| Patents for H02B 13 - Arrangement of switchgear in which switches are enclosed in, or structurally associated with, a casing, e.g. cubicle (6,055) |
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| 02/27/1979 | US4142078 Compact mounting assembly for electrical switching elements |
| 01/16/1979 | CA1046621A1 Compressed-gas multiphase circuit-breaker installation |
| 12/26/1978 | CA1045239A1 Weatherproof electrical switch enclosure |
| 12/19/1978 | US4130850 High speed fault diverter switch for gas-insulated systems |
| 10/31/1978 | US4123636 Double-flow puffer-type single-pressure compressed-gas circuit-interrupter |
| 10/03/1978 | US4118755 Self-cooled metal-clad switchgear |
| 10/03/1978 | CA1039798A1 Grounding of a double-pole high-voltage direct-current transmission system |
| 09/26/1978 | US4117528 Gas-insulated transmission lines with dc voltage limiting means |
| 09/26/1978 | US4117289 Single tank multibreaker circuit interrupter |
| 09/05/1978 | US4112473 Apparatus for determining a d-c potential in metal-encapsulated high voltage switching installations and equipments |
| 08/22/1978 | US4109124 Circuit-breakers for high voltages |
| 08/15/1978 | US4107496 Vacuum switching apparatus with double interruption and including an interposed barrier |
| 06/27/1978 | US4096628 Method for maintaining the positioning of electrical elements within a container |
| 05/16/1978 | US4090028 Metal arcing ring for high voltage gas-insulated bus |
| 05/09/1978 | US4088826 Gas-insulated electrical apparatus with field-installable particle traps |
| 05/02/1978 | US4087744 Device for determining a high-voltage potential in metal-encapsulated high-voltage switching installations and equipment |
| 04/04/1978 | US4083026 Arrangement with inductive voltage transformers |
| 04/04/1978 | US4082933 Stab connector for enclosed electric bus apparatus |
| 04/04/1978 | US4082932 High-voltage electric equipment cell |
| 02/14/1978 | US4074064 Encapsulated, gas-insulated high-voltage apparatus having increased resistance to arc activity |
| 02/07/1978 | US4073000 Electrical interlock apparatus for electrical equipment |
| 12/20/1977 | US4064353 Gas insulated transmission line with particle trap |
| 10/18/1977 | US4054351 Connection between a device in a metallic sheath and a transformer |
| 08/30/1977 | US4045634 Gas insulated switch-gear apparatus |
| 07/26/1977 | US4038486 Supporting insulator assembly for gas-insulated equipment |
| 06/21/1977 | US4031347 Protective gas cap for electric power apparatuses |
| 06/14/1977 | US4030057 Inductive voltage transformer |
| 06/14/1977 | US4029892 Method and means for trapping particles in enclosed high voltage electric bus apparatus |
| 06/14/1977 | US4029890 Particle trapping elbow joint for enclosed high voltage electric bus apparatus |
| 06/14/1977 | US4029380 Grounded surface distribution apparatus |
| 05/31/1977 | US4027126 Shorting and grounding arrangement for gas-insulated bus bars |
| 05/17/1977 | US4024365 Compressed-gas multiphase circuit-breaker installation |
| 04/19/1977 | US4019007 Grounded-tank high-power compressed-gas circuit-interrupter |
| 04/05/1977 | US4016382 Travelling switching block for metallic encapsulated high voltage switching installation |
| 03/22/1977 | US4013853 Multi-phase compressed-gas circuit-breaker construction |
| 02/08/1977 | US4007346 Encapsulated switching installation |
| 02/01/1977 | US4006332 Convection heating apparatus for multi-phase gas-type circuit interrupters |
| 01/25/1977 | US4005345 Multi-phase gas-type circuit-interrupter substitution modular construction |
| 11/02/1976 | US3990001 Measuring transformer for installation in the metal enclosure of a switching installation |
| 10/26/1976 | US3988684 Voltage transformer for an insulated high-voltage switching installation containing several conductors |
| 10/26/1976 | US3988645 Laminar insulating material for electrical apparatus |
| 10/19/1976 | US3987260 Ground and test connection for SF6 insulated bus |
| 08/10/1976 | US3974440 Measuring transformer for a fully insulated, metal-clad high-voltage installation |
| 06/29/1976 | US3966297 Device for observing an equipment under tension |
| 06/08/1976 | US3962609 Voltage transformer for a completely insulated high-voltage installation |
| 06/08/1976 | US3962605 High-speed grounding apparatus for metal encapsulated high-voltage installations |
| 05/18/1976 | US3958156 Vacuum interrupter metal-clad switchgear vertically elevatable within compartment |
| 04/20/1976 | US3952210 Grounding of a double-pole high voltage-direct current-transmission system |
| 04/06/1976 | US3949343 Grounded surface distribution apparatus |
| 03/30/1976 | US3947650 Gas-insulated switch for an underground power distrubution system |
| 03/02/1976 | US3942106 Voltage transformer for use in high voltage switching installation |
| 03/02/1976 | US3942099 Measuring transformer with a capacitor bushing |
| 03/02/1976 | US3942030 Arrangement for detecting dielectric breakdowns in metal-clad high-voltage switching and transmission installations |
| 02/17/1976 | US3939410 Arrangement for testing metal-clad, high-voltage installations |
| 01/06/1976 | US3931451 Apparatus for preventing burn-off due to an accidentical standing arc in high voltage apparatus |