2650891A1 Control device for a medium-voltage electric protection apparatus comprising an interlock device and electric protection apparatus comprising same |
| 10/16/2013 | CN203242933U High-voltage variable-frequency bypass switchover cabinet |
| 10/16/2013 | CN203242518U Single-motor three-station mechanism for switch |
| 10/16/2013 | CN103354191A Device capable of preventing on-load operation of high-voltage isolating switch |
| 10/16/2013 | CN103354190A Isolation grounding switch device and solid insulating switch using same |
| 10/16/2013 | CN102017038B Medium voltage switch unit |
| 10/09/2013 | EP2647024A1 Electrical contact arrangement |
| 10/09/2013 | CN203232839U Three-position isolation switch with mistaken power transmission prevention |
| 10/09/2013 | CN102306559B Movable and static contact connection assembly and high-voltage isolation grounding switch |
| 10/09/2013 | CN102136388B High-voltage grounding switch |
| 10/08/2013 | US8552317 Metal-encapsulated, polyphase, gas-insulated busbar switch disconnector and earthing switch |
| 10/03/2013 | WO2013143620A1 Electrical circuit switch |
| 10/02/2013 | EP2645394A1 Power circuit interrupting device |
| 10/02/2013 | CN203225198U Isolation switch and changeover switch |
| 10/02/2013 | CN103337405A A three-position mechanism with reclosing and grounding closing functions and an operation method thereof |
| 10/02/2013 | CN103337404A Isolation switch and fixing device of composite shaft sleeves of isolation switch |
| 10/02/2013 | CN103337403A Three-position switch adopting touch screen |
| 10/02/2013 | CN102496515B Front and rear multi-door locking mechanism with operating position of disconnecting switch on side face |
| 10/02/2013 | CN101385108B Electrical switching device |
| 10/01/2013 | US8548674 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities |
| 09/26/2013 | WO2013140619A1 Current switch |
| 09/26/2013 | DE102012204371A1 Kontaktanordnung und elektrisches Schaltgerät Contact assembly and electrical switching device |
| 09/25/2013 | CN103329375A 开关 Switch |
| 09/25/2013 | CN103325608A Ring main unit control mechanism |
| 09/25/2013 | CN103325607A Folding arm type disconnecting switch capable of achieving transformation at different angles |
| 09/25/2013 | CN103325606A Three-position isolation earthing switch |
| 09/25/2013 | CN101901712B Pole type three-phase high-voltage isolating switch |
| 09/24/2013 | US8542022 VLF test generator |
| 09/24/2013 | US8541702 Folding high voltage electric power switch |
| 09/18/2013 | EP2639807A1 Power source circuit cutoff device |
| 09/18/2013 | CN203205320U Direct-acting insertion type electric connection structure of three-station isolating grounding switch |
| 09/18/2013 | CN203205319U Auxiliary switch system device of high voltage switch device |
| 09/18/2013 | CN203205318U Transformer station 330 kV isolation switch moving contact |
| 09/18/2013 | CN1971793B Electrical switchgear |
| 09/18/2013 | CN103311039A Conductor static contact connection structure |
| 09/18/2013 | CN103311038A Small-size modularized operating mechanism |
| 09/18/2013 | CN103307743A Heating device of high voltage isolating switch and usage method |
| 09/18/2013 | CN101783490B Manual operating mechanism of jack box |
| 09/11/2013 | CN203192672U Direct-acting three-position isolating switch |
| 09/11/2013 | CN203192671U Rainproof umbrella of outdoor mechanism of isolating switch |
| 09/11/2013 | CN203192670U High voltage isolation switch housing |
| 09/11/2013 | CN203192669U Four-bar three-position isolating switch |
| 09/11/2013 | CN203192668U High-voltage load switch |
| 09/11/2013 | CN203192622U Grounding-switch driving mechanism and high-voltage switch device |
| 09/11/2013 | CN103295828A Side-mounted type indoor high-voltage isolating switch |
| 09/11/2013 | CN103295827A Insulating supporting body of alternate-current high-voltage line high voltage isolator and high voltage isolator |
| 09/11/2013 | CN103295806A Manual-and-electric switching-on switching-off dual-function permanent magnetic mechanism with protective chain |
| 09/05/2013 | US20130229190 Test chip, test board and reliability testing method |
| 09/05/2013 | US20130228432 Removable shed sleeve for switch |
| 09/05/2013 | US20130228431 Electrical Interface Interlock System |
| 09/04/2013 | CN203179779U Ground switch of transmission structure |
| 09/04/2013 | CN203179778U Isolation switch operation mechanism |
| 09/04/2013 | CN203179777U Three-station operation mechanism |
| 09/04/2013 | CN203179776U High voltage switch cabinet lower door and grounding switch interlock mechanism |
| 09/04/2013 | CN103282989A Disconnector switch for voltage transformer |
| 09/04/2013 | CN103280367A Large current three-position double-fracture disconnecting switch |
| 09/04/2013 | CN103280366A Disconnecting switch grounding component |
| 09/04/2013 | CN103280365A Switch-on fast adjustable high-voltage isolation switch static contact |
| 09/04/2013 | CN103280364A Electric earthing switch |
| 09/04/2013 | CN102157294B Three-station isolation ground switch |
| 09/03/2013 | US8525526 High voltage test terminal having a shock-absorbing insulator |
| 08/29/2013 | DE102012003516A1 Schaltanordnung in gasisolierten oder vakuumisolierten Schaltanlagen Circuitry in gas-insulated or vacuum-insulated switchgear |
| 08/29/2013 | CA2807608A1 Switch assembly with sequentially actuated power and neutral switching |
| 08/28/2013 | CN203165786U High-voltage disconnector electric-conduction disconnecting link with rotation/turnover structure |
| 08/28/2013 | CN203165785U Isolating switch |
| 08/28/2013 | CN203165784U Three-position disconnector |
| 08/28/2013 | CN203165783U Fixed clamping plate for high voltage isolator |
| 08/28/2013 | CN203165782U High-voltage disconnecting link protecting apparatus |
| 08/28/2013 | CN203165781U High voltage isolation switch operation connecting rod |