| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/16/2003 | EP0754346B1 Moving interrupter gap shield |
| 04/15/2003 | CA2264917C Grading ring insert assembly |
| 04/10/2003 | WO2003030188A1 Electromagnetic actuator |
| 04/10/2003 | US20030066743 Contact arrangement for vacuum interrupter and vacuum interrupter using the contact arrangement |
| 04/09/2003 | EP1300377A2 Process for producing ceramic member for bonding, ceramic member for bonding, vacuum switch, and vacuum vessel |
| 04/09/2003 | EP1183699B1 Contact assembly on a preselector |
| 04/09/2003 | CN2544405Y High-efficient arc-extinction ac contactor |
| 04/09/2003 | CN2544404Y Low-voltage permanent magnetic vacuum switch |
| 04/09/2003 | CN2544403Y Low-voltage phase-selective on/off vacuum switch |
| 04/08/2003 | US6545234 Circuit breaker with mechanical interlock |
| 04/03/2003 | WO2003028055A1 Terminal pad for an insulator assembly |
| 04/03/2003 | US20030062778 Capacitor switch with external resistor and insertion whip |
| 04/03/2003 | US20030062340 Hybrid gas insulation switchgear apparatus |
| 04/03/2003 | DE10139624C1 Elektrisches Schaltgerät für Mittel- oder Hochspannung Electrical switching device for medium or high voltage |
| 04/02/2003 | CN2543195Y Outdoor AC vacuum circuit breaker |
| 04/02/2003 | CN2543194Y 真空断路器 Vacuum Circuit Breaker |
| 04/01/2003 | US6541727 Molded case circuit breaker including vacuum switch assembly |
| 04/01/2003 | US6541726 Vacuum cartridge in particular for an electrical protection apparatus such as a switch or a circuit breaker |
| 03/27/2003 | US20030057186 Terminal pad for an insulator assembly |
| 03/26/2003 | EP1295097A2 Internal fault indicator for power electrical devices |
| 03/26/2003 | CN2541941Y Mechanical interlock driving gear of dual power mains automatic commutator |
| 03/26/2003 | CN1405813A Contact for vacuum circuit breaker and vacuum circuit breaker using said contact |
| 03/26/2003 | CN1405812A Contact device for vacuum circuit breaker and vacuum circuit breaker using said contact device |
| 03/26/2003 | CN1405811A Vacuum circuit breaker contact and vacuum circuit breaker using said contact |
| 03/26/2003 | CN1405807A Insulated operating rod |
| 03/25/2003 | US6538347 Electrical switchgear with synchronous control system and actuator |
| 03/25/2003 | US6538223 Electric transfer switch unit |
| 03/20/2003 | WO2003023804A1 Drive device for a switching tube with a fixed and movable contact part |
| 03/20/2003 | WO2003023803A1 A method of avoiding electric arc and a transient arc suppression means with the same |
| 03/19/2003 | EP1294004A1 Contact for vacuum interrupter and vacuum interrupter using the contact |
| 03/19/2003 | EP1294003A1 Contact arrangement for vacuum interrupter and vacuum interrupter using the contact arrangement |
| 03/19/2003 | EP1294002A1 Contact for vacuum interrupter, and vacuum interrupter using same |
| 03/19/2003 | EP1292960A1 Method for opening the contact gap of a vacuum interrupter |
| 03/19/2003 | EP1292959A1 Vacuum interrupter with two contact systems |
| 03/19/2003 | CN2540681Y Vacuum arc-chutes with new-type contact |
| 03/19/2003 | CN2540680Y High-tension sulfur hexafluoride load switch |
| 03/19/2003 | CN2540679Y Transmmission and trip device |
| 03/19/2003 | CN2540678Y Spring energy-storage device |
| 03/19/2003 | CN1404088A Insulating switch apparatus |
| 03/19/2003 | CN1404085A Electric arc preventing method and transitional quencher with the same method |
| 03/19/2003 | CN1403791A Vacuum detecting method and device for electrostatic charge arc extinguishing chamber with shielding cover |
| 03/19/2003 | CN1103489C Switch device of mechanical visible device with three positions |
| 03/18/2003 | US6535366 High-speed current-limiting switch |
| 03/18/2003 | US6535097 Transformer system provided with a decoupling system |
| 03/18/2003 | US6534738 Vacuum switch container, vacuum switch, method for producing vacuum switch container and method for producing vacuum switch |
| 03/18/2003 | US6533161 Vacuum electronics; soldering of a ceramic component to copper; layer of silver is first applied galvanically to copper to form the soldering material; a copper-silver eutectic |
| 03/18/2003 | CA2101214C Two cencentric cut-off chambers circuit breaker |
| 03/12/2003 | EP1290707A1 Vacuum switch tubes |
| 03/12/2003 | CN2540020Y Vacuum arc-extinguishing chamber for circuit breaker |
| 03/12/2003 | CN1402282A Shutter operating device |
| 03/11/2003 | US6531841 Actuation and control device for electric switchgear |
| 03/05/2003 | CN1400617A Vacuum arc-suppressing autdoor silicone rubber layer covering method |
| 03/04/2003 | US6529368 Gas-insulated switchgear |
