| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 06/18/2013 | US8466690 High voltage insulation monitoring sensor |
| 06/12/2013 | EP2601662A1 Drive for a switch disconnector with c o switching capacity |
| 06/12/2013 | CN202996681U High-voltage isolation switch for electric locomotive |
| 06/12/2013 | CN202996680U Isolation switch with 'earlier-on and later-off' arc contact |
| 06/12/2013 | CN202996679U Disconnecting link mechanism used in disconnecting switch |
| 06/12/2013 | CN202996678U Detachable disconnecting switch |
| 06/12/2013 | CN202996677U High voltage isolator with integrated contact finger contactor |
| 06/12/2013 | CN202996676U Grounding switch large shaft bracket |
| 06/12/2013 | CN103151212A Loop self-locking load switch |
| 06/11/2013 | US8461724 Universal control system with universal interface to operate a plurality of devices |
| 06/06/2013 | WO2013079381A1 Switching device |
| 06/06/2013 | WO2013079354A1 Earth switch for a gas-insulated medium- or high-voltage system |
| 06/05/2013 | CN202977980U Switch cabinet |
| 06/05/2013 | CN202977979U Switch cabinet |
| 06/05/2013 | CN202977286U High-voltage isolator and earthing switch automatic mechanical caging structure |
| 06/05/2013 | CN202977285U High voltage isolating switch capable of being stably locked |
| 06/05/2013 | CN202977284U Isolating switch anti-misoperation device |
| 06/05/2013 | CN202977283U Single-hole operated three-position high-voltage isolator self-locking mechanism |
| 06/05/2013 | CN202977282U Disconnecting switch for carrier wave communication |
| 06/05/2013 | CN202977281U High-voltage isolation switch with good conductivity |
| 06/05/2013 | CN202977280U High-voltage isolation switch with property of convenient switching out |
| 06/05/2013 | CN202971599U High-voltage isolating switch bearing base |
| 06/05/2013 | CN103138199A Gas-insulated switchgear |
| 06/05/2013 | CN103137378A Alternating current high voltage isolation switch |
| 06/05/2013 | CN103137377A Fuse isolation switch |
| 06/05/2013 | CN103137376A Solid insulating isolator switch |
| 06/05/2013 | CN103137375A DC (direct current) disconnecting switch |
| 06/05/2013 | CN103137374A High-voltage isolator |
| 06/05/2013 | CN103137373A Disconnecting switch |
| 06/05/2013 | CN103137372A Protective cover of isolating switch |
| 06/05/2013 | CN103137371A Earthing switch device |
| 05/29/2013 | EP2597662A1 Earth switch for gas-isolated medium or high voltage assembly |
| 05/29/2013 | CN202957184U Three-station switch spring operating mechanism |
| 05/29/2013 | CN202957183U Insulator for isolating switch |
| 05/29/2013 | CN202957182U Closing degree indicating device of outdoor alternating-current high-voltage isolator |
| 05/29/2013 | CN202957181U Three-station operation device for inflatable cabinet |
| 05/29/2013 | CN101896986B Disconnector for a switching device |
| 05/28/2013 | US8451010 Coupon board and manufacturing method of printed board |
| 05/22/2013 | EP2593950A1 Disconnector, particularly of the double-break double-movement type |
| 05/22/2013 | CN202948870U Isolating switch support |
| 05/22/2013 | CN103117187A Single-pole double throw rotation type indoor high-voltage isolating switch |
| 05/22/2013 | CN103117186A Insulating support for preventing fracture of porcelain insulator of isolating switch |
| 05/21/2013 | US8446154 Methods and systems for quantifying degradation of wiring insulation |
| 05/16/2013 | US20130118874 Disconnector, particularly of the double-break double-movement type |
| 05/15/2013 | CN202940172U Single-pole double-throw rotary indoor high-voltage isolation switch |
| 05/15/2013 | CN202940171U Earth switch interlocking device applied to high-voltage switchgear |
| 05/15/2013 | CN202940170U Electric operation apparatus for grounding switch of high-voltage switch cabinet |
| 05/15/2013 | CN202940169U Solid-sealed insulating part |
| 05/15/2013 | CN202940168U Isolating switch |
| 05/15/2013 | CN202940164U Isolating switch blade base rain-proof device |
| 05/15/2013 | CN103107040A Earthing switch for 10 kilovolts (KV) capacitor whole set cabinet |
| 05/15/2013 | CN102025118B Gas insulating switch device |
