| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 04/12/2006 | CN1251263C Operating method for monitoring device for cut-off/close of operation unit |
| 04/12/2006 | CN1251262C Electric arc preventing method and transitional quencher with the same method |
| 04/11/2006 | US7027280 Gas insulating apparatus and method for locating fault point thereof |
| 04/11/2006 | US7026728 System for supplying electrical power to a load by a transmission path which has been split into two parts |
| 04/06/2006 | WO2006016932B1 Arc-extinguishing composition and articles manufactured therefrom |
| 04/06/2006 | US20060070862 Front or side controlled electrical shutoff apparatus |
| 04/06/2006 | DE102004048836A1 Schaltkontaktanordnung für einen elektrischen Schalter und elektrischer Schalter mit einer Schaltkontaktanordnung Switching contact arrangement for an electrical switch and electrical switch with a switch contact arrangement |
| 04/05/2006 | CN2770071Y Arc-resistant member and vacuum switch contact |
| 04/05/2006 | CN2770070Y Arc-tight member structure and vacuum switch contact |
| 04/05/2006 | CN2770069Y Mechanical locking for looped network cabinet incoming line knife gate and outlet box vacuum loading switch |
| 04/05/2006 | CN1249756C Contact arrangement for vacuum switch tube |
| 04/05/2006 | CN1249755C High voltage switch device with moving bridge contacts |
| 04/05/2006 | CN1249747C Hydraulic operation device for switching device |
| 04/04/2006 | US7022923 Locking device for withdrawable circuit-breakers |
| 04/04/2006 | US7022922 Power switch with a mobile contact element and extinction gas flow that move in an axial direction when activated |
| 03/30/2006 | WO2006032618A1 Pressure-sensitive elastomer layer in circuit-breaker poles insulated by solid material |
| 03/30/2006 | WO2006032522A1 Method for producing an arc-erosion resistant coating and corresponding shield for vacuum arcing chambers |
| 03/30/2006 | DE102004047276A1 Selbsthaftende Elastomerschicht in feststoffisolierten Schalterpolen Self-adhesive elastomer layer in solid-insulated switch poles |
| 03/30/2006 | DE102004047260A1 Isolierstoffgehäuse mit Belüftungsschacht Insulated with ventilation shaft |
| 03/30/2006 | CA2581435A1 Self-adhesive elastomer layer in circuit-breaker poles insulated by solid material |
| 03/29/2006 | EP1641011A1 Current limiter for limiting short circuit currents |
| 03/29/2006 | CN1754241A Linear magnetic drive |
| 03/29/2006 | CN1753123A Small size spring operating mechanism for vacuum circuit breaker |
| 03/29/2006 | CN1248270C Improved load disconnect switch |
| 03/29/2006 | CN1248253C Method and apparatus for operating switch with a connectable currunt limiter |
| 03/29/2006 | CN1248252C Interlocking device of open-close device |
| 03/29/2006 | CN1248251C Mechanically interlocking device for coordinating operation of circuit protectors and with overregulation compensation |
| 03/28/2006 | US7019228 Method for controlling a displaceable electrical switching module |
| 03/23/2006 | WO2006031449A2 Circuit interrupting device with a turnbuckle and weld break assembly |
| 03/23/2006 | US20060061217 Switch circuit |
| 03/22/2006 | EP1535295B1 Vacuum arc interrupter having a bullet assembly actuated by a gas generating device |
| 03/21/2006 | US7015410 Drive device for a switching tube with a fixed and movable contact part |
| 03/16/2006 | DE102004036113A1 Löschblech für eine Lichtbogen-Löschkammer Splitter for an arc extinguishing chamber |
| 03/16/2006 | DE102004006609B4 Vakuumschalter mit Schirmung Vacuum switch with shielding |
| 03/15/2006 | CN1748277A Electric contact arrangement |
| 03/15/2006 | CN1747095A Interlocking device of inductive switching apparatus |
| 03/15/2006 | CN1747094A Double-speed segmented contact of ultrahigh voltage |
| 03/15/2006 | CN1245726C Solenoid operator |
| 03/09/2006 | US20060049901 Electromagnetic actuator |
| 03/09/2006 | US20060049145 Terminal assembly for vented circuit breaker and circuit breaker incorporating same |
| 03/09/2006 | US20060049144 Switch and disconnector apparatus for electric substations |
| 03/08/2006 | EP1632969A2 Switch and disconnector apparatus for electric substations |
| 03/08/2006 | EP1631977A1 Rocker unit for moving a displaceable contact of a switching device |
| 03/08/2006 | CN2763959Y Semi-closed discharge switch |
| 03/08/2006 | CN1745442A Method and device for determining the remaining service life of a switchgear |
| 03/08/2006 | CN1743477A Preparation of copper-chromium alloy contact material by aluminothermal reduction-electromagnetic casting process |
