| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 09/26/2001 | CN1315048A Actuation and control device for high and medium-voltage circuit breakers |
| 09/26/2001 | CN1315047A Electric railway vehicle and electric powering unit in particular for such a vehicle |
| 09/26/2001 | CN1071927C 开关致动器 Switch actuator |
| 09/26/2001 | CN1071925C 触点材料 Contact Material |
| 09/25/2001 | US6295192 Switchgear |
| 09/25/2001 | US6295191 Switching apparatus |
| 09/25/2001 | US6295190 Circuit breaker arrangement with integrated protection, control and monitoring |
| 09/25/2001 | US6295188 Method of closing a circuit breaker synchronously |
| 09/20/2001 | WO2001069624A1 Filter bag |
| 09/20/2001 | WO2001018832A3 Clutch assembly for electrical switching apparatus with large compression close spring |
| 09/20/2001 | DE10022185A1 Auslöser für eine gekapselte Schaltanlage Trigger for an enclosed switchgear |
| 09/20/2001 | DE10013232A1 Outdoor multiphase encapsulated gas-insulated high-voltage (HV) switching equipment |
| 09/19/2001 | EP1134766A2 Gas-insulated switchgear with at least one circuit breaker |
| 09/19/2001 | CN1071483C Puffer circuit-breaker having a penumatically-locked semi-moving piston |
| 09/19/2001 | CN1071482C Stock giving off arc-extinguishing gas, and gasblast circuit breaker comprising such stock |
| 09/19/2001 | CN1071481C Cylindrical coil and contact support for vacuum interrupter |
| 09/19/2001 | CN1071479C 气体绝缘断路器 Gas insulated circuit breakers |
| 09/19/2001 | CN1071478C Operating mechanism for high-voltage circuit breakers |
| 09/18/2001 | US6291911 Electrical switchgear with synchronous control system and actuator |
| 09/18/2001 | US6291786 High-voltage circuit breaker having an interrupter module |
| 09/13/2001 | US20010020834 Motor operator for over-head air break electrical power distribution switches |
| 09/13/2001 | DE10107006A1 Stromkreis-Unterbrecher Circuit breaker |
| 09/13/2001 | DE10011342A1 Permanent magnetic drive for electric switching device has permanent magnet between opposing pole shoes of magnetic yoke and second permanent magnet device for moving armature in switching in direction |
| 09/12/2001 | EP1132929A1 Permanent magnetic drive for an electrical switching device |
| 09/12/2001 | EP1131833A1 Switchgear with switching devices, especially vacuum circuit breakers |
| 09/12/2001 | CN2447928Y Solid insulated vacuum circuit breaker |
| 09/12/2001 | CN2447927Y Device for increasing rated current of vacuum circuit breaker |
| 09/12/2001 | CN1312950A Circuit breaker with live-state information measuring instrument |
| 09/12/2001 | CN1312568A Rotary operation device for switch |
| 09/07/2001 | WO2001065653A1 Gas insulated device and failure rating method |
| 09/07/2001 | WO2001065652A1 Bushing and gas-insulated switch |
| 09/07/2001 | WO2001065581A1 A magnetic actuator |
| 09/06/2001 | DE10006167A1 Power switch used in electrical high voltage networks has a driving linkage arranged so that at the start of the disconnecting process an operating pin remains in a first dead center position until the nominal current path is broken |
| 09/05/2001 | EP1004159A4 A link switch |
| 09/05/2001 | CN2446695Y Oil immersed small box-type converting station with side arranged vacuum switch and built-in lighting arrester |
| 09/05/2001 | CN2446651Y 12KV outdoor a.c vacuum circuit breaker |
| 09/05/2001 | CN2446643Y Single coherence type vacuum loaded tap changer |
| 09/05/2001 | CN1311893A Pole of a circuit breaker with an integrated optical current sensor |
| 09/04/2001 | US6285270 Electromagnetic actuators |
| 09/04/2001 | US6284993 Ball-locked mechanism for inserting a closure resistor |
| 08/30/2001 | US20010017288 Electromagnet and operating mechanism of switch therewith |
| 08/29/2001 | EP1128509A1 Three-position switch with an axially movable switching element |
| 08/29/2001 | EP1128409A2 Electromagnet and switch operating mechanism |
| 08/29/2001 | CN1310852A Arc extinguishing aid |
| 08/29/2001 | CN1310500A Three-position electrical switch with axial mobile switching element |
| 08/29/2001 | CN1310460A Power switch |
| 08/29/2001 | CN1310459A Electric magnet and switch operating mechanism with the same electric magnet |
| 08/28/2001 | US6281460 Load break interrupter having diagonally split case with component mounting elements |
