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| Number | Title | Issue Date |
| 8112946 | Articulating mast The present invention relates to an articulating mast having sections that may be moved between an open, in-use position and a more compact reduced width configuration for storage and transportation. ... | 02/14/2012 |
| 8046959 | Construction apparatus with pivotable mast The invention relates to a construction apparatus comprising a base carrier, a mast which is arranged on the base carrier in a pivotable manner, a first hydraulic cylinder and a second hydraulic cylinder for erecting the mast, which are connected to each other in an... | 11/01/2011 |
| 7621077 | Hinged pole apparatus A hinged pole having a base plate secured to the lower end thereof with the base plate having a plurality of upstanding brackets secured thereto. A cart is provided which is mounted on the foundation of the pole and is secured thereto and which is connected to the p... | 11/24/2009 |
| 7365446 | Wind power plant having power module mounted on tower foundation and method for use in constructing same The invention relates to a method for constructing a wind energy plant and to a wind energy plant as such. An aim of one aspect of the invention is to provide a method for constructing wind energy plants at lower expenses and more rapidly. According to one aspect, a... | 04/29/2008 |
| 7308953 | Mobile drilling rig An embodied mobile drilling rig is made of three sections, two substructures and a mast section, which are easily transported and installed at a drilling site. Each substructure includes a mast starting section; a floor side box connected to the mast starting sectio... | 12/18/2007 |
| 7290621 | Integrated mast and top drive for drilling rig A process to lower or raise a drilling rig for transportation wherein the drilling rig includes a mast and a top drive. The process to lower includes the steps of moving the top drive within the mast with a vertical guide and torque reaction mechanism to a locked po... | 11/06/2007 |
| 7228671 | Top-down method of assembling dome structures A strutless building module comprising a polygon having a plurality of inclined faces that converge at the module center, said module center having a center connector, said module further having sides that angle downwardly from their respective module faces and incl... | 06/12/2007 |
| 7210882 | System and process for transporting wind turbines A system is used to transport wind turbines on railroad cars. The wind turbines are partially disassembled into four types of components—nacelles, blades, rotor hubs and tower sections. The blades are stored in cargo containers suitable for use in multi-mode trans... | 05/01/2007 |
| 7207777 | Methods of handling wind turbine blades and mounting said blades on a wind turbine, system and gripping unit for handling a wind turbine blade The invention relates to methods of handling wind turbine blades and mounting said blades on a wind turbine, said method comprising the steps of lifting a wind turbine hub to the nacelle of wind turbine with a lifting system and mounting the hub on the nacelle. Furt... | 04/24/2007 |
| 7182042 | Support pole with pipe-hinge slide lock A self-latching hinge mechanism (14) and apparatus (10) for applications where access to a pole mounted device is required. The hinge comprises a top section (28) with a cantilevered tail piece (38) which extends beyond a pivot (36... | 02/27/2007 |
| 7165929 | Load bearing member arrangement and method In the design of load bearing members for use in work machines, it is oftentimes beneficial to minimize the weight of such structures which, in turn, may allow for increased payloads and decreased cycle times of the work machine. A load bearing arrangement for use w... | 01/23/2007 |
| 7163112 | Material transloading equipment The invention concerns a material transloading equipment unit with an undercarriage and a turntable connected with this undercarriage by means of a track ring, on which an arm that can be pivoted by means of at least one hoisting cylinder is pivot-mounted. According... | 01/16/2007 |
| 7105940 | Mobile renewable energy generator A method and apparatus for a portable renewable energy generator includes; a movable platform adapted for one of towing and transport to a remote area, a redundant renewable energy source generator including a wind energy extraction device configured for transport o... | 09/12/2006 |
| 7089705 | Portable tower system A portable surveillance system having an easily transportable skid-type base structure that forms a support for a portable tower apparatus. Stabilizers are extendably mounted to the base structure. The tower components include a base member affixed to the base plate... | 08/15/2006 |
| 7015872 | Mast assembly An antenna installation having a tower including supporting a mast supported adjacent its upper end and in turn being supported adjacent its lower end by a first hinge mechanism for pivotal movement about a first horizontally disposed hinge axis between a generally ... | 03/21/2006 |
| 6955025 | Self-erecting tower and method for raising the tower A tall tower is divided into an upper section with a tower top and a lower section with a tower bottom. The sections are hinged together. The lower section is hinged to a tower base. A telescoping crane is attached to a lift point on the lower section. The crane is ... | 10/18/2005 |
| 6923615 | Wind driven power generator A wind driven power generator is designed for mobile applications and locates the generator in a power housing at the base of the unit on an adjustable mounting arrangement. A lightweight high strength hollow column is supported in the power housing and supports a w... | 08/02/2005 |
| 6782667 | Tilt-up and telescopic support tower for large structures A support tower for large structures such as wind turbines generators, microwave structures, high voltage transmission lines or the like, constructed of telescopic sections with the lowermost section having an edge portion pivotally connected to a foundation to enab... | 08/31/2004 |
| 6508371 | Jib crane A jib is supported for its luffing movement by a luffing rope mounted to a longitudinally intermediate portion of the jib. The jib has a truss structure with upper and lower beam members respectively overhanging upward and downward of load action line whi... | 01/21/2003 |
