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In 1608, Dutch eyeglass maker Hans Lipperhey filed the first patent for a working telescope. The patent was denied.
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| Number | Title | Issue Date |
| 7399019 | Automatic adjustable spreader bar A device for lifting oversized pieces of material. The device includes a spreader bar capable of attaching to a lifting vehicle. At least two cross members are attached to the spreader bar along with at least one cross-member power source. The at least one cross-mem... | 07/15/2008 |
| 7353572 | Snap hook A snap hook having a hook shank and a gate keeper. The hook shank includes a main body and a hook member. The hook member has a hook bowl and a hook bill with the hook bill and the main body defining a gateway opening therebetween. The gate keeper has an open positi... | 04/08/2008 |
| 7195296 | Portable remote hydraulic activator An apparatus that remotely actuates a hydraulic motor of a hydraulic device including a mounting device supported by the hydraulic device; a hydraulic pump located on the mounting device for supplying pressurized fluid to the hydraulic motor; a driving device locate... | 03/27/2007 |
| 7134701 | Frame for lifting beams and other elongated loads A lift frame adapted to be pivotally mounted on a hoist include a tubular sleeve guide that guides a lift slide. The lift slide carries a lift frame for supporting a load such as a beam or truss to be lifted, and is spring loaded in an upward direction by a spring e... | 11/14/2006 |
| 7086677 | Vertical transport lift for moving containers from deck to deck in a commercial aircraft A vertical lift system is constructed for transporting a receptacle, such as a food or supply receptacle from one deck to another deck, particularly in an aircraft. For this purpose, a vertical lift (71) is equipped with a number of lifting hooks (10) ... | 08/08/2006 |
| 7070219 | Method and apparatus for lifting a trailer A lifting apparatus for use in lifting a trailer from a railcar, wherein the trailer includes a tandem rear axel with wheel assemblies having tires coupled thereto, for use in combination with an overhead crane having a plurality of lifting shoes for engaging the tr... | 07/04/2006 |
| 7032943 | Apparatus with a locking mechanism for the latching and unlatching of a load An apparatus for the loading and unloading of material is disclosed. The apparatus comprises a latching and unlatching mechanism that safely and efficiently releases an attached load from a sling after the load has been transported to the desired location. The appar... | 04/25/2006 |
| 6991274 | Cargo cage and spreader attachment and method of use The multipurpose spreader attachment includes in a first preferred embodiment projections on an underside that define sockets to be engaged with complimentary bosses located on the upper surface of a cargo cage. A latching mechanism is provided to effect a locked ar... | 01/31/2006 |
| 6913434 | Apparatus for handling bundles of boards and a support bed for use in such an apparatus The present invention relates to an apparatus for handling strapped units of boards, said apparatus comprising a stacker carrier (5) capable of moving the strapped units (2) placed on a support bed (4) in a storage area into storage stacks and o... | 07/05/2005 |
| 6749392 | Quick connect/disconnect tank lifting brace and method of use A quick connect/disconnect tank lifting brace which lifts a tank from an overhang of it's top lid or cover. The brace includes a crossbar, preferably adjustable, with pivotal end clamps at opposite ends of the crossbar. A pair of clamp pivoting assemblies are provid... | 06/15/2004 |
| 6604770 | Device for clamping a crate The invention relates to a device for clamping a crate (2), comprising a frame or a plate provided with at least a first and a second clamping element (6) for engaging on an interior section of the wall of the crate, which clamping elements are mounted so... | 08/12/2003 |
| 6431379 | Apparatus for the automated handling of loads An automated load handling apparatus is provided for handling loads fastened to a spreader having corners and a load suspension mechanism. The load handling apparatus includes a lifting yoke having a horizontal supporting framework that may be suspended a... | 08/13/2002 |
| 6354782 | Container crane hoist and system A device has lift arms (42) with links (46,46D) connected to ends of a loadspreader (40) or the links (46,46D) are swivelly connected to the lift arms (42) and aligned to hook special containers (20D). The lift arms (42) are pivotally connected to a hub (... | 03/12/2002 |
| 6315343 | Guide for stacking containers A guide for stacking containers (6) on top of one another with the aid of a container derrick (1). The container derrick supports four arms that pivot up and down at the container derrick where each when in a swung-down position with its lower, essentiall... | 11/13/2001 |
| 6138846 | Adjustable expansible load lifting device An adjustable system for lifting and transferring load containers which comprises a frame, a container lifting device, and a cable attached to the frame and lifting device. A first actuator is provided for raising and lowering the lifting device, which li... | 10/31/2000 |
| 6129396 | Container-piling spreader A container-piling spreader which prevents the positional slippage of the lower container, comprising (i) a spreader body having, on the four corners of its bottom surface, means for engaging and hanging a container, (ii) a pair of elevation guides, each ... | 10/10/2000 |
| 6086316 | Container handling assembly A container handling assembly for lifting one or two containers. The assembly comprises a first and second jaw captively connected for cooperative movement whereby the jaws close when a load is applied. If a single container is lifted on the first jaw, th... | 07/11/2000 |
| 6062620 | Spreader bar An apparatus for latching to any selected one of a family of electrical switching apparatuses having differently located centers of gravity includes a lifting bracket having a plurality of lifting attachment points whereby a crane or other hoisting device... | 05/16/2000 |
| 6053550 | Device for gripping and supporting articles An improved lifting apparatus is provided for lifting joist sections to facilitate placement in a building structure. The apparatus includes a structural frame that is secured to a beam lifted by an erection crane. Plural grasping members such as a series... | 04/25/2000 |
