| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 04/13/2011 | CN201794357U Basal guide rail for tower leg section of power transmission line iron tower erected by helicopter |
| 04/13/2011 | CN201794356U Overhead assembly positioner used for tower equipment |
| 04/13/2011 | CN201794355U Steel rod climbing-preventive screen structure |
| 04/13/2011 | CN201794354U Combined wood-plastic upright column |
| 04/13/2011 | CN201794332U Mobile base station |
| 04/13/2011 | CN201794231U Sun shading device of large photoelectric observation system |
| 04/13/2011 | CN102016202A Erection method for solar receiver and support tower |
| 04/13/2011 | CN102016201A Temporary support |
| 04/13/2011 | CN102011709A Wind turbine tower and system and method for fabricating the same |
| 04/13/2011 | CN102011508A High strength concrete pole |
| 04/13/2011 | CN102011507A A steel tube packed power transmission tower component |
| 04/13/2011 | CN102010638A High-weatherability anticorrosive paint and iron tower assembly |
| 04/13/2011 | CN101709605B Amplitude variation type pull wire of holding rod |
| 04/12/2011 | US7921611 Retractable column and method of forming |
| 04/12/2011 | CA2469264C Post anchoring device |
| 04/07/2011 | DE102006027952B4 Dekorationssäule Decoration column |
| 04/06/2011 | EP2305923A2 Wind Turbine Tower And System And Method For Fabricating The Same |
| 04/06/2011 | EP2198100B1 A post and a structure comprising a post |
| 04/06/2011 | CN201789258U Composite tower with inside vertical ground down lead |
| 04/06/2011 | CN201789257U Composite material tower of outside vertical grounded downlead |
| 04/06/2011 | CN201786072U Improved cat-head transmission tower |
| 04/06/2011 | CN201786071U Single-circuit T connecting steel pipe tower |
| 04/06/2011 | CN201785874U Connecting structure of steel platform and reinforced concrete chimney wall |
| 04/06/2011 | CN201785766U Direct drop type iron tower |
| 04/06/2011 | CN102005712A Strain corner tower with horizontal winding and jumping wire jumper for two-loop compact power transmission line |
| 04/06/2011 | CN102003104A Tower head of transmission line iron tower in heavy ice area |
| 04/06/2011 | CN102003103A Iron tower with bird repeller |
| 04/06/2011 | CN102003102A Inverted V-shaped insulating tower with diagonal member for power grid transmission line |
| 04/06/2011 | CN102003101A Vinyl ester resin insulation power post tower and making method thereof |
| 04/06/2011 | CN102003100A Polyurethane resin insulating electric tower |
| 04/06/2011 | CN102003099A Anti-snake climbing device for tower |
| 04/06/2011 | CN102003098A Composite insulating tower for power grid transmission line |
| 04/06/2011 | CN102002211A Vinyl ester resin insulation power tower and manufacturing method thereof |
| 04/06/2011 | CN101748799B Hydraulic lifting rollover construction method of chimney reinforced concrete shaft wall |
| 04/06/2011 | CN101555734B High-voltage power transmission anti-theft iron tower |
| 04/06/2011 | CN101413356B Poling method |
| 04/05/2011 | US7918060 Under-plank for watertight balcony sub-floor system |
| 04/05/2011 | US7918026 Method for production of a mast shaped body |
| 04/05/2011 | CA2489287C Support device designed to be anchored in the ground |
| 03/31/2011 | WO2011035619A1 Anticorrosive dust-collecting energy-saving chimney |
| 03/31/2011 | WO2010003681A8 Supporting trellis framework |
| 03/31/2011 | US20110072741 Connecting device for a frame structure |
| 03/31/2011 | US20110072737 Portable drilling rig apparatus and assembly method |
| 03/30/2011 | EP2302146A2 Tower made of prestressed concrete prefabricated assembly units |
| 03/30/2011 | CN201778531U Fixing base of auxiliary embraced bar |
| 03/30/2011 | CN201778530U Automatic lifting flagpole |
| 03/30/2011 | CN201778529U Automatic flagpole |
| 03/30/2011 | CN201778528U Anti-corrosion node for chimney of heat power plant |
| 03/30/2011 | CN201778527U Steel lined glass fiber reinforced plastic chimney |
| 03/30/2011 | CN201778526U Environment-friendly communication tower |
| 03/30/2011 | CN201778525U Novel pole |
| 03/30/2011 | CN201778510U Rapid integrated communication device of integral computer room |
