Matches 1 - 36 out of 36


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8327979 Portable non-motorized automatic lift and transport apparatus for small vehicles  
A portable, non-motorized automatic lift and transport apparatus allows users to lift and transport a small, powered vehicle with minimal physical exertion and without the need for secondary power...
8316994 Battery powered vertical lift assembly  
The invention is a battery powered vertical lift assembly adapted for vertically raising and lowering a load along a substantially vertical structure. The vertical lift assembly comprises a...
8276713 Method of building liquid tank using movable scaffolding  
Disclosed is a scaffold installed within a large structure such as a pressure vessel or a tank of a ship, and an insulation system construction method using the same. The scaffold for use in...
8261879 Liquid tank building system using movable scaffolding  
Disclosed is a scaffold installed within a large structure such as a pressure vessel or a tank of a ship, and an insulation system construction method using the same. The scaffold for use in...
7975807 Elevator climbing system  
A portable elevator climbing system removably attachable to a cantilevered overhang on an adjacent structure, whereby an elevator car travels up and down a plurality of roller chains. The roller...
7681691 Planar object lifting apparatus  
An apparatus for lifting planar objects which includes an extendable rectilinear elongated frame formed of at least two spaced U-beams, each U-beam defining a longitudinal runway and having an...
7546902 Personnel lift apparatus  
Accordingly, embodiments of the inventive disclosures made herein comprise a personnel lift apparatus for raising or lowering a standing person between two or more elevations or from a base...
7537088 Portable hoist assembly mounting systems and methods  
The systems and methods of the present invention provide support for a holster mounting into which the vertical support of a portable hoist assembly is inserted. Disclosed is a saddle mount for...
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...
7090457 Portable lift for installing and uninstalling computer-related equipment into a storage cabinet  
A portable lift (10) for installing and uninstalling computer-related equipment (12) into a storage cabinet (14) broadly comprises a frame (16) operable to be removably secured to the storage...
6304257 Procedure and apparatus for presenting elevator functions  
A method and an apparatus for presenting elevator functions on a display in the user interface of the elevator. The functions of the elevator are monitored and changes occurring in the functions...
6257556 Safety fence used on a building being constructed  
A safety fence used in a field of a construction work includes a guide rail disposed parallel to an outer wall of a building being constructed. A fence frame is disposed to cover the outer wall...
6079520 Method of retro-fitting elevators to existing buildings  
A method of retrofitting an elevator to an existing multistory building includes providing a preassembled elevator unit comprising an enclosure containing an elevator car and a drive mechanism for...
5083893 Lifting device for water container  
A lifting device operated by a hand crank is described to hoist a weighted container, such as a bottle of drinking water, to the upper level of a water dispenser. When a container of water is...
4938310 Scaffold lift  
A device which is easily attached to the side of a scaffold for lifting objects up the side of the scaffold. The device consists of a carriage which has a rectangular frame having guide members...
4930599 Ladder and carriage combination  
A combination ladder and carriage carried by the ladder for up and down movement to carry loads up the ladder at construction sites including building, repairs and the like at elevated heights....
4875547 Portable conveyor system with telescopic boom assembly and load carrying apparatus  
A portable conveyor system comprises an extensible and retractable boom assembly mounted on a transportable stationary support. The boom assembly comprises a plurality of longitudinally spaced...
4793437 Portable lift with telescopic booms and load-carrying apparatus  
Inclined telescopic booms actuated and regulated from the ground with detachable rungs forming a level track between the telescopic booms. A two-stacked load carrier, both stages on crawler type...
4550806 Elevating apparatus  
An elevating apparatus comprises an inclined elevator and a load-carrying carriage. The inclined elevator comprises a pair of guide rails, and the carriage is movable along the guide rails by...
4550807 Building construction lift apparatus  
A portable lift apparatus for use in building construction. Two vertical members with attached endless chains or cables move lift members to the top of a building. The lift members pivot to lay...
4512440 Rungless motorized ladder  
A rungless motorized ladder of a type having an elongated pole with a cable attached at the top thereof. At the bottom thereof, the cable is attached to a spool which is motorized. The spool is...
4262773 Portable scaffold  
A self-contained scaffold and lift unit includes first and second pairs of parallel, spaced apart vertical rails joined together by horizontal braces. A movable lifting carriage unit is disposed...
4165810 Rolling-cargo loading/unloading ramp having a stowable lift for palletized cargo  
An inclined ramp, for loading and unloading rolling cargo between ground level and a cargo bay of an air transport, incorporates a stowable lift for handling palletized cargo which is deployable...
4128228 Extension ladder hoist  
A support having a hoist for raising and lowering articles from one elevation to another in which one portion of the support is a ladder.
3951236 Mountable hoist  
A hoist having an outer principal channel post and an inner secondary channel member, longitudinally movable therewithin, the secondary channel member being moved by a winch and cable and being...
3902700 Step ladder supported portable bridge-crane structure for lifting materials to the top of an adjacent building  
A portable bridge-crane structure designed to provide means of lifting construction materials and equipment such as compressors for air conditioners to the roof of a building where construction or...
3763964 OUTSIDE ELEVATOR  
An outside elevator used for the purpose of hauling men and materials in and out of a multi-story building during construction or other periods depends solely for the support of its own weight and...
3690412 HOIST FOR MULTI-STORIED BUILDINGS UNDER CONSTRUCTION  
A hoist having a support structure to be releasably secured to the building frame and having raising means for lifting it relative to the building frame. A hoisting cable extends between the...
3666054 LADDER DOLLY AND WINCH  
A hand truck mounted on wheels has a load carrying framework and an extendable handle for steering the hand truck to the base of a ladder. The rear side of the hand truck framework has flanged...
3313376 Lightweight elevator  
3223199 Scaffolding hoist  
3207263 Self-climbing formwork hoist  
3115211 Ladder hoist  
3055523 Extension hand truck  
2883002 Building materials elevator for scaffolds  
2855072 Hoist  

Matches 1 - 36 out of 36