| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
|---|
| 10/01/2008 | CN201126788Y Stylus replacer for isolating switch |
| 10/01/2008 | CN201126769Y Flame-proof type valve electric device control box for coal mine |
| 10/01/2008 | CN100423151C Switch locking device |
| 09/30/2008 | US7429710 Three-position ground switch |
| 09/24/2008 | CN201122523Y Fast grounding switch for high voltage electrical apparatus |
| 09/24/2008 | CN101271786A System for microcomputer on-line preventing electrical misoperation |
| 09/18/2008 | DE19957392B4 Glasisolierte, dreiphasig gekapselte Schaltanlage Insulated glass, three phase enclosed switchgear |
| 09/17/2008 | CN201118134Y Electric operation mechanism |
| 09/17/2008 | CN201118133Y Linkage rod type monolever operating mechanism |
| 09/17/2008 | CN201117538Y Mechanical latch device between manual and electric mode of load switch cabinet |
| 09/17/2008 | CN201117537Y Electric connection device for high voltage isolating switch |
| 09/17/2008 | CN201117536Y Ground switch moving knife device |
| 09/17/2008 | CN201117473Y Computer monitoring mis-operation preventing device |
| 09/17/2008 | CN101266894A An intelligent high-voltage dual power conversion switch |
| 09/11/2008 | US20080217154 Contact Arrangement with a Limiting Element, Which Limits the Deflection of the Moveable Contact Piece |
| 09/11/2008 | US20080217153 Insulating Body For a Medium-Voltage Switchgear Assembly |
| 09/11/2008 | US20080217152 High-voltage circuit breaker and switch arrangement |
| 09/11/2008 | US20080217148 Circuit Interrupter Assembly and Method of Making the Same |
| 09/10/2008 | CN201113245Y Outdoor prepackage type double power supply switching cabinet |
| 09/10/2008 | CN201112254Y Double-column II type outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
| 09/10/2008 | CN201112253Y Double-column V-shaped outdoor three-phase AC high-voltage isolating switch of self-operated sensing finger structure |
| 09/10/2008 | CN201112252Y Outdoor three-column type high voltage alternating current isolating switch |
| 09/10/2008 | CN201112251Y Mechanical interlocking mechanism of high-voltage insolating switch and vacuum contactor and high voltage chamber |
| 09/10/2008 | CN201112250Y Worm-gear endless-screw type grounding interlocking mechanism in switch cabinet |
| 09/10/2008 | CN201112249Y Four-connecting rod device of isolating switch main knife |
| 09/10/2008 | CN201112248Y Connecting terminal of high-voltage isolating switch |
| 09/10/2008 | CN201112247Y Double-column V-shaped outdoor three-phase AC high-voltage isolating switch for external pressure type sensing finger structure |
| 09/10/2008 | CN201112246Y External pressure type sensing finger structure of outdoor high-voltage electrical apparatus ground switch |
| 09/10/2008 | CN201112245Y Sliding bar telescopic electropositive potential isolating switch |
| 09/10/2008 | CN201112244Y Electric grounding switch |
| 09/10/2008 | CN201112243Y Direct-action type isolating switch |
| 09/10/2008 | CN201112169Y Arc striking, guiding, locating and stabilizing device of isolating switch |
| 09/10/2008 | CN201112166Y Switch on-off brake switch mechanical caging device of high voltage electric appliance master control cabinet |
| 09/03/2008 | CN201111302Y Full contact high-voltage segregate switch contact component |
| 09/03/2008 | CN101258574A Vacuum switch tube |
| 08/28/2008 | US20080202909 Remote controlled wall switch actuator |
| 08/20/2008 | CN201104318Y Double-column II type outdoor three-phase AC high-voltage isolating switch with self-operated sensing finger structure |
| 08/20/2008 | CN101248503A Contact assembly comprising a limiting element that restricts the deflection of the displaceable contact part |
| 08/20/2008 | CN101246783A Intelligent locking method of outdoor looped network cabinet wire spacing ground switch |
| 08/13/2008 | CN101241817A An indoor high-voltage rotary separation switch |
| 08/12/2008 | US7412344 System for synchronously controlling the testing of pluralities of devices and the method of the same |
| 08/12/2008 | CA2483708C Make-before-break selector switch |
| 08/07/2008 | DE202005021532U1 Elektrische Schaltvorrichtung The electrical switching apparatus |
| 07/31/2008 | DE102007003169A1 Verfahren zum Erkennen der Schaltererstellung eines Trennschalters oder eines Erdungsschalters A method of detecting the creation of a switch disconnector or a grounding switch |
| 07/24/2008 | DE102007003132A1 Switching arrangement, has contact pieces, which are movable by drive device and contact pieces are rinsed by electric insulating fluid and are surrounded by fluid-seal encapsulation casing |
| 07/23/2008 | EP1946348A1 Ground disconnect switch and method for making same |
