| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 07/02/1986 | EP0186171A2 Operating device for circuit breakers |
| 07/02/1986 | EP0186030A1 Contact disposition of a vacuum switch |
| 07/02/1986 | EP0185840A2 Pluggable contact assembly |
| 07/01/1986 | US4598332 Current limiting apparatus utilizing multiple resistive parallel rails |
| 07/01/1986 | US4598330 High power direct current switching circuit |
| 07/01/1986 | US4598188 Gas-blast switch |
| 06/25/1986 | EP0185577A1 Electrical switch with a shield |
| 06/25/1986 | EP0185576A1 Electrical switch with a shield |
| 06/25/1986 | EP0185250A2 Dead tank type gas circuit breaker |
| 06/25/1986 | EP0185211A2 Vacuum circuit breaker |
| 06/24/1986 | US4596911 Combined device for on-load breaking and visible isolation of an electric circuit |
| 06/24/1986 | US4596910 High-voltage circuit breaker |
| 06/24/1986 | US4596906 Arrangement for providing independent rotary and linear drive outputs for high-voltage switches |
| 06/24/1986 | US4596310 Driving apparatus for an energy accumulator of a circuit breaker |
| 06/11/1986 | EP0184566A1 Extremely fast circuit breaker assisted by semiconductors |
| 06/11/1986 | EP0184059A1 Driving device for a switch |
| 06/11/1986 | EP0183931A2 Remote control device for an electrical switch or a similar device |
| 06/11/1986 | EP0183755A1 Arc quenching device for electric apparatus with gas insulation. |
| 06/10/1986 | US4594532 Multimegavolt high current switch |
| 06/10/1986 | US4594489 Electrical switching element |
| 06/10/1986 | US4594488 High-voltage electric switch with arc extinguishing device using self-generation of a quenching pressure |
| 06/10/1986 | CN85107896A Gas-breaker made in the shape of earth-tank |
| 06/10/1986 | CA1205860A1 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current |
| 06/04/1986 | CN85203391U Interlocking for refusal to open used with vacuum circuit breaker |
| 06/03/1986 | US4593165 Vacuum switch |
| 06/03/1986 | US4593164 Housing of a vacuum switching tube |
| 05/27/1986 | US4591680 Isolating switch |
| 05/27/1986 | US4591679 Loadbreak switch actuator |
| 05/27/1986 | US4591678 High power switching apparatus |
| 05/20/1986 | US4590387 Transfer switch |
| 05/13/1986 | US4588879 Vacuum interrupter |
| 05/13/1986 | CA1204492A1 Circuit breaker |
| 05/07/1986 | EP0179982A2 High power direct current switching circuit |
| 05/07/1986 | EP0179834A1 Switching device with antiarcing screen. |
| 05/06/1986 | US4587390 Vacuum circuit breaker |
| 05/06/1986 | CA1204136A1 Contact breaker mechanism for low and medium voltage interruptor |
| 04/30/1986 | EP0179482A2 Electric switch |
| 04/29/1986 | US4586011 Current-limiter electric switch having a telecontrol suitable for a very high number of switching operations |
| 04/29/1986 | US4585913 Bellows device |
| 04/29/1986 | US4585911 Spring charged operating device for switch |
| 04/23/1986 | EP0179017A2 Tripping unit containing a microprocessor for a power circuit breaker |
| 04/23/1986 | EP0178796A2 Manufacture of vacuum interrupter contacts |
| 04/23/1986 | EP0178733A2 Device for predetermining the arcing time in a direct current, low-medium voltage vacuum switch |
| 04/23/1986 | CN85202098U Longitudinal magnetic field contact for vocuum circuit breaker |
| 04/22/1986 | US4584445 Vacuum interrupter |
| 04/22/1986 | CA1203372A1 Insulating gas for electric device |
| 04/16/1986 | EP0177951A2 Tank-type switchgear |
| 04/16/1986 | EP0177750A1 Contact arrangement for a vacuum switch |
| 04/16/1986 | EP0177714A2 Pressurized-gas circuit breaker |
| 04/16/1986 | EP0177680A1 Electrically insulating column |
| 04/15/1986 | USRE32116 Electrical vacuum switch having means for generating an axial magnetic field between the contact faces |
| 04/15/1986 | US4583146 Fault current interrupter |
| 04/10/1986 | CN85107181A Three-phase combined type gas breaker |
