| Patents for H02G 7 - Overhead installations of electric lines or cables (6,956) |
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| 08/05/2009 | CN201286000Y Support frame |
| 08/05/2009 | CN101499635A Novel process for cleaning covering ice and snow by laser and laser deicing machine |
| 08/05/2009 | CN101499333A Electric wire and cable capable of preventing ice and snow |
| 08/05/2009 | CN101499332A Anti-ice coating wire for power transmission and distribution |
| 08/05/2009 | CN100523417C Pull wire mounting tool and its method |
| 08/04/2009 | US7569769 Damper assembly staking system |
| 07/31/2009 | CA2631910A1 Electric cable and insulator self-locking system, and method of installation thereof |
| 07/31/2009 | CA2620970A1 Portable manipulator for working on live power lines |
| 07/29/2009 | CN201282318Y Cable deicer |
| 07/29/2009 | CN201282317Y Large-capacity DC thawing apparatus |
| 07/29/2009 | CN201282316Y Eight-abruption conductor spacer and kit for matching compact transmission line interphase conductor spacer |
| 07/29/2009 | CN201282315Y Scarer for transmission line |
| 07/29/2009 | CN101494367A Automatic de-icing machine for remote high-voltage transmission line |
| 07/29/2009 | CN101494360A Live conductor stringing and splicing method and apparatus |
| 07/22/2009 | CN201278452Y Support frame |
| 07/22/2009 | CN201278451Y Distance regulating clip |
| 07/22/2009 | CN201278450Y Clip head for bowel plate |
| 07/22/2009 | CN201278449Y Inter-phase spacing rod |
| 07/22/2009 | CN201278448Y Device for ejecting fowl |
| 07/15/2009 | CN201274399Y DC great current deicing apparatus with static state reactive compensation function |
| 07/15/2009 | CN201274398Y Glass fiber cross-arm for transferring circuit |
| 07/15/2009 | CN101483330A Microwave hot vapor de-icing apparatus and de-icing method |
| 07/15/2009 | CN101483326A Live conductor stringing and splicing method and apparatus |
| 07/15/2009 | CN101483325A Live conductor stringing and splicing method and apparatus |
| 07/15/2009 | CN101483324A Live conductor stringing and splicing method and apparatus |
| 07/08/2009 | CN201270402Y Ice and snow cleaning apparatus for electric power line |
| 07/08/2009 | CN201270401Y Macromolecular alloy buffering type light conductor spacer |
| 07/08/2009 | CN201270400Y Highly energy saving tension resistant wire clip of macromolecular alloy |
| 07/08/2009 | CN101478136A Microwave de-icing apparatus and de-icing method for electric power facilities |
| 07/08/2009 | CN101478135A De-icing device for electric wire |
| 07/08/2009 | CN101478134A Charger for automatically recognizing battery |
| 07/08/2009 | CN101478133A Icing jump simulation experiment method for power transmission line |
| 07/08/2009 | CN100511900C DC power guiding transmission deicing operation method |
| 07/08/2009 | CN100511899C AC line-feeding deicing connection plan for current-exchanging station |
| 07/01/2009 | CN201266821Y Wire clamp for clamping shockproof hammer |
| 07/01/2009 | CN201266820Y Composite silicium high energy-saving environment protection quakeproof hammer |
| 07/01/2009 | CN201266819Y Damping spacing bar for ultrahigh voltage DC transmission line |
| 07/01/2009 | CN201266818Y Macromolecule alloy high energy-saving suspension clamp |
| 07/01/2009 | CN201266817Y Cable anti-theft card |
| 07/01/2009 | CN201266816Y Adjustable strain clamp |
| 07/01/2009 | CN201266815Y Bird protection for power transmission line |
| 07/01/2009 | CN100508318C A connection fastener for power grid line insulator and lead |
| 06/24/2009 | CN201263076Y De-icing device for high-voltage line |
| 06/24/2009 | CN201263075Y Cable fibulae for resisting snow |
| 06/24/2009 | CN201263074Y Novel carbon fibre composite energy-saving suspension clamp |
| 06/24/2009 | CN101465532A Circuit for DC sleet melting AC line |
| 06/24/2009 | CN101465531A High-frequency de-icing method for high-voltage transmission line |
| 06/17/2009 | EP2070861A1 Power supplying equipment from electric supply network for rubber-tired crane in port |
| 06/17/2009 | CN201260057Y Ice coating and removing device for overhead electric line |
| 06/17/2009 | CN201260056Y Distributed anti-dancing spacing rod |
| 06/17/2009 | CN201260055Y Outdoor overhead electric cable anti-theft device |
| 06/17/2009 | CN201260054Y Bird prevention blocking board for electricity transmission line |
| 06/17/2009 | CN101459327A Automatic ice melting method for multiple division electricity transmission line and special switch thereof |
