| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/31/2007 | CN2864959Y High-voltage circuit-breaker |
| 01/25/2007 | WO2007010608A1 Breaker |
| 01/25/2007 | US20070018509 Device having multiple conductive contact switches |
| 01/25/2007 | US20070017904 Switch assembly |
| 01/25/2007 | DE19519900B4 Niederspannungs-Wechselstromschaltschütz mit erhöhter Wiederverfestigungsspannung Low-voltage alternating-current contactor with an increased voltage resolidification |
| 01/25/2007 | DE102005031359B3 Stufenschalter Tap changer |
| 01/25/2007 | DE102005002139B4 Dreistellungsschalter mit Kurvenscheibe Three-position switch with cam |
| 01/24/2007 | CN2862301Y Mobile vacuum load switch |
| 01/24/2007 | CN1901124A Gas insulation switch |
| 01/24/2007 | CN1901123A 开合感应电流真空开关 Opening and closing of the induced current vacuum switch |
| 01/24/2007 | CN1296952C Air disconnector |
| 01/24/2007 | CN1296951C Circuit breaker |
| 01/24/2007 | CN1296950C 真空阀 Vacuum valve |
| 01/23/2007 | US7166936 Method and an apparatus for controlling an electric switching device |
| 01/18/2007 | WO2007006835A1 Radio-based sectionaliser and multiphase synchronised opening method |
| 01/18/2007 | WO2007006686A1 Electrical switchgear and method for operating an electrical switchgear |
| 01/18/2007 | WO2006111338A3 Load disconnecting switch and switchgear with a load disconnecting switch |
| 01/18/2007 | DE19716024B4 Metallgekapselte gasisolierte Schaltanlage Metal-enclosed gas-insulated switchgear |
| 01/17/2007 | EP1744338A1 Drive mechanism and method for opening/closing of electric switchgear |
| 01/17/2007 | EP1743348A1 Method and device for interrupting a fault current occurring in an a/c system |
| 01/17/2007 | CN2859791Y Outdoor high-voltage AC vacuum breaker |
| 01/17/2007 | CN2859790Y Cut-in type super high voltage insulating switch contact with resistance |
| 01/17/2007 | CN2859775Y Compressed spring interlocking apparatus for circuit breaker |
| 01/17/2007 | CN1898761A Nozzle of gas-insulated switching device and the related device |
| 01/17/2007 | CN1897199A 气体绝缘开关装置 Gas insulated switchgear |
| 01/17/2007 | CN1897198A Sealing edge cross-sectional profiles to allow brazing of metal parts directly to a metallized ceramic for vacuum interrupter envelope construction |
| 01/17/2007 | CN1295831C Driving apparatus for insertion type circuit breaker |
| 01/13/2007 | CA2551839A1 Switch mechanisms for safe activation of energy on an electrosurgical instrument |
| 01/11/2007 | WO2007003727A1 Vacuum bulb for an electrical protection apparatus, such as a switch or a circuit breaker |
| 01/11/2007 | US20070007826 Intellingent three-way and four-way dimmers |
| 01/11/2007 | US20070007250 Sealing edge cross-sectional profiles to allow brazing of metal parts directly to a metallized ceramic for vacuum interrupter envelope construction |
| 01/11/2007 | US20070007249 Electrical contacts for vacuum circuit breakers and methods of manufacturing the same |
| 01/11/2007 | DE102005032709A1 Elektrisches Schaltgerät sowie Verfahren zum Betrieb eines elektrischen Schaltgerätes Electrical switching device, and method for operating an electrical switching device |
| 01/11/2007 | CA2612730A1 Vacuum bulb for an electrical protection apparatus, such as a switch or a circuit breaker |
| 01/10/2007 | EP1742242A1 Brazed metallic end cap for a vacuum interrupter envelope |
| 01/10/2007 | EP1742241A2 Watercraft with direct current circuit comprising a vaccum switch |
| 01/10/2007 | CN2857196Y Outdoor high voltage vacuum breaker |
| 01/10/2007 | CN2857195Y Electric steering mechanism for high voltage disconnecting switch |
| 01/10/2007 | CN2857194Y Indoor high voltage disconnecting switch |
| 01/10/2007 | CN2857193Y Thoroughfare type large current indoor high voltage disconnecting switch |
| 01/10/2007 | CN1894762A Switchgear for the medium-voltage range and high-voltage range |
| 01/10/2007 | CN1893210A Vacuum insulated switchgear |
| 01/10/2007 | CN1892956A Electrical contacts for vacuum circuit breakers and methods of manufacturing the same |
| 01/10/2007 | CN1892955A Device for controlling the opening/closing operation of an electric switchgear |
| 01/09/2007 | CA2267007C Compartmentalized arc chamber |
| 01/04/2007 | US20070001677 Device for detecting contact wear in switching appliances |
| 01/04/2007 | US20070000876 Vacuum insulated switchgear |
| 01/04/2007 | DE102005027268B3 Kontaktanordnung für Vakuumschalter Contact arrangement for vacuum switches |
| 01/03/2007 | EP1739701A2 Device for controlling the opening/closing operation of an electric switchgear |