| 03/07/2006 | US7010436 Method and device for prediction of a zero-crossing alternating current |
| 03/07/2006 | US7009132 Terminal assembly for vented circuit breaker and circuit breaker incorporating same |
| 03/07/2006 | US7009130 Switching device |
| 03/02/2006 | WO2006022798A2 Method and apparatus for determining electrical contact wear |
| 03/02/2006 | WO2006021109A1 Arcing chamber and heavy-duty circuit breaker |
| 03/02/2006 | WO2006021107A1 Heavy-duty circuit breaker having reversed movement |
| 03/02/2006 | DE102004042310A1 Hochspannungsschalteranordnung High voltage switch assembly |
| 03/01/2006 | EP1630841A1 Switching-chamber and high-power circuit-breaker |
| 03/01/2006 | EP1630840A1 Heavy-duty circuit-breaker with reversal of the movement |
| 03/01/2006 | EP1629580A2 Switch assembly |
| 03/01/2006 | EP1172833B1 Electromagnetic repulsion driven swich |
| 03/01/2006 | CN2762321Y Vacuum switching tube |
| 03/01/2006 | CN2762320Y Discharge switch |
| 03/01/2006 | CN2762319Y Spring operation mechanism |
| 03/01/2006 | CN2762318Y Closed discharge switch |
| 03/01/2006 | CN1244259C Method of producing ceramic element for bonding, ceramic element for bonding, vacuum switch and vacuum container |
| 02/23/2006 | US20060037944 Vacuum insulated switchgear |
| 02/23/2006 | US20060037846 Device for fixing a power circuit breaker in an insertion rack |
| 02/22/2006 | EP1628315A2 Vacuum insulated switchgear |
| 02/22/2006 | CN1737972A AC vacuum contactor |
| 02/22/2006 | CN1737970A Circuit interrupter including linear actuator and manual pivot member |
| 02/22/2006 | CN1737969A Single-phase module of vacuum switchgear and vacuum switchgear |
| 02/22/2006 | CN1737966A Magnetic actuator |
| 02/16/2006 | WO2006016932A1 Arc-extinguishing composition and articles manufactured therefrom |
| 02/16/2006 | US20060034037 Switching installation provided with an electrically insulating barrier |
| 02/16/2006 | DE102004013922B4 Arc extinguishing sheet metal member for switching equipment, especially contactor, insertable in longitudinal direction of its expansion into holder of groove of arc extinguishing device, with sheet metal member bent over its expansion |
| 02/15/2006 | EP1626425A1 Circuit interrupter including linear actuator and manual pivot member |
| 02/15/2006 | EP1626268A2 Method and apparatus for detecting wear in components of high voltage electrical equipment |
| 02/15/2006 | CN2758961Y Adjustable discharge switch |
| 02/15/2006 | CN2758960Y Box-shaped discharge switch |
| 02/15/2006 | CN1734694A Hydraulic operation device |
| 02/15/2006 | CN1242534C 磁性直线驱动器 Magnetic linear actuator |
| 02/15/2006 | CN1242525C Device for earthing switching device arranged in module frame in displaceable manner |
| 02/14/2006 | US6998549 Interlock assembly and safety switch employing the same |
| 02/13/2006 | CA2515618A1 Method and apparatus for detecting wear in components of high voltage electrical equipment |
| 02/09/2006 | DE102004006476B4 Lasttrennschalter Switch disconnectors |
| 02/09/2006 | DE102004006473B4 Lastschalter Circuit Breakers |
| 02/08/2006 | EP1623440A1 Electromagnetic actuator |
| 02/08/2006 | EP1222472B1 Partial discharge monitoring system for transformers |
| 02/08/2006 | CN1241308C Method and system for diagnosing partial discharging in gas insulator |
| 02/08/2006 | CN1241224C Connection area between housing parts of vacuum interrupter, and vacuum interrupter having connection area of this type |
| 02/07/2006 | US6995330 Earthing switch |
| 02/01/2006 | CN2755765Y Airflow control ring of high-voltage breaker arc chute chamber |
| 02/01/2006 | CN2755758Y On-off position indicator |
| 02/01/2006 | CN1729548A Electromagnetic actuator |
| 02/01/2006 | CN1728312A High voltage large capcity breaker |
| 02/01/2006 | CN1728308A Solenoid operator and solenoid-operated switching device and control device for electromagnet |
| 02/01/2006 | CN1728307A Solenoid operator and solenoid-operated switching device and control device for electromagnet |
| 02/01/2006 | CN1728296A Solenoid operator and solenoid-operated switching device and control device for electromagnet |
| 02/01/2006 | CN1240168C Switch device and receptive adaptive device using said switch equipment |
| 01/26/2006 | US20060016787 Axial magnetic field vacuum fault interrupter |
| 01/25/2006 | EP1619708A2 Electromagnetic operation device |
| 01/25/2006 | EP1619707A1 A medium voltage vacuum contactor |
| 01/25/2006 | EP1618577A1 Vacuum circuit breaker |