| 03/30/2011 | CN101994413A Safe and easily-mounted single rod tube launching tower for mobile communication |
| 03/30/2011 | CN101990939A Full-automatic solar dehumidifying, air drying and refrigerating system |
| 03/29/2011 | US7913472 Hip jackgirder connection |
| 03/24/2011 | WO2011035133A2 Modular tower apparatus and method of manufacture |
| 03/24/2011 | WO2011032559A2 Tubular building structure with hingedly connected platform segment |
| 03/24/2011 | US20110067343 Framing Member Having Reinforced End |
| 03/24/2011 | DE202011001695U1 Stahlturm für Windkraftanlagen Steel tower for wind turbines |
| 03/24/2011 | DE102009048936A1 Turm für eine Windkraftanlage und Verfahren zum Errichten eines Turmes für eine Windkraftanlage Tower for a wind turbine and method of erecting a tower for a wind turbine |
| 03/24/2011 | DE102009040485A1 Method for renovating steel grid pylon i.e. power pylon, involves connecting batten plate with corner bar and rod in course of subsequent reconstruction of pylon for subsequent stabilization of connection between bar and rod |
| 03/24/2011 | CA2772675A1 Tubular building structure with hingedly connected platform segment |
| 03/23/2011 | EP2297410A2 Lattice support structure with evacuation means |
| 03/23/2011 | EP2297409A1 Supporting trellis framework |
| 03/23/2011 | CN201771684U Running vehicle wind-energy recovering generating system |
| 03/23/2011 | CN201771249U Fixing structure for constraining bearing reaction of hoisting gantry of high main tower |
| 03/23/2011 | CN201771248U Embedded magnetic positioning flag hoisting device |
| 03/23/2011 | CN201771247U Cross arm device shared by lead and ground wire of power tower |
| 03/23/2011 | CN201771246U Reactive powder concrete contact line supporting column |
| 03/23/2011 | CN201771245U 门型电力钢管塔 Door electric steel tower |
| 03/23/2011 | CN201771244U Tower with four loops |
| 03/23/2011 | CN201771243U Multi-loop common-tower common-frame iron tower |
| 03/23/2011 | CN201771242U Power steel pipe tower |
| 03/23/2011 | CN201771241U Tower type truss device for supporting solar photovoltaic power system |
| 03/23/2011 | CN201771240U First-aid repair tower |
| 03/23/2011 | CN201771239U Novel modularized emergency repair tower |
| 03/23/2011 | CN201771222U Communication base station with lifting function |
| 03/23/2011 | CN101990487A Method for producing concrete prefinished parts |
| 03/23/2011 | CN101988346A Bundled protection plate |
| 03/23/2011 | CN101988345A Modularized base station device |
| 03/23/2011 | CN101492978B Ma-ni lever |
| 03/17/2011 | WO2011031577A2 Method and apparatus for wind turbine erection |
| 03/17/2011 | WO2011030299A1 Protective covering for wooden utility poles and method of installation |
| 03/17/2011 | WO2011030171A1 Base for supporting and holding a parasol |
| 03/17/2011 | WO2011029994A1 Connecting element and radial reinforcement structure |
| 03/17/2011 | WO2011029965A1 Method for assembling a prefabricated concrete tower of a wind turbine and structure for the pre-assembly of the tower segments |
| 03/17/2011 | US20110061332 Modular Tower Apparatus and Method of Manufacture |
| 03/17/2011 | US20110061314 Method of installing a cable in the tower of a wind power plant |
| 03/17/2011 | DE202010016056U1 Mast mit einem verfahrbaren Wagen und einer Nutzeinrichtung an diesem Mast with a movable carriage and a utility device at this |
| 03/17/2011 | DE202010014238U1 Bodenanker Ground anchor |
| 03/17/2011 | CA2773857A1 Tower for a wind power station and method for erecting a tower for a wind power station |
| 03/17/2011 | CA2770886A1 Method and apparatus for wind turbine erection |
| 03/16/2011 | EP2294270A1 Methods for reinforcing existing lattice frame structures having hollow steel primary elements, particularly steel towers with tubular legs |
| 03/16/2011 | EP2294264A2 Foundation device for posts, piles and similar objects |
| 03/16/2011 | CN201763035U Iron tower component |
| 03/16/2011 | CN201763034U Asymmetric hexagonal tower for mobile communication |
| 03/16/2011 | CN201763033U Three-tube communication tower |
| 03/16/2011 | CN201763032U Six-tube communication tower |
| 03/16/2011 | CN201763031U Multifunctional studio tower |
| 03/16/2011 | CN101985862A Clamping slot of flag pole |