| Patents for H02G 7 - Overhead installations of electric lines or cables (6,956) |
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| 08/07/2013 | CN203119417U Electric pole ice remover for transmission line maintenance |
| 08/07/2013 | CN203119416U Rotatable vibration-preventing hammer |
| 08/07/2013 | CN203119415U Shockproof hammer |
| 08/07/2013 | CN203119414U Antiskid type shockproof hammer |
| 08/07/2013 | CN203119413U V-shaped string for prevention of wind deflection |
| 08/07/2013 | CN203119412U Shape memory alloy vibration damper |
| 08/07/2013 | CN203119411U Bundling strain clamp |
| 08/07/2013 | CN203119410U Strain clamp provided with protective cover |
| 08/07/2013 | CN203119409U Stay wire clamp |
| 08/07/2013 | CN203119408U Installation hardware fitting of circuit fixed clearance over-voltage protector |
| 08/07/2013 | CN103236670A Raising-from-zero current short-circuit ice-melting method for small hydropower plants |
| 08/07/2013 | CN103236669A Voltage reducing and current increasing short-circuit ice melting method |
| 08/07/2013 | CN103236668A Ice-melting method with voltage reduction, current increase and short circuit by using series connection of two transformers |
| 08/07/2013 | CN103236667A Lightning protection method for power supply circuit |
| 08/07/2013 | CN103236666A Differentiated lightning protection method for power transmission lines |
| 08/06/2013 | US8502069 Protective cover |
| 07/31/2013 | CN203103886U Power transmission tower-line system |
| 07/31/2013 | CN203103885U High-tension line snow removal device |
| 07/31/2013 | CN203103884U DC high-current ice melting apparatus with STSTCOM function |
| 07/31/2013 | CN203103883U High-altitude cable deicing device |
| 07/31/2013 | CN203103882U Insulation bracing frame for live 10kV cable lead disconnection and connection operation |
| 07/31/2013 | CN203103881U Connecting rod type self-locking damping spacing rod |
| 07/31/2013 | CN203103880U Wire suspension T-shaped connection structure |
| 07/31/2013 | CN203103879U Improved high-pressure cover wire fixing batten |
| 07/31/2013 | CN203103878U Improved structure of field wire clamp strip |
| 07/31/2013 | CN203103877U Clamping apparatus of electricity taking device |
| 07/31/2013 | CN203103876U Squirrel-cage rigid jumper wire |
| 07/31/2013 | CN203103839U Power transmission line anti-icing device |
| 07/31/2013 | CN203103529U Continuing hardware for attached type graphene nano-material guide line |
| 07/31/2013 | CN203101704U Transmission line protection device |
| 07/31/2013 | CN103227447A Method for preventing damping wire of ground wire of transmission line from breaking |
| 07/31/2013 | CN103227446A Compact electric transmission line phase spacer capturing device |
| 07/31/2013 | CN103227445A Energy-saving pre-twisted spacer made of composite materials |
| 07/31/2013 | CN103227444A Energy-saving integral type spacing rod made from composite material |
| 07/31/2013 | CN103227443A Composite wedge-shaped energy-saving suspension clamp for double-capacity wire |
| 07/31/2013 | CN102072691B Measuring tool and measuring method for installation of high-altitude operation damper |
| 07/31/2013 | CN102044854B Wedge-shaped strain wire clamp |
| 07/30/2013 | CA2537218C Live conductor stringing and splicing method and apparatus |
| 07/25/2013 | CA2765395A1 Full tension swaged connector |
| 07/24/2013 | CN203086085U Anti-icing high-voltage transmission power line |
| 07/24/2013 | CN203086084U Current transformer-type power transmission line heating ice-melting apparatus |
| 07/24/2013 | CN103219682A Power transmission line disconnection protection and emergency power supply device |
| 07/24/2013 | CN102306921B Break-proof method of insulator chain fracture caused by wind blowing |
| 07/23/2013 | US8492649 Tension balancer for overhead wire and tension balancer installation auxiliary device for overhead wire |
| 07/17/2013 | CN203071536U Ice-melting and short-circuiting rapid operation device for strut type power transmission line |
| 07/17/2013 | CN203071535U Outer arc-shaped ice removal hammer with inner ball caps for power transmission line |
| 07/17/2013 | CN203071534U Splicing fitting for electrical-network lines |
