| Patents for H01H 31 - Air-break switches for high tension without arc-extinguishing or arc-preventing means (5,099) |
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| 01/28/2009 | EP2018646A1 Switching device, in particular fused interrupters |
| 01/28/2009 | CN201188512Y High voltage cabinet with safety net board |
| 01/28/2009 | CN201188507Y Elevator machinery room interlock electrical distribution box with earth leakage protection |
| 01/28/2009 | CN201188389Y High voltage isolation switch of 10KV |
| 01/28/2009 | CN201188388Y Outdoor high-voltage AC isolation switch electric contact |
| 01/28/2009 | CN101355331A Device for controlling a soft start or stop for AC motors |
| 01/28/2009 | CN101354976A Power isolated switch |
| 01/22/2009 | WO2009010359A2 Arrangement comprising a load interrupter and a grounding switch |
| 01/21/2009 | EP2017865A1 Compact low-voltage disconnecting switch |
| 01/21/2009 | CN201185312Y Automatic switch device for metering electric energy |
| 01/21/2009 | CN201185151Y Electromagnetical general switch for power supply capable of bearing great current of 200A |
| 01/21/2009 | CN101351861A Variable frequency drive system apparatus and method for reduced earth leakage electric current and transistor protection |
| 01/21/2009 | CN101350267A High voltage power anti-incorrect manipulation deadlock lever |
| 01/15/2009 | US20090015991 Gas-Insulated Switchgear Assembly Having An Inspection Window For Visually Detecting The Switching Position Of The Switching Contacts |
| 01/14/2009 | CN201181670Y Accurate positioning three-position switch operation mechanism |
| 01/14/2009 | CN101344127A Sliding column type jaw clutch |
| 01/08/2009 | WO2009005740A1 Additional indicador for dropout fuse |
| 01/07/2009 | CN201178254Y Replacement device of knife brake sensing finger |
| 01/07/2009 | CN201178061Y Intelligent dual-power switching device |
| 01/07/2009 | CN201178060Y Indoor high-voltage rotary separation switch |
| 01/07/2009 | CN100449666C Fixed contact bending moment self-balancing unit for extra-high-voltage isolation switch |
| 01/02/2009 | DE102007043137B3 Lasttrennschalter Switch disconnectors |
| 12/31/2008 | EP1292959B1 Vacuum interrupter with two contact systems |
| 12/31/2008 | CN201174350Y High-voltage grounding switch |
| 12/31/2008 | CN201174349Y Contact structure separating switch touching knife and stationary contact |
| 12/31/2008 | CN201174348Y High-voltage detection type earthing knife switch |
| 12/31/2008 | CN201174329Y Remote controlled locking device |
| 12/31/2008 | CN100447925C Switch-on and switch-off device for outdoor high-voltage isolation switch |
| 12/25/2008 | US20080314724 High Voltage Switch Configuration |
| 12/24/2008 | WO2008156391A1 Rf switch device |
| 12/24/2008 | CN201171011Y Mechanical interlock for isolation switch and ground switch |
| 12/24/2008 | CN201171000Y Device for mounting and dismounting stationary contact finger of high voltage isolating switch |
| 12/23/2008 | CA2382162C Non-venting cutout mounted fuse |
| 12/17/2008 | CN201167057Y Tri-pillar type vertical deciliter isolation switch |
| 12/17/2008 | CN201167056Y Electrically-operated DC-AC combined doublethrow conversion insulated ground switch |
| 12/17/2008 | CN201167038Y Mechanical program lock for a box-type transformer substation |
| 12/17/2008 | CN101326604A Ground disconnect switch and method for making same |
| 12/10/2008 | CN201163589Y Rack-and-pinion type isolation switch |
| 12/10/2008 | CN201163588Y Three-column horizontal rotation type isolation switch |
| 12/10/2008 | CN201163577Y Two-stage worm and gear speed reduction motor operation mechanism |
| 12/10/2008 | CN101320649A 35kV outdoor AC isolation switch |
| 12/10/2008 | CN101320648A Air insulated isolation switch device |
| 12/10/2008 | CN101320647A Composite perpendicular isolating switch with fast ground switch |
| 12/09/2008 | US7463959 Cellular phone configured with off-board device capabilities and starter/charger and battery testing capabilities |
| 12/03/2008 | EP1554740A4 Make-before-break selector switch |
| 12/03/2008 | CN201160035Y Five-prevention lock code reading control device of electric transformer and switching |
| 12/03/2008 | CN101315848A Double-column horizontal rotation type high-voltage isolation switch |
| 12/02/2008 | CA2461646C Terminal pad for an insulator assembly |
| 11/26/2008 | CN201156494Y Uni-pillar vertical telescopic outdoor high-voltage AC isolation switch |
| 11/26/2008 | CN201156493Y High-voltage AC isolation switch |
