| Patents for E04H 12 - Towers; Masts, poles; Chimney stacks; Water-towers; Methods of erecting such structures (12,702) |
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| 05/24/1988 | US4745851 Process for the construction of a gas-tight, thermally insulated lining for a free-standing stack |
| 05/24/1988 | US4745714 Articular pole assembly capable of winding |
| 05/19/1988 | WO1988003593A1 Pole reinforcement system |
| 05/19/1988 | WO1988003585A1 Process and device for damping vibrations of unstable bodies |
| 05/19/1988 | DE3717460A1 Vorrichtung und verfahren zur schwingungstilgung von schwingungslabilen koerpern Apparatus and method for vibration grace of vibration labile bodies |
| 05/19/1988 | DE3639137A1 Carrying mast, in particular for power lines |
| 05/19/1988 | DE3638499A1 Wood connector |
| 05/19/1988 | DE3153357C2 Acid-resistant lining for an industrial chimney |
| 05/17/1988 | US4745412 Lightweight tower assemblies for antennas and the like |
| 05/17/1988 | US4744561 Safety base with anchor |
| 05/10/1988 | US4742661 End fitting for crossarm brace |
| 05/05/1988 | DE3717523C1 Protective means for a steel lattice mast |
| 05/04/1988 | EP0265610A1 Telescoping mast with coaxially disposed mast elements |
| 05/04/1988 | EP0265499A1 Post support |
| 05/03/1988 | CA1235875A1 Stack system |
| 04/28/1988 | DE3636078A1 Reinforcing core comprising metal tubes for an externally stepped or conical plastic mast, and mast provided with such a core |
| 04/28/1988 | DE3635597A1 Apparatus for demolishing chimneys or the like |
| 04/27/1988 | EP0264915A1 Anchoring rod for boundary posts or other applications |
| 04/26/1988 | CA1235562A1 Anchoring device for posts for fences, guard-rails, tents etc. |
| 04/21/1988 | DE3634266A1 Post anchor with a carrying plate |
| 04/19/1988 | US4738060 Permanent marker for utilities |
| 04/19/1988 | US4738058 Post |
| 04/19/1988 | CA1235279A1 Pole structure with diagonal inner bracing |
| 04/05/1988 | US4735152 Cantilever shelf |
| 04/05/1988 | CA1234671A2 Tower-foundation anchor interconnection |
| 03/17/1988 | DE3729353A1 Retractable multipurpose pole for assisting excavation work on archaeological sites |
| 03/08/1988 | CA1233617A1 Cylindrical mast element, and its assembly in abutment with similar elements for the construction of the mast |
| 03/01/1988 | US4728749 Utility pole assembly |
| 02/18/1988 | DE3627338A1 Apparatus for vibration damping on steel chimneys and similar tower-like structures |
| 02/04/1988 | DE3626189A1 Flue-gas pipe for a chimney, in particular industrial chimney |
| 02/03/1988 | EP0167552B1 Movable apparatus for driving into the ground various objects by percussion |
| 02/02/1988 | US4722162 Orthogonal structures composed of multiple regular tetrahedral lattice cells |
| 02/02/1988 | US4722157 Building frame support |
| 01/19/1988 | US4720204 Banner arm break-away device |
| 01/19/1988 | CA1231695A1 Base for supporting an upright post of a garden umbrella or the like |
| 12/29/1987 | CA1230727A1 Poleshaped supporting member, and base structure for attachment of same |
| 12/23/1987 | DE3707641A1 Property-protection means on high-voltage lattice masts of all magnitudes |
| 12/22/1987 | US4714225 Foundation system for ground-mounted masts |
| 12/16/1987 | EP0249307A2 Collapsible truss unit for use in combination with other like units for the construction of frameworks |
| 12/12/1987 | CN86207605U Mechanical assembly at portal |
| 12/12/1987 | CN86203751U Prestress concrete cable tower |
| 12/10/1987 | DE3618609A1 Covering cap for wooden masts |
| 12/09/1987 | CN86106344A Network type wind power station with build-up wind |
| 12/02/1987 | CN87201308U Corrosion preventive iron chimney |
| 11/19/1987 | WO1987006993A1 Post support |
| 11/18/1987 | CN86209980U Combined shower towers |
| 11/17/1987 | US4706345 Clamping device for a traction member, particularly for a rope, cable belt, cord or the like |
