Superstar singer Michael Jackson co-patented a "Method and means for creating anti-gravity illusion" in 1993.
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| Number | Title | Issue Date |
| 4806063 | Portable wild game hoist A portable wild game hoist having a multiple section boom which can be assembled and dismantled. The boom is supported at its lower end by a standard trailer hitch mounted on the rear of a vehicle. Straps are secured to the upper section of the boom and t... | 02/21/1989 |
| 4727995 | Crane with pivotal boom A tractor crane includes a boom having a root end adapted for pivotal mounting on a tractor, a load end which is adjustable in position relative to the root end, strut connector intermediate its ends, and load attachment device at or near the load end of ... | 03/01/1988 |
| 4705179 | Easy outboard motor loader A lift mechanism is provided for transferring an outboard motor to and from the body of apickup truck or the like, being primarily usable in moving the motor from a use position on a boat (or from a temporary stored position on a rack or the like) to the ... | 11/10/1987 |
| 4700851 | Lightweight, self-powered, transportable crane assembly A lightweight, self-powered, transportable crane assembly is disclosed which includes a frame that can be selectively coupled to and uncoupled from the bed of a transport vehicle or carrier, such as a pick-up truck or trailer. The frame assembly also incl... | 10/20/1987 |
| 4671731 | Portable hoist A portable hoist is provided for lifting, transporting, and depositing loads onto a platform, such as a work bench, or into a vehicle, such as a pick-up truck. The portable hoist comprises a mounting for attachment to the a wall of a vehicle or a work ben... | 06/09/1987 |
| 4662527 | Hydraulic circuit for self-undecking crane A self undecking crane in which the upper is separable from the lower and is supported on legs which are swingable from a stowed position to an operable position by cylinders. Hydraulic jacks on the ends of the legs raise and lower the upper relative to t... | 05/05/1987 |
| 4660731 | Telescopic crane for heavy loads A separate boom vehicle is provided for transporting a telescopic boom, which is adapted to be coupled to a revolving superstructure and to be detached from it for transporting. The boom vehicle is provided in its forward portion with a coupling structure... | 04/28/1987 |
| 4643320 | Crane bracket for mounting over the chassis side members of a truck A bracket for mounting a crane over either chassis side member of a truck has an elongated body member having removable, telescopically-extendable rods at its ends provided with likewise-telescopic supporting legs to provide support against the driving su... | 02/17/1987 |
| 4615450 | Portable and collapsible derrick structure A pickup truck derrick assembly includes a base frame, a derrick A-frame pivotally mounted on the base frame, a derrick frame erection subassembly, a frame support and locking subassembly and a cable compensation system. The frame erection subassembly inc... | 10/07/1986 |
| 4601360 | Beam and chain hoist for removing vehicle transmission A beam and chain hoist assembly is provided including a longitudinally extending support beam having longitudinally spaced bearing surfaces adapted to engage support portions of the cab of an overland vehicle. The support beam is bifurcated at its front e... | 07/22/1986 |
| 4601401 | Centering arrangement for redecking of crane upper A centering device for aligning those portions of the swing mechanism, e.g. the swing pinion on the upper with the ring gear on the carrier, to permit the redecking of a crane upper on its carrier, the device including a plurality of sockets on the carrie... | 07/22/1986 |
| 4579235 | Crane boom stowing apparatus A crane boom stowing apparatus utilizes a pair of anchor members attached to the crane frame and a pair of leg members pivotally secured at one end to the crane boom. The leg members are pivotally movable between a boom-stowing condition at which the othe... | 04/01/1986 |
| 4579234 | Self-erecting mobile crane A self-erecting traveling crane having a machinery platform rotatably mounted with respect to a carbody utilizes a concentric support ring, a boom foot carrier pivotably mounted to the platform and rolling on the support ring, and a counterweight carrier ... | 04/01/1986 |
| 4565291 | Hydraulic lifting assembly for mounting a crane jib The hydraulic lifting provision for the mounting of a crane jib comprises two lift provisions disposed successively at a distance, where each lift provision comprises two base frames rising up from the trailer and disposed at a distance from each other an... | 01/21/1986 |
