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| Number | Title | Issue Date |
| 7661498 | Fluid cushion conveyance system A fluid-cushion supporting arrangement for horizontal conveyance comprises a supporting platform having a center and a distal portion; a flