| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 08/28/2013 | CN203165780U Rotary type indoor high voltage disconnecting switch |
| 08/28/2013 | CN203165779U Grounding switch used with three-position switch |
| 08/28/2013 | CN103268836A Anti-misoperation demarcating load switch with disconnecting link |
| 08/27/2013 | USRE44455 Measuring array |
| 08/22/2013 | DE102012101417A1 Hochstromkontakt mit Lichtbogenfußpunktfalle sowie Schaltvorrichtung insbesondere für die Hochstromtechnik mit einem solchen Hochstromkontakt High current contact with Lichtbogenfußpunktfalle and switching device especially for the high current technology with such a high current contact |
| 08/21/2013 | CN203150457U Ultra-high-voltage three-phase mechanical linkage device |
| 08/21/2013 | CN203150456U Static contact for super-high-voltage isolating switch |
| 08/21/2013 | CN203150455U Grounding switch for 10-kilovolt (KV) capacitor whole-set cabinet |
| 08/21/2013 | CN103258684A Self-buckling and self-unlocking high-voltage insulation handling rod connector |
| 08/20/2013 | US8514540 Smart plug with internal condition-based demand response capability |
| 08/20/2013 | US8513955 SSL budgeting and coding system for lighting assembly |
| 08/20/2013 | US8513954 Test circuit for resistor capacitor circuits |
| 08/14/2013 | EP2626876A1 Power source circuit breaker |
| 08/14/2013 | CN203134653U Mechanical interlocking device between isolating switch and grounding switch for open type combined electric appliance |
| 08/14/2013 | CN203134652U Ring main unit switch/ground integral operation mechanism |
| 08/14/2013 | CN203134651U Ring main unit fuse/ground integration type operating mechanism |
| 08/14/2013 | CN203134650U Single-phase static contact group used for fuse-type isolating switch |
| 08/14/2013 | CN203134649U Outdoor high-voltage isolation load switch lever top support capable of adapting to different electric pole top diameters |
| 08/14/2013 | CN203134648U Disconnecting switch structure used for solid insulation ring-network cabinet |
| 08/14/2013 | CN203134647U Cast-aluminum barrier of contact |
| 08/14/2013 | CN203134598U Three position load switch operation mechanism |
| 08/14/2013 | CN103247468A Anti-misoperation tool for operating 10 kV circuit disconnector |
| 08/14/2013 | CN103247467A Interlocking mechanism and interlocking control method for lower door of high-tension switch cabinet and earthing switch |
| 08/14/2013 | CN103247466A Automatically controlled breaker isolating switch |
| 08/14/2013 | CN103247465A Pin insulator disconnecting switch |
| 08/14/2013 | CN101802949B Load interrupter |
| 08/13/2013 | US8508236 Electronic device and method for testing a circuit board |
| 08/13/2013 | US8508235 Electronic device and method for testing a circuit board |
| 08/08/2013 | WO2013114073A1 Air circuit breaker coil adapter |
| 08/07/2013 | CN203119323U High-voltage switch cabinet with grounding switches and rear door interlocked |
| 08/07/2013 | CN203118844U Buckle device of contact assembly and contact assembly |
| 08/07/2013 | CN203118843U Grounding knife interlock mechanism |
| 08/07/2013 | CN203118842U Load switch quick in assembling |
| 08/07/2013 | CN203118841U Grounding switch |
| 08/07/2013 | CN203118840U Three-position switch operating mechanism with anti-overshoot device |
| 08/07/2013 | CN203118802U Three-position spring operation mechanism |
| 08/07/2013 | CN103238196A Electrical contact arrangement |
| 08/07/2013 | CN103236370A Four-connecting-rod and three-workstation isolating switch |
| 08/07/2013 | CN103236369A Solid insulation disconnecting switch |
| 08/07/2013 | CN101996814B Electric operating structure for 6-10kV isolation switch |
| 08/06/2013 | US8502544 Method for testing mask articles |
| 08/01/2013 | WO2013110511A1 Switching device, more particularly a load interrupter switch, for medium-voltage switching systems |
| 07/31/2013 | CN203103205U 1500V direct current isolating switch |
| 07/31/2013 | CN203103204U High-voltage isolation switch contact |
| 07/31/2013 | CN203103203U High voltage alternating current grounding switch |
| 07/31/2013 | CN203103202U Double-contact-point insertion-type fixed contact structure |
| 07/31/2013 | CN203103201U Direct-operated high-voltage isolating switch |
| 07/31/2013 | CN203103200U 27.5kV indoor integration electric isolating switch |
| 07/31/2013 | CN103229265A Power circuit interrupting device |
| 07/31/2013 | CN103229264A Electric current switching device |
