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Match Document Document Title
8875911 Drilling rig mast lift systems and methods  
Systems and methods for rig assembly and for erecting a mast of a rig and such systems with roller apparatus to facilitate movement of a mast section from a mover. In a first embodiment, the...
8684136 Fall arrest system and method for using same  
Embodiments of the disclosure provide a fall arrest system. The fall arrest system may include a post disposed on a clamp. The clamp may be configured to secure to a base structure. The fall...
8449242 Industrial robot and method of transporting the same  
An industrial robot may include an arm unit equipped with a hand structured to place a workpiece on the hand, a column structured to support the arm unit so as to enable the arm unit to move in a...
8366373 Collapsible, lightweight mount to support a cargo loading device  
A fully collapsible lightweight mount to support a cargo loading apparatus. The mount has releasably attached horizontal and vertical arms, with a bracket to adjustably attach a cargo loading...
8011098 Wind turbine erector  
A wind tower erection device and method for erecting wind turbine towers which avoid the need for using expensive cranes. The device and method employs a stacker unit for anchoring to the wind...
7748193 Pumping tower support system and method of use  
A support system is provided for supportably securing a vertically movable support structure having a boom attached thereto to a floor structure of a building. The support structure extends...
7086820 Apparatus for the lifting and placement of loads  
A portable lifting apparatus having an adjustable length vertical section with three legs thereon to engage the ground. A concave saddle is affixed to the upper end and an adjustable combination...
7004337 Foldable cab/pivot unit for a tower crane  
The cab/pivot unit comprises an upper mast element associated with a pivot, an access platform which extends horizontally at one side of the mast element, and a driver's cab mounted pivotably...
6668497 Concrete placing boom adapter  
A support structure for supporting a concrete placing boom above a work site. The support structure includes a support mast having a generally smooth outer surface. The support mast receives an...
6189866 Load handling assembly  
A load handling assembly that is attachable to the receiver of a receiver hitch assembly of the pickup truck. The load handling assembly includes a winch assembly in connection with a rotatable...
6021910 Construction crane base  
A platform assembly designed for use in supporting a crane during the construction of a multi-story building is described. The assembly includes a platform for supporting a crane and means for...
5934490 Combination engine hoist and stand  
A combination engine hoist and stand for lifting and supporting an engine includes a variably oriented "H" shaped multi hinged base with frame extension capability mounted on casters and a...
5217344 Large, high-capacity automated transportable construction boom for use in open areas  
A manipulator designed to handle loads on construction or public works si is shown and described. A motorized carrier (1) has an orientable pole (9) and an arm that can be folded and unfolded (16)...
5199586 Quick-connect sectional boom members for cranes and the like  
A quick-connect system is disclosed for sectional boom members for cranes and the like. The sectional boom members comprise chords for carrying compressive loads, each chord terminating in an end...
5137161 Boom support assembly  
A boom support assembly for an earth working machine, which includes a winch, a pair of tension members and a pendant pin link interposed between tension members. The first tension member is a...
4953720 Crane and method for using crane  
A crane comprises a base, a driving body for driving and controlling the crane disposed on the base rotatable in a horizontal plane, an articulated arm attached to the driving body pivotable in a...
4856662 Pedestal crane and method of assembling and erecting it  
A method of installing a boom on the top of a high vertical tower comprising vertically positioning a first tower section and securing the tower section to a base; installing a plurality of...
4826023 Crane for offshore platform and method of installing same  
A crane or derrick for use on an offshore platform comprising a base, a boom operatively connected to the base, and a sectioned kingpole secured to said base, the kingpole including a first...
4463858 Reversible portable hoist  
A portable hoist that can be mounted in a pick up truck for lifting objects and for the lifting and towing of disabled vehicles. The hoist can be used either in or out of the truck.
4387812 Intermediate cable support  
A skyline intermediate support for use in cable logging systems and a logging carriage are shown and described. The intermediate skyline support permits the skyline cable to pass freely through...
