| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 03/26/2013 | US8402711 Multistable shape-shifting surfaces |
| 03/22/2013 | CA2790544A1 Telepole, and related methods |
| 03/21/2013 | WO2013040064A2 Device for forming post sleeves, and method of use |
| 03/21/2013 | WO2013037001A1 Post apparatus |
| 03/21/2013 | WO2012168467A3 Socket-projection fixing assembly |
| 03/21/2013 | WO2012168387A3 Wind energy plant tower |
| 03/21/2013 | US20130067853 Method for erecting a facility producing electrical energy from wind |
| 03/20/2013 | EP2569495A2 Tower for a wind power plant and method for erecting a tower for a wind power plant |
| 03/20/2013 | DE202013001460U1 Rückstelleinrichtung für einen drehbaren Ausleger von Fahnenmasten Return device for a rotatable boom of flagpoles |
| 03/20/2013 | DE202013001456U1 Vorrichtung zur Arretierung von Masten Device for locking of masts |
| 03/20/2013 | CN202810317U Derrick with grinding rope safety protecting device |
| 03/20/2013 | CN202810316U 旗杆 Flagpole |
| 03/20/2013 | CN202810315U Device for connecting base pipe to pole |
| 03/20/2013 | CN202810314U 220kV T-shaped double-circuit drilling tower |
| 03/20/2013 | CN202810313U Mounting structure of mistaken-climbing-preventive support base on iron tower angle iron |
| 03/20/2013 | CN202810312U Supporting structure of single-layer platform for communication tower |
| 03/20/2013 | CN202810311U Natural gas marking pile |
| 03/20/2013 | CN202810310U Glass fiber reinforced plastic cover with locking device |
| 03/20/2013 | CN202810309U 通信照明塔 Communications lighting tower |
| 03/20/2013 | CN102979352A Flag raising device |
| 03/20/2013 | CN102979351A Method for corrosion resistance of rigid and flexible type composite integral casting material inner lining of wet chimney of thermal power plant |
| 03/20/2013 | CN102979350A Stay wire binding tool |
| 03/20/2013 | CN102979349A Electric pole core |
| 03/20/2013 | CN102979348A Four-circuit lowering tower for high voltage transmission line |
| 03/20/2013 | CN102979347A Connecting structure of composite material tower rod and ladder supporting seat |
| 03/20/2013 | CN102979346A Method for replacing 10kV multi-layered overhead line pole towers with steel pipe poles in situ |
| 03/20/2013 | CN102979345A Electric pole |
| 03/20/2013 | CN102979344A 电杆连接装置 Pole connecting device |
| 03/20/2013 | CN102979343A Electric pole |
| 03/20/2013 | CN102979342A Electric pole |
| 03/20/2013 | CN102979341A Electric pole |
| 03/20/2013 | CN102979340A Electric pole connecting device |
| 03/19/2013 | US8398036 Post holder |
| 03/19/2013 | CA2706030C Arm connection for a structural member |
| 03/19/2013 | CA2595321C A clamp, self-advancing climbing device, and method of coupling same to a tubular |
| 03/14/2013 | WO2013034893A1 Modular portable screen apparatus |
| 03/14/2013 | WO2013034784A1 Modular tower |
| 03/14/2013 | US20130061541 Slit tube locking longeron |
| 03/13/2013 | EP2567036A2 Supporting lattice framework |
| 03/13/2013 | CN202798103U Single-tube tower-type wind-light complementary base station |
| 03/13/2013 | CN202788144U Portable foot distance aligner |
| 03/13/2013 | CN202788143U Soft attachment for connecting holding rod and iron tower |
| 03/13/2013 | CN202788142U Cross arm of power transmission tower |
| 03/13/2013 | CN202788141U Cross arm used for electric power circuit |
| 03/13/2013 | CN202788140U Telegraph pole |
| 03/13/2013 | CN202788139U Single-loop strain tower of 110KV power transmission line of moderate and heavy icing areas |
| 03/13/2013 | CN202788138U T-shaped tower for temporary freight ropeway |
| 03/13/2013 | CN202788137U Steel angle lattice equipment support frame for alternating current extreme high voltage |
| 03/13/2013 | CN202788136U Solar power supply communication tower |
| 03/13/2013 | CN202788135U Tangent tower used for +/- 400 kV direct current transmission line |
| 03/13/2013 | CN202788134U Tram catenary bracket |