| 07/24/2013 | CN203085441U An isolating switch fuse group |
| 07/24/2013 | CN203085440U An isolating switch fuse group |
| 07/24/2013 | CN203085439U Hole sealing device and fuse-type disconnector adopting same |
| 07/24/2013 | CN203085438U High voltage isolation switch |
| 07/24/2013 | CN103219190A +/-1100kV high-voltage direct current disconnecting switch |
| 07/24/2013 | CN103219189A Rotary insulator and isolating switch |
| 07/23/2013 | US8492931 Selecting structure for device |
| 07/17/2013 | CN203070998U Ball screw transmitted three-position isolation grounding switch |
| 07/17/2013 | CN203070997U Static contact used for high-voltage switchgear |
| 07/17/2013 | CN203070996U Porcelain pole structure of single-column type isolation switch |
| 07/17/2013 | CN203070995U Three-position isolation switch |
| 07/17/2013 | CN102184794B Anti-misoperation device for manual operation mechanism of grounding switch |
| 07/16/2013 | US8487637 Test arrangement for impulse voltage testing of electrical high-voltage components |
| 07/16/2013 | US8487482 Circuit for controlling power supply to a consumer and method for operating a circuit |
| 07/10/2013 | CN203056444U Isolating ground switch used for solid insulation switch cabinet |
| 07/10/2013 | CN203055763U Loop self-locking load switch |
| 07/10/2013 | CN203055762U Isolating switch device used for solid insulation breaker ring main unit |
| 07/10/2013 | CN203055761U Fully sealed insulating switch |
| 07/10/2013 | CN203055760U Four-joint sealed insulating switch |
| 07/10/2013 | CN203055759U Static contact of low-voltage load-disconnector switch and low-voltage load-disconnector switch |
| 07/10/2013 | CN203055758U Isolating switch butting connecting lever |
| 07/10/2013 | CN203055702U Electrical connector for high voltage switchgear |
| 07/10/2013 | CN103198962A Moving contact of 330kV isolating switch of converting station |
| 07/10/2013 | CN102420069B Switchgear and method for operating switchgear |
| 07/09/2013 | US8482289 Method for operating a power tool with a diagnostic device |
| 07/03/2013 | CN203038843U Fuse of disconnecting switch |
| 07/03/2013 | CN203038842U Closed-type protection device for outdoor GW28 disconnecting switch |
| 07/03/2013 | CN203038841U Novel electric grounding switch |
| 07/03/2013 | CN102013354B Three-station isolating switch |
| 07/03/2013 | CN101849272B 开闭器 Shutter |
| 07/03/2013 | CN101763976B Method for reducing failure rate of knife switch on 10KV column |
| 06/27/2013 | US20130163165 Gas-insulated switchgear |
| 06/26/2013 | CN203026439U Synchronized driving mechanism of outdoor alternating-current high-voltage three-phase linkage disconnecting switch |
| 06/26/2013 | CN203026438U Disconnecting link latch hook opening and closing mechanism of outdoor alternating-current high-voltage disconnecting switch |
| 06/26/2013 | CN203026437U Pivoting shaft electric connection mechanism of outdoor alternating-current high-voltage isolation switch |
| 06/26/2013 | CN203026436U High-elastic-pressure contact of outdoor alternating-current high-voltage isolation switch |
| 06/26/2013 | CN203026435U Static contact of high-voltage switch |
| 06/26/2013 | CN101855692B Cutouts with automatic reclosing |
| 06/25/2013 | US8471412 Switch assembly, electric consumer as well as machine tool |
| 06/20/2013 | WO2013087669A1 Mobile conducting unit for a breaker, including a spring for accelerating the separation of arc contacts |
| 06/20/2013 | WO2013087661A1 Device for driving a conductive unit of a circuit breaker so as to move the unit at a variable speed |
| 06/19/2013 | CN203013610U Pole post assembly of solid insulation switchgear |
| 06/19/2013 | CN203013600U Isolating switch in three-phase in-line arrangement and with self compacting type earthing switch |
| 06/19/2013 | CN203013599U Conductive structure of three-column one-step opening and closing isolation switch |
| 06/19/2013 | CN203013598U Isolating switch and breaker with same isolating switch |
| 06/19/2013 | CN203013597U Three-phase in-line arrangement earthing switch structure driven by double pull rods |
| 06/19/2013 | CN203013596U Self compacting type earthing switch structure with adjustable installation position |
| 06/19/2013 | CN103165298A Single-motor three-station mechanism for switch |
| 06/19/2013 | CN102176396B Three-phase common-box type high-speed earthing switch device |
| 06/18/2013 | US8466691 Determination of insulation resistance of an electric DC circuit |