| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/15/2010 | US20100089738 Hydromechanical stored-energy spring mechanism |
| 04/15/2010 | DE102009043615A1 Kontaktstruktur eines Vakuumventils sowie Verfahren zu deren Herstellung Contact structure of a vacuum valve as well as processes for their preparation |
| 04/15/2010 | DE102008047281A1 Leistungsschalteinrichtung Power switching device |
| 04/15/2010 | DE102008026799B4 Vakuumschaltröhre Vacuum interrupter |
| 04/14/2010 | EP2175467A2 Hydro-mechanical spring-operated storage drive |
| 04/14/2010 | CN201438438U 真空断路器 Vacuum Circuit Breaker |
| 04/14/2010 | CN101086931B Face contact sliding four-pole drive disk spring energy storage operation mechanism |
| 04/14/2010 | CN101052746B Corresponding shield parts for manufacturing fire-proof and anti-corrosion coating and for vacuum switch-box |
| 04/08/2010 | WO2010037614A1 Vacuum switching tube |
| 04/08/2010 | DE102008050674A1 Hydromechanischer Federspeicherantrieb Hydromechanical spring operating mechanism |
| 04/08/2010 | DE102008031468B3 Lasttrennschalter mit einer Lichtbogenlöscheinrichtung Switch disconnectors with arc quenching device |
| 04/07/2010 | EP2172956A2 A mechanism for the synchronized operation of closing and opening of a switching device and a selector device in a switchgear. |
| 04/07/2010 | EP1943657B1 Interrupting chamber with double compression chamber |
| 04/06/2010 | US7692336 Method for predicting a future voltage and/or current curve |
| 04/06/2010 | US7692113 Switch assembly |
| 04/01/2010 | WO2010035778A1 Transformer inrush current suppression device |
| 04/01/2010 | WO2010034620A1 Switching device arrangement having an encapsulating housing and a sensor |
| 03/31/2010 | EP2168133A1 Transformer arrangement of a metal-encapsulated, gas-insulated switchgear, and corresponding switchgear |
| 03/31/2010 | CN201435345Y Integrated shell of vacuum arc extinguish chamber |
| 03/31/2010 | CN201435344Y Novel ceramic shell of vacuum arc extinguish chamber |
| 03/31/2010 | CN201435343Y Shell of vacuum arc extinguish chamber |
| 03/31/2010 | CN201435342Y 2*55 kV solid-sealed type vacuum circuit breaker of electrified railway |
| 03/31/2010 | CN201435341Y Vacuum circuit breaker and embedded pole thereof |
| 03/31/2010 | CN201435340Y Circuit breaker transmission device |
| 03/25/2010 | WO2010031290A1 Epoxy resin casted solid insulation switch with double isolators |
| 03/25/2010 | WO2010031289A1 Epoxy resin casted solid insulation switch with three chambers |
| 03/25/2010 | US20100072175 Electrical switching device having a contact piece which can move along a movement axis |
| 03/25/2010 | US20100072174 Circuit breaker with improved arc quenching |
| 03/25/2010 | DE102008031473B3 Vakuumschaltröhre Vacuum interrupter |
| 03/24/2010 | CN201430104Y Circuit breaker insulating pull rod |
| 03/24/2010 | CN101677178A Epoxy pouring solid insulation switch with double-isolation |
| 03/24/2010 | CN101677177A Epoxy pouring type solid insulation switch with three-cabin |
| 03/24/2010 | CN101677176A Integrated prepackage type transformer station |
| 03/24/2010 | CN100595854C Switchgear apparatus |
| 03/23/2010 | US7683287 Multiple arc chamber assemblies for a fault interrupter and load break switch |
| 03/23/2010 | US7683286 Switchgear |
| 03/17/2010 | CN201425917Y Vacuum fixed sealing switch |
| 03/17/2010 | CN201425916Y Longitudinal magnetic field arc failure device and gaseous insulation load switch |
| 03/17/2010 | CN101675491A Switching device having a vacuum interrupter chamber |
| 03/17/2010 | CN100594569C Polyphase switching device comprising at least three similarinterrupter units |
| 03/16/2010 | US7679023 Switchgear |
| 03/16/2010 | US7679022 Vacuum insulated switchgear |
| 03/16/2010 | US7679021 Switching device |
| 03/11/2010 | WO2010026048A1 Camshaft drive for a vacuum switching tube and switching device |
| 03/11/2010 | US20100059480 Vacuum circuit breaker |
| 03/11/2010 | US20100059479 Power Switch, Especially High Current Switch |
| 03/10/2010 | EP2161730A1 Device for controlling the opening and/or closing of the contacts in an electrical device |
| 03/10/2010 | EP2161729A2 Vaccum circuit breaker |
| 03/10/2010 | CN201421952Y Low voltage segmentation load transfer device of power system |
| 03/10/2010 | CN201421802Y Gas insulation arc-extinguishing chamber |
