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| Number | Title | Issue Date |
| 8104631 | Portable crane system for wind turbine components A portable crane assembly for servicing a wind turbine. The crane assembly includes a first primary support member and a second primary support member being rotatably attached to one another. The first primary support member is configured to attach to a wind turbine... | 01/31/2012 |
| 7789252 | Wind turbine nacelle with integral service crane for accessing turbine components A service crane for a wind turbine comprising a main crane beam (128) having a track (154) that accommodates a trolley (156). A hinge (144) is provided at a pivot point (148) near a proximate end of the main beam (128), such... | 09/07/2010 |
| 7748547 | Movable independent crane system used temporarily for moving or replacing components and mounting wind generators A movable independent crane system for moving or replacing components during maintenance operations and for mounting wind generators, including an auxiliary portal crane providing a portal structure designed to be movable around a pod about a rotation shaft. The mob... | 07/06/2010 |
| 7726497 | Removable externally mounted slewing crane for shipping containers A slewing crane is assembled and installed at the end of a shipping and stowage container having block-shaped corner fittings. Left and right rotatable mounts engage top corner fittings on the container, and a cross piece section engages the rotatable mounts. A boom... | 06/01/2010 |
| 7681747 | Crane A crane to be fitted in a window opening or the like, between two opposing surfaces, has a strut (14) which is first braced between the surfaces (20a, 20b), and a boom (13) which extends away from the strut. A winch (5 | 03/23/2010 |
| 7621410 | Removable externally mounted bridge crane for shipping containers An X-Y bridge crane can be assembled and erected by workmen to lift and move loads at the end of a shipping and stowage container having block-shaped corner fittings at top corners and bottom corners. Rotatable top securing brackets engage the top block-shaped corne... | 11/24/2009 |
| 7556160 | Portable lift, support, removal and/or installation system and method A removable cover support system and method for supporting a cover of a cover assembly having a cover support extension and a cover flange having cover flange holes has a cover flange securing base assembly having a base member and a securing mechanism slidably inse... | 07/07/2009 |
| 7520398 | Gin hoist A gin hoist adapted for attachment to the cross arm of a power pole. The gin hoist includes a base support structure with two side rails connected by rungs, an upper load bearing member that rests on the top surface of the cross arm and a lower load bearing member t... | 04/21/2009 |
| 7407039 | Portable hoist lifting frame kit A portable hoist lifting frame kit has a cross beam 12 that can support an electrically, mechanically, hydraulically or pneumatically operated hoist. The cross beam is secured to or supported by cantilever arms 9 which in turn locate into extension arm... | 08/05/2008 |
| 7377398 | Portable knockdown trolley hoist A portable knockdown trolley hoist, comprising: a trolley support member having opposing ends; a trolley having a plurality of upper roller bearings and a plurality of lower roller bearings, the trolley rollably sandwiching an upper portion and a lower portion of th... | 05/27/2008 |
| 7367461 | Movable girder mounted jib A portable jib for movably mounting to a crane girder includes a base frame configured for traveling along a girder and a support member coupled to the base frame, wherein the support member extends substantially upward from the base frame. A boom is coupled to a fr... | 05/06/2008 |
| 7367462 | Billboard advertising copy hoist system A hoist system can be used to raise articles. The hoist system can include a mounting structure attachable to a billboard structure, a pole member fastenable to a mounting structure and a winch assembly. The winch assembly has at least one component coupled to the p... | 05/06/2008 |
| 7293668 | Manual boom lift method and apparatus Manual boom lift apparatus and method involve a base having three support legs, a fulcrum configured to fixedly mount the legs, a boom member detachably mounted on the fulcrum, the boom member including on either end a counterbalance arm configured for detachably mo... | 11/13/2007 |
| 7290672 | Tower crane device A crane tower device includes a basket that supports a tower crane and sits within a bay formed by the vertical columns of a building under construction. The basket and the tower crane are supported by support stubs that are attached to the vertical columns. Because... | 11/06/2007 |
| 7213715 | Hoisting apparatus for use at a manhole A hoisting apparatus (10) for use at a manhole (1), comprising a supporting mast and a jib crane (14) connected at an angle to an upper end portion (16) of the supporting mast (12). The jib crane (14) has a front member (... | 05/08/2007 |
| 7191732 | Apparatus and method for feeding wild animals A wild animal feeder is disclosed which is attachedly suspended form a tree or other stabilized element and may be horizontally and vertically suspended from same. ... | 03/20/2007 |
| 7189047 | Apparatus for moving a battery An apparatus for moving a battery relative to a shelf unit includes: (a) a motion generating unit presenting a first force in a first motion type at a first output locus; (b) a motion translating unit receiving the first force and translating the first force to pres... | 03/13/2007 |
| 7182319 | Roller assembly for a lifting device for a personal-transportation vehicle A preferred embodiment of a roller assembly for a lifting device for a personal-transportation vehicle includes a shaft member for mounting on a lifting arm assembly of the lifting device and having an outer surface, and a roller member for supporting a lifting stra... | 02/27/2007 |
| 7182318 | Method and apparatus for removing and installing a differential of a vehicle A hoisting assembly that is adapted to be mounted to the frame of a vehicle where a hoisting device extends an attachment member such as a hook to connect to an engagement location of the differential where the hoisting assembly is positioned substantially verticall... | 02/27/2007 |
