| 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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| 02/22/1990 | DE3828322A1 Display device for the insulating-gas density in an insulating-gas-filled encapsulated switchgear |
| 02/14/1990 | EP0354494A1 Switch gear |
| 02/14/1990 | CN1039659A Abnormality diagnosing system and method for high voltage power apparatus |
| 02/07/1990 | EP0354166A1 Gas-insulated high-voltage switchgear with an insulated grounding switch |
| 02/07/1990 | CN1006749B Arrangement for small-sized gas insulating switch |
| 02/06/1990 | US4899250 Gas insulated switchgear with circuit breakers perpendicular to main buses |
| 02/06/1990 | CA1265605A1 Metalclad substation subdivided into tight compartments |
| 01/10/1990 | CN1038724A Gas insulating distribution apparatus |
| 01/03/1990 | CN1038550A Double buses high-voltage switch cabinet with double throw isolating switch |
| 12/27/1989 | EP0348313A1 Shielded high-voltage station with a double bus bar |
| 12/27/1989 | EP0348312A1 Shielded station for a high voltage network |
| 12/26/1989 | US4890193 Gas-insulated switchgear equipment |
| 12/20/1989 | EP0346805A1 Method of gas inflation complement for a compressed insultating gas electric switch gear |
| 12/06/1989 | EP0211031B1 Interrupter/isolator |
| 11/30/1989 | WO1989011746A1 Circular waveguide connection between a transformer and metal-cased, high-voltage switchgear with compressed gas insulation |
| 11/29/1989 | CN1037622A Cell for medium or high tension metalclad station, and station made up of such cells |
| 11/28/1989 | US4884166 Electricity station |
| 11/23/1989 | EP0342597A2 Abnormality system for a high voltage power supply apparatus |
| 11/23/1989 | DE3815800A1 Arrangement for measuring a gas density |
| 11/22/1989 | CN1005887B Arrangement for three-phase common box type gas insulating switch |
| 11/02/1989 | DE3816047A1 Circuit arrangement for acoustic partial-discharge detection |
| 10/25/1989 | EP0338382A1 Cells for enclosed middle and high voltage stations, and station composed of such cells |
| 10/25/1989 | CN1036670A Arrangement for gas insulating switch |
| 09/12/1989 | US4866569 Gas-insulated switchgear apparatus |
| 08/29/1989 | US4862319 Gas-insulated switchgear |
| 07/13/1989 | DE3743562A1 Electrical switching or distributer installation which is encapsulated in a pressure-tight manner and has a bursting protection device |
| 07/11/1989 | US4846695 Bus bar connector |
| 07/06/1989 | DE3743544A1 Interrupter switch (isolating switch) |
| 07/05/1989 | CN1033716A Prefabricated medium voltage switchboard with rotary switch |
| 06/22/1989 | DE3742045A1 Electrical connector |
| 06/14/1989 | CN1004529B Gas insulation switch |
| 06/07/1989 | CN1004460B Gas insulating swith arrangement |
| 06/06/1989 | US4837662 Gas insulated switchgear |
| 05/10/1989 | CN1032888A Arrangement for gas insulating switch |
| 05/10/1989 | CN1032887A Arrangement of gas insulating switch |
| 05/10/1989 | CN1032886A Gas insulated switching arrangement |
| 05/09/1989 | US4829400 Gas-insulated switchgear |
| 05/03/1989 | DE3834945A1 Gas-filled switching installation |
| 05/02/1989 | US4827088 Electrical ring main unit |
| 04/26/1989 | EP0313106A2 Electrical switchgear |
| 04/12/1989 | EP0311472A1 Medium-voltage prefabricated switchboard with a rotary interruptor |
| 04/11/1989 | US4821141 Gas insulated switchgear |
| 04/11/1989 | US4821140 Gas insulated switchgear disconnector arrangement |
| 03/30/1989 | DE3731342A1 Electrical high-voltage power circuit breaker (power switch), especially a gas-blast circuit breaker |
| 03/28/1989 | US4816983 Enclosed D.C. converting station |
| 03/28/1989 | CA1251850A1 Protective device for preventing blowout of bushing in high-voltage switching installation |
| 03/22/1989 | EP0307542A2 Medium voltage switchgear with remote control |
