| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 01/28/2004 | EP1385243A2 Disconnecting switch |
| 01/28/2004 | CN1471208A 开关装置 Switching device |
| 01/28/2004 | CN1136595C Arcing switch device |
| 01/28/2004 | CN1136594C Multi-pole breaker assembly |
| 01/27/2004 | US6683460 Test device for internet and telephone lines |
| 01/22/2004 | US20040012475 Mounting for circuit interrupter |
| 01/20/2004 | US6680453 Gas insulated switchgear |
| 01/08/2004 | US20040004530 Compact disconnect switch |
| 01/07/2004 | CN2598120Y Isolative switch mated with vacuum circuit breaker on column |
| 01/06/2004 | US6674027 Operating arrangement for mechanism |
| 01/02/2004 | EP1374264A1 Switching contact arrangement for a power switch |
| 12/24/2003 | WO2003107373A1 Composite insulator for fuse cutout |
| 12/24/2003 | CN2594957Y Separated switch devices |
| 12/24/2003 | CN1132211C Switching device |
| 12/24/2003 | CN1132210C Power mains braker |
| 12/24/2003 | CA2494261A1 Composite insulator for fuse cutout |
| 12/18/2003 | US20030231097 Composite insulator for fuse cutout |
| 12/18/2003 | US20030230553 Vacuum switch |
| 12/17/2003 | CN2593421Y Outdoor high-voltage air-insulated combined electric appliance |
| 12/11/2003 | DE10224450C1 Trennschalter zur galvanischen Trennung von Stromschienen mit Kontaktreinigung Disconnect switch for electrical isolation of busbars with contact cleaner |
| 12/10/2003 | EP1369884A1 Disconnector for the galvanic isolation of conductor rails with contact cleaning |
| 12/10/2003 | CN2591754Y AC high voltage gas production loading switch with impact release fuse |
| 12/09/2003 | US6660955 Electric switch having a compartmentalized metal case for receiving disconnectors |
| 12/03/2003 | CN2590156Y Interlocking apparatus for electricity switch cabinet ground knife operation end |
| 11/26/2003 | CN2588515Y Contact for high-voltage isolation switch |
| 11/25/2003 | US6653918 Operating mechanism for autorecloser with series disconnector |
| 11/20/2003 | WO2003096504A1 Switching installation provided with an electrically insulating barrier |
| 11/20/2003 | US20030213681 Operating arrangement for mechanism |
| 11/20/2003 | CA2485161A1 Switching installation provided with an electrically insulating barrier |
| 11/18/2003 | US6649932 Electrical print resolution test die |
| 11/13/2003 | US20030210058 Electrical print resolution test die |
| 11/13/2003 | DE10205334C1 Elektrische Schaltanordnung mit einem ersten Schaltkontakt und mit einem zweiten Schaltkondakt Electrical switching arrangement having a first switch contact and with a second Schaltkondakt |
| 11/12/2003 | EP1361633A2 Gas insulated switchgear |
| 11/12/2003 | EP1360709A1 Switching contact arrangement |
| 11/06/2003 | WO2003092027A1 Fuse cutout with improved dropout performance |
| 11/04/2003 | US6642464 Method for operating remote electrical distribution equipment with transitional light-emitive member disposed intermediate an elongate member and a tool |
| 10/30/2003 | US20030201782 Test device for internet and telephone lines |
| 10/29/2003 | CN2583799Y Sulfur hexafluoride fuse tripgear |
| 10/29/2003 | CN2583798Y Linked high voltage isolated switch |
| 10/29/2003 | CN2583797Y Rotary high voltage isolated switch |
| 10/29/2003 | CN2583796Y Integrated multipower supply change-over isolated switch group |
| 10/29/2003 | CN2583795Y Outdoor high voltage isolated switch |
| 10/29/2003 | CN1452198A 真空开关 Vacuum switch |
| 10/29/2003 | CN1452197A 真空开关 Vacuum switch |
| 10/29/2003 | CN1452196A Shielded DC breaker |
| 10/29/2003 | CN1126131C Handling device for electrical line sections able to establish current and provide protection against high fault currents |
| 10/22/2003 | EP1355337A2 Vacuum switch |
| 10/22/2003 | EP1355336A2 Vacuum switch |
| 10/16/2003 | US20030192860 Vacuum switch |
| 10/15/2003 | CN2580590Y Indoor insulation switch with insulation partition between break-mouth |
