| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 12/24/1986 | CN85105582A Grounding switch with a resistor |
| 12/24/1986 | CN85105180A Disconnecting switch for gas-insulated switchgear |
| 12/17/1986 | EP0205397A1 Isolating switch for a high-tension gas-insulated metal-clad switchgear |
| 12/03/1986 | EP0203373A1 Isolating switch |
| 11/20/1986 | EP0202192A1 Pressurized gas-insulated metal-clad high-voltage installation |
| 11/19/1986 | CN85103981A Isolating switch, in particular single cylinder-shear switch |
| 11/18/1986 | US4623767 Disconnect switch for metal-clad, pressurized gas-insulated high-voltage switchgear with damping resistors |
| 11/05/1986 | CN86100367A Break switch |
| 10/29/1986 | EP0199044A2 Enclosed on-load switch |
| 10/22/1986 | EP0198506A2 Air-break switchgear for high-tension circuits |
| 10/22/1986 | CN86102745A Switchgear |
| 10/21/1986 | US4618752 Gas-insulated interrupter |
| 08/27/1986 | EP0191927A1 Multiposition threepole disconnecting switch, particularly for pressure gas insulated metal clad high-voltage switch installations |
| 08/12/1986 | CA1209624A1 Electric circuit interrupter and associated mounting |
| 06/24/1986 | US4596911 Combined device for on-load breaking and visible isolation of an electric circuit |
| 06/10/1986 | CA1205860A1 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current |
| 05/27/1986 | US4591680 Isolating switch |
| 05/20/1986 | US4590343 Knife blade and clip contact arrangement |
| 04/08/1986 | CA1203001A1 Electrical cutout |
| 03/25/1986 | US4578550 Electrical, medium voltage, switching mechanism |
| 03/05/1986 | CN85201688U Electrical interlocking apparatus used between the highvoltage isolation switch and high voltage break |
| 02/11/1986 | US4570042 Gas-insulated switching apparatus |
| 02/04/1986 | US4568808 Telescopic isolating switch |
| 01/22/1986 | EP0168568A2 Isolating switch, in particular a pantograph isolating switch |
| 01/14/1986 | US4564731 Scissor-type disconnect switch with contact elements having wear-resistant armatures |
| 01/08/1986 | EP0166844A1 Tap selector with cranked shaft |
| 12/17/1985 | US4559424 Disconnect switch for high-voltage switching installation |
| 11/26/1985 | US4555603 Grounding switch |
| 11/13/1985 | EP0161120A1 Combination for load break and visible disconnection of an electrical circuit |
| 11/13/1985 | EP0160796A1 Switch arrangement |
| 10/22/1985 | US4549132 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current |
| 10/08/1985 | US4546341 Electrical cutout having a linkbreak lever |
| 10/02/1985 | EP0156171A2 Counter-contact system for a pantograph isolating switch |
| 10/01/1985 | CA1194529A1 Apparatus for associating an electrical device with a mounting therefor |
| 09/18/1985 | EP0154908A2 Power line/transformer switch |
| 09/03/1985 | US4539450 Disconnect switch |
| 09/03/1985 | US4539449 Disconnect switch |
| 09/03/1985 | US4539448 Disconnect switch for metal-clad, pressurized-gas insulated, high-voltage switchgear installation |
| 08/28/1985 | EP0152718A1 Isolating switch for metal clad pressurized gas insulated high voltage switch gear |
| 08/20/1985 | US4536822 Electric circuit interrupter and associated mounting |
| 07/31/1985 | EP0150131A2 Gas-insulated interrupter |
| 07/23/1985 | CA1190910A1 Winding and unwinding device for flexible rod |
| 07/03/1985 | EP0147150A2 Electrical Isolators |
| 06/26/1985 | EP0145994A2 Medium voltage switching device |
| 06/25/1985 | US4525612 Gas insulated switch |
| 06/04/1985 | US4521654 High voltage disconnect switch employing pre-contact pieces |
| 05/21/1985 | US4518838 Multipole high voltage circuit breaker |
| 04/24/1985 | EP0138743A1 Isolating switch for metal-clad pressurized-gas-insulated high-voltage switch gear |
| 04/23/1985 | US4513208 Electrical switchgear |