| 06/17/2009 | CN101459326A Determination method for principal parameters of DC ice melting device |
| 06/17/2009 | CN101459325A Anti-theft device for communication cable |
| 06/16/2009 | US7547843 Overhead electrical power transmission line |
| 06/16/2009 | CA2420883C Pole top support for aerial electric power lines |
| 06/11/2009 | WO2009072595A1 Tension balancer |
| 06/10/2009 | DE102007037558A1 High voltage electric current line cleaning device, has rollers for progressively moving device along line, and cutting tool for removing ice and snow with application of heat, where tool is installed on disk, and rotates about axis of line |
| 06/10/2009 | CN201256273Y Reinforcement suspension wire clip for high strength iron core aluminum alloy wire cross |
| 06/10/2009 | CN201256272Y Six break cage type rigid jumper wire device for ultrahigh voltage transmission line |
| 06/10/2009 | CN201256271Y Dual change tri-connection board for tri-connection strain insulator-string |
| 06/03/2009 | EP2065902A2 Electric three-phase power cable system |
| 06/03/2009 | EP2064788A1 A method and apparatus for provision of temporary conductor tension support in transmission or distribution circuits |
| 06/03/2009 | CN201252381Y Power line single-circuit T connection steel pipe pole |
| 06/03/2009 | CN201252380Y Transmission line de-icing device of bundled multi-split conductor |
| 06/03/2009 | CN201252379Y Super-high voltage direct current six-splitting squirrel-case type hard jumper device |
| 06/03/2009 | CN201252378Y Super-high voltage direct current six-splitting pipe bus type hard jumper device |
| 06/03/2009 | CN201252377Y Electric transmission line pole bird-preventing barbed wire row |
| 06/03/2009 | CN201252376Y Connecting structure of leading wires and jumping wires |
| 06/03/2009 | CN201252375Y Frost-proof flame retardant protection sleeve |
| 06/03/2009 | CN201252374Y Transmission line combined ultrasonic bird scaring device |
| 06/03/2009 | CN101447658A Spring damping and vibration isolating device used in transmission line |
| 06/03/2009 | CN101447657A Polymer alloy buffered type light conductor spacer |
| 06/03/2009 | CN101447656A Polymer alloy high energy-saving suspension clamp |
| 05/27/2009 | CN201247941Y Mechanical vibration type deicer for overhead ground wire |
| 05/27/2009 | CN201247940Y Hammer for preventing conductor from vibration |
| 05/27/2009 | CN201247939Y Anti-dance weight dropper of high voltage overhead transmission line |
| 05/27/2009 | CN201247938Y Wedge type strain clamp |
| 05/27/2009 | CN201247937Y Device for ejecting fowl |
| 05/27/2009 | CN201243573Y Energy-saving windmill bird-scaring device |
| 05/27/2009 | CN101442198A Ice-melting mode and apparatus for mobile DC power supply |
| 05/27/2009 | CN101442197A Configuration structure for homo-tower dual-loop compact transmission line insulator equalizing ring |
| 05/27/2009 | CN101442195A Live conductor stringing and splicing method and apparatus |
| 05/27/2009 | CN101442194A Spanning method for ultra, extra high voltage line construction without crossover frame |
| 05/27/2009 | CN100491228C Suspended electric network power supplier for container tyre of harbor |
| 05/20/2009 | CN201243187Y Adjustable conductor interphase interval rod |
| 05/20/2009 | CN201243186Y Parallel connection clearance device for V-shaped insulator string of high-tension overhead line |
| 05/20/2009 | CN101436769A Mobile power line DC ice-melting device |
| 05/20/2009 | CN101436768A Power line DC ice-melting device |
| 05/19/2009 | US7535132 Live conductor stringing and splicing method and apparatus |
| 05/13/2009 | CN201238184Y Dual-loop steel pipe column for wires with 2X630 and 4X300 cross section of 220kV power transmission line |
| 05/13/2009 | CN201238183Y Deicing mechanism by electrical pulse method for power transmission line |
| 05/13/2009 | CN201238182Y Connection structure for shockproof hammer head and steel stranded wire |
| 05/13/2009 | CN201238181Y Anti-skid rubber cushion of shockproof hammer thread clip |
| 05/13/2009 | CN201238180Y Non-skid thread clip of shockproof hammer |
| 05/13/2009 | CN201238179Y Novel shockproof hammer |
| 05/13/2009 | CN201238178Y Duplex insulator eight-splitting hanging yoke plate for power transmission line |
| 05/13/2009 | CN201238177Y Column-connected hardware fittings for strain insulator string of ultrahigh voltage transmission line |
| 05/13/2009 | CN201238176Y Anti-bird insulation baffle of high-tension line |