| 08/23/2001 | DE10006427A1 Power switch has transport frame movable on wheels carrying switching mechanism, control part and connecting poles, threaded spindle for moving frame via drive nut, and bearer element |
| 08/23/2001 | DE10002870A1 Vorrichtung zum Begrenzen eines Stromes A device for limiting a current |
| 08/23/2001 | CA2337541A1 Three-position switch with an axially mobile switching element |
| 08/22/2001 | EP1126484A2 Switchgear |
| 08/22/2001 | CN1309812A Electromalgnetic actuator |
| 08/22/2001 | CN1309405A Buffer gas circuit breaker |
| 08/22/2001 | CN1309404A Switching device |
| 08/22/2001 | CN1069993C Circuit breaker having two interrupting chambers per pole |
| 08/21/2001 | CA2212167C Measuring system for enclosed high-voltage switchgear |
| 08/21/2001 | CA2051335C Support arrangement for a rotatable insulator |
| 08/16/2001 | WO2001059795A1 Method for producing an electromagnetic switchgear, e.g. a contactor |
| 08/16/2001 | US20010013465 Electric power source breaker |
| 08/16/2001 | EP1124244A2 Rotary operating mechanism for switchgear |
| 08/16/2001 | EP1124243A2 Circuit breaker |
| 08/16/2001 | EP1124242A1 Vacuum switch and vacuum switch gear |
| 08/16/2001 | EP1124241A1 Vacuum switch gear |
| 08/16/2001 | EP1124240A2 Vacuum switch |
| 08/16/2001 | EP1124237A2 Glazed ceramic article, metal and ceramic assembly having glazed ceramic article and vacuum switch having metal and ceramic assembly |
| 08/16/2001 | EP1123553A1 Switchgear with switching devices arranged in housings |
| 08/16/2001 | DE19953551C1 Schneller strombegrenzender Schalter Fast current limiting switch |
| 08/16/2001 | DE10005461A1 Electromagnetic switching device, such as contactor, esp. vacuum contactor - has marking applied to one indicator element following joining of indicator elements to contacts and mark then applied to other indicator element |
| 08/15/2001 | CN2443482Y Electric apparatus for breaker |
| 08/15/2001 | CN1308355A Vacuum switch device |
| 08/15/2001 | CN1308354A Phase controlling switch device |
| 08/15/2001 | CN1308353A Mixed circuit switch |
| 08/15/2001 | CN1069781C Interlock arrangement for stationary mounted circuit breakers |
| 08/09/2001 | WO2001057979A1 Multi-pole low voltage circuit breaker with one current measuring device per line |
| 08/09/2001 | WO2001057896A1 Circuit breaker |
| 08/08/2001 | EP1121739A1 Gas-insulated switching device |
| 08/08/2001 | CN2442383Y Permanent magnet operated outdoor vacuum breaker |
| 08/08/2001 | CN2442382Y High voltage vacuum arc suppressing room |
| 08/08/2001 | CN2442381Y Improved high voltage arc suppressing room |
| 08/08/2001 | CN2442380Y Large climb gap vacuum arc suppressing room shell |
| 08/08/2001 | CN2442379Y Multifunction sulfur hexafluoride breaker |
| 08/08/2001 | CN1069436C 压力气体开关 Gas pressure switch |
| 08/07/2001 | US6271494 High voltage circuit breaker with two arcing contacts which can be actuated in an opposite direction |
| 08/02/2001 | DE10004833A1 Mehrpoliger Niederspannungs-Leistungsschalter mit einem Stromerfassungsgerät je Pol A multipole low-voltage power switch having a current detecting device per pole |
| 08/01/2001 | EP1120804A1 Vacuum switch and vacuum switchgear using the switch |
| 08/01/2001 | EP1120803A1 Vacuum tube for circuit breaker, having a snap-on guide bearing |
| 08/01/2001 | EP1120386A1 Metallized ceramic member, process for producing the same, vacuum switch, and vacuum vessel |
| 08/01/2001 | CN1306328A Bus connector for enclosed switchboad inflated with insulating gas |
| 08/01/2001 | CN1306290A Through-wall isolated vacuum load switch |
| 08/01/2001 | CN1069147C Drive arrangement for vacuum power circuit breakers |
| 07/31/2001 | US6268579 Vacuum switchgear |
| 07/26/2001 | WO2001054154A1 Contact arc-quenching system for power switchgear |
| 07/26/2001 | WO2001001429A3 Electrical switchgear with synchronous control system and actuator |
| 07/26/2001 | WO2000045487A8 Horizontally positioned, encapsulated high-voltage circuit breaker |
| 07/26/2001 | US20010009199 Device for bus coupling between enclosed switchboards with insulating gas sealed therein |
| 07/26/2001 | DE19957394A1 High-voltage (HV) power circuit-breaker for outdoor installation |
| 07/25/2001 | EP1119086A1 Device for bus coupling between enclosed switchboards with insulating gas sealed therein |
| 07/25/2001 | EP1119011A1 Vacuum switch and vacuum switch gear using the vacuum switch |
| 07/25/2001 | EP1119010A1 Vacuum switch and vacuum switch gear using the vacuum switch |