4344716 Beam joining apparatus  
Apparatus for joining a pair of flanged beams in an end-to-end relationship includes a pair of end plates each welded to an end of a corresponding one of the flanged beams. Each of the end plates...
4274542 Method for transfer of crane from tower  
A method of transferring a crane from a tower to an adjacent elevated site, such as a building under construction. The crane is raised from the tower by an elevating frame secured at one end to...
4096952 Adjustable jib crane  
A jib crane having an adjustable height. The crane comprises a sectional mast which can be lengthened or shortened. The mast has a ceiling connecting element which can accommodate sloping...
3998029 Tower crane climbing  
A tower crane and method of climbing the crane. The tower of the crane is initially stabilized at an elevated location, and the tower is released from a base frame supporting its base and elevated...
3978989 Extensible and collapsible portable derrick  
An extensible and collapsible portable derrick in which the various parts are made from a light weight metal and in which the parts can be disassembled and arranged in compact units, light enough...
3949882 Rotary tower crane  
A rotary tower crane has a tower constructed from uniformly sized sections which can be arranged to provide a tower of small or large cross section, as required. The tower sections can be aligned...
3894635 Rotary tower crane  
A rotary tower crane having a tower extendible in sections by the use of a sleeve which encloses the tower and is capable of climbing above the tower to receive a tower section to raise the level...
3866760 ROTARY TOWER CRANE  
A rotary tower crane has a tower constructed from vertically aligned rectangular sections whose cross-sectional dimensions can be altered to provide a tower of small or large cross section, as...
3789565 METHOD AND SYSTEM OF ERECTING TOWER BUILDINGS  
A method and a system of erecting tower buildings from segments of optional cross-sectional shapes to be mounted on top of each other. The object of the method is to facilitate the erection of...
3672115 METHOD OF ERECTING SUPER-HIGH-RISED TOWER STRUCTURE  
A method of erecting a super-high-rised towery structure, which comprises assembling the lowermost segment of the towery structure on a foundation in fixed relation thereto, assembling the...
3366251 Climbing crane  
3333712 Mobile platform and hoisting apparatus  
3327871 Tower cranes  
1,130,459. Tower cranes. RICHIER. 14 June, 1966 [14 June, 1965], No. 26517/66. Heading B8B. The hoisting means 17 of a tower crane is suspended from a crab 12 and is actuated by a lifting cable 8...
3302801 Gantry crane with extensible bridge girder carrying legs  
1,079,375. Bridge cranes. V. POROLI. Feb. 18, 1965 [March 3, 1964], No. 7108/65. Heading B8B. An overhead gantry crane comprises a bridge 2, Fig. 1, supported on legs which are formed by a...
3266637 Building crane for erection of tower-type structures  
3250401 Self-erecting tower crane with bayonet joints between sections  
3194412 Multiple mast section tower crane  
975,439. Wedges. STOTHERT & PITT Ltd. July 30, 1963 [July 31, 1962], No. 29467/62. Heading F2K. [Also in Division B8] In a self-adjusting wedge unit, inclined surfaces 8 on a fixed wedge 2 engage...
3193109 Slewing and erecting motor for tower cranes  
3180496 Portable derrick  
3153486 Tower crane  
3127996 Climbing cranes  
3106299 Rotary tower crane  
901,116. Erecting tower cranes. PINGON, P. J. Jan. 30, 1961 [Feb. 12, 1960; Aug. 8, 1960], No. 3463/61. Class 78 (4). An end element 1, Fig. 1, of a tower crane is raised, so that an additional...
3053398 Rotary tower crane  
3049242 Portable jib crane  
2863531 Tower erecting apparatus  
2857994 Erection frames for sectional towers  
2798574 Scaffold and hoist structure  
2746137 Method and mechanism for building tank side walls  
2720694 Method for erecting elevated structures  
2676388 Method for erecting tower cranes  

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