High-voltage switches with arc preventing or extinguishing devices patents - Monitor Patents
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High-voltage switches with arc preventing or extinguishing devices

Below are recently published patent applications awaiting approval from the USPTO. Recent week's RSS XML file available below.
Listing for abstract view: USPTO application #, Title, Abstract excerpt,Patent Agent. Listing format for list view: USPTO National Class full category number, title of the patent application.
09/04/2014 > 2 patent applications in 2 patent subcategories.
08/28/2014 > 2 patent applications in 2 patent subcategories.
08/21/2014 > 1 patent applications in 1 patent subcategories.

20140231391 - Switchgear operating mechanism and switchgear: A switchgear and an operating mechanism thereof which stably maintain a spring force by a shutoff spring, and reduce an opening time. The operating mechanism includes a main lever that rotates upon receiving the spring force by a shutoff spring released in a transition to a shutoff condition to move... Agent: Kabushiki Kaisha Toshiba

08/14/2014 > 4 patent applications in 4 patent subcategories.

20140224769 - Power switching apparatus: A power switching apparatus comprising a vacuum interrupter assembly and a switching assembly connected in parallel between a pair of terminals, each of the terminals being connectable in use to an electrical circuit. The vacuum interrupter assembly includes at least one vacuum interrupter having a pair of electrically conductive rods... Agent: Alstom Technology Ltd.

20140224770 - High voltage gas circuit breaker gas density monitoring system: A gas density monitoring system for high voltage gas circuit breakers. The gas density monitoring system comprising a gas density device mounted directly on a circuit breaker tank end cover. When the gas density device is fully secured to the tank end cover, the gas density device works in conjunction... Agent: Mitsubishi Electric Power Products, Inc.

20140224771 - Current interrupter for high voltage switches: The present invention provides a vacuum interrupter for interrupting a voltage. The vacuum interrupter includes a vacuum bottle housing having an interior and an exterior, and at least one vacuum bottle positioned within the interior of the vacuum bottle housing. The at least one vacuum bottle includes axially separable contacts... Agent:

20140224772 - Circuit breaker: A circuit breaker includes: a first arc-extinguishing chamber and a second arc-extinguishing chamber that interrupt a current by opening contact points and extinguish an arc during the current is being interrupted; and a connection unit that connects the first arc-extinguishing chamber and the second arc-extinguishing chamber to each other. The... Agent: Mitsubishi Electric Corporation

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