| 11/26/2008 | CN201156492Y Combined high-voltage grounding switch |
| 11/26/2008 | CN100437871C Composite insulator for fuse cutout |
| 11/25/2008 | US7457105 Vacuum switchgear system and kit for system |
| 11/20/2008 | DE102007038898B3 Schalteranordnung für eine Schaltanlage Switch arrangement for a switchgear |
| 11/20/2008 | DE102007023273A1 Leistungstrennschalter für ein Kraftfahrzeug Isolating switch for a motor vehicle |
| 11/20/2008 | DE102007023234A1 Leistungstrennschalter für ein Kraftfahrzeug Isolating switch for a motor vehicle |
| 11/19/2008 | EP1993116A1 Power switch block with fuses |
| 11/19/2008 | EP1991999A1 Electrical switching device |
| 11/19/2008 | CN201153085Y Electricity conductive tube for high-voltage switchgear assembly and electric connection device for the tube |
| 11/19/2008 | CN201153084Y Electricity connecting apparatus for high-voltage switch apparatus |
| 11/19/2008 | CN101308742A Cylinder typed isolation switch combining ultra-high voltage and low energy |
| 11/19/2008 | CN101308741A Bipolar isolation switch of railway traffic |
| 11/19/2008 | CN101308740A Electrical control apparatus for bipolar isolation switch of railway traffic |
| 11/19/2008 | CN101308733A Electric operating mechanism of outdoor AC high-voltage segregate switch |
| 11/19/2008 | CN101308732A Electric connection apparatus for high-voltage isolating switch |
| 11/13/2008 | WO2008134996A1 Method for influencing devices of a high-voltage system |
| 11/12/2008 | CN201149957Y Fusing type combined power case |
| 11/12/2008 | CN201149834Y Intelligent mechanical lock apparatus for novel 10 kV gas-filling cabinet |
| 11/12/2008 | CN101304164A Installation apparatus for 35Kv isolating switch controlling mechanism |
| 11/12/2008 | CN100433215C Installation auxiliary device for large power isolator operating mechanism |
| 11/05/2008 | CN201146146Y Isolating switch for switching loop in indoor 12 kV distribution system |
| 11/05/2008 | CN201146145Y Structure for assembling conductive rod and casing of isolating switch |
| 10/30/2008 | DE102004015386B4 Mechanische Steuerung für einen Dreistellungsschalter Mechanical control for a three-position switch |
| 10/29/2008 | CN201142295Y Miniature rotary isolation switch |
| 10/29/2008 | CN201142294Y Indoor high-voltage grounding switch |
| 10/29/2008 | CN201142293Y Interlocked operation mechanism |
| 10/29/2008 | CN201142281Y Arc strike device of high-voltage isolation switch |
| 10/29/2008 | CN201141887Y Sensor for live-wire display of movable metal-enclosed high-voltage switch assembly |
| 10/29/2008 | CN100429735C Pull-out high current switch |
| 10/22/2008 | CN201138633Y Contact cooperating construction for contact finger and contact terminal of isolation switch |
| 10/22/2008 | CN201138632Y Crank angle positioning apparatus for isolation switch |
| 10/22/2008 | CN201138631Y Crank operating construction by main shaft for rotary isolating switches |
| 10/22/2008 | CN201138630Y Contact knife of indoor high-voltage isolating switch |
| 10/22/2008 | CN201138629Y Fixing construction of dynamic contact knife of insulation switch |
| 10/22/2008 | CN201138628Y Novel construction of outdoor high-voltage isolating switch |
| 10/22/2008 | CN101290845A Fasten type high-voltage isolation switch |
| 10/16/2008 | DE102007043143B3 Lasttrennschalter Switch disconnectors |
| 10/15/2008 | CN201134641Y GW type knife brake fast fixing and examining stent |
| 10/15/2008 | CN201134385Y Shaft block of outdoor high-voltage isolating switch |
| 10/15/2008 | CN201134364Y Conductive connecting mechanism of outdoor high-voltage isolating switch |
| 10/08/2008 | EP1977437A1 Contact system for a short-circuiting device in a medium-voltage or high-voltage switchboard plant |
| 10/08/2008 | CN201130623Y Isolating switch |
| 10/08/2008 | CN201130622Y Switch composite fork spreader |
| 10/08/2008 | CN201130621Y Connection assembling structure for ground switch earthing knife |
| 10/07/2008 | US7432465 Switching device with a disconnection and/or grounding function |
| 10/02/2008 | US20080238665 Sensory feedback systems for non-contact electrical switches |
| 10/01/2008 | EP1974358A1 A disconnector and a support insulator therefor |
| 10/01/2008 | CN201126791Y Electric connection device of outdoor high-voltage isolating switch |
| 10/01/2008 | CN201126790Y Fixed contact apparatus of high voltage earthed switch |
| 10/01/2008 | CN201126789Y Three-station insulating/earthed switch for high voltage electric apparatus |