| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 04/24/2003 | WO2003034454A1 Clip-on contact |
| 04/24/2003 | US20030076114 Test system for a gas turbine engine control programming plug |
| 04/23/2003 | CN1106654C Three-position switch driving device for electricity supply and distributing switch equipment |
| 04/17/2003 | US20030070908 Electric transfer switch unit |
| 04/16/2003 | EP1302957A1 Low-voltage high-power contact arrangement |
| 04/15/2003 | CA2264917C Grading ring insert assembly |
| 04/03/2003 | WO2003028068A2 Spacer for an insulator assembly |
| 04/03/2003 | WO2003028055A1 Terminal pad for an insulator assembly |
| 04/03/2003 | WO2003028042A1 Base assembly for an insulator assembly |
| 04/03/2003 | WO2003026462A1 Mounting bracket for an insulator assembly |
| 04/03/2003 | US20030062340 Hybrid gas insulation switchgear apparatus |
| 04/01/2003 | US6541717 Locking assembly for a switch assembly |
| 03/27/2003 | US20030057335 Mounting bracket for an insulator assembly |
| 03/27/2003 | US20030057186 Terminal pad for an insulator assembly |
| 03/27/2003 | US20030057074 Contact arrangement for a grounding switch in switchgears which are provided for supplying and distributing power |
| 03/27/2003 | US20030056973 Spacer for an insulator assembly |
| 03/25/2003 | US6538224 Hybrid type gas insulation switch gear apparatus |
| 03/25/2003 | US6538223 Electric transfer switch unit |
| 03/25/2003 | US6538206 Spacer for an insulator assembly |
| 03/19/2003 | EP1292959A1 Vacuum interrupter with two contact systems |
| 03/19/2003 | CN1404088A Insulating switch apparatus |
| 03/18/2003 | US6535097 Transformer system provided with a decoupling system |
| 03/05/2003 | EP1287539A1 Compact disconnect switch |
| 03/04/2003 | US6529009 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 02/26/2003 | CN1399785A Device for controlling closing of power circuit breaker |
| 02/26/2003 | CN1399296A Breaker actuator inserted in detachable rotating parts with linking logic |
| 02/26/2003 | CN1399295A Actuator with conterminal stroke ends for manual switching of breaker |
| 02/25/2003 | US6525274 Base assembly for an insulator assembly |
| 02/20/2003 | US20030034330 Switch-disconnector control unit |
| 02/19/2003 | CN1398417A 断路器 Breaker |
| 02/18/2003 | US6521855 Hybrid gas insulation switchgear apparatus |
| 02/13/2003 | US20030029702 Operating arrangement for mechanism |
| 02/11/2003 | US6518866 Circuit breaker compartment door |
| 02/05/2003 | EP1281223A1 Gas-insulated switchgear apparatus |
| 01/29/2003 | EP1226596B1 Compact-structure three-pole apparatus for electric stations |
| 01/29/2003 | CN2533565Y Non-overhaul outdoor high-tension isolating switch |
| 01/29/2003 | CN2533564Y Isolating switch |
| 01/29/2003 | CN2533563Y Motor isolating switch |
| 01/28/2003 | US6512442 Apparatus for assisting the manipulation of overhead mounted devices by a handling tool |
| 01/15/2003 | CN1391715A Electrical switch with metallic compartmented jacket for positioning disconnectors |
| 01/15/2003 | CN1391246A High voltage switch device with moving bridge contacts |
| 01/14/2003 | WO2002031846A1 Mechanical switching contact |
| 01/14/2003 | US6506993 Drive device for a switching device for medium-voltage switchgear assemblies |
| 01/14/2003 | US6506985 Slide switch including reciprocating to reciprocating movement between actuator assembly and displaced movable contact structure |
| 01/14/2003 | US6506067 Disconnector |
| 01/14/2003 | CA2416279A1 Mechanical switching contact |
| 01/08/2003 | CN2530338Y Isolation and section switch for power |
| 01/03/2003 | WO2003001568A2 Transitional light-emitive member disposed intermediate an elongate member and a tip for operating remote electrical distribution equipment |
| 01/02/2003 | EP1271727A1 Electrical installation apparatus |
| 01/02/2003 | EP1271589A1 Control device for sectionaliser having an end stop for the manual actuation |
| 01/02/2003 | EP1271588A1 Control device for disconnecting switch having an interlocking system implanted in a removable rotary part |
| 01/02/2003 | EP1269499A1 Circuit breaker |
| 01/02/2003 | EP1190428B1 Operating mechanism for autorecloser with series disconnector |
