| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 04/17/2013 | CN101983287B A method for handling and/or servicing components of a wind turbine and a gripping apparatus for performing the method |
| 04/17/2013 | CA2792695A1 Method of applying pre-tightening force on an anchor bolt |
| 04/16/2013 | US8418425 Tubular beam for the construction of temporary structures |
| 04/15/2013 | DE202013001854U1 Eine im Boden von Turnhallen angeordnete Bodenhülse, welche einen nach oben offenen Schacht umschließt, in welchen eine Stange eines temporär anzuordnenden Sportgerätes eingesteckt werden kann An arranged in the bottom of gyms ground sleeve which surrounds an upwardly open slot, can be in which a rod of a temporarily be disposed of sports equipment plugged |
| 04/11/2013 | WO2012038309A3 A wind turbine tower |
| 04/11/2013 | DE102011054303A1 Tower for use in wind power device for mounting small wind power plant, has tower base-section successive to tower top towards tower base, expansion section and tower top-section |
| 04/11/2013 | DE102009048936B4 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 |
| 04/10/2013 | CN202866369U Novel upright rod tractive device |
| 04/10/2013 | CN202866368U Portable type thread device |
| 04/10/2013 | CN202866367U Prestressed cement pole comprising embedded prestressed tension ring |
| 04/10/2013 | CN202866366U Cement tower suitable for bird nesting |
| 04/10/2013 | CN202866365U Wineglass-type steel pipe tower for electric transmission lines |
| 04/10/2013 | CN202866364U Fixing base for fixing devices on high-voltage transmission line iron tower |
| 04/10/2013 | CN202866363U Electric pole steel ring protection device |
| 04/10/2013 | CN103031978A Installation assisting system for erection of power transmission line iron tower and erection method for iron tower |
| 04/10/2013 | CN103031977A High-strength flexible hubbed flange structure |
| 04/10/2013 | CN101761264B Concrete wire pole |
| 04/09/2013 | US8413405 Tower of a wind power plant |
| 04/09/2013 | US8413390 Polygon mast |
| 04/09/2013 | CA2475997C Guard rail safety system |
| 04/04/2013 | WO2013049266A1 Tower erection system and method |
| 04/04/2013 | WO2013048257A1 Floating wind turbine |
| 04/04/2013 | WO2013045946A1 Base for fencing |
| 04/04/2013 | WO2012175406A3 Method for producing a tower segment of a concrete tower of an wind energy installation |
| 04/04/2013 | US20130081351 Tower Reinforcement Apparatus and Method |
| 04/04/2013 | US20130081350 Tower Comprising an Adapter Piece and Method for Producing a Tower Comprising an Adapter Piece |
| 04/04/2013 | US20130081342 Wind turbine tower |
| 04/04/2013 | US20130081337 Tower erection system and method |
| 04/04/2013 | CA2849027A1 Tower erection system and method |
| 04/03/2013 | EP2574711A1 Tower for a wind energy facility |
| 04/03/2013 | EP2574710A2 Cladding for subsequent attachment to an overhead wire mast and overhead wire mast |
| 04/03/2013 | EP2574705A1 Wind turbine tower |
| 04/03/2013 | EP2574435A2 Woods in permanent contact with soil or water |
| 04/03/2013 | CN202850576U Brake for integral assemblage electric pole iron tower for training and teaching |
| 04/03/2013 | CN202850575U Anti-corroding, dust-collecting and energy-saving chimney |
| 04/03/2013 | CN202850574U Wire rod |
| 04/03/2013 | CN202850573U Elevating rotary tower |
| 04/03/2013 | CN202850572U Pole core |
| 04/03/2013 | CN202850571U Square steel mast for television tower |
| 04/03/2013 | CN202850570U Single communication tower feeder line gap bridge |
| 04/03/2013 | CN202850569U A connecting flange for principal concrete-filled steel tube members of an ultra-high long-span tower |
| 04/03/2013 | CN202850568U Electric pole |
| 04/03/2013 | CN202850567U Electric pole |
| 04/03/2013 | CN202850566U Connecting device of electric pole |
| 04/03/2013 | CN202850565U Pole connecting device |
| 04/03/2013 | CN202850564U Electric pole |
| 04/03/2013 | CN202850563U Electric pole |
| 04/03/2013 | CN202850562U Self-stand adjustable crossing tower |
| 04/03/2013 | CN103025982A Composite pole and method for making the same |