| 05/14/2013 | US8441151 Power supply with arc flash protection mechanism and data-processing system employing same |
| 05/08/2013 | CN202930300U Closed type high voltage isolator |
| 05/08/2013 | CN202930299U Rotating shaft for indoor high voltage rotation type isolation switch |
| 05/08/2013 | CN202930298U Isolation switch manual operation tool of 35kV composite apparatus |
| 05/08/2013 | CN202930297U Isolation switch anti-corrosion bird resistance apparatus |
| 05/08/2013 | CN202930296U Main conductive tube of megavolt disconnector |
| 05/08/2013 | CN103098164A Disconnector, particularly of the double-break double-movement type |
| 05/07/2013 | CA2502806C Telescopic switch |
| 05/02/2013 | WO2013060675A1 Electrical switching device at a junction point between two parts of a network |
| 05/02/2013 | WO2013026518A8 Drive apparatus for a multi-position switch |
| 05/01/2013 | CN202917375U Sealing mechanism and operating tool of grounding disconnecting link mechanical lock releasing apparatus |
| 05/01/2013 | CN202917374U Single-phase mechanical linking mechanism |
| 05/01/2013 | CN202917373U Transmission device for multi-station opening-closing single-phase and three-phase mechanical linkage |
| 05/01/2013 | CN202917372U Interlocking device for interlocking grounding switch and door |
| 05/01/2013 | CN202917371U Earth switch device for high voltage loop grid cabinet |
| 05/01/2013 | CN202917370U Three-position isolation and earthing switch of gas insulated metal-enclosed switchgear |
| 05/01/2013 | CN202917336U A screwed dedicated pull rod head |
| 05/01/2013 | CN103077844A Switch cabinet earthing switch main shaft operating mechanism |
| 05/01/2013 | CN103077843A Outdoor alternating current high-voltage isolation switch |
| 04/24/2013 | CN202905567U Isolation switch lock |
| 04/24/2013 | CN202905566U Insulated crossarm disconnecting switch |
| 04/24/2013 | CN202905565U Isolation switch on outdoor column |
| 04/24/2013 | CN103069521A Power source circuit cutoff device |
| 04/24/2013 | CN103065858A High pressure resistant load leading-out end structure and sealing-in craft based on metal ceramic |
| 04/24/2013 | CN103065857A Carrier wave communication purpose disconnecting switch |
| 04/24/2013 | CN103065856A 27.5KV indoor integration electric isolating switch |
| 04/24/2013 | CN103065855A High-tension switch cabinet earthing switch electric operating device |
| 04/24/2013 | CN103065854A Solid insulation isolating switch |
| 04/23/2013 | US8427013 Power supply circuit and electronic device |
| 04/18/2013 | WO2013054924A1 Disconnector |
| 04/18/2013 | US20130092517 Lightweight Conductor For Electrical Equipment And Electrical Equipment Including At Least One Such Conductor |
| 04/18/2013 | DE102004054360B4 Elektrische Steckverbinderkupplung mit Schaltfunktion The electrical connector coupling with switching function |
| 04/18/2013 | CA2792263A1 A lightweight conductor for electrical equipment and electrical equipment including at least one such conductor |
| 04/17/2013 | EP2581923A1 Mounting member for a contact of an isolation switch in a current distribution cell |
| 04/17/2013 | CN202888050U Lower door interlocking mechanism for centrally-mounted switch device |
| 04/17/2013 | CN202888049U Type JN15-315 grounding switch |
| 04/17/2013 | CN103050325A Pole component of solid insulation switch equipment |
| 04/17/2013 | CN103050318A Earth switch interlocking mechanism |
| 04/17/2013 | CN103050317A Wiring device on fuse type disconnecting switch |
| 04/17/2013 | CN102110956B Novel solid insulated switch |
| 04/17/2013 | CN102034639B Outdoor high-voltage AC three-pole double-earthing isolating switch |
| 04/10/2013 | CN202871670U Interlocked operating mechanism of isolation switch box |
| 04/10/2013 | CN202871669U Novel high-voltage disconnecting switch side cover plate |
| 04/10/2013 | CN202871668U Three-position switch for combined electric appliance |
| 04/10/2013 | CN202871667U Anti-slip structure for pull-bar ring hoop of outdoor isolation switch |
| 04/10/2013 | CN202871666U Isolating switch integrated crosslinking support/operation transition pair |
| 04/10/2013 | CN202871665U High-voltage isolation/grounding switch device |
| 04/09/2013 | US8415836 Microcomputer system |