| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 10/15/1997 | EP0801410A2 Electrical installation switchgear |
| 10/15/1997 | EP0801407A2 Single or multiphase vacuum switch |
| 10/15/1997 | EP0801406A1 Control device with rectilinear springs for high voltage circuitbreaker |
| 10/15/1997 | EP0800702A1 Process and circuit arrangement for a commutation and turning-off system of a quick make-and-break |
| 10/15/1997 | CN1162186A Circuit-breaker operating mechanism with locking device capable of tripping when short circuit |
| 10/08/1997 | EP0800195A2 Switchgear |
| 10/08/1997 | EP0800191A2 Circuit breaker |
| 10/08/1997 | EP0800190A1 Power switch |
| 10/08/1997 | CN1161265A Welding material for welding vacuum gas sealing container, vacuum gas sealing container and mfg. method therefor |
| 10/07/1997 | CA2034846C Switch apparatus and method for assembly |
| 10/02/1997 | DE19613750A1 Medium voltage switchgear section with rotary circuit breaker |
| 10/02/1997 | DE19612849A1 Medium voltage switching device |
| 10/02/1997 | DE19612273C1 Switch contact-pair for medium and high voltage load disconnecting switch of overhead lines, transformers. HV motors and capacitors etc |
| 10/02/1997 | DE19612143A1 Manufacturing helical contact member for vacuum switch |
| 10/01/1997 | CN2263824Y Synthetic insulation pull rod |
| 10/01/1997 | CN1160922A Gas circuit breaker |
| 10/01/1997 | CN1160921A Electronic electromagnetic air-generating arc-extinguishing switch |
| 10/01/1997 | CN1160920A High-voltage breaker with closed resistance |
| 09/25/1997 | DE19613030A1 HV circuit-breaker design |
| 09/24/1997 | EP0797228A2 High voltage power circuit breaker |
| 09/24/1997 | EP0797226A1 Operating mechanism for high tension circuit breaker |
| 09/24/1997 | EP0796502A1 Metal-clad switchgear with a vacuum switching device |
| 09/24/1997 | CN1160278A Detachable built-in electromagnet driven type vacuum switch |
| 09/23/1997 | US5670767 Gas-insulated switchgear with improved insulation joint |
| 09/17/1997 | EP0795883A1 Circuit breaker with reduced self compression |
| 09/17/1997 | EP0795219A1 Electric switching device |
| 09/17/1997 | CN2262750Y Vacuum switching tube |
| 09/16/1997 | US5668691 Arrangement for gas circuit breaker with reactor and capacitor connected in series and method for setting its circuit parameter |
| 09/16/1997 | US5668361 Vacuum-type circuit breaker with connection terminals |
| 09/16/1997 | US5668360 Circuit-breaker having two interrupting chambers per pole with drive mechanism and drive rods isolating insert capacitors |
| 09/16/1997 | US5667060 Diaphragm seal for a high voltage switch environment |
| 09/11/1997 | DE19608765A1 Electrical load isolating switch |
| 09/10/1997 | EP0794545A1 Vacuum switch or circuit breaker |
| 09/09/1997 | US5666257 DC circuit breaking spark suppressor circuit device |
| 09/04/1997 | WO1997032326A1 Arc-resistant enclosure employing arc-quenching contact disconnect |
| 09/04/1997 | WO1997032323A1 Power switch with a spring energy store |
| 09/04/1997 | DE19609407A1 Leistungsschalter mit einem Federspeicher Circuit breaker having a spring energy store |
| 09/03/1997 | CN2261670Y Iron core multi-electrode vertical magnet contactor for vacuum arc eliminator |
| 09/03/1997 | CN1158517A Pseudospark switch |
| 09/03/1997 | CN1158486A Diaphragm seal for high voltage switch environment |
| 09/02/1997 | US5663544 Switching device having a vacuum circuit-breaker shunt connected with a gas-blast circuit breaker |
| 08/28/1997 | WO1997031414A1 Method and arrangement for low-pressure locking of a gas-filled device |
| 08/28/1997 | WO1997031413A1 High-voltage outdoor switch |
| 08/28/1997 | DE19622753C1 Cross gas blast switch nozzle for electrical high tension switch |
| 08/28/1997 | DE19608285A1 Hochspannungsfreiluftschalter High voltage outdoor switch |
| 08/27/1997 | CN2261081Y Indoor hand-cart type high-voltage circuit breaker |
| 08/26/1997 | US5661282 Gas insulated circuit breaker |
| 08/26/1997 | US5661281 Vacuum-type interrupter having an annular insulator |