| 6405492 | Mobile working apparatus In order to be able to shift a leader (18), which is disposed on a travelling chassis (10) via a carrying mechanism (16), both towards the front and also towards the rear into a substantially horizontal position, the carrying mechanism (16) has at least o... | 06/18/2002 |
| 6322038 | Flush-mounted davit apparatus A mounting assembly for a davit to support a platform by supporting lines, is secured by a receptacle flush mounted on an elevated floor of a building. The mounting assembly is secured and moved into engagement with the mounting assembly by a socket of a ... | 11/27/2001 |
| 6272413 | Safety system for boom-equipped vehicle While a crawler body 110 is traveling, infrared sensors 144 and an elevational difference calculator 132 incorporated in a controller 130 detects the magnitude of a step present ahead of the crawler body 110. A safety speed calculator 134 calculates a saf... | 08/07/2001 |
| 6253502 | Van with extensible boom A conventional cargo or passenger-type van (typically about 14-24 feet in length) is fitted with a boom assembly that is readily transported with the van in a collapsed position and substantially parallel to the van roof, but can be elevated to a substant... | 07/03/2001 |
| 6106217 | Lift arm arrangement of a construction machine Conventional lift arm arrangements for construction machines include a pair of lift arms that are welded fabrications forming box-beams. The lift arms are typically connected by a cross tube that is welded to the inner walls of each lift arm. This type of... | 08/22/2000 |
| 6098349 | Collapsible structures Collapsible structure are provided having a first base panel and a second panel, each having a foldable frame member that has a folded and an unfolded orientation, and a material partially covering the frame member when the frame member is in the unfolded... | 08/08/2000 |
| 5899651 | Column counterbalancing apparatus Counterbalancing apparatus for a lamp column in which an upper part of the latter is pivotally mounted on a fixed lower part so that the upper part can be swung down for lamp servicing, comprises a compression spring assembly or a hydraulic ram arranged t... | 05/04/1999 |
| 5782042 | Tilting pole system A new Tilting Pole System for allowing an individual to quickly and easily perform maintenance upon an object conventionally supported by an elongated pole. The inventive device includes a lower pole, an upper pole pivotally secured to a top end of the lo... | 07/21/1998 |
| 5572837 | Pneumatic telescoping mast A pneumatically telescoping mast adapted for mounting an electrical fixture is disclosed. The telescoping mast includes a pneumatic control system to extend the mast from a retracted position to an extended position. The mast is made up of adjacent telesc... | 11/12/1996 |
| 5572836 | Rotational flagpole Disclosed is a rotational flagpole pivotally mounted to a rigidly affixed base with a tongue and slot combination that enables the flagpoles to rotate around the pivot. The flagpole can also be locked in place to prevent rotation. The rotational flagpole ... | 11/12/1996 |
| 5524398 | Portable collapsible tower A portable collapsible tower including a frame, at least one stationary tower member fixed to the frame and at least one movable tower member movable along the exterior portion of the stationary tower member relative to the stationary member. A coupling, ... | 06/11/1996 |
| 5438805 | Device for raising and lowering elongated support structures A device for raising and lowering a pole or other elongated support structure has a stand on which the elongated support structure is mounted. The stand is pivotally connected to a base. An actuator, such as an hydraulically actuated cylinder, raises and ... | 08/08/1995 |
| 5305576 | Method of constructing curvilinear structures A method of constructing curvilinear structures utilizes an armature mast, an armature boom having a vertically and horizontally pivotable arm terminating in a reinforcing rod (rebar) tying guide, and associated hardware. The tying guide is aligned with a... | 04/26/1994 |
| 5269107 | Mobile boring rig Mounted on a vehicle (10), the mast (20) of a boring rig is supported by an erection hinge (18). The erection hinge (18) is provided on a first carriage (19) having a support cylinder attached (28) to it for the purpose of support and erection of the mast... | 12/14/1993 |
| 5233809 | Portable antenna mast support system This invention relates to a portable, easy-to-put-together, strong, durable mast support system for use in field operations where an antenna mast, or other similar mast, needs to be safely and quickly assembled, raised and supported. The mast support syst... | 08/10/1993 |
| 5116064 | Game post assembly A target assembly utilizes a post that is so supported on a base as to enable it to maintain positions deflected from its normally upright orientation.... | 05/26/1992 |
| 5058336 | Hinged flange pole A column is attached at a base flange to a plate of a base member by way of an offset horizontal pivot, and can be pivotally raised and lowered by means of a ram. The pivot lies in the general plane of the flange and the plate so that, when the column is ... | 10/22/1991 |
| 5020957 | Mast to base connection for a storage and retrieval machine A mast to base connection for a storage and retrieval machine which incorporates a pin connection between the mast and the base. The base of the machine is formed as a plurality of elongated plates standing on edge with upwardly extending lugs formed inte... | 06/04/1991 |
| 5018933 | Device for transferring an invalid to and from an automobile A device (10) for transferring an invalid includes a beam (11) comprised of two telescopically received tubes (12,13); a track (14), slidably engaged within said beam capable of supporting a rolling trolley (15) and connected winch (16) for providing a ve... | 05/28/1991 |
| 4924651 | Process of erecting an inflatable building A process for erecting a inflatable building structure which is especially adapted for housing plants. The process includes the steps of (1) installing a plurality of support posts in the ground or other suitable base; (2) attaching a roof structure formed fro... | 05/15/1990 |
| 4903442 | Mast for measuring or illumination purposes, especially for flight navigation lights A mast for measuring or illuminating purposes, especially for flight navigation lights or for wind measuring devices, which is designed as a glass-fiber or carbon-fiber reinforced plastic mast.... | 02/27/1990 |