| 03/13/2013 | CN202788133U Transmission line iron tower |
| 03/13/2013 | CN202788132U Iron tower |
| 03/13/2013 | CN202788131U Single tube communication tower platform |
| 03/13/2013 | CN202788130U Polymer composite material telegraph pole |
| 03/13/2013 | CN202788129U Outside simply constructed wire bracing tower |
| 03/13/2013 | CN202788128U Hexagon tower for outside base station |
| 03/13/2013 | CN202788127U Support structure provided with push lock and used on mistaken-climbing preventive device of multi-loop power transmission tower |
| 03/13/2013 | CN202788126U Anchor bolt type column foot herringbone framework |
| 03/13/2013 | CN202785441U Electric flag-raising executive device |
| 03/13/2013 | CN202773540U Rattan preventing device for tower stay wire |
| 03/13/2013 | CN102968940A Flag post fixing device |
| 03/13/2013 | CN102966258A Temporary supporting crossarm for live working |
| 03/13/2013 | CN102966257A 750kV composite material cross arm |
| 03/13/2013 | CN102966256A Manufacturing method of anti-corrosion large-bending moment concrete telegraph pole along sea beach area |
| 03/13/2013 | CN102966255A Connecting device for connecting concrete tower barrel and steel tower barrel |
| 03/13/2013 | CN102966254A Measuring tower used for construction of stub matching method and arrangement thereof |
| 03/13/2013 | CN102312604B Tower leg plate of angle iron tower of power transmission line |
| 03/13/2013 | CN102312603B Four-pipe tower of power transmission line |
| 03/13/2013 | CN102312602B Angle steel tower of power transmission line |
| 03/13/2013 | CN102312601B Steel pipe pole of power transmission line |
| 03/13/2013 | CN102312600B Multi-prism plug-in type steel pipe pole of power transmission line |
| 03/13/2013 | CN102312599B Multi-prism steel pipe pole of power transmission line |
| 03/13/2013 | CN102242570B Method for reinforcing transmission line iron tower |
| 03/13/2013 | CN102005712B Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line |
| 03/08/2013 | DE202012012424U1 Pfostenträger Post support |
| 03/07/2013 | WO2013030076A1 Method for erecting a tower structure, and tower structure |
| 03/07/2013 | WO2013029743A1 Concrete structures |
| 03/07/2013 | WO2013029376A1 Wind turbine tower and method for transporting and assembling same |
| 03/07/2013 | US20130055671 Prefabricated modular building units |
| 03/06/2013 | EP2565350A1 Mobile stand |
| 03/06/2013 | EP2565349A2 Mast assembly |
| 03/06/2013 | EP2564721A2 Add-on device for a sunscreen and the like |
| 03/06/2013 | EP2563994A1 Method for assembling a wind turbine tower on an erection foundation and a device |
| 03/06/2013 | CN202767612U Coal mine subsidence area inclined power transmission tower centering device |
| 03/06/2013 | CN202767611U Reinforced concrete single-cylinder chimney inner cylinder wall prestress composite strengthening structure |
| 03/06/2013 | CN202767610U Stably mountable high-voltage utility pole |
| 03/06/2013 | CN202767609U Anticorrosion and anti-corrosive drawing wire rod |
| 03/06/2013 | CN202767608U Derrick type tower for temporary cargo ropeway |
| 03/06/2013 | CN202767607U ZV81 tangent tower for plus or minus 400 kV direct-current power transmission line |
| 03/06/2013 | CN202767606U Communication monopole |
| 03/06/2013 | CN202767605U Leading mark tower frame device |
| 03/06/2013 | CN202767581U Mobile communication base station and base assembly thereof |
| 03/06/2013 | CN202764001U Annular concrete pole prestress inward-tension device |
| 03/06/2013 | CN102953577A Device for setting up or laying down slender rods |
| 03/06/2013 | CN102953576A Steel pipe and angle iron hybrid ultrahigh-voltage power transmission tower |
| 03/06/2013 | CN102953323A Spliced-type corrugated steel plate load-bearing column |
| 03/05/2013 | US8387339 Adjustable wall support system and method |
| 03/05/2013 | US8387331 Wind turbine tower |
| 03/05/2013 | CA2449194C Service line distribution base |