| 03/10/2010 | CN201421801Y Contact terminal of vacuum arc-extinguishing chamber |
| 03/10/2010 | CN201421800Y Running-in machine of control mechanism of vacuum circuit breaker |
| 03/10/2010 | CN201421799Y Vacuum arc-extinguishing chamber |
| 03/10/2010 | CN201421798Y Contact terminal structure of low-voltage vacuum arc-extinguishing chamber |
| 03/10/2010 | CN201421785Y Static-end contact arm of vacuum arc extinguish chamber |
| 03/10/2010 | CN201421784Y Operating mechanism of high-voltage load switch |
| 03/10/2010 | CN101669181A Buffer type gas isolator |
| 03/10/2010 | CN101667506A Vaccum circuit breaker |
| 03/10/2010 | CN101667505A Heavy-current phase control closing device |
| 03/10/2010 | CN101667504A High voltage circuit breaker |
| 03/09/2010 | US7674996 Gassing insulator, and arc chute assembly and electrical switching apparatus employing the same |
| 03/04/2010 | WO2010023830A1 Gas-insulated device |
| 03/04/2010 | WO2010023095A1 High-voltage power switch with a switch gap |
| 03/04/2010 | DE102008041725A1 Schaltung, Schaltvorrichtung und Verfahren zum stromlosen Schalten eines Leistungsstromkreises einer Schaltung Circuit switching device and method for electroless plating of a switching power circuit of a circuit |
| 03/04/2010 | DE102008039813A1 Hochspannungs-Leistungsschalter mit einer Schaltstrecke A high voltage power switch with a switching path |
| 03/03/2010 | EP2159811A1 High voltage circuit breaker |
| 03/03/2010 | EP2158649A1 Vacuum interrupter |
| 03/03/2010 | CN201417896Y Handcart-type 126KV composite apparatus |
| 03/03/2010 | CN201417709Y Adjustable-type brake-separation spring structure of circuit breaker |
| 03/03/2010 | CN201417708Y Circuit breaker case |
| 03/03/2010 | CN201417707Y Pole mounted switch |
| 03/03/2010 | CN201417706Y Single-phase operation circuit breaker of 145kV box separation composite electrical appliance |
| 03/03/2010 | CN201417705Y 252kV outdoor high voltage circuit breaker |
| 03/03/2010 | CN201417684Y Novel electromagnetic type operating mechanism for high-voltage switchgear |
| 03/03/2010 | CN201417683Y Control circuit of bistable permanent magnetic actuator |
| 03/03/2010 | CN201417682Y Closing magnet master part |
| 03/03/2010 | CN101663723A Method for securing a getter for a vacuum switching tube and vacuum switching tube |
| 03/03/2010 | CN101661850A Protector for preventing interception over-voltage and arc reignition over-voltage of vacuum circuit breaker |
| 03/03/2010 | CN101661849A Circuit arrangement, switch device, and method for currentless switching of a power circuit of a circuit arrangement |
| 02/25/2010 | US20100044346 High-voltage switch with cooling |
| 02/24/2010 | EP2157594A1 Vacuum envelope including self-aligning end shield, vacuum interrupter, vacuum circuit interrupter and method including the same |
| 02/24/2010 | EP2157593A1 Vacuum switch |
| 02/24/2010 | EP2156454A1 Switching pole for a high-voltage network |
| 02/24/2010 | CN201413797Y 真空断路器 Vacuum Circuit Breaker |
| 02/24/2010 | CN201413796Y Floor mounting type for main circuit of vacuum circuit breaker |
| 02/24/2010 | CN201413795Y Under carriage for 24kV vacuum circuit breaker |
| 02/24/2010 | CN201413776Y Insulated tension pole for 24kV circuit breaker |
| 02/24/2010 | CN101656167A Spring actuating mechanism of vacuum circuit-breaker |
| 02/24/2010 | CN101656166A Modular vacuum contactor |
| 02/24/2010 | CN101656165A Gas circuit breaker |
| 02/18/2010 | WO2010018035A1 High-voltage isolator with field control element |
| 02/18/2010 | WO2010018030A1 Hybrid electromagnetic actuator with fixed coil |
| 02/18/2010 | US20100038343 Vacuum switch |
| 02/18/2010 | DE102008037112A1 Vakuumschaltröhre Vacuum interrupter |
| 02/18/2010 | DE102008018174B4 Elektrisches Schaltgerät Electrical switching apparatus |
| 02/17/2010 | EP2154700A1 High voltage isolator with field control element |
| 02/17/2010 | EP2153452A1 Switching device having a vacuum interrupter chamber |
| 02/17/2010 | CN201408707Y Actuating mechanism of indoor high-voltage vacuum circuit breaker |
| 02/17/2010 | CN201408706Y Energy storing structure of indoor high voltage alternating current vacuum circuit breaker |
| 02/17/2010 | CN201408705Y Brake closing structure of indoor high voltage alternating current vacuum circuit breaker |