| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 06/14/2011 | CA2446005C Improved hip jackgirder connection |
| 06/11/2011 | CA2688195A1 Cementitious fibre reinforced composite cross arm |
| 06/10/2011 | CA2724368A1 Pier bracket |
| 06/09/2011 | WO2011066827A2 Züblin post anchoring system on engineering structures having a spherical washer/conical seat system |
| 06/09/2011 | US20110135493 Wind turbine, tower and method for fabricating the same |
| 06/09/2011 | US20110135492 Stress relief flange and method for distributing stress for wind turbine components |
| 06/09/2011 | US20110133475 Support tower for use with a wind turbine and system for designing support tower |
| 06/09/2011 | US20110132859 Davit |
| 06/09/2011 | US20110131917 Method of forming adhesive joint, structural subassembly, and joint construction |
| 06/09/2011 | DE20321855U1 Stahlturm für eine Windkraftanlage Steel tower for a wind turbine |
| 06/09/2011 | DE102010002181B3 Onshore-production plant for manufacturing offshore wind energy plant in e.g. port, has heavy load-module transporters provided on running tracks for transporting between intermediate storage facilities if necessary |
| 06/09/2011 | DE102008050177B4 Sockel für einen Erdanker Socket for a ground anchor |
| 06/08/2011 | EP2330263A1 Concrete tower |
| 06/08/2011 | CN201857796U Flag tying device |
| 06/08/2011 | CN201857795U Special reinforced concrete high-tension pole in low-lying area |
| 06/08/2011 | CN201857794U Narrow-base iron tower of 220 kilovolts |
| 06/08/2011 | CN201857793U Iron tower provided with bird repeller |
| 06/08/2011 | CN201857780U Modular base station device |
| 06/08/2011 | CN201857745U Ascending operation device for H-type steel column of high-speed railway |
| 06/08/2011 | CN102089486A Space frame connector |
| 06/08/2011 | CN102086712A Flag post supplying air along with ascending and descending of flag |
| 06/08/2011 | CN102086711A Safety device for preventing people from climbing up electric concrete poles by mistake |
| 06/08/2011 | CN101713260B Mounting method of steel chimney cylinder |
| 06/07/2011 | US7954297 Four ring spherical connecting hub for building space frame structures |
| 06/02/2011 | US20110126488 Upgradable lattice tower and components thereof |
| 06/02/2011 | US20110126481 Concrete tower |
| 06/01/2011 | EP2328230A2 Device for transporting and mounting a mast |
| 06/01/2011 | EP2328227A1 Device for transporting and mounting a mast |
| 06/01/2011 | EP1570144B1 Anchor bar with a support block |
| 06/01/2011 | DE102009055726A1 Inner installation element for tubular tower of wind turbine, has module element for allowing shifting of element along inner wall of tubular tower in axial direction, where module and supporting elements are fastened to corner posts |
| 06/01/2011 | CN201854001U Composite tower with vertical grounding down wire in center |
| 06/01/2011 | CN201850822U Music flagpole |
| 06/01/2011 | CN201850821U Music flagpole |
| 06/01/2011 | CN201850820U Flagpole with clock |
| 06/01/2011 | CN201850819U Wind vane for flagpole |
| 06/01/2011 | CN201850818U Water supply tower for purification of graphite |
| 06/01/2011 | CN201850817U Temporary cross arm for replacement of straight cement pole |
| 06/01/2011 | CN201850816U Engineering multi-section sleeve vertical rod suitable for standing in narrow plane |
| 06/01/2011 | CN201850815U Roller anti-friction device used for telescopic tower |
| 06/01/2011 | CN201850814U Cement pole |
| 06/01/2011 | CN201850813U Gan-shaped (Chinese character) tension resistant tower of compact power transmission line |
| 06/01/2011 | CN201850812U Preventing and protecting device for electric pole of electric power circuit |
| 06/01/2011 | CN201850811U Pillar of security detection device |
| 06/01/2011 | CN102084071A Cover for a chimney |
| 06/01/2011 | CN102080466A Molding chimney for residential building |
| 06/01/2011 | CN102080465A Telegraph pole base with adjustable width |
| 06/01/2011 | CN102080464A Concrete tower |
| 06/01/2011 | CN102080463A Adapting connection structure of television tower antenna post and television tower body |
| 06/01/2011 | CN102079020A Welding wire, application thereof and manufacturing method of electric tower |
| 06/01/2011 | CA2722849A1 Concrete tower |
