| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 01/16/2013 | CN202678893U Power transmission tower with three-phase lead wires in delta-shaped cross-arm-sharing distribution |
| 01/16/2013 | CN202672833U Telegraph pole erecting device |
| 01/16/2013 | CN202672832U Rotatable seat double rocker arm and inner/outer stay wire suspension mixed derrick |
| 01/16/2013 | CN202672831U Anti-theft stay wire rod |
| 01/16/2013 | CN202672830U Snake prevention device for stay wire of power tower |
| 01/16/2013 | CN202672829U Stay wire warning device |
| 01/16/2013 | CN202672828U Single-pole multi-cylinder pneumatic lifting communication tower |
| 01/16/2013 | CN202672827U Two-circuit vortex inducted vibration (VIV) string drum type straight-line tower |
| 01/16/2013 | CN202672826U Bionic type communication steel pipe pole |
| 01/16/2013 | CN202672825U Connection member made from composite material |
| 01/16/2013 | CN202672824U Tangent tower for +/- 400 kV direct current transmission line |
| 01/16/2013 | CN202672823U Power tower |
| 01/16/2013 | CN202672822U Support for mounting wireless optical communication equipment on iron tower |
| 01/16/2013 | CN202672821U Device for mounting wireless optical communication equipment on single-pipe tower |
| 01/16/2013 | CN202672766U Concrete pole repair strengthening hoop |
| 01/16/2013 | CN102877686A Luminous flagpole |
| 01/16/2013 | CN102877685A Pneumatic flagpole |
| 01/16/2013 | CN102877684A Pneumatic flag pole |
| 01/16/2013 | CN102877683A Flagpole with counterweight rod |
| 01/16/2013 | CN102877682A Anticorrosion device of thermal power chimney and construction method for anticorrosion device |
| 01/16/2013 | CN102877681A Partially prestressed concrete electric pole |
| 01/16/2013 | CN102877680A Construction method for prefabricated column to be lifted in position for one time |
| 01/16/2013 | CN102874708A Rope winding device |
| 01/16/2013 | CN101553636B Ground spike |
| 01/15/2013 | US8353141 Method and service for assembling a modular structure such as a wind power plant |
| 01/15/2013 | US8353133 Anchor for handling construction elements comprising fixed divergent arms |
| 01/15/2013 | US8353132 Method and apparatus for erection and disassembly of a sectional mast assembly |
| 01/15/2013 | CA2576397C Street fixture assembly |
| 01/10/2013 | US20130008097 Tower lifting stand system |
| 01/10/2013 | US20130008096 Utility pole |
| 01/10/2013 | US20130008094 Mounting arrangement |
| 01/09/2013 | CN202659143U Hole-digging and rod-erecting all-in-one machine |
| 01/09/2013 | CN202658950U Ventilation pressurizing water tower |
| 01/09/2013 | CN202658949U Cable terminal platform and cable terminal tower comprising same |
| 01/09/2013 | CN202658948U Lamp post base |
| 01/09/2013 | CN202658947U Annular concrete-filled steel tube strut for catenary |
| 01/09/2013 | CN202658946U Double-skin concrete-filled steel tube rod of power transmission line |
| 01/09/2013 | CN202658945U Same-tower two-circuit angle tower for 240 cross-section wire crossing |
| 01/09/2013 | CN202658944U Co-tower double return circuit tangent tower for 300 section guide wire to cross |
| 01/09/2013 | CN202658943U On-line monitoring device mounting support on steel tube tower |
| 01/09/2013 | CN202658942U Under-10KV overhead high voltage line safety guard |
| 01/09/2013 | CN202658941U Safety sign electric pole |
| 01/09/2013 | CN202658940U Single tower body with hidden connection structure |
| 01/09/2013 | CN102864962A Rotary derrick cap |
| 01/09/2013 | CN101696604B Construction method for chimney wall and special electric jacking flat bridge |
| 01/08/2013 | US8347579 Semi-butterfly connecting clamp and building steel framework joint structure |
| 01/08/2013 | US8347561 Geodesic domes with reduced strut length variations |
| 01/08/2013 | US8347559 Structure for outdoor marquees, pergolas and the like |
| 01/03/2013 | WO2013000022A1 Improved footing plates |
| 01/03/2013 | WO2013000020A1 A collapsible tower |
| 01/03/2013 | US20130000241 Wall portion for a tower of a wind turbine |
| 01/03/2013 | DE112010005382T5 Wandabschnitt für einen Windkraftanlagenturm Wall section for a wind turbine tower |
