| 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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| 09/10/1999 | WO1999045617A1 Metal-enclosed, gas-insulated switchgears with containers filled with gas |
| 09/10/1999 | WO1999045555A1 Apparatus and procedure for elimination of water, air and other gases from the mixture of sulfurhexafluoride (sf6) with gas |
| 09/09/1999 | DE19809839A1 Metallgekapselte, gasisolierte Schaltanlage mit gasgefüllten Behältern Metal-enclosed, gas-insulated switchgear with gas-filled containers |
| 09/08/1999 | CN1227986A Gas insulation equipment and gas insulating method |
| 09/08/1999 | CN1227983A Switch apparatus |
| 09/08/1999 | CN1045034C Gas-insulated switchgear |
| 09/08/1999 | CN1045033C Metal casing type gas insulation combined switch |
| 09/02/1999 | DE19809819A1 Power transmission system with sensor and allocated antenna |
| 08/25/1999 | EP0938176A1 Three-phase duplicate busbars system for gas insulated switchgear |
| 08/25/1999 | CN1226760A Voltage converter for circuit breaker at high or mediate voltages |
| 08/25/1999 | CN1044841C Compressed gas insulation switchgear |
| 08/18/1999 | EP0935832A1 Medium voltage switchgear with accidental arc absorber device |
| 08/11/1999 | EP0935325A1 Gas-insulated, metal-encapsulated switchgear |
| 08/11/1999 | CN2333107Y Aluminium alloy protective cabinet |
| 08/11/1999 | CN1225521A Gas insulated metal sealing switchgear |
| 08/10/1999 | US5934115 Circuit breaker panelboard lock assembly |
| 08/04/1999 | CN1224940A Gas insulating switch apparatus |
| 08/03/1999 | US5933305 For an ac electrical system |
| 07/27/1999 | US5930415 Monitoring device for a gas-insulated cable |
| 07/14/1999 | EP0929137A1 Arc detection and location in Gas Insulated Substation using half wave oscillation of the gas |
| 07/14/1999 | CN1044177C Gas insulated switchgear |
| 07/08/1999 | DE19850430A1 Circuit breaker screening section |
| 07/06/1999 | US5920052 Multi-circuit switch gear |
| 07/01/1999 | DE19757844A1 Switch arcing detector with non-wound light guide |
| 06/23/1999 | EP0924827A1 Gas-insulated, medium voltage switchgear cell with increased dielectric strength |
| 06/23/1999 | EP0551337B1 Monitoring gas insulated substations |
| 06/23/1999 | CN1220511A 开关装置 Switching device |
| 06/17/1999 | DE19753366A1 Clamping connector, especially for medium voltage switchgear |
| 06/10/1999 | DE19816850C1 Switch system for middle voltage range with cross rotation switch |
| 06/10/1999 | DE19755887A1 Voltage transformer especially for gas-insulated medium voltage switch and control-gear |
| 06/09/1999 | CN2323486Y Distribution frame protector with thermistor failure protection and warning functions |
| 06/08/1999 | US5910872 Method of discriminating between an internal arc and an interruption arc detected inside a metal-clad electrical installation |
| 06/08/1999 | US5910775 Phasing and indicator arrangements for switchgear or the like |
| 06/02/1999 | EP0919076A1 Encapsulated gas isolated high voltage installation with a partitioned connector component |
| 05/27/1999 | DE19749986A1 Metal-encapsulated, gas-insulated HV switchgear apparatus |
| 05/25/1999 | US5907122 Gas insulated electrical apparatus |
| 05/12/1999 | EP0915546A1 Gas insulated high voltage line with integrated power capacitor |
| 05/11/1999 | US5902979 Gas insulation type load break system |
| 05/06/1999 | CA2250997A1 Gas-insulated electrical line with power condenser incorporated |
| 04/29/1999 | WO1999021255A1 Short-circuiter, especially for an accidental arc protection device for use in systems which distribute electric energy |
| 04/29/1999 | WO1999021254A1 Short-circuiter especially for an accidental arc protection device for use in systems which distribute electric energy |
| 04/29/1999 | WO1999021253A1 Short-circuiter, especially for an accidental arc protection device for use in systems which distribute electric energy |
| 04/29/1999 | DE19747826A1 Medium voltage switching station with metal encapsulated air-insulated enclosure |
| 04/29/1999 | DE19746815A1 Short-circuiter for arcing protection device |
| 04/29/1999 | DE19746813A1 Assembly method for short-circuiter for arcing protection device |
| 04/29/1999 | DE19746809A1 Short-circuiter for arcing protection device |
| 04/29/1999 | DE19746566A1 Short-circuiter for arcing protection device |
| 04/29/1999 | DE19746564A1 Short-circuit device for arcing protection device |
| 04/27/1999 | US5898565 Gas insulated switchgear apparatus |