| 4552274 | Tricycle and a toy crane assembly removably mounted thereon A toy crane attachment for use with a child's tricycle. The crane includes a main mounting frame which can be easily attached to or removed from the tricycle. The main frame pivotally supports a swivelable frame and boom, with the boom thereby being movab... | 11/12/1985 |
| 4487120 | Method and apparatus for processing brush cuttings A method and apparatus for processing elongate brush cuttings, such as those resulting from the pruning of almond trees. The method comprises collecting the cuttings, loading them into the compaction chamber of a packer, moving a plunger longitudinally th... | 12/11/1984 |
| 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.... | 08/07/1984 |
| 4441851 | Wrecker attachment A wrecker attachment in kit form for mounting on the bed of a truck in rigid relationship with its underlying frame. The wrecker attachment includes a back post assembly for mounting a boom assembly, a floor plate assembly for bracing the back post assemb... | 04/10/1984 |
| 4406574 | Vehicle assist for disabled A device for lifting and loading objects into and from a storage space of an automobile for transportation thereby. The device is fully contained within the storage space and is adapted to be mounted directly to the chassis of the automobile. The device i... | 09/27/1983 |
| 4360307 | Device for vertical and/or horizontal transport of loads into and out of a vehicle or the like A device for vertical and/or horizontal transport of loads into and out of a vehicle or the like and particularly intended to enable disabled wheel chair bound persons to be transferred into and out of a passenger car and comprising a tubular supporting m... | 11/23/1982 |
| 4332328 | Mobile crane A mobile crane intended for carrying heavy loads has a slewable upper chassis which is rotatably mounted on a carriage by a conventional rotatable connection and in order to transmit loads greater than the connection can withstand, there is an additional ... | 06/01/1982 |
| 4294176 | Portable hoist frame The invention is an improved portable hoist frame for use in automotive and other type work that requires a frame from which to hang a hoist to lift automotive components and other objects. The portable frame consists of detachable elements for a knock-do... | 10/13/1981 |
| 4273244 | Crane upperstructure self-transferring system A crane has an upperstructure that is mounted on a carrier by a quick-disconnect turntable mounting. The upperstructure can be transferred from the carrier to a transport, and back to the carrier, by a system that does not require an auxiliary crane. A li... | 06/16/1981 |
| 4216941 | Yoke hoist for use with pickup truck A hoist device is pivotally attached to a specially adapted rear bumper of a conventional pickup truck. The hoist comprises a generally yoke-shaped frame adapted to wrap around the rearmost ends of the truck's cargo bed such that the hoist, when not in us... | 08/12/1980 |
| 4194639 | Truck mounted crane and method of constructing same A truck mounted crane has a front end including a cab, engine and front steering wheels, with rearwardly extending frame members. A crane is carried rearwardly of the truck cab, and has a rotatable upper works including a crane cab at the front and latera... | 03/25/1980 |
| 4127200 | Wheel chair lift device An apparatus for hoisting a wheel chair into and out of an enclosure including a swivel base having a stationary section that may be secured within the closure and a section rotatable on the stationary section about a vertical axis. A motor mount is posit... | 11/28/1978 |
| 4119165 | Articulated vehicles An articulated vehicle as herein described wherein the articulated structure between the portions comprises a support frame pivotally mounted at a number of spaced locations in the first portion to be pivotable about an axis parallel to and vertically in ... | 10/10/1978 |
| 4111316 | Truck mounted hoist Hoist apparatus of the type adapted to be mounted on a truck adjacent the truck bed, leaving the truck bed clear, for use in unloading or loading the truck or the like, and comprising a boom, hoist means on said boom, a vertical support column, said boom ... | 09/05/1978 |
| 4042116 | Track laying tractor with movable boom which can be tilted laterally A track laying tractor comprising a tractor body having a framework supported laterally by a pair of track units, a crane placed upon one of the sides of the tractor body and having a movable boom which can be tilted laterally and pivoted at the base on a... | 08/16/1977 |
| 3954193 | Apparatus and method for transferring a crane boom assembly from a crane carrier to an independent transport vehicle For the purpose of complying with highway vehicle weight limitations, the boom assembly of a mobile construction crane is transferred from the regular crane carrier vehicle to an independent transport vehicle having a carriage means to receive and support... | 05/04/1976 |