| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 07/03/1985 | EP0147036A1 Circuit breaker assembly |
| 07/03/1985 | EP0146790A1 Vacuum housing, in particular a housing for a vacuum circuit breaker |
| 07/03/1985 | EP0146671A1 Compressed gas circuit breaker |
| 07/02/1985 | US4527029 Encapsulated, compressed gas insulated high voltage switchgear |
| 07/02/1985 | US4527028 Modular vacuum interrupter |
| 06/26/1985 | EP0146424A1 Electrical switch with rotating arc |
| 06/26/1985 | EP0145994A2 Medium voltage switching device |
| 06/25/1985 | US4525612 Gas insulated switch |
| 06/19/1985 | EP0144846A2 Sintered moulded part for contact pieces of vacuum interrupters and method for their fabrication |
| 06/18/1985 | US4524338 Ganged circuit breaker arrangement |
| 06/18/1985 | US4524257 High-voltage gas-blast puffer type circuit-breaker |
| 06/11/1985 | CA1188721A1 Circuit breaker |
| 06/05/1985 | EP0143735A1 Contact arrangement for a vacuum switch |
| 06/04/1985 | US4521823 Submersible primary circuit breaker |
| 06/04/1985 | US4521657 Circuit breaker with incorporated current transformer |
| 06/04/1985 | US4521654 High voltage disconnect switch employing pre-contact pieces |
| 06/04/1985 | US4520687 Operating mechanism for a control device |
| 05/28/1985 | CA1187918A1 Unitary end closure and seal shield member for vacuum interrupter |
| 05/22/1985 | EP0142022A1 Device for the interruption of currents |
| 05/21/1985 | US4518837 Electrical switch for induction heating system |
| 05/15/1985 | EP0141708A2 Guiding device for the operating rod of a high-voltage circuit breaker |
| 05/15/1985 | EP0141598A1 Actuator |
| 05/15/1985 | EP0141329A1 Compressed-gas circuit breaker |
| 05/14/1985 | US4517425 Self-flow generating gas interrupter |
| 05/14/1985 | US4516823 Loadbreak bushing and snuffer/contact assembly therefor |
| 05/14/1985 | US4516814 Coupling device |
| 05/14/1985 | US4516472 Hydraulically-operated breaking device |
| 05/07/1985 | US4516100 Mechanical interlock for vertically mounted circuit breakers |
| 05/07/1985 | US4516006 Puffer type gas-blast circuit breaker |
| 05/07/1985 | US4516004 Vacuum switching tube with a helical current path |
| 04/30/1985 | US4514607 Electrical circuit interrupting devices |
| 04/30/1985 | US4514606 Disconnect switch assembly |
| 04/30/1985 | US4514605 Compressed gas circuit breaker |
| 04/24/1985 | EP0138744A2 Method of interrupting a three-phase system in case of short circuit |
| 04/24/1985 | EP0138743A1 Isolating switch for metal-clad pressurized-gas-insulated high-voltage switch gear |
| 04/24/1985 | EP0138478A2 Vacuum-type circuit interrupters |
| 04/23/1985 | US4513208 Electrical switchgear |
| 04/23/1985 | US4513187 High-voltage circuit breaker including cut-on resistor |
| 04/23/1985 | US4513186 Vacuum interrupter contact structure and method of fabrication |
| 04/17/1985 | EP0137350A2 Contact of vacuum interrupter and manufacturing process therefor |
| 04/16/1985 | US4511776 Break chamber for a gas-blast circuit breaker |
| 04/16/1985 | US4511775 Circuit breaker |
| 04/16/1985 | CA1185455A1 Gas density indicator |
| 04/10/1985 | EP0136965A1 Isolating switch for a metal-clad pressurized-gas-insulated high-voltage switchgear |
| 04/09/1985 | US4510441 Electric field detector |
| 04/09/1985 | US4510360 Circuit breaker with arc shield |
| 04/09/1985 | US4510359 Circuit interrupter having improved closing resistor control means |
| 04/09/1985 | US4510356 Liquid metal switch apparatus |
| 04/09/1985 | CA1185349A1 Electromagnetic switchgear |
| 04/03/1985 | EP0136253A1 Driving device for a vacuum switch |
| 04/03/1985 | EP0135789A2 High-voltage isolating switch, in particular a pantograph isolating switch able to make or break currents |
| 04/02/1985 | US4508945 Vacuum switching interrupter with annular member and diametrical contact web |
