| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 09/26/2002 | WO2002067394A3 Gas insulated switchgear |
| 09/26/2002 | US20020134756 Vacuum switch and vacuum switchgear using the same |
| 09/25/2002 | CN1091540C Fixing terminal and electric connection module for plug-in circuit breaker |
| 09/24/2002 | US6456187 Breaker apparatus |
| 09/24/2002 | US6453776 Separable loadbreak connector flashover inhibiting cuff venting tool |
| 09/19/2002 | US20020131114 Method and apparatus for optical signal processing using subcarrier multiplexed headers |
| 09/19/2002 | US20020129678 Separable loadbreak connector flashover inhibiting cuff venting tool |
| 09/18/2002 | CN2512099Y Linked lock against mistaking ground operation of switch cabinet |
| 09/11/2002 | CN2510979Y Fault-operation mechanical interlocking device for air-inflating cabinet |
| 09/11/2002 | CN1368771A Gas insulating switch device |
| 09/10/2002 | US6448881 Manually operated actuating device and method |
| 09/04/2002 | CN2509699Y Three-station high voltage rotary isolating switch |
| 09/03/2002 | US6445569 Gas-insulated switchgear |
| 08/29/2002 | WO2002067394A2 Gas insulated switchgear |
| 08/28/2002 | EP1155428B1 Drive device for a switching device, especially for earthing switches of medium-voltage switchgear |
| 08/22/2002 | WO2002065494A1 Switching contact arrangement |
| 08/21/2002 | CN2507121Y 大电流桥式隔离器 High current bridge isolators |
| 08/21/2002 | CN1365130A Air insualtion high voltage breaker |
| 08/21/2002 | CN1365129A Air insualtion high voltage breaker |
| 08/08/2002 | US20020104827 Gas insulated switchgear |
| 08/07/2002 | EP1127362B1 Quick-release switch with forced opening with improved mounting tolerance |
| 08/07/2002 | CN1362718A 空气断路器 Air Circuit Breakers |
| 08/01/2002 | WO2002060027A1 Gas-insulated switchgear |
| 07/31/2002 | EP1226641A1 Electrical switch with a metallic compartmented jacket for positioning disconnectors |
| 07/31/2002 | EP1226596A1 Compact-structure three-pole apparatus for electric stations |
| 07/30/2002 | US6426627 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 07/25/2002 | US20020096419 Breaker device |
| 07/24/2002 | CN1360325A 空气断路器 Air Circuit Breakers |
| 07/18/2002 | US20020092828 Air-insulated high-voltage disconnector |
| 07/18/2002 | US20020092741 Air-insulated high-voltage disconnector |
| 07/17/2002 | EP1223596A1 Air insulated high tension isolating switch |
| 07/17/2002 | EP1223595A1 Air insulated high tension isolating switch |
| 07/03/2002 | CN1357152A Operating mechanism for autorecloser with series disconnector |
| 07/03/2002 | CN1087097C Sealing appts. for breaker and its mfg. method |
| 07/02/2002 | CA2065900C Locking arrangement for disconnect switch |
| 06/27/2002 | US20020079995 Air circuit breaker |
| 06/27/2002 | US20020079201 Air circuit breaker |
| 06/20/2002 | DE10062644C1 Holder for inductive current transducer has metallic sleeve fitting through holding element inserted between fuse or load switch and inductive current transducer |
| 06/19/2002 | EP1214730A1 Non-venting cutout mounted fuse |
| 06/19/2002 | CN2496126Y Protecting phase-sequence casing for high-voltage switch |
| 06/18/2002 | CA2264608C Vertical antitracking skirts |
| 06/13/2002 | DE10030670C2 Vakuumschaltröhre mit zwei Kontaktsystemen Vacuum interrupter with two contact systems |
| 06/06/2002 | US20020066654 Breaker device |
| 06/06/2002 | DE10059698A1 Apparatus for receiving low voltage fuses having an insert and guide structure |
| 06/05/2002 | CN2494555Y Outdoor high-voltage isolating switch |
| 06/04/2002 | US6400244 Control apparatus for electrical switchgear |
| 05/29/2002 | CN1351398A Air isolating switch device |
| 05/21/2002 | US6392526 Fuse cutout with mechanical assist |
| 05/16/2002 | US20020056704 Hybrid type gas insulation switch gear apparatus |
| 05/16/2002 | DE10055035A1 Fused load breaker switch has vertical contact pieces and fuse holder and horizontal operating slider with double roller switch contacts |
| 05/15/2002 | EP1205957A2 Switch-disconnector control unit |
| 05/15/2002 | CN1084920C Circuit breaker compartment door |
| 05/08/2002 | EP1204129A2 Protection device for a switchgear |
