| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 02/11/2004 | CN1138290C Low voltage power switch with switching axle |
| 02/11/2004 | CN1138289C Drive unit in electric operation mechanism of breaker |
| 02/10/2004 | US6689980 Circuit breaker having hybrid arc extinguishing function |
| 02/10/2004 | US6689968 Circuit breaker with capacitor discharge system |
| 02/05/2004 | US20040020899 Gas-insulated switch |
| 02/05/2004 | US20040020753 Locking device for withdrawable circuit-breakers |
| 02/05/2004 | US20040020685 Solid insulator and method for manufacturing a solid insulator |
| 02/05/2004 | DE10224449B3 Elektrisches Schaltgerät Electrical switching apparatus |
| 02/05/2004 | DE10207892B4 Vakuumschaltröhre mit einem Schaltkontaktstück Vacuum interrupter having a switching contact piece |
| 02/04/2004 | EP1387368A1 Solid insulator and method for manufacturing a solid insulator |
| 02/04/2004 | CN2602477Y High-tension vacuum load isolating switch |
| 02/04/2004 | CN1473383A Device for receiving interrupters of circuit breaker system |
| 02/04/2004 | CN1473381A Vacuum switch unit and switch gear |
| 02/04/2004 | CN1472752A Inserting electric device, especially overvoltage discharger |
| 02/03/2004 | US6687110 Isolating circuit breaker and circuit protection arrangement |
| 02/03/2004 | US6686552 Contact for vacuum interrupter, and vacuum interrupter using same |
| 01/29/2004 | WO2004010448A1 High voltage interrupter |
| 01/29/2004 | US20040016721 High voltage interrupter |
| 01/29/2004 | DE10233841B3 Leistungsschalter mit Antriebsmechanismus und Energiespeicher zur Bereitstellung der Antriebsenergie Circuit breaker with drive mechanism and energy storage to provide the motive power |
| 01/29/2004 | DE10229096A1 Verschleißanzeige für eine Vakuumschaltröhre Wear indicator for a vacuum switch tube |
| 01/29/2004 | DE10229095A1 Abschirmelektrode Shield |
| 01/28/2004 | EP1384242A1 Vacuum circuit breaker with coaxial coil for generating an axial magnetic field in the vicinity of the contact members of the circuit breaker |
| 01/28/2004 | EP1384240A1 Method for operating a switch with a connectable current limiter and corresponding arrangement |
| 01/28/2004 | EP1226597B1 Compressed gas-blast circuit breaker |
| 01/28/2004 | CN1471719A 电路断路器 Circuit breaker |
| 01/28/2004 | CN1136596C Very fast transient overvoltage suppressing method for completely enclosed combined electrical appliance |
| 01/28/2004 | CN1136595C Arcing switch device |
| 01/28/2004 | CN1136594C Multi-pole breaker assembly |
| 01/27/2004 | US6683764 Arc extinguishing aid |
| 01/22/2004 | WO2004008468A1 Electrical contact material and method for making same |
| 01/22/2004 | US20040014868 A gas blast circuit breaker. In accordance with the invention, the material constituting the nozzle comprises (A) 90% to 99.9% by weight of a fluorinated polymer, and (B) 0.1% to 10% by weight of a filler based on at least one oxide selected |
| 01/22/2004 | DE10221580B3 Unterbrechereinheit eines Hochspannungs-Leistungsschalters Interrupter unit of a high voltage circuit breaker |
| 01/21/2004 | EP1383148A1 Vacuum switchgear assembling method |
| 01/21/2004 | EP1383142A1 Electric pluggable device, in particular an over-voltage arrester |
| 01/21/2004 | EP1382097A1 Travelling mechanism for a withdrawable circuit-breaker |
| 01/21/2004 | EP1382049A1 Latching mechanism for locking a spring energy store |
| 01/21/2004 | CN2600909Y Solid seal pole post |
| 01/21/2004 | CN1469405A Vacuum tube for electric protective equipment such as switch or breaker |
| 01/21/2004 | CN1469404A Method for producing vacuum switch device |
| 01/21/2004 | CN1135586C Specification method between internal arc and interruption arc in high or medium voltage breaker |
| 01/21/2004 | CN1135585C Ball locking mechanism for inserting in closed electric resistor |
| 01/21/2004 | CN1135584C Circuit breaker having electric resistance plugging-in system with long plugging time |
| 01/20/2004 | US6680453 Gas insulated switchgear |
| 01/15/2004 | WO2004006275A2 Arc contact element for an electrical apparatus, production method thereof, corresponding contact assembly and electrical apparatus |
| 01/15/2004 | DE10227414B3 Hochspannungs-Leistungsschalter mit einem Aufnahmeraum für aufgeheiztes Löschgas High-voltage circuit breaker having a receiving space for quenching gas heated- |
| 01/15/2004 | CA2491510A1 Arc contact element for an electrical apparatus, production method thereof, corresponding contact assembly and electrical apparatus |