| 04/10/1985 | EP0136965A1 Isolating switch for a metal-clad pressurized-gas-insulated high-voltage switchgear |
| 04/03/1985 | EP0135789A2 High-voltage isolating switch, in particular a pantograph isolating switch able to make or break currents |
| 03/12/1985 | US4504708 Disconnect switch |
| 03/05/1985 | CA1183593A1 Circuit-braker position ultrasound indicator |
| 02/19/1985 | US4500762 Resistor-type disconnecting switch for circuit breaker |
| 02/12/1985 | CA1182502A1 Mounting for an article which permits movement thereof between inaccessible and accessible positions |
| 01/22/1985 | US4495390 Disconnect switch |
| 12/25/1984 | US4490595 Electric disconnect or grounding switch having a movable switch blade |
| 12/19/1984 | EP0128377A2 Disconnect switch for a high-voltage switchgear, possibly with SF6 gas insulation |
| 12/04/1984 | US4486634 Ground test switch for gas insulated switchgear |
| 11/20/1984 | US4484047 Metal encapsulated, pressurized gas insulated high voltage switching apparatus |
| 11/20/1984 | US4484046 Vacuum load break switch |
| 11/14/1984 | EP0124681A1 Earthing equipment |
| 11/08/1984 | WO1984004424A1 Telescopic sectioning device |
| 11/07/1984 | EP0123941A1 Switch gear for H.T. installations |
| 11/06/1984 | US4481387 Voltage isolater switch with pivoted contact assemblies |
| 10/30/1984 | US4480245 Electric cutout |
| 10/24/1984 | EP0122728A1 Gas-insulated switching apparatus |
| 10/24/1984 | EP0122595A1 Gas insulated switch assembly |
| 10/09/1984 | US4476361 Disconnect contact assembly |
| 10/03/1984 | EP0120409A2 Driving gear for operating a rotary disconnect switch |
| 09/12/1984 | EP0118005A1 Multipole high-tension power circuit breaker |
| 09/05/1984 | EP0117754A2 Electrical switchgear |
| 08/01/1984 | EP0114245A1 Method to protect a disconnected low-voltage network and switching device for carrying out the method |
| 07/31/1984 | US4463227 Mounting for an article which permits movement thereof between inaccessible and accessible positions |
| 06/13/1984 | EP0110005A1 Contact arrangement for a pantograph disconnecting switch |
| 06/12/1984 | US4453679 Apparatus for winding and unwinding a flexible rod |
| 06/05/1984 | CA1168680A1 Electric circuit interrupting apparatus |
| 05/29/1984 | US4451910 Ultrasonic position monitor for HV disconnect switch |
| 04/24/1984 | US4445014 High-voltage disconnect switch |
| 04/04/1984 | EP0104599A2 High tension disconnecting switch with preliminary contacts |
| 03/28/1984 | EP0103758A2 Method of testing and verifying a performance for insulation to ground of a disconnecting switch when breaking a charging current |
| 02/29/1984 | EP0101564A2 Isolating switch with pantograph |
| 02/15/1984 | EP0100510A2 Grounding switch |
| 01/24/1984 | US4427858 Grounding switch |
| 12/20/1983 | US4422062 Apparatus for associating an electrical device with a mounting therefor |
| 11/30/1983 | EP0095106A2 Rotary switch |
| 11/08/1983 | US4414527 Contact assembly for a fuse cutout |
| 11/08/1983 | US4414451 Disconnect switch |
| 11/01/1983 | US4413166 Disconnect switch |
| 10/25/1983 | US4412202 Electric circuit interrupting apparatus |
| 10/25/1983 | US4412116 Circuit breaker with unitary actuating shaft |
| 09/21/1983 | EP0089309A2 Isolator or earthing switch comprising rotating contact knives |
| 09/14/1983 | EP0088155A2 Ultrasonic position indicator for an isolating switch |
| 07/12/1983 | CA1149846A1 Electric fuse cutout |
| 06/21/1983 | US4389553 Rotary disconnect switch |
| 04/06/1983 | EP0075922A2 Ground test switch for insulated switchgear |
| 04/05/1983 | CA1144216A1 Loadbreak arc snuffing device |
| 03/22/1983 | CA1143414A1 High-voltage fuse cutout |
| 02/08/1983 | CA1140970A1 Disconnect switch with blade and jaw-type contact |
| 02/08/1983 | CA1140969A2 Power driven group operated circuit disconnect apparatus for overhead electric power lines |