| 05/08/2002 | DE10054832A1 Schutzvorrichtung für ein in eine Schaltanlage einsetzbares Schaltgerät A protective device for a deployable in a switchgear switching device |
| 05/02/2002 | US20020051336 Gas-insulated switchgear |
| 05/02/2002 | EP1202417A2 Gas-insulated switchgear |
| 05/02/2002 | DE10050821C1 Mechanischer Schaltkontakt Mechanical switch contact |
| 05/01/2002 | CN1084039C Insulation-type switch device |
| 04/25/2002 | DE10027519C2 Trennschaltereinrichtung mit geringem Platzbedarf Circuit breaker device with a small footprint |
| 04/24/2002 | EP1199732A2 Locking device for switch blade |
| 04/18/2002 | US20020043516 Vacuum switch and vacuum switchgear using the same |
| 04/18/2002 | US20020043515 Vacuum switch and vacuum switchgear using the same |
| 04/18/2002 | DE10047566A1 Blocking device for supply system isolating blade has element for transferring blocking force directly from contact arrangement to isolating blade in event of short circuit |
| 04/17/2002 | EP1105894B1 Switching device for connecting and disconnecting or connecting track sections to the ground in catenary systems |
| 04/17/2002 | CN1345079A 断路器 Breaker |
| 04/10/2002 | EP1105896B1 Step switch with selector |
| 04/03/2002 | CN2484631Y Hanger special for isolation switch |
| 04/03/2002 | CN2484629Y Motor operation mechanism for high-voltage isolating switch |
| 04/02/2002 | US6366449 Power supply shut-off apparatus |
| 03/27/2002 | EP1190428A1 Operating mechanism for autorecloser with series disconnector |
| 03/27/2002 | CN1341943A 开关 Switch |
| 03/26/2002 | US6362444 Gas insulating switchgear |
| 03/13/2002 | EP1187157A1 Disconnecting switch |
| 03/13/2002 | CN2482206Y Isolating switch |
| 03/07/2002 | US20020028594 Disconnector |
| 02/28/2002 | US20020023897 Hybrid gas insulation switchgear apparatus |
| 02/27/2002 | CN1338110A Actuator of power load-break switch |
| 02/27/2002 | CN1337657A Electronic apparatus, its support device and monitorying apparatus and electronic apparatus fitted with same |
| 02/26/2002 | US6350958 Manually operated actuating device and method |
| 02/21/2002 | WO2002015212A1 Bases for cutout circuits and method for the production thereof |
| 02/21/2002 | US20020021226 Electrical apparatus comprising a monitoring device, support and monitoring device for such an apparatus, and electrical installation incorporating them |
| 02/20/2002 | EP1066643B1 High voltage system having at least one device for optically detecting a parameter |
| 02/20/2002 | CN1337052A Switch gear |
| 02/20/2002 | CN1336708A Composite and gas-insulated switching arrangement |
| 02/20/2002 | CN1336707A Compoiste and gas insulated switching arrangement |
| 02/13/2002 | EP1179830A1 Mechanical actuator for three-position switch |
| 02/13/2002 | EP1179827A1 Electrical apparatus comprising a controlling device, a support and surveillance device for such an apparatus, and their electric installation |
| 01/23/2002 | EP1174968A1 High voltage switchgear |
| 01/23/2002 | EP1174894A1 Isolator with contact knife and locking system using the passing of a dead point |
| 01/16/2002 | EP1172892A1 A joint connector and electrical joining assembly beetween a busbar system and at least one conductive cable |
| 01/16/2002 | CN2472334Y Isolating switch-circuit breaker assembly |
| 01/16/2002 | CN2472326Y Electric activating mechanism for high voltage insulative switch |
| 01/14/2002 | CA2353177A1 Fuse cutout with integrated link break lever and fuse link ejector |
| 01/14/2002 | CA2353011A1 Fuse cutout with dome top contact and knurled fuseholder cap |
| 01/10/2002 | DE10030670A1 Vakuumschaltröhre mit zwei Kontaktsystemen Vacuum interrupter with two contact systems |
| 01/08/2002 | US6337448 Circuit breaker |
| 01/03/2002 | DE10027519A1 Trennschaltereinrichtung mit geringem Platzbedarf Circuit breaker device with a small footprint |
| 01/02/2002 | EP1068624B1 Encapsulating module with a three-position switch integrated into a current path for a gas-insulated switchgear installation |
| 01/02/2002 | CN2469538Y Insulation cover of isolating switch |
| 01/01/2002 | US6335502 Vacuum switch and vacuum switch gear using the vacuum switch |