| 7178181 | Portable hoist system for assisting in the movement of a disabled person A hoist and associated method for erecting the hoist for assisting movements of disabled persons. The hoist has a fixed-length stanchion that is supportable at opposing longitudinal ends thereof by first and second support members that are, in turn, fixed to a facil... | 02/20/2007 |
| 7147117 | Tower crane device A crane tower device includes a basket that supports a tower crane and sits within a bay formed by the vertical columns of a building under construction. The basket and the tower crane are supported by support stubs that are attached to the vertical columns. Because... | 12/12/2006 |
| 7073754 | Cable support systems Cable Support Systems for supporting an object at a desired distance below an overhead beam or other overhead structure are provided. Novel clamps for clamping to the overhead structure are fitted to support cables that encircle objects to be supported by the cable ... | 07/11/2006 |
| 7059955 | Portable animal hoists A portable hoist for suspending a load, which may be an animal. The portable animal hoist may include a telescopic arm rotatable about a base. The base may be configured to be releasably attachable to many devices, one of which may be a receiver hitch on a vehicle. ... | 06/13/2006 |
| 7044313 | Portable hoist A portable hoist for preferably lifting and moving a trowel machine is disclosed. The portable hoist is comprised of a base and a plurality of legs coupled with the base. A foot is rotatably attached to one end of each of the legs. The rotatable attachment allows th... | 05/16/2006 |
| 7025218 | Billboard advertising copy hoist system A hoist system can be used to raise articles. The hoist system can include a composite pole member having a bend, a mounting structure attachable to the composite pole member and a winch assembly. The winch assembly has at least one component attached to the pole. T... | 04/11/2006 |
| 6983856 | Portable crane The present invention discloses a portable crane having an elongated boom which attaches at one end to a lower end of a base frame member wherein the upper end of the boom has a stabilizer member attached thereto which stabilizer attached to the upper end of the bas... | 01/10/2006 |
| 6942198 | Lifter A lifter is constructed to include a hollow main upright, a frame pivoted to the main upright to carry a hand winch, a link coupled between the frame and the main upright, a hollow auxiliary upright axially movably mounted in the hollow main upright, a lifting uprig... | 09/13/2005 |
| 6926120 | Masonry project kit Masonry project kits assist with building basements. In the course of building a basement, it is frequently necessary to climb over and lift equipment over walls. A wall hanger is provided to attach a ladder to the side of a wall. The ladder's height can be adjusted... | 08/09/2005 |
| 6920963 | Apparatus having vertically movable personnel cages for a spreader An apparatus for transporting people by a spreader having a vertically moveable head beam with a pair of horizontally extendable long bars includes a pair of personnel cages carried by a pair of cantilever beams extending from a housing. The personnel cages can be m... | 07/26/2005 |
| 6915618 | Tower monopole reinforcement Reinforcing apparatus for tower monopoles. The reinforcing apparatus comprises vertical threaded reinforcing bar rods, or rods with threaded ends, arranged around the pole and embedded in the pole foundation. The rods extend upward and are attached to the pole at sp... | 07/12/2005 |
| 6786343 | Portable lift, support and/or installation system and method A system and method for portable lift, support, and/or installation is disclosed which permits and enables these various functions without the need for external crane/lift machinery. The system comprises a channel member (201) attaching means and associated c... | 09/07/2004 |
| 6578721 | Pivoted arm for lowering under a slab An instrument (1) is lowered into a tank with a narrow opening (4) guided by an articulated arm (11) mounted on a mobile trolley on the periphery of the opening. The rotation of the arm consecutive to this movement and the pivoting of the lower section (1... | 06/17/2003 |
| 6575685 | Hoisting platform system The invention pertains to a hoisting platform system which is usable in the construction of high rise buildings Included in the system are two I-beams which are mounted on a higher floor of the building under construction which has been finished already. ... | 06/10/2003 |
| 6499610 | Portable hoist system A portable hoist system includes a base assembly which includes a pintle. Slidably mounted over the pintle is a hoist support assembly. The hoist support assembly includes a substantially vertical tube which is connected at its top portion to a support ar... | 12/31/2002 |
| 6491174 | Inverted pedestal crane An inverted pedestal crane has a base mountable to an underside of a horizontal support structure, such as for example a rig floor. A crane pedestal extends downwardly from the base, and a boom connects pivotally to the pedestal. The pedestal and the cran... | 12/10/2002 |
| 6478172 | Portable lifting device A portable lifting device provides the heavy and massive object lifting, loading and/or unloading through the window opening and includes a plurality of telescopic stanchions, each of which comprises at least two of a plurality of telescopic sections, a f... | 11/12/2002 |
| 6478171 | Vinyl lifting crane and method A portable vinyl lifting crane with a nip roller drive system that feeds a preferred flat rope between the rollers for traction to achieve two primary functions. One function enables the hoist to climb itself up to a structure by securing one end of a pre... | 11/12/2002 |
| 6412736 | Collapsible pinata hoist A collapsible pinata hoist to eliminate the need for finding a large tree or other pinata rope support structure when it is desired to have a pinata at a gathering such as a birthday party or other celebration. The collapsible pinata hoist includes a V-sh... | 07/02/2002 |
| 6305560 | Multiple pedestal ring for ringer crane A system of multiple concentric annular support pedestal rings for providing load and counterweight support for a ring supported crane. The pedestal rings are fabricated from uniform sections of steel, which are mated at preferably triangular shaped ends.... | 10/23/2001 |
| 6279764 | Hoisting device A hoisting device (1) comprises at least a hoisting mast (7), a foot (4) arranged on the underside and connected to the hoisting mast, and a lifting device (6) connected at least to the top of the hoisting mast (7). The hoisting device (1) is assembled fr... | 08/28/2001 |
