| Patents for H01H 33 - High-tension or heavy-current switches with arc-extinguishing or arc-preventing means (18,584) |
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| 01/13/1987 | US4636599 High-voltage switch |
| 01/07/1987 | CN86104646A Gas insulation switch |
| 01/07/1987 | CN86103785A 真空断续器 Vacuum interrupter |
| 01/06/1987 | US4635015 Switching device for shorting at least one superconducting magnet winding |
| 01/06/1987 | US4635014 Contactor having a Z-shaped current path for blow-out force reduction |
| 01/02/1987 | DE3620620A1 Gas interruptor switch (isolator) |
| 01/02/1987 | DE3522539A1 Insulating-gas switching device |
| 12/30/1986 | USRE32321 Electric switch and improved device using same |
| 12/30/1986 | US4633049 Gas-blast switch |
| 12/30/1986 | EP0205897A2 Arcing contact piece and process for manufacturing such a piece or the like |
| 12/30/1986 | CA1216020A1 Grounding switch |
| 12/24/1986 | CN85105180A Disconnecting switch for gas-insulated switchgear |
| 12/23/1986 | US4631625 Microprocessor controlled circuit breaker trip unit |
| 12/23/1986 | US4630361 Process for preparing a vacuum switch tube |
| 12/17/1986 | EP0205397A1 Isolating switch for a high-tension gas-insulated metal-clad switchgear |
| 12/17/1986 | EP0201430A2 Gas interrupter with arc blasting |
| 12/17/1986 | CN86103471A Spring operation means for circuit breaker |
| 12/17/1986 | CN86101917A Gas insulating apparatus |
| 12/17/1986 | CN86101866A Insulator gas breaker |
| 12/16/1986 | US4629840 Device for quenching an electric arc |
| 12/16/1986 | US4629839 High current switch contacts |
| 12/10/1986 | EP0204262A1 Vacuum interrupter |
| 12/10/1986 | EP0204180A1 Switch with sulfur hexafluoride operating in a very low temperature environment |
| 12/10/1986 | EP0204082A1 Cast casing for medium voltage switchgear |
| 12/09/1986 | US4628393 Method for switching in a three-phase high voltage circuit |
| 12/09/1986 | US4628164 Arc contact system for electrical circuit breakers, in particular of the type using an arc extinguishing fluid |
| 12/03/1986 | EP0203367A1 Contact arrangement for a vacuum system |
| 12/02/1986 | US4626638 Operating system for remote electrical equipment |
| 12/02/1986 | CA1214856A1 Magnetically operated ac switching device with delay- on-dropout |
| 12/02/1986 | CA1214813A1 Distribution class puffer interrupter |
| 11/26/1986 | EP0202496A1 Gas blast switch |
| 11/26/1986 | CN85104210A Actuator |
| 11/20/1986 | EP0201695A2 Load-break switch and switching circuit using this load-break switch |
| 11/18/1986 | US4623769 Continuous-current switch for shorting at least one superconducting magnet winding |
| 11/18/1986 | US4623767 Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors |
| 11/12/1986 | EP0201248A2 Controlled electrical contacts for electrical switchgear |
| 11/12/1986 | CN86103295A Sulfur hexafluoride circuit breaker operating in a very low temperature environment |
| 11/12/1986 | CN86101700A Spring operation device for beaking-making machinery |
| 11/11/1986 | US4622443 Single-pole load disconnecting switch arrangement in a housing |
| 11/11/1986 | US4622250 Insulating material and use thereof in insulators |
| 11/11/1986 | US4621561 Switch for inductive energy store transfer circuit |
| 11/05/1986 | EP0200465A2 Vacuum devices |
| 11/04/1986 | US4621175 Drive for a vacuum switch |
| 10/29/1986 | EP0199594A2 High current switch contacts |
| 10/29/1986 | EP0199593A2 High current switch contacts |
| 10/29/1986 | EP0199248A1 On-load high tension rotary switch |
| 10/29/1986 | EP0199044A2 Enclosed on-load switch |
| 10/29/1986 | EP0120874B1 Electric current breaking device |
| 10/28/1986 | US4620074 Contact arrangement for vacuum switches |