| 07/17/2013 | CN203071533U Slidable wire bound clamp for overhead low-voltage cable |
| 07/17/2013 | CN203071532U Aluminum alloy tension-resistant clamp |
| 07/17/2013 | CN203071531U OPGW terminal grounding residual current isolation protection device |
| 07/17/2013 | CN203071530U Insulator and lead firmly connecting device for electrical-network lines |
| 07/17/2013 | CN203071529U Support for fixing line coupler |
| 07/17/2013 | CN203071258U Jointing clamp for live-line work |
| 07/17/2013 | CN103208768A Method for suppressing waving of extra-high voltage bundled conductor |
| 07/17/2013 | CN103208767A Special anti-theft tube for communication cables and manufacturing method of tube |
| 07/17/2013 | CN102082406B Preparation method of aluminum clad steel pre-stranded wire |
| 07/17/2013 | CN101807780B Anti-vibration hammer for high-voltage power transmission lines |
| 07/10/2013 | CN203056518U Puncture lightning protection ground wire clamp |
| 07/10/2013 | CN203056517U A line-to-line insulation apparatus for aerial conductor four-circuit lines on a same tower |
| 07/10/2013 | CN203056516U Transmission line deicing device |
| 07/10/2013 | CN203056515U Deicer for power transmission line |
| 07/10/2013 | CN203056514U Overhead power line damper fastener |
| 07/10/2013 | CN203056513U 8-shaped suspension ring for fixing side phase of horizontal conducting wires |
| 07/10/2013 | CN203056512U Alternate spacer |
| 07/10/2013 | CN203056511U Overhead suspension wire clamp |
| 07/10/2013 | CN203056510U U-shaped suspension loop |
| 07/10/2013 | CN203056509U Right-angle suspension loop |
| 07/10/2013 | CN203056508U Heart-shaped suspension loop |
| 07/10/2013 | CN203056507U Wedge-shape strain clamp |
| 07/10/2013 | CN203056506U Wire lifting device |
| 07/10/2013 | CN203056505U Fast support synthesis insulator hardware used for aerial insulation line |
| 07/10/2013 | CN203056504U Multifunctional tension resistance wire clamp |
| 07/10/2013 | CN203056503U Bird thorn quick fixing device |
| 07/10/2013 | CN203056502U Mounting foundation for bird dispeller |
| 07/10/2013 | CN203040524U Shielding device preventing nesting of birds for distribution line disconnector |
| 07/10/2013 | CN103199477A Circuit alternating current (AC) ice melting method and circuit AC ice melting device |
| 07/10/2013 | CN103199476A Method and application for acquiring direct current load value of direct current deicing device of convertor station ground wires |
| 07/10/2013 | CN103199475A Wire deicing device |
| 07/10/2013 | CN103199474A Method for 500KV large cross-section wire hot-line installation of phase to phase spacers |
| 07/10/2013 | CN103199473A Entering system from terminal tower to transformer substation |
| 07/04/2013 | WO2013098864A1 Space dampers for four-conductors bundles |
| 07/03/2013 | CN203039321U Power cable automatic deicing apparatus |
| 07/03/2013 | CN203039320U Anti-pollution-flashover damping insulation strut |
| 07/03/2013 | CN203039319U Anti-corona aluminium pipe interval rod |
| 07/03/2013 | CN203039318U A suspension clamp |
| 07/03/2013 | CN203039317U A wedge-shaped strain clamp |
| 07/03/2013 | CN203039316U Tension porcelain insulator string fastener |
| 07/03/2013 | CN203039315U A strain clamp |
| 07/03/2013 | CN102227064B Crossover-stand used for erecting power transmission lines |
| 07/03/2013 | CN102136692B Tool for replacing JB type parallel groove clamp on live line |
| 07/02/2013 | US8474221 Telescoping fiberglass utility pole |
| 06/27/2013 | WO2013096662A1 Fastener attachment system and methods of use |
| 06/26/2013 | CN203026886U Four-cracking jumper wire support arm |
| 06/26/2013 | CN203026885U Automatic control device of deicing of power cable |
| 06/26/2013 | CN203026884U 10kV distribution network alternate isolation protective device |
| 06/26/2013 | CN203026883U Damping rubber galloping preventing spacer |
| 06/26/2013 | CN203026882U Shape memory alloy anti-galloping spacer |
| 06/26/2013 | CN203026881U Transmission line support device |
| 06/26/2013 | CN203026880U Outlet unit with shielding cases and grading rings in insulated transmission line |
| 06/26/2013 | CN203026879U Outlet unit with shielding cases in insulated transmission line |