| 01/01/2003 | CN2529373Y Multifunction combined isolation knife switch |
| 12/24/2002 | US6498314 Vacuum switch and vacuum switchgear using the same |
| 12/18/2002 | EP1267374A1 Electrical interrupting device with mouvable contact bridge |
| 12/18/2002 | CN2527007Y Precision positioner for three-position switch movable knife of inflating cabinet |
| 12/17/2002 | US6496016 Semiconductor device for use in evaluating integrated circuit device |
| 12/17/2002 | CA2231304C Insulated type switchgear device |
| 12/12/2002 | US20020186022 Method, system, and recording medium of testing a 1394 interface card |
| 11/26/2002 | US6486428 Quick-release switch with forced opening with improved mounting tolerance |
| 11/21/2002 | US20020173185 Lever fitting type power supply circuit breaking apparatus |
| 11/19/2002 | US6483067 Electrical power distribution switch |
| 11/19/2002 | US6483060 Transitional light-emitive member disposed intermediate an elongate member and a tip for operating remote electrical distribution equipment |
| 11/19/2002 | US6483049 Contact assembly |
| 11/13/2002 | CN1094248C 端子连接装置 Terminal connecting means |
| 11/07/2002 | WO2002089165A1 Polymeric cutout assembly |
| 11/07/2002 | WO2002089164A1 Improvements made to fuse-holder bases |
| 11/07/2002 | DE10119530A1 Hochspannungs-Leistungsschalter für eine druckgasisolierte Schaltanlage High-voltage circuit breaker for a compressed-gas-insulated switchgear |
| 11/06/2002 | EP1254472A1 Contact arrangement for a grounding switch in switchgears which are provided for supplying and distributing power |
| 11/05/2002 | US6476338 Vacuum switch |
| 11/05/2002 | US6474197 Cutout fuse tube installation tool |
| 10/31/2002 | US20020158745 Polymeric cutout assembly |
| 10/30/2002 | EP1253610A2 Adapter for contacting load-break switches on current bus-bars |
| 10/30/2002 | EP1252528A1 Capacitance monitoring systems |
| 10/30/2002 | CN1377508A Non-venting cutout mounted fuse |
| 10/24/2002 | US20020153232 Circuit breaking apparatus |
| 10/24/2002 | DE10120006A1 Adapter for contacting fuse-switch disconnectors on current collecting busbars, has abutment edges arranged mutually parallel on same side of contact end fields |
| 10/24/2002 | DE10119611A1 Sicherungslasttrennschalter in Leistenbauform Switch fuse in-line design |
| 10/23/2002 | EP1251538A2 Narrow three-pole load break switch with fuses |
| 10/23/2002 | EP1251537A2 Load break switch of the strip type with fuses |
| 10/23/2002 | EP1251531A2 Circuit Breaking Apparatus |
| 10/23/2002 | CN2518202Y Protector for preventing earth lead from switched |
| 10/17/2002 | WO2002082481A1 Switching contact arrangement for a power switch |
| 10/17/2002 | US20020149372 Vacuum switch including vacuum-measurement devices, switchgear using the vacuum switch, and operation method thereof |
| 10/16/2002 | EP1249910A2 High voltage switch for a gas insulated switching installation |
| 10/15/2002 | US6466420 High voltage disconnector having a moving contact that is moved at high speed |
| 10/10/2002 | US20020145340 Protecting device |
| 10/10/2002 | DE10211925A1 Circuit breaker apparatus for electric vehicles, has inclined and vertical grooves for receiving driving pins of fixed electrode housing so as to operate relay to open or close main circuit |
| 10/09/2002 | CN2515787Y Mechanical interlocking device of high voltage switch cabinet earthing knife and rear cabinet door |
| 10/08/2002 | US6462639 Fuse cutout with dome top contact and knurled fuseholder cap |
| 10/03/2002 | US20020140534 Breaker apparatus |
| 10/02/2002 | EP1246213A2 Power switch block of size 00 |
| 10/02/2002 | EP1245064A1 Isolator switch |
| 10/02/2002 | EP1245034A1 Device for controlling the closing of a power circuit breaker |
| 10/02/2002 | DE10115103A1 Lastschaltleiste für die Größe 00 Switch disconnectors for size 00 |
| 10/02/2002 | CN2514480Y Double arm type contact assembly for high-voltage isolation switch |
| 10/01/2002 | US6459354 Breaker apparatus |
| 10/01/2002 | US6459353 Housing for fused switch |
| 09/26/2002 | WO2002075966A1 Method and apparatus for optical signal processing using subcarrier multiplexed headers |