| 10/09/2003 | US20030191693 System and method for conducting an advertising business |
| 10/08/2003 | CN2578955Y Operational mechanism of three position switch |
| 10/08/2003 | CN1447078A Improved temp control equipment and safe electric connector of electric water heaters and electrolthemal kettles |
| 10/02/2003 | US20030186473 Electrical print resolution test die |
| 10/01/2003 | CN2577427Y Combined electric appliance of high-voltage circuit breaker-isolating switch |
| 10/01/2003 | CN1123020C Step switch with selector |
| 09/24/2003 | CN2575832Y Sealing electric ingot change-over switch |
| 09/24/2003 | CN2575831Y Grounding fault circuit breaker with back wiring protection function |
| 09/10/2003 | EP1343086A2 Abnormality Detection Apparatus of Comparator |
| 09/10/2003 | CN2572539Y Outdoor high voltage isolating switch |
| 09/10/2003 | CN2572536Y Energy-saving dc bus type current knife switch |
| 09/04/2003 | WO1996023336A9 Air insulated switchgear with operating device for effect circuit breaker |
| 09/03/2003 | CN2570960Y High-voltage grounding switch |
| 08/27/2003 | CN2569385Y Top separated middle placed high voltage switch cabinet |
| 08/14/2003 | DE20308020U1 Connector piece for current collector rail for electrical equipment has base part with bore for fastening screw and cylindrical projections with bores for screws holding strip connectors |
| 08/12/2003 | US6605948 Test system for a gas turbine engine control programming plug |
| 08/12/2003 | US6605788 Air-insulated high-voltage disconnector |
| 08/05/2003 | US6603087 Switch-disconnector control unit |
| 07/24/2003 | WO2003028055B1 Terminal pad for an insulator assembly |
| 07/24/2003 | WO2003026462B1 Mounting bracket for an insulator assembly |
| 07/23/2003 | CN2562338Y High voltage separating switch |
| 07/22/2003 | US6595477 Mounting bracket for an insulator assembly |
| 07/15/2003 | US6593842 Polymeric cutout assembly |
| 07/10/2003 | WO2003056590A1 Medium voltage motor control center arc resistant enclosure |
| 07/10/2003 | US20030128038 Capacitance monitoring systems |
| 07/09/2003 | EP1325506A1 Mechanical switching contact |
| 06/26/2003 | US20030119344 Medium voltage motor control center load discharge device |
| 06/26/2003 | US20030117045 Medium voltage motor control center arc resistant enclosure |
| 06/25/2003 | EP0882300B1 Interlock arrangement for stationary mounted circuit breakers |
| 06/25/2003 | CN1426144A Switch device and receptive adaptive device using said switch equipment |
| 06/24/2003 | US6583708 Fuse cutout with integrated link break lever and fuse link ejector |
| 06/19/2003 | US20030112574 Switchgear and receiving transformation apparatus using the same |
| 06/18/2003 | CN2556774Y Heavy-current charged cable clamp |
| 06/18/2003 | CN2556769Y Driving device of electric operating mechanism for isolator |
| 06/18/2003 | CN1424735A Outdoor high-voltage separating switch |
| 06/17/2003 | US6580040 Breaker device |
| 06/12/2003 | DE20305939U1 Clamps for countercontacts for HV pantograph circuit breakers with tubular busbar |
| 06/05/2003 | US20030102205 Mechanical switching contact |
| 06/04/2003 | EP1316098A1 Fuse cutout with mechanical assist |
| 05/28/2003 | EP1245034B1 Device for controlling the closing of a power circuit breaker |
| 05/28/2003 | DE10150992C1 Zangenkontakt Pliers Contact |
| 05/27/2003 | US6570117 Air-insulated high-voltage disconnector |
| 05/22/2003 | US20030094438 Vacuum interrupter with two contact systems |
| 05/15/2003 | US20030089683 Circuit breaker |
| 05/14/2003 | CN2550891Y High voltage straight moving isolation switch |
| 05/07/2003 | EP0962023B1 Grading ring insert assembly |
| 05/07/2003 | CN2549579Y Interlocking mechanism of high-voltage switch apparatus |
| 05/07/2003 | CN1416586A Vacuum interrupter with two contact sysems |
| 05/06/2003 | US6559394 Air circuit breaker |
| 05/02/2003 | EP1306867A1 Improvements made to fuse-holder bases |