| 07/23/2008 | CN201091028Y Self force type finger sensing structure of outdoor high-voltage electric appliance ground switch |
| 07/23/2008 | CN101226844A Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| 07/23/2008 | CN100405512C Operation devcie for three-position opener |
| 07/17/2008 | US20080169824 Arc fault and ground fault circuit interrupter tester apparatus and method |
| 07/16/2008 | CN201087893Y GW45-800KV isolating switch |
| 07/16/2008 | CN201087892Y Isolating switch of switching wire |
| 07/09/2008 | CN201084634Y An integrated solid-sealed vacuum breaker |
| 07/09/2008 | CN201084630Y A composite high-pressure switch and knife-switch overhauling desk |
| 07/09/2008 | CN201084629Y An interlocking signal device of isolation switch and breaker |
| 07/09/2008 | CN201084628Y A grounding switch self-locking mechanism |
| 07/09/2008 | CN201084627Y A high-pressure isolation switch contact assembly |
| 07/09/2008 | CN201084626Y An ultra-high pressure GIS-purpose isolation switch |
| 07/09/2008 | CN201084575Y A high-pressure combined-type fall switch on outdoor posts |
| 07/09/2008 | CN100401437C Insulated operating rod |
| 07/03/2008 | DE20023977U1 Leistungsschaltereinrichtung mit Sammelschienenanschluessen und Abzweigleitungen Circuit breaker device with Sammelschienenanschluessen and branch lines |
| 06/26/2008 | DE102006061961A1 High-voltage switchgear assembly, has circuit breaker poles superimposedly arranged in vertical plane in horizontal running manner, and components such as disconnecting-earthing switch, arranged in spaces beneath poles |
| 06/25/2008 | CN101206963A ''5-prevention'' intelligent unlocking and non-intermittence maintenance system of distribution system |
| 06/18/2008 | CN201075352Y Operation mechanism for isolation switch |
| 06/17/2008 | CA2328421C Housing for fused switch |
| 06/11/2008 | CN201072713Y Voice reminding device for preventing misoperation of high-tension switch cabinet |
| 06/10/2008 | US7385519 Apparatus and method for operability and live-dead-live testing |
| 06/05/2008 | US20080129315 Detecting apparatus |
| 06/05/2008 | DE19704933B4 Masttrennschalter Pole isolating switch |
| 06/04/2008 | EP1928065A1 Medium voltage gas-insulated switch-disconnector. |
| 06/04/2008 | EP1306867B1 Improvements made to fuse-holder bases |
| 06/04/2008 | CN201069735Y Interlocking machine for high voltage separation switch and vacuum contactor and high-voltage case door |
| 06/04/2008 | CN101194330A An electric switch having an annular stationary contact |
| 06/04/2008 | CN101192481A Earthing switch |
| 05/28/2008 | EP1925007A1 Vacuum interrupter |
| 05/28/2008 | EP1741111A4 Compliant electrical contact assembly |
| 05/28/2008 | CN201066647Y High-voltage separation switch for electric dust catcher |
| 05/27/2008 | CA2451169C Mounting bracket for an insulator assembly |
| 05/15/2008 | US20080110738 Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| 05/14/2008 | EP1921645A2 Base unit with connecting bar |
| 05/14/2008 | CN201060785Y Mine anti-explosive switch dual-door locking device |
| 05/14/2008 | CN201060784Y Isolating switch of coal shearer |
| 05/14/2008 | CN201060783Y Supervoltage AC 1100kV isolating switch |
| 05/14/2008 | CN101178989A Longitudinal rotary type function composite type vacuum isolation circuit breakers |
| 05/13/2008 | US7372355 Remote controlled wall switch actuator |
| 05/10/2008 | CA2610007A1 Three-pole apparatus for a medium or high voltage cubicle and associated cubicle comprising such a three-pole apparatus |
| 05/07/2008 | EP1917670A1 Contact assembly comprising a limiting element that restricts the deflection of the displaceable contact part |
| 05/07/2008 | EP1360709B1 Switching contact arrangement |
| 05/07/2008 | CN201057622Y Isolating/grounding switch of totally enclosed combined electrical apparatus |
| 05/07/2008 | CN101174516A State monitoring device for circuit breaker |
| 05/07/2008 | CN101174515A High-voltage grounding isolating switch |
| 05/07/2008 | CN100386932C Switching installation provided with an electrically insulating barrier |
| 04/30/2008 | CN201054311Y A key interlocking device for gas insulation switch device |
| 04/30/2008 | CN100385589C Electric operating mechanism |
| 04/24/2008 | US20080093204 Disconnector for a very high voltage electrical substation |
| 04/24/2008 | DE102006049812A1 Sicherungslasttrennschalter und Verriegelungseinrichtung für einen Sicherungslasttrennschalter Fuse switch disconnector and locking device for a fuse switch disconnectors |
| 04/23/2008 | EP1914780A2 Safety circuit breaker and locking device for a safety circuit breaker |
| 04/23/2008 | CN201051464Y Principle axis and ground rotating axis interlock machine for insulation switch |
| 04/23/2008 | CN100383905C Outdoor high-voltage separating switch |
| 04/16/2008 | CN201048104Y 1100kV extra-high voltage ground switch |