| 01/03/2013 | CA2838757A1 Improved footing plates |
| 01/02/2013 | EP2541677A1 Single-column advertising structure including a mobile telephone station |
| 01/02/2013 | EP2539512A1 Base structure |
| 01/02/2013 | EP2539136A1 Methods of connecting |
| 01/02/2013 | DE202012010644U1 Strommasten und Energiespeicher Electricity pylons and energy storage |
| 01/02/2013 | DE202012006612U1 Befestigungsvorrichtung für einen stab-, pfosten- oder rohrförmigen Gegenstand Fastening device for a rod-shaped, Abutment or tubular article |
| 01/02/2013 | CN202651735U Asymmetric W-shaped wire jumper string double-circuit drilling tower |
| 01/02/2013 | CN202650435U Simulated original ecological scenic spot introduction board |
| 01/02/2013 | CN202645113U Poling device |
| 01/02/2013 | CN202645112U Mounting operation platform for 100m high-steel chimney |
| 01/02/2013 | CN202645111U Rotating hinge for tower materials in place |
| 01/02/2013 | CN202645110U Holding pole waist hoop free of restriction on free rotation of pole body of holding pole |
| 01/02/2013 | CN202645109U Door type frame for upside-down assembling process of cable stayed v-shaped iron tower |
| 01/02/2013 | CN202645108U Water tower structure for fixing water tank in bayonet mode |
| 01/02/2013 | CN202645107U 10KV four-return-circuit steel tube bar |
| 01/02/2013 | CN202645106U Anti-bird-damage cross arm |
| 01/02/2013 | CN202645105U +/-400kV DC transmission line terminal tower |
| 01/02/2013 | CN202645104U Anti-theft protective device for stay wire of power tower |
| 01/02/2013 | CN202645103U Anti-twisting machine of stay wire |
| 01/02/2013 | CN202645102U 10kV electric pole with warning mark |
| 01/02/2013 | CN202645101U Four-circuit steel tube tower enabling double-circuit 1000 kV and double-circuit 500 kV alternating current power transmission to be conducted on same tower |
| 01/02/2013 | CN202645100U Angle steel structure with higher anti-sawing strength |
| 01/02/2013 | CN202645027U Pipe type screw corrector |
| 01/02/2013 | CN202644961U Lifting system for installing inner barrel of reinforced concrete tail gas chimney |
| 01/02/2013 | CN202644834U Novel composite stainless steel section bar |
| 01/02/2013 | CN202644734U Cross plugboard |
| 01/02/2013 | CN202644728U Anti-gliding and anti-rotating hoop cantilever base device for annular isometric contact system brace |
| 01/02/2013 | CN202644440U Rail post foot shielding cover with easy dismounting |
| 01/02/2013 | CN102859098A Tower having a pre-stressed concrete column and construction method |
| 01/02/2013 | CN102852371A Auxiliary tool for hanging steel rod |
| 01/02/2013 | CN102852370A Composite material combined type cross arm for high-tension transmission line tower pole |
| 01/02/2013 | CN102852369A Anti-climbing stair for high-voltage electric wire tower |
| 01/02/2013 | CN102213187B Water consumption free integrated power generation device capable of comprehensively utilizing wind energy and solar light thermal energy |
| 01/02/2013 | CN102174863B Power transmission line tower with uneven-bar supplement and overhaul platform |
| 01/02/2013 | CN101932414B Method of making hollow concrete elements |
| 01/02/2013 | CN101769081B Co-construction and sharing type triangle-tube tower communication base station and setting method thereof |
| 01/02/2013 | CN101672125B Device for inhibiting power transmission line steel tube pole tower vortex-induced wind vibration and method thereof |
| 01/01/2013 | US8341931 Lift-driving engagement chain |
| 01/01/2013 | US8341918 System and method for erecting a tower |
| 01/01/2013 | US8341913 Ceiling suspension system |
| 01/01/2013 | US8341897 Pitch pocket assembly |
| 12/27/2012 | WO2012175937A1 Repair arrangement |
| 12/27/2012 | WO2012175406A2 Production of a tower |
| 12/27/2012 | DE102011078016A1 Turmfertigung Tower Manufacturing |
| 12/27/2012 | CA2837780A1 Method for producing a tower segment of a concrete tower of a wind energy installation |
| 12/26/2012 | EP2538000A2 Method for correcting ovality in wind turbine towers |
| 12/26/2012 | EP2536901A2 Movable ground support |
| 12/26/2012 | EP2536882A2 Deplogable anchor assembly and method for the fitting thereof |