| 08/26/1997 | US5661280 Combination of a gas-filled interrupter and oil-filled transformer |
| 08/21/1997 | DE19606217A1 Electrical switch insulated shaft with fitting |
| 08/21/1997 | DE19606215A1 Medium voltage switchgear circuit breaker switch shaft |
| 08/20/1997 | EP0790629A1 Vacuum valve |
| 08/20/1997 | EP0789928A1 High-voltage circuit breaker with automatic arc extinction |
| 08/20/1997 | EP0789926A1 Device for mutually locking the actuation of at least two power switches |
| 08/20/1997 | EP0789925A1 Power switch mutually locking arrangement |
| 08/20/1997 | EP0789924A1 Evaluation apparatus for a power switch mutually locking system |
| 08/20/1997 | CN1157467A Contact material for vacuum interrupter and method for producing the same |
| 08/20/1997 | CN1035703C Switch having vacuum interrupter |
| 08/13/1997 | EP0789380A1 Operating mechanism for a circuit breaker with a latch disengageable by a short circuit |
| 08/13/1997 | EP0789375A2 Gas insulated interrupter |
| 08/13/1997 | EP0789374A1 Remote controlled pressure relief device for the filling gas of a circuit breaker |
| 08/13/1997 | EP0789372A1 Electric current switching apparatus with arc extinguishing mechanism |
| 08/13/1997 | CN1157053A Electric switching devices with blow-out channels for arc gases |
| 08/13/1997 | CN1156892A Switch actuator |
| 08/13/1997 | CN1156891A High voltage switches |
| 08/08/1997 | CA2197004A1 Electric current switching apparatus with arc extinguishing mechanism |
| 08/06/1997 | EP0788126A1 Switch for high-voltage electric current |
| 08/06/1997 | EP0788125A1 HV circuit breaker with closing resistor |
| 08/05/1997 | US5654532 Moving interrupter gap shield |
| 07/31/1997 | DE19602912A1 Drive for movable contact of electric switch esp. vacuum switch |
| 07/30/1997 | CN1155745A Actuating mechanism of circuit breaker |
| 07/30/1997 | CN1155744A Fluid pressure drive device for circuit breaker and circuit breaker using the same |
| 07/24/1997 | DE19603158A1 HV vacuum switch with vacuum switching chamber |
| 07/24/1997 | DE19603157A1 HV vacuum switch with vacuum switching chamber |
| 07/24/1997 | DE19603081A1 HV vacuum switch with vacuum switching chamber space surrounded by e.g. ceramic isolating cylinder |
| 07/24/1997 | DE19601639A1 Release device for HV-, medium-, or LV-switch gear of motor vehicle airbag system |
| 07/23/1997 | EP0785562A1 Circuit breaker having contacts with double movement |
| 07/22/1997 | US5650901 Curcuit breaker and circuit breaking apparatus |
| 07/17/1997 | WO1997025732A1 Open-air high-voltage circuit breaker |
| 07/15/1997 | US5648917 Self-monitoring circuit, especially for electrical equipment, and in particular for a high tension SF6 circuit breaker |
| 07/09/1997 | EP0783173A1 High tension circuit breaker with gas storage chamber |
| 07/09/1997 | EP0782760A1 Vacuum swicht contact arrangement |
| 07/09/1997 | EP0782759A1 Operating device for circuit breakers |
| 07/09/1997 | EP0729637B1 Electrical gas-blast switch |
| 07/09/1997 | CN1154006A Screened medium-voltage substation |
| 07/09/1997 | CN1153989A Gas circuit breaker and liquid pressure-driving system to be used therefor |
| 07/08/1997 | US5646386 Vacuum interrupter |
| 07/03/1997 | WO1997023935A1 'tel' series complex distribution mechanism |
| 07/03/1997 | WO1997023888A1 Load switch for a step switch |
| 07/03/1997 | CA2241136A1 Load switch for a step switch |
| 07/02/1997 | EP0782162A2 High voltage switches |
| 07/02/1997 | EP0782161A2 Switch actuator |
| 07/02/1997 | EP0782160A2 A diaphragm seal for a high voltage switch environment |
| 07/02/1997 | CN2257400Y Sulfur hexafluoride gas circuit breaker |
| 07/01/1997 | US5644117 Medium voltage electrical circuit breaker and switch |
| 06/25/1997 | EP0780941A1 Insulating post with a circuit breaker for high voltage and at least one measuring transformer |
| 06/25/1997 | EP0780868A2 Electrically conductive shield for a vacuum switching device |
| 06/25/1997 | EP0780867A2 Vacuum switching device |
| 06/25/1997 | EP0780859A1 Gas blast switch with brake arrangement on opening |
| 06/25/1997 | CN2257075Y High-voltage vacuum breaker |