| 6019406 | Lifting-machine power gripper and components A power gripper for a lifting machine including a switching device coupled to a motor mounted on a frame of the power gripper by a flexible electric cord for operating a gripping element of the power gripper. The switching device includes a separate attac... | 02/01/2000 |
| 5961170 | Method and apparatus for transporting loads A method and apparatus for transporting loads includes a gripper pliers including a pair of pivotable gripper arms, each of which has a gripper claw. A positioning element is operatively coupled to the pair of gripper arms for pivoting the gripper arms in... | 10/05/1999 |
| 5775753 | Equipment for loading containers Equipment for loading box containers with flat boxes containing a plurality of glass sheets in standing alignment. The equipment includes two parallel horizontal and spaced-apart beams connected at one end, of which the lower beam carries a box and insert... | 07/07/1998 |
| 5482340 | Articulating overhead mandrel manipulator An overhead mandrel manipulator for handling two composite lay-up mandrels. The manipulator includes two opposing brackets (124) having arms (135) that engage the composite lay-up mandrels using lift pins (150). The opposing brackets (124) are rotated app... | 01/09/1996 |
| 5480201 | Safety pipe handler A pipe handler for safely handling large pipes utilized in gas and oil lines, and the like utilizes a horizontal spreader bar having a dependent lifting arm hingedly attached at each end thereof. Each of the distal ends of the lifting arms includes a pivo... | 01/02/1996 |
| 5346270 | Auto-clamper for pallets In construction of a clamper for automatically clamping a pallet carrying a workpiece to a clamp table on, for example, a cutting machine, a clamp spring is attached to a hook piece used for hoisting the pallet in an arrangement such that turning of the h... | 09/13/1994 |
| 5275359 | Helicopter-carried nacelle and process for replacing a sleeve on an overhead cable The nacelle (2) permits the rapid replacement of a coupling sleeve (38) between two portions of an overhead cable (1) without depositing said cable on the ground. The nacelle (2) is a metal structure carrying operators and tools. It is suspended on a heli... | 01/04/1994 |
| 5269579 | Lifting adapter for bulk bags A lifting adapter for use in lifting and releasing large bulk bags. The adapter has a frame formed in an X-shaped configuration in the preferred embodiment. The X-shaped frame is formed from tubular arms that extend downwardly and outwardly at an angle ra... | 12/14/1993 |
| 5263813 | Apparatus having a gripping mechanism for the stacking and unstacking of containers In a device for stacking and unstacking containers provided with grasping holes and more particularly for the loading and unloading of palettes with such containers, such as bottle crates and the like, comprising a gripper member having grippers adapted t... | 11/23/1993 |
| 5232257 | Automatic hooking apparatus and ship cargo gear using the same A cargo suspension gear has a plurality of automatic hooking apparatuses which each can hook and unhook an object such as a trunnion on a large-size cargo receptacle charged with heavy cargo such as pig iron ingot or iron scrap pieces. Efficiency of the c... | 08/03/1993 |
| 5207468 | Self-adjusting transformer sling The sling includes a telescopic compensation bar, provided with two pairs of lever arms pivotally mounted to the opposite ends respectively of the compensation bar. The lever arms pivotally engage at their bottom ends the integral sling hooks of the trans... | 05/04/1993 |
| 5186508 | Trailer lifting foot extender An extender assembly is provided for the lifting foot of a mobile crane used to lift trailers and the like. The extender is comprised of left and right extender pads attached to and spaced apart along a frame such that when the frame is rotatably coupled ... | 02/16/1993 |
| 5088783 | Load handling apparatus A suspension frame for raising or lowering by a crane or hoist carries an assembly of depending limbs or legs which are power operated by a ram for extension apart or retraction and when retracted have a detachable hook engagement with load bearing portio... | 02/18/1992 |
| 5052735 | Auto-clamper for pallets In construction of a clamper for automatically clamping a pallet carrying a workpiece to a clamp table on, for example, a cutting machine, a clamp spring is attached to a hook piece used for hoisting the pallet in an arrangement such that turning of the h... | 10/01/1991 |
| 4795203 | Container and trailer handling combination yoke device with improved elevated storage for lifting arms A container and trailer-handling combination yoke having lifting arms mounted at the opposite ends of two transversely extending, longitudinally spaced yokes interconnected by a telescopically extensible frame, are mounted for pivoting between respective ... | 01/03/1989 |
| 4671724 | Multi-beam structure clip A multi-beam structure clip for transporting and dispensing I-beams includes two legs which stradle a stack of I-beams and which include at their lower ends dogs which extend under the upper flange of the bottom I-beam in the stack to support the stack wi... | 06/09/1987 |
| 4563031 | Tube handling device A tube handling device of a type in which a plurality of tubes are hung by inserting claws in opposite end portion of the tubes, including a telescopically movable beam supporting at opposite ends thereof a plurality of claw members for movement in a dire... | 01/07/1986 |
| 4486120 | Spreader bar for soil erosion prevention mats The invention relates to a spreader bar for picking up and laying down soil erosion prevention mats formed by connecting a matrix of soil erosion preventing blocks with cable or the like through passageways therein.... | 12/04/1984 |
| 4372597 | Submersible equipment handling system A handling system for lowering and retrieving large and heavy objects such as sonar arrays from surface ships and other unstable platforms. A submersible object which normally is suspended by a single cable when at operating depth is retrieved and returne... | 02/08/1983 |
| 4355833 | Lifting apparatus A lifting apparatus having at least one lifting hook pivotally attached to a support frame. The support frame is pivotally attached to a lifting bar which in turn is movably connected to a hoist means.... | 10/26/1982 |
| 4288904 | Method and apparatus for the reversal or replacement of hammers in hammer mills A method of mounting and dismounting hammers in a hammer mill in which the hammers are supported in rows on carrier bars, in which each such row of hammers is grasped, lifted and held, by means of a gripping and lifting device, in a position in which the ... | 09/15/1981 |