| 05/31/2011 | US7950200 Multi-purpose anchoring apparatus and method |
| 05/30/2011 | CA2696084A1 Wind turbine tower and wind turbine generator |
| 05/26/2011 | US20110123276 Mounting Of Offshore Structures |
| 05/26/2011 | US20110123274 Method for erecting a wind turbine on an offshore site and a vessel for erecting a wind turbine on an offshore site |
| 05/26/2011 | US20110120043 Articulating Mast |
| 05/26/2011 | DE202011003830U1 Befestigungsvorrichtung für pfostenförmige Gegenstände Fastening device for post-like objects |
| 05/25/2011 | EP2324172A1 Foundation system for aligning and fastening a rod-like object in the soil |
| 05/25/2011 | EP2324171A1 Screw foundation system with a curable filling compound |
| 05/25/2011 | CN201843384U Transmission tower with cross arm made of insulating materials |
| 05/25/2011 | CN201843383U Structure for reinforcing position of lifting point of tower |
| 05/25/2011 | CN201843382U Transmission tower head structure adopting top booms of cross arms made of insulation materials to reduce height of tower |
| 05/25/2011 | CN201843370U Steel angle tower base station clamp |
| 05/25/2011 | CN201843231U Concrete composite thermal insulation wall |
| 05/25/2011 | CN102076921A Upgradeable lattice tower and components thereof |
| 05/25/2011 | CN102076920A Tower section for a wind turbine tower |
| 05/25/2011 | CN102071831A Hollow interlayer composite material concrete power transmission tower member |
| 05/25/2011 | CN102071830A FRP (fiber reinforce plastic) tube-concrete-steel tube combined tube tower and segmented construction method thereof |
| 05/25/2011 | CN102070986A High-weatherability anti-corrosive paint and iron tower assembly |
| 05/25/2011 | CN102070922A Anticorrosive coating with high weather resistance and iron tower assembly |
| 05/25/2011 | CN102070059A Hydraulic speed limiting elevator |
| 05/25/2011 | CN101781937B Ice-resisting and strengthening reconstruction method of existing power transmission tower |
| 05/25/2011 | CN101646831B A lattice tower and an erection method for a wind generator with a lattice tower |
| 05/25/2011 | CN101513984B An external flag staff lifter |
| 05/25/2011 | CN101265883B Transmission tower and wind power tower bracket |
| 05/19/2011 | WO2011058158A1 Wind power plant for producing electric energy, and relative pylon construction method |
| 05/19/2011 | US20110113708 Method for the assembly of a tower and tower |
| 05/19/2011 | CA2781136A1 Wind power plant for producing electric energy, and relative pylon construction method |
| 05/19/2011 | CA2780720A1 Method and device for support of a plant, object or sheet material |
| 05/18/2011 | EP2322743A1 Parasol-anchoring device |
| 05/18/2011 | CN201835582U 10kv tensioning and insulating double-head pull ring |
| 05/18/2011 | CN201835581U High-strength cement rod |
| 05/18/2011 | CN201835580U Concrete pole with protective pier |
| 05/18/2011 | CN201835579U Concrete pole with burial depth scales |
| 05/18/2011 | CN201835578U Improved reinforced concrete annular rod for combating disasters |
| 05/18/2011 | CN201835577U Duckbill type head of steel pipe component |
| 05/18/2011 | CN201835576U Anti-disassembling bolt for iron tower |
| 05/18/2011 | CN201835575U Detachable global positioning system (GPS) observation pillar extension rod |
| 05/18/2011 | CN102064506A 10 to 110kv overhead bare conductor line bird nest preventing device |
| 05/18/2011 | CN102061823A Simple flag raising hook |
| 05/18/2011 | CN102061822A Temporary cross arm for replacing linear cement poles and application method thereof |
| 05/18/2011 | CN102061821A Wire pole |
| 05/18/2011 | CN102061820A Anti-collision warning sign bracing wire and manufacturing method thereof |
| 05/18/2011 | CN102061819A High-strength tower |
| 05/18/2011 | CN102061818A Installation vehicle of electric pole |
| 05/17/2011 | US7941985 Halo/spider, full-moment, column/beam connection in a building frame |
| 05/17/2011 | US7941984 Wind force resistant structure |
| 05/17/2011 | US7941978 Deployable heirarchical structure |
| 05/17/2011 | CA2582063C Method for operation of a wind energy installation |
| 05/12/2011 | WO2011056366A2 Pultruded utility support structures |
| 05/12/2011 | WO2011054168A1 Pole tower made of composite material and manufacturing method thereof |