| 04/03/2013 | CN103025974A Supporting lattice framework |
| 04/03/2013 | CN103022951A Jumping around transposition tower in common-tower double-circuit transmission line |
| 04/03/2013 | CN103015789A Layer structure of inner insulating tube of composite cross arm |
| 04/03/2013 | CN103015788A Electric lifting wire pole |
| 04/03/2013 | CN103015787A Constructing method of wind power generator set tower frame and wind power generator set tower frame |
| 04/03/2013 | CN103015786A Concrete pole with grounding integration function |
| 04/03/2013 | CN103015785A Anti-climbing device for power iron tower |
| 04/03/2013 | CN103015784A Adjusting device for steel pylon component |
| 04/03/2013 | CN103015451A Detachable tower footing |
| 04/03/2013 | CN102322171B Electric pole |
| 04/03/2013 | CN102304926B Method for fixing telegraph pole on wetland |
| 04/03/2013 | CN102287070B Z-shaped side slope tower |
| 04/02/2013 | US8407966 Cold-formed steel joist |
| 04/02/2013 | US8407945 Spring flange for roofing systems |
| 03/30/2013 | CA2753624A1 Pole mounted enclosures for luminaires |
| 03/28/2013 | WO2012152483A3 Offshore foundation for wind energy installations |
| 03/28/2013 | DE202013001432U1 Aufstellhilfe für Masten mit Bodenhülse An erection for poles with ground sleeve |
| 03/28/2013 | DE112011101733T5 Windkraftanlagenturm Wind turbine tower |
| 03/28/2013 | DE102011114477A1 Verkleidung zur nachträglichen Befestigung an einem Oberleitungsmast und Oberleitungsmast Panel for subsequent attachment to a catenary mast and overhead line mast |
| 03/27/2013 | CN202840438U Split type strain tower of ultra-high-voltage transmission line with vertically arranged jumper strings |
| 03/27/2013 | CN202831769U Detachable lifting pole |
| 03/27/2013 | CN202831768U Filling type heat preservation chimney |
| 03/27/2013 | CN202831767U Spring support rod shake-prevention device |
| 03/27/2013 | CN202831766U Novel connecting device of lightning rod of reinforced concrete chimney |
| 03/27/2013 | CN202831765U Hinged cross arm rush repair tower |
| 03/27/2013 | CN202831764U Embedded part |
| 03/27/2013 | CN202831763U Electric power wire pole stay wire device with electricity leakage warning function |
| 03/27/2013 | CN202831762U Self-pulling and self-locking separated combination type hoop |
| 03/27/2013 | CN202831761U Lifting type communication iron tower |
| 03/27/2013 | CN202831760U Partially prestressed concrete pole |
| 03/27/2013 | CN202831759U Air inflation steel tube constructional element |
| 03/27/2013 | CN202831758U Stand column component structure of rush-repair tower |
| 03/27/2013 | CN202831757U 220kV-500kV variable linear power transmission tower |
| 03/27/2013 | CN202831756U Split wire pole |
| 03/27/2013 | CN202831755U Bionic tree signal tower |
| 03/27/2013 | CN202831754U Communication tower with arched inclined supports |
| 03/27/2013 | CN103003510A Illuminated double-profile fence post and associated fence structure |
| 03/27/2013 | CN103003509A An assembly rig for assembling a wind turbine tower or wind turbine tower sections and a respective method |
| 03/27/2013 | CN103001165A Same-tower dual-loop single-line transposition tower |
| 03/27/2013 | CN102995947A Lifting flag capable of being adjusted in telescopic mode |
| 03/27/2013 | CN102995946A Tooling metal fitting of power transmission and distribution composite crossarm |
| 03/27/2013 | CN102995945A 10KV power line system |
| 03/27/2013 | CN102995944A 10KV power line system |
| 03/27/2013 | CN102995943A Multifunctional wind power sightseeing tower |
| 03/27/2013 | CN102995942A Ultrasonic anti-freezing device of power transmission tower |
| 03/27/2013 | CN102995930A Integral base station for wind and light complementation tower room |
| 03/27/2013 | CN102124174B Screw foundation system with a curable filling compound |
| 03/27/2013 | CN101535582B Lifting system and appartus for constructing and enclosing wind turbine towers |
| 03/27/2013 | CN101460739B Wind and updraft turbine |
| 03/26/2013 | US8402717 Wood hybrid light pole |
| 03/26/2013 | US8402712 Method and apparatus for construction of buildings |