| 03/04/2003 | US6529009 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 02/27/2003 | WO2003017306A1 Electric switching device for medium or high voltage |
| 02/27/2003 | WO2003017305A1 Switchgear |
| 02/26/2003 | EP1042771B1 Improvements in and relating to electromagnetic actuators |
| 02/26/2003 | CN1399785A Device for controlling closing of power circuit breaker |
| 02/26/2003 | CN1399290A Gas insulated switch |
| 02/25/2003 | CA2064268C Gas-blast circuit breaker |
| 02/20/2003 | US20030034331 Circuit interrupter and operating mechanism therefor |
| 02/20/2003 | US20030034242 Switchgear operating apparatuses |
| 02/19/2003 | EP1284491A1 Switchgear |
| 02/19/2003 | CN1398417A 断路器 Breaker |
| 02/19/2003 | CN1398416A Method for producing electromagnetic switchgear, E.G. Contactor |
| 02/19/2003 | CN1397970A Sintered body and electrode, their surface compacting method, and method of mfg. electrode using such method and breaker |
| 02/18/2003 | US6521855 Hybrid gas insulation switchgear apparatus |
| 02/18/2003 | US6521839 Insulation-operating rod |
| 02/13/2003 | US20030029702 Operating arrangement for mechanism |
| 02/12/2003 | CN1396613A Compression circuit breaker electrode capable of mounting and dismounting and without notable air consumption |
| 02/12/2003 | CN1396612A Operator for switch |
| 02/11/2003 | US6518865 Electric switching device |
| 02/11/2003 | US6518531 Gas-insulated switchgear |
| 02/06/2003 | DE10129747C1 Wärmeisolierung für einen Hochspannungs-Leistungsschalter für tiefe Temperaturen Thermal insulation for high voltage circuit breakers for low temperatures |
| 02/05/2003 | EP1281188A2 Power circuit breaker with air gap between molded insulative casing and grounded barrier insulating operating mechanism |
| 02/05/2003 | EP1281187A2 Power circuit breaker having molded insulative casing with a dead front |
| 02/05/2003 | EP1281186A2 Flexible shunt for electric power switch |
| 02/05/2003 | CN2534666Y Middle drive mechanism for longitudinal circuit breaker |
| 02/05/2003 | CN2534665Y Permanent magnetic pulse electric operating mechanism |
| 02/05/2003 | CN1395755A Multi-pole low voltage circuit breaker with one current measuring device per line |
| 02/05/2003 | CN1395268A Contact of vacuum quenching chamber and its formula |
| 02/04/2003 | US6515248 Gas circuit breaker |
| 02/04/2003 | US6515245 Closing assistance mechanism for an electrical switchgear apparatus and drive mechanism of an electrical switchgear apparatus equipped with such an assistance mechanism |
| 01/30/2003 | WO2003009441A1 Vacuum switch unit and switch gear |
| 01/30/2003 | DE10131235C1 Stromzuführungsvorrichtung für eine zu kühlende elektrische Gerätschaft mit elektrischer Trenneinrichtung sowie Verwendung der Vorrichtung Power supply apparatus for an electric device to be cooled shaft with electrical separation device and use of the device |
| 01/29/2003 | EP1226596B1 Compact-structure three-pole apparatus for electric stations |
| 01/29/2003 | CN1393901A Contact for integrated multi-pole power switch with longitudinal magnetic field |
| 01/29/2003 | CN1393900A Apparatus with combined vacuum and gas interrupting high-voltage circuit beaker |
| 01/23/2003 | US20030015500 Sintered body and electrode, method for surface densitication of these, process for manufacturing electrode by this method and circuit breaker |
| 01/23/2003 | US20030015499 Gas-insulated switch |
| 01/23/2003 | US20030015337 Pressurized gas circuit-breaker pole that can be assembled and disassembled without significant loss of gas |
| 01/23/2003 | DE10131018C1 Power switch for medium voltage network plane, has opening in switch chamber allowing gas to flow into auto-compression gas space during opening of switch contacts |
| 01/23/2003 | DE10118960C1 Isoliergehäuse, insbesondere Gehäuse einer Schaltröhre eines Vakuumschalters, mit einer Halterung zur Positionierung einer Steuerelektrode Insulating housing, in particular a housing of a vacuum interrupter switch, with a holder for positioning a control electrode |
| 01/22/2003 | EP1278222A2 Sintered vacuum circuit breaker contact and method for manufacturing |
| 01/22/2003 | EP1277219A1 Electric circuit breaker, as well as plant, use and method where such is used |
| 01/22/2003 | CN2532575Y Permanent magnetic operation mechanism for high-voltage switch |
| 01/22/2003 | CN1393048A Bushing and gas-insulated switch |
| 01/21/2003 | US6509522 Three-phase integrated gas insulated bus |
| 01/16/2003 | WO2003005394A1 Electrical cutoff and sectioning equipment comprising a vacuum bulb |
| 01/16/2003 | WO2003005393A1 Vacuum interrupter for high short circuit currents |