| 03/16/1989 | DE3728235A1 Medium-voltage switching installation |
| 03/01/1989 | CN1031453A An electricity station |
| 02/28/1989 | CA1250613A1 Gas-insulated interrupter |
| 02/08/1989 | EP0302391A1 Power supply station |
| 12/14/1988 | EP0294766A2 Gas-insulated switchgear equipment |
| 11/23/1988 | EP0291762A2 Metal-clad, gas filled, multiphase high voltage switchgear |
| 11/16/1988 | CN88102677A Multi-phase high voltage switching device with metal casing filled by high pressure gas |
| 11/02/1988 | EP0288834A1 Cabinet for an electrical switch gear |
| 11/01/1988 | US4782423 Lightning arrester |
| 10/19/1988 | EP0286689A1 Gas insulating switch |
| 10/18/1988 | US4779197 Three-phase-enclosure type gas insulated switchgear |
| 10/13/1988 | DE3710488A1 Gas-warning device for oil-filled high-voltage units |
| 09/27/1988 | US4774628 Metalclad substation subdivided into tight compartments |
| 09/27/1988 | US4774627 Metal-encapsulated switching apparatus |
| 09/21/1988 | EP0283189A2 Electrical ring main unit |
| 09/15/1988 | DE3707254A1 Fireproof false floor |
| 09/15/1988 | DE3707197A1 Method for testing the leakproofness of electrical devices, in particular surge voltage protectors, accommodated in a housing sealed in a gastight fashion |
| 09/06/1988 | US4769740 Pressurized gas-insulated three-phase encapsulated high-voltage circuit breaker |
| 08/24/1988 | EP0279045A2 Universal drive |
| 08/23/1988 | US4766513 High voltage apparatus |
| 07/06/1988 | CN86102108B Switching device isolated by gas |
| 06/28/1988 | US4754363 Metal-encapsulated gas-insulated high-voltage installation with an overvoltage arrester |
| 06/15/1988 | CN85106001B Ges insulating switch device |
| 06/09/1988 | DE3641573A1 Housing |
| 06/07/1988 | US4749831 Dead tank type gas circuit breaker |
| 05/25/1988 | CN87107750A Arrangement for three-phase common box type gas insulating switch |
| 05/24/1988 | US4747015 Gas insulated switching apparatus |
| 05/17/1988 | US4745522 Gas-insulated switchgear apparatus |
| 05/10/1988 | US4744002 Compact-type gas-insulated switchgear apparatus |
| 05/04/1988 | CN87106655A 气体绝缘开关装置 Gas insulated switchgear |
| 05/03/1988 | US4742423 Gas insulated apparatus |
| 04/27/1988 | CN87211590U Circular distribution network switch |
| 04/21/1988 | WO1988002941A1 Gas insulating switch |
| 04/13/1988 | CN87106466A Gas insulating switch arrangement |
| 04/13/1988 | CN87106309A Gas insulating switch arrangement |
| 04/07/1988 | DE3632264A1 Telescopic rod |
| 03/30/1988 | EP0247198A4 Alloy having improved fatigue crack growth resistance. |
| 03/30/1988 | CN87213976U High voltage vacuum explosion-proof distribation device |
| 03/16/1988 | EP0259731A2 Lightning arrester |
| 03/09/1988 | CN85108383B Tank type switchgear |
| 03/08/1988 | US4730085 Gas insulated electrical apparatus with particle traps |
| 02/23/1988 | US4727229 Interrupter isolator |
| 02/16/1988 | CA1232930A1 Gas-insulated switchgear equipment |
| 02/03/1988 | CN87102299A Metalclad substation subdivided into tight compartments |
| 02/03/1988 | CN85106215B Electric gas-isolated device |
| 01/21/1988 | DE3623994A1 Busbar quick-action short-circuiting switch and/or earthing switch |
| 01/20/1988 | EP0253317A2 Gas-insulated switchgear apparatus |
| 01/13/1988 | CN87200730U Winding capacity adjusting device of power transformer |
| 12/02/1987 | EP0247198A1 Alloy having improved fatigue crack growth resistance |
| 11/25/1987 | EP0246820A2 Electrical distribution apparatus having fused draw-out surge arrester |
| 11/24/1987 | US4709291 Protective device for preventing blowout of bushing in high-voltage switching installation |
| 11/12/1987 | DE3715105A1 Dichte elektrische vorrichtung Density electrical device |
| 11/12/1987 | DE3615169A1 Pressure-relief device for tanks exposed to excess gas pressures |