| 01/03/2007 | EP1738380A1 Electrical medium- or high-voltage cutoff device |
| 01/03/2007 | CN2854794Y Indoor AC hightension enclosed load switch |
| 01/03/2007 | CN2854793Y Hydraulic operation mechanism for high tension circuit breaker |
| 01/03/2007 | CN2854792Y Static contact structure of indoor AC high-pressure enclosed load switch |
| 01/03/2007 | CN1889214A Dynamic three coil type double-steady permanent magnetic operating mechanism |
| 01/03/2007 | CN1293585C Electrical switching device with a cooling device |
| 01/03/2007 | CN1293378C Non interference monitering method for mixing ratio of gas mixture containing at least two components |
| 01/02/2007 | US7158369 Single phase or polyphase switchgear in an enveloping housing |
| 12/28/2006 | US20060292710 Sensor and method for detecting electric contact degradation |
| 12/27/2006 | CN2852361Y Restorable high capacity high-speed switch apparatus |
| 12/27/2006 | CN1885466A Switch device of parallel connection vacuum arc extinguishing chamber |
| 12/27/2006 | CN1885465A Vacuum switch with up and low isolations |
| 12/26/2006 | US7154726 Pluggable electrical apparatus, in particular surge arrester |
| 12/26/2006 | US7154062 Circuit breaker |
| 12/21/2006 | US20060283842 Switching device with a disconnection and/or grounding function |
| 12/21/2006 | US20060283841 Encapsulated gas-insulated switchgear assembly |
| 12/20/2006 | EP1733409A2 Electric device with compressed insulating gas comprising a composite insulator provided with a window for observation of the contacts |
| 12/20/2006 | EP1295097B1 Internal fault indicator for power electrical devices |
| 12/20/2006 | CN1881491A Method and apparatus for on-off circuit safety |
| 12/19/2006 | US7151331 Process and device for current switching with a fluid-driven liquid metal current switch |
| 12/19/2006 | US7151234 Outlet panel for single pin connectors |
| 12/14/2006 | WO2006131476A1 Contact arrangement for a vacuum switch |
| 12/14/2006 | WO2006131442A1 Drive arrangement with a drive device of an electrical switchgear and method for operating the drive arrangement |
| 12/14/2006 | US20060279386 Electromagnetic actuator |
| 12/13/2006 | CN2847505Y Permanent magnet mechanism driving controller |
| 12/13/2006 | CN1290132C Vacuum valve |
| 12/12/2006 | US7148441 Solid dielectric encapsulated interrupter with reduced corona levels and improved BIL |
| 12/12/2006 | CA2286416C Closure resistance set-up for high-tension electrical equipment |
| 12/06/2006 | EP1729316A1 Medium voltage switching device |
| 12/06/2006 | EP1218905B1 Vacuum contactor |
| 12/06/2006 | CN2845259Y Wall boring casing with arc extinction chamber and its contactor for switch device |
| 12/05/2006 | CA2316369C Improvements in and relating to electromagnetic actuators |
| 11/30/2006 | US20060266739 Vacuum capacitor |
| 11/30/2006 | DE102004047276B4 Selbsthaftende Elastomerschicht in feststoffisolierten Schalterpolen Self-adhesive elastomer layer in solid-insulated switch poles |
| 11/29/2006 | EP1378040B1 Single phase or polyphase switchgear in an enveloping housing |
| 11/29/2006 | CN2842697Y High-voltage high-current vacuum breaker fixing-sealing phase column |
| 11/29/2006 | CN2842696Y Operation interlocking mechanism of vacuum load switch cabinet |
| 11/29/2006 | CN2842686Y Automatic-turning on-off electric-appliance structure |
| 11/29/2006 | CN1871678A Switching device |
| 11/29/2006 | CN1870200A Real-time monitoring system for temp pressure of high voltage switch hydraulic operation mechanism box of converting station |
| 11/29/2006 | CN1870199A Double-fracture combination column type superhigh voltage multiplier breaking circuit breaker |
| 11/29/2006 | CN1287157C Method for determining load of contact device |
| 11/28/2006 | CA2263881C A hermetically sealed vacuum load interrupter switch with flashover protection features |
| 11/23/2006 | US20060261043 Apparatus and method for circuit operation definition |
| 11/23/2006 | DE102006011100A1 Flache magnetische Unterbaueinheit Flat magnetic base unit |
| 11/22/2006 | EP1724802A2 Gas-insulated equipment |
| 11/22/2006 | EP1502271B1 Interrupter unit for a high-voltage power switch |
| 11/22/2006 | CN2840419Y Sulphur hexafluoride loop network load switch cabinet operating mechanism |
| 11/22/2006 | CN2840306Y Indoor high-voltage vacuum breaker clutch mechanism |
| 11/22/2006 | CN2840305Y Indoor high-voltage vacuum breaker isolating contact arm |
| 11/22/2006 | CN2840304Y Indoor high-voltage three-station isolating switch |