| 04/02/1985 | CA1184960A1 Dead tank housing for high voltage circuit breaker employing puffer interrupters |
| 03/27/1985 | EP0135424A1 Device for the fast discharge, without an arc, of the capacity of a high tension source |
| 03/27/1985 | EP0135380A2 Loadbreak bushing and snuffer/contact assembly therefor |
| 03/27/1985 | EP0135158A2 Gas-insulated circuit breaker |
| 03/26/1985 | US4507527 Current limiting circuit-breaker having an improved contact arrangement |
| 03/20/1985 | EP0134459A1 Pot-shaped switch contact piece for an electric vacuum interrupter |
| 03/19/1985 | US4506110 High voltage corona shield |
| 03/14/1985 | WO1985001148A1 Electrode of vacuum breaker |
| 03/13/1985 | EP0134187A2 Measuring arrangement for detecting partial discharge within metal-shielded, pressure gas-isolated high-voltage commutator arrangements |
| 03/12/1985 | US4504808 Vacuum contactor kickout spring adjustment apparatus |
| 03/12/1985 | US4504711 Vacuum switching tube having magnetic field electrodes |
| 03/06/1985 | EP0133632A1 Improved high-speed, multi-break electrical switch |
| 03/05/1985 | US4503302 Arc interrupter |
| 03/05/1985 | CA1183592A1 Switching network |
| 02/26/1985 | US4502132 Power switch apparatus |
| 02/26/1985 | US4501941 Refractory metal and dispersion strengthened copper |
| 02/20/1985 | EP0133368A2 High current switch contact |
| 02/20/1985 | EP0133333A1 Current-limiter electric switch having a telecontrol suitable for a very high number of switching operations |
| 02/19/1985 | US4500762 Resistor-type disconnecting switch for circuit breaker |
| 02/19/1985 | US4500383 Process for bonding copper or copper-chromium alloy to ceramics, and bonded articles of ceramics and copper or copper-chromium alloy |
| 02/14/1985 | WO1985000691A1 Drive for a vacuum switch |
| 02/13/1985 | EP0132804A2 Vacuum switch, particularly for a low-voltage protector |
| 02/12/1985 | US4499351 High-voltage switch and its use |
| 02/12/1985 | US4499350 Circuit breaker with overvoltage suppression |
| 02/12/1985 | US4499349 Vacuum interrupter |
| 02/12/1985 | US4499009 Electrode composition for vacuum switch |
| 02/05/1985 | US4497992 Air circuit breaker |
| 02/05/1985 | US4497991 Gas-blast switch |
| 02/05/1985 | US4497990 Vacuum switch tube |
| 02/05/1985 | CA1182202A1 Contactor apparatus with automatic devices for opening power circuits |
| 02/05/1985 | CA1182155A1 Self extinguishing type gas circuit breaker |
| 01/29/1985 | US4496920 Electromagnetically operated electric switch |
| 01/23/1985 | EP0132083A2 Interrupter/isolator assembly |
| 01/23/1985 | EP0131922A1 Electrical apparatus employing a gaseous dielectric |
| 01/23/1985 | EP0131798A2 Housing of a vacuum switching tube |
| 01/22/1985 | US4495538 Contactor apparatus comprising means for automatically opening power circuits and a local control device |
| 01/22/1985 | US4495390 Disconnect switch |
| 01/22/1985 | CA1181502A1 Low dc voltage, high current switch assembly |
| 01/15/1985 | US4494103 For opening a current path |
| 01/09/1985 | EP0130842A2 High-voltage circuit breaker with improved puffer means |
| 01/09/1985 | EP0130590A2 Spiral arc circuit breaker |
| 01/08/1985 | USRE31797 Arc-shield supporting structure of a vacuum power interrupter |
| 01/08/1985 | US4492837 Guide means for the movable contact rod of a vacuum interrupter |
| 01/08/1985 | US4492835 For use with air break switch gear |
| 01/08/1985 | US4492831 Electrical switchgear |
| 01/08/1985 | CA1180613A1 Sf.sub.6 gas insulating electric apparatus and process for producing the same |
| 01/01/1985 | US4491706 Circuit breaker with means for producing a flow of arc-extinguishing gas |
| 01/01/1985 | US4491704 Vacuum circuit interrupter having vacuum monitoring apparatus |