| 04/09/1986 | EP0176665A2 Vacuum switch fully insulated by a solid substance |
| 04/08/1986 | US4581510 Drive for a high-tension circuit breaker |
| 04/02/1986 | EP0175954A2 Compressed gas circuit breaker |
| 04/01/1986 | US4580021 Circuit breaker |
| 03/27/1986 | WO1986001934A1 Automatically-reacting switch suitable for current limitation |
| 03/26/1986 | EP0175349A2 Vacuum circuit breaker |
| 03/26/1986 | EP0175209A2 Compressed gas circuit breaker |
| 03/26/1986 | EP0175181A2 Contact arrangement for vacuum switch |
| 03/26/1986 | CN85202138U Parallel zinc oxide over-voltage limiter for vacuum switch |
| 03/25/1986 | US4578730 High-voltage DC circuit breaker apparatus |
| 03/25/1986 | US4578550 Electrical, medium voltage, switching mechanism |
| 03/19/1986 | EP0174906A1 Closing device for a circuit breaker with eccentric and unidirectional coupling |
| 03/19/1986 | EP0174904A1 Contact device for a low voltage circuit breaker with a two-armed contact lever |
| 03/18/1986 | US4577253 Method for limiting the fault-generated currents of circuit breakers in a high-voltage switching system and application of the method |
| 03/18/1986 | US4577074 High voltage gas-blast circuit breaker |
| 03/18/1986 | US4577073 Electrical circuit breaker with arc extinguishing compressed fluid |
| 03/18/1986 | CA1201956A1 Fail-safe hydraulically operated circuit breaker accumulator arrangement |
| 03/12/1986 | EP0173804A1 Gas-blast switch |
| 03/12/1986 | EP0173771A1 Electrical contacts for oscillating yoke in a load selector |
| 03/11/1986 | US4575599 Spiral arc circuit breaker |
| 03/11/1986 | CA1201842A1 Adhesion of hardened epoxy resin to acid-coated carbonate filler |
| 03/05/1986 | EP0172986A2 Operating device for an electrical switch with pressure contacts, particularly for a vacuum switch |
| 03/05/1986 | EP0172912A1 Contact material for vacuum breaker |
| 03/05/1986 | CN85201688U Electrical interlocking apparatus used between the highvoltage isolation switch and high voltage break |
| 03/04/1986 | US4574169 Bimetallic arc shield |
| 02/26/1986 | EP0172554A2 Enclosed thyristor valve |
| 02/26/1986 | EP0172411A1 Vacuum contactor with contact pieces of CuCr and process for the production of such contact pieces |
| 02/26/1986 | EP0172409A2 Hybrid circuit breaker |
| 02/19/1986 | EP0171657A1 Pressurised-gas circuit breaker which can be assembled and disassembled without appreciable gas losses |
| 02/04/1986 | US4568806 Multiple arc region SF6 puffer circuit interrupter |
| 02/04/1986 | US4568804 High voltage vacuum type circuit interrupter |
| 01/28/1986 | US4567338 Cup-shaped switch contact member for an electric vacuum switch |
| 01/28/1986 | CA1200002A1 Switching system |
| 01/22/1986 | CN85201426U Combinational automatic air-switch |
| 01/21/1986 | US4565911 High-voltage circuit-breaker |
| 01/21/1986 | US4565901 Pentafluoropropionitrile and sulfur hexafluoride |
| 01/16/1986 | WO1986000464A1 High voltage switching device |
| 01/16/1986 | WO1986000463A1 Vacuum switch with vacuum control device |
| 01/15/1986 | EP0168340A1 Vacuum interrupter with a vacuum monitoring means |
| 01/08/1986 | EP0167479A1 Vacuum switch tube with a coil for generating a magnetic field |
| 01/07/1986 | US4563556 Internal combustion circuit breaker |
| 01/07/1986 | US4563554 High-voltage switch |
| 01/03/1986 | WO1986000169A1 Arc quenching device for electric apparatus with gas insulation |
| 12/31/1985 | US4562323 Switch device having an insulating screen inserted between the contacts during breaking and means for shearing the arc between this screen and an insulating wall |
| 12/31/1985 | US4562322 SF6 Gas arc extinguishing electric apparatus and process for producing the same |
| 12/31/1985 | US4562321 Guiding assembly for a high-voltage circuit-breaker operating rod |
| 12/31/1985 | US4562320 Current-limiting device |