| 01/15/2004 | CA2435216A1 Pluggable electrical apparatus, in particular surge arrester |
| 01/14/2004 | EP1381065A1 Electrical contact material and its method of manufacture |
| 01/14/2004 | EP1381064A1 Vacuum switchgear |
| 01/14/2004 | CN1467771A Vacuum switchgear |
| 01/14/2004 | CN1467766A Gas insulated switching device |
| 01/14/2004 | CN1134806C High voltage mains switch with insulating material switch lever |
| 01/13/2004 | CA2239239C Closing resistance circuit breaker |
| 01/08/2004 | US20040004796 High-voltage or medium-voltage switch device with combined vacuum and gas breaking |
| 01/07/2004 | EP1378040A1 Single phase or polyphase switchgear in an enveloping housing |
| 01/07/2004 | CN2598216Y Intelligent sulfur hexafluoride ring net cabinet |
| 01/07/2004 | CN2598123Y Oil immersed high-voltage current limiting fuse |
| 01/07/2004 | CN2598121Y Outdoor cut-off capacitor set high-voltage sulfur hexa fluoride load switch |
| 01/07/2004 | CN1134036C Switching device |
| 01/06/2004 | US6674349 Opening and/or closing control device, in particular for a switchgear apparatus such as a circuit breaker, and circuit breaker equipped with such a device |
| 01/06/2004 | US6674039 Contact arrangement for a vacuum interrupter |
| 01/06/2004 | US6674027 Operating arrangement for mechanism |
| 01/02/2004 | EP1376809A1 Section of a high voltage installation provided with cooling means |
| 01/02/2004 | EP1376634A1 Vacuum tube for an electrical protection apparatus such as a switch or a circuit breaker |
| 01/02/2004 | EP1376633A1 Switching apparatus |
| 01/02/2004 | EP1374263A1 Switching arrangement for low-voltage circuit breakers |
| 01/01/2004 | US20040000536 Vacuum cartridge for an electrical protection apparatus such as a switch or circuit breaker |
| 12/31/2003 | WO2004001783A1 Screening electrode |
| 12/31/2003 | CN1464519A Non-oxidation zero-flashover current onoff device |
| 12/24/2003 | WO2003107374A1 Shorting switch and system to eliminate arcing faults in power distribution equipment |
| 12/24/2003 | WO2003107371A1 Vacuum arc interrupter having a bullet assembly actuated by a ga s generating device |
| 12/24/2003 | WO2003107370A1 High voltage shielded gear comprising a circuit breaker with closure resistor mounted in a conducting bar |
| 12/24/2003 | WO2003107369A1 Current switching device |
| 12/24/2003 | DE10221363C1 Topfförmiger Schaltkontakt mit Metalldampfabschirmung Pot-shaped switching contact with metal vapor shield |
| 12/24/2003 | CN2594959Y 户外断路器 Outdoor Circuit Breakers |
| 12/24/2003 | CN2594958Y 断路器 Breaker |
| 12/24/2003 | CN1132213C Arc-suppressing switch |
| 12/24/2003 | CN1132212C Contacting materials for vacuum switch |
| 12/24/2003 | CN1132210C Power mains braker |
| 12/24/2003 | CA2489531A1 Shorting switch and system to eliminate arcing faults in power distribution equipment |
| 12/18/2003 | WO2003105172A1 Direct current cutoff switch |
| 12/18/2003 | US20030231452 Vacuum arc interrupter actuated by a gas generated driving force |
| 12/18/2003 | US20030231448 Blade tip for puncturing cupro-nickel seal cup |
| 12/18/2003 | US20030231445 Vacuum arc interrupter having a tapered conducting bullet assembly |
| 12/18/2003 | US20030231439 Bullet assembly for a vacuum arc interrupter |
| 12/18/2003 | US20030231438 Vacuum arc eliminator having a bullet assembly actuated by a gas generating device |
| 12/18/2003 | US20030230553 Vacuum switch |
| 12/17/2003 | EP1372172A1 Gas blast switch |
| 12/17/2003 | CN2593343Y Electric operation mechanism of load switch |
| 12/16/2003 | US6664494 Current collector and gas circuit breaker |
| 12/10/2003 | EP1369888A1 Hybrid circuit breaker for middle or high voltage with vacuum and gas |
| 12/10/2003 | CN2591755Y Composite insulating vacuum breaker |
| 12/10/2003 | CN1461029A Fluid pressure driving device for circuit breaker |
| 12/10/2003 | CN1130738C Contact assembly on preselector |
| 12/09/2003 | US6661235 Method and device for detecting a partial discharge in an electrical device |
| 12/09/2003 | US6660954 Gas-blast circuit-breaker |
| 12/09/2003 | US6659517 Apparatus for transmitting a movement between components |
| 12/09/2003 | CA2193721C High-pressure gas disconnect system with braking device operating on startup |
| 12/05/2003 | CA2430148A1 Cut-off switch for high or medium tension, with dual vacuum and gas cut-off |
| 12/04/2003 | DE10047032C2 Mittelspannungs-Trennermessen-Lasttrennschalter mit Vakuum-Schaltkammern Medium-voltage disconnector measuring load break switch with vacuum interrupters |