| 04/21/1999 | CN1214559A Optical coupling element |
| 04/21/1999 | CN1214558A Optical coupling element |
| 04/21/1999 | CN1214525A Bellows and vacuum switch using the bellows |
| 04/15/1999 | WO1999018591A1 Vacuum switchgear |
| 04/15/1999 | WO1999003181A9 Need-oriented medium voltage switchboard plant |
| 04/14/1999 | CN2314455Y Transformer switch assembly |
| 04/08/1999 | WO1999017412A1 Switch gear |
| 04/07/1999 | EP0906648A1 Electric cell with sealed metal casing |
| 04/07/1999 | CN1213464A Switchgear device |
| 04/07/1999 | CN1213463A Method of determining position of switching device |
| 04/07/1999 | CN1213204A Enclosed switch board and isolation parts casing pipe |
| 04/06/1999 | US5892195 Arc-resistant switchgear enclosure with arcing chamber venting structure |
| 03/31/1999 | EP0905731A2 Bellows and vacuum switch using the bellows |
| 03/31/1999 | EP0803141B1 Arrangement of coupler bays in sealed medium voltage switching systems |
| 03/31/1999 | EP0795219B1 Electric switching device |
| 03/30/1999 | US5889467 Method of monitoring a leakage rate from the envelope of high voltage electrical apparatus |
| 03/24/1999 | EP0903826A1 Fire extinguishing device, especially for medium voltage switchboards |
| 03/24/1999 | EP0903825A2 Switchgear cabinet for housing components for a series lighting circuit in an airport |
| 03/24/1999 | EP0845107B1 Measurement system for electric disturbances in a high-voltage switchboard plant |
| 03/24/1999 | CN1212085A Encased tubular conductor |
| 03/23/1999 | US5884886 Support frame for a structural component |
| 03/17/1999 | CN1211351A Encased arrangement |
| 03/10/1999 | CN1210628A Metal-encased switchgear |
| 03/09/1999 | US5878905 Container-type switchgear |
| 03/04/1999 | WO1998054808A3 Gas-insulated pipeline system with an inner line supported by column-type support structures |
| 03/03/1999 | CN1209911A Metal-encased switchgear with partial discharge detector |
| 03/03/1999 | CN1209670A Connecting device for electric connection between two gas-insulated high-pressure cabinets |
| 02/25/1999 | DE19737430A1 Contact lead-through-type electrical coupling element for metal encapsulated gas-insulated functional areas of switching station |
| 02/25/1999 | DE19737429A1 Electrical coupling element for forming electrical connections between gas-insulated functional areas e.g. of switching station |
| 02/24/1999 | CN1042276C Isolated switch used in high voltage switch device with metallic case and gas isolation |
| 02/17/1999 | CN1208275A Gas isolated bus and gas insulation switch device |
| 02/16/1999 | US5872346 Metal-cladded electrical high-voltage switching installation with a power switch |
| 02/11/1999 | WO1999007047A1 Bushing-type current transformer for an air-insulated metal-encapsulated middle voltage switching station |
| 02/11/1999 | WO1999007046A1 Feedthrough post insulator for an air-insulated metal-encapsulated middle voltage switching station |
| 02/11/1999 | WO1999007045A1 Middle voltage switching station with a busbar space and a connection space |
| 02/10/1999 | CN1042078C Gas insulated switchgear |
| 02/04/1999 | DE19734553A1 Mittelspannungs-Schaltanlage mit Sammelschienenraum und Anschlußraum Medium voltage switchgear with busbar compartment and connection compartment |
| 01/28/1999 | WO1999004472A1 Recloser-automatic switch for aerial power lines of the tel series |
| 01/28/1999 | CA2296429A1 Recloser-automatic switch for aerial power lines of the tel series |
| 01/27/1999 | EP0893811A2 A vacuum switch and a vacuum switchgear using the same |
| 01/27/1999 | CN1206215A Vacuum switch and vacuum switch apparatus using the same |
| 01/26/1999 | US5864108 Vacuum switch assembly including housing insulating support |
| 01/26/1999 | US5864107 Switchgear assembly |
| 01/21/1999 | WO1999003181A1 Need-oriented medium voltage switchboard plant |
| 01/14/1999 | DE19730260A1 Bedarfsorientierte Mittelspannungs-Schaltanlage Demand-oriented medium-voltage switchgear |
| 01/13/1999 | EP0891013A1 Electrical interconnection device between two high voltage and gas insulation cells |
| 01/13/1999 | CN1041670C Gas insulated switchgear |
| 01/07/1999 | EP0888657A1 Gas-insulated power transmission system with internal conductors fixed axially at intervals |
| 01/06/1999 | CN1204129A Tank-type surge arrester |
| 12/30/1998 | EP0887823A1 Moisture absorbind device for electrical apparatus using a dielectric gas |
| 12/30/1998 | EP0886901A1 Switchgear device |