| 10/22/1986 | CN86102745A Switchgear |
| 10/21/1986 | US4618905 DC circuit breaker |
| 10/21/1986 | US4618753 Insulating chamber |
| 10/21/1986 | US4618752 Gas-insulated interrupter |
| 10/21/1986 | US4618750 Vacuum switching tube with a coil for generating a magnetic field |
| 10/21/1986 | US4618749 Solid insulator-type vacuum switch gear |
| 10/15/1986 | EP0197739A2 Air circuit interrupter |
| 10/15/1986 | EP0197339A1 High tension circuit breaker with closing resistor |
| 10/15/1986 | EP0197332A2 Material for electrical contacts with an arc-extinguishing capacity |
| 10/14/1986 | US4617545 Submersible primary circuit breaker |
| 10/14/1986 | US4617542 High voltage switching device |
| 10/14/1986 | US4617513 Measurement device for use in high-voltage gas-insulated switch gear |
| 10/14/1986 | US4617435 Hybrid circuit breaker |
| 10/14/1986 | US4617434 Contact arrangement for a vacuum interrupter |
| 10/14/1986 | US4616856 Nozzle and retaining arrangement |
| 10/08/1986 | EP0196503A1 Vacuum switch casing |
| 10/01/1986 | EP0196240A2 Metal-clad gas-insulated switchgear apparatus |
| 10/01/1986 | EP0196234A2 Gas insulated switchgear |
| 10/01/1986 | EP0195904A1 Gas blast switch |
| 09/30/1986 | US4614850 Vacuum switch for the low-voltage range, especially a low-voltage contactor |
| 09/23/1986 | US4613727 Electrical insulator column with fiber optic cable and gas supply tube |
| 09/17/1986 | EP0194489A2 Gas blast circuit breaker |
| 09/16/1986 | US4612429 Multiple-impact shock absorbing means for circuit interrupter and other apparatus |
| 09/16/1986 | US4612428 Compressed gas circuit breaker able to be assembled and disassembled without a significant loss of gas |
| 09/16/1986 | CA1211487A1 High-voltage y-shaped dead tank circuit interrupter |
| 09/10/1986 | EP0193604A1 Automatically-reacting switch suitable for current limitation |
| 09/09/1986 | US4611189 Underoil primary circuit breaker |
| 09/09/1986 | CA1211144A1 Pneumatic self-blasting circuit breaker |
| 09/02/1986 | US4609798 Means for assembling two enclosures of an electrical cutout apparatus |
| 09/02/1986 | US4609797 Splitter plate |
| 09/02/1986 | CA1210846A1 Selective solid state trip unit associated with a limiting circuit-breaker |
| 08/27/1986 | EP0192251A2 Electrode of vacuum circuit breaker |
| 08/27/1986 | EP0191927A1 Multiposition threepole disconnecting switch, particularly for pressure gas insulated metal clad high-voltage switch installations |
| 08/27/1986 | CN85108391A Contact arrangements for vacuum switches |
| 08/26/1986 | US4608470 High-voltage switch |
| 08/20/1986 | EP0191465A2 A puffer type gas blast circuit breaker |
| 08/20/1986 | EP0191398A1 Oil-filled tap changer assembly with oil expansion vessel |
| 08/20/1986 | CN85107522A Gas-blast switch |
| 08/13/1986 | EP0190984A2 Underoil primary circuit breaker |
| 08/06/1986 | EP0189689A1 Electrical switch with screen |
| 08/06/1986 | CN85108985A Drawout switchgear apparatus with extensible track |
| 08/05/1986 | US4604508 Electric circuit breaker of the type using an arc quenching fluid with pressure self-generating due to the breakdown of the fluid |
| 07/31/1986 | WO1986004452A1 Interrupter/isolator |
| 07/23/1986 | EP0187951A1 Switch contact for a vacuum switch |
| 07/23/1986 | EP0187950A1 Vacuum switch |
| 07/22/1986 | CA1208337A1 Vacuum monitor for vacuum interrupter |
| 07/16/1986 | CN85108383A Tank type switchgear |
| 07/15/1986 | US4600260 Electrical connector |
| 07/09/1986 | EP0186688A1 High voltage switching device |
| 07/08/1986 | US4599671 Current limiting devices utilizing resistive parallel rails |
| 07/02/1986 | EP0186546A1 Electrical switch with a shield |