| 11/04/1987 | EP0243376A1 Device for anchoring bar-shaped objects, in particular poles in the soil. |
| 10/31/1987 | CN86210735U Protective device for steel rings of combined concrete poles |
| 10/28/1987 | EP0243286A2 Base for removably securing and supporting a support post |
| 10/28/1987 | EP0243244A1 Lifting method for a multisectional mast, means for carrying out the method and masts with these means |
| 10/28/1987 | EP0243176A1 Columns |
| 10/27/1987 | US4702057 Repairing utility poles |
| 10/20/1987 | US4701577 Cable support for an electric power-line pole |
| 10/06/1987 | US4697959 Method and apparatus for installing an in-ground support footing around an upstanding elongate object |
| 10/06/1987 | US4697779 Articulation device for use in raising and supporting an antenna mast |
| 10/06/1987 | US4697396 Utility pole support |
| 10/01/1987 | DE3612959A1 Chimney element |
| 09/29/1987 | US4696135 Method and apparatus for constructing towers |
| 09/24/1987 | DE3608771A1 Inner tiered pole |
| 09/22/1987 | US4694630 Tower and method of constructing a tower |
| 09/16/1987 | EP0236678A1 A structure for bearing insulating material, in particular for the thermoinsulation of hot and wide surfaces |
| 09/09/1987 | EP0235131A1 Post for traffic signals and the like. |
| 09/02/1987 | EP0233870A1 A modular utility pole |
| 08/27/1987 | DE3705819A1 Structural part of a construction which consists predominantly of wood, for example a pergola or a fence, with the attachment stake and "Pure" used for this |
| 08/27/1987 | DE3605747A1 Threaded cone clamping bush |
| 08/25/1987 | CA1225814A1 Support shoe |
| 08/18/1987 | US4687380 Tower structure and methods of fabricating such a structure |
| 08/13/1987 | DE3703804A1 Mobile mast, in particular for supporting aerials for radios, television and the like |
| 08/13/1987 | DE3703200A1 Apparatus for providing a foundation for a mast |
| 08/04/1987 | US4684286 Structure for coupling a bar-like member |
| 07/29/1987 | EP0230403A1 Elevating device for the mast sections of a sectional mast, especially a movable aerial mast of framework type |
| 07/28/1987 | US4682747 Utility insulated cross-arm |
| 07/23/1987 | DE3601584A1 Releasable rigid connection of tubes, in particular upright tubes for traffic signs |
| 07/16/1987 | WO1987004212A1 Guy-wire guard assembly and fastening systems therefor |
| 07/16/1987 | WO1987004204A1 Method to build framework constructions |
| 07/14/1987 | US4679672 Overhead electric traction system for railways |
| 07/07/1987 | US4677803 Deployable geodesic truss structure |
| 07/01/1987 | EP0227434A2 Electrical services pole |
| 06/30/1987 | US4677444 Device for raising a mast |
| 06/30/1987 | US4676471 Portable stand for a tree |
| 06/24/1987 | EP0226562A1 Water tower |
| 06/24/1987 | EP0226160A2 Truss structure and method and apparatus for construction thereof |
| 06/16/1987 | US4672782 Smokestack or tower of precast reinforced concrete modules |
| 06/10/1987 | CN86107972A 水塔 Tower |
| 06/02/1987 | US4669154 Support elements for vertical members |
| 05/26/1987 | US4667746 Mobile apparatus for driving different objects into the ground by impact |
| 05/26/1987 | US4667451 Collapsible truss unit, and frameworks constructed by combinations of such units |
| 05/20/1987 | EP0221992A1 Post. |
| 05/12/1987 | US4664143 External water tower |
| 05/12/1987 | US4663902 Fence post anchor |
| 05/12/1987 | US4663900 Locking mast and stop ring assembly |
| 05/07/1987 | WO1987002734A1 Device for anchoring bar-shaped objects, in particular poles in the soil |
| 05/06/1987 | EP0144391B1 Anchoring device for posts for fences, guard-rails, tents etc. |
| 05/05/1987 | US4662146 Building frame support and method of erection |
| 05/05/1987 | US4662139 Base support for pole |
| 05/05/1987 | US4662130 Extendible structure |
| 04/28/1987 | US4660336 Storage tank construction |
| 04/28/1987 | CA1221144A1 Overhead electric traction system for railways |
| 04/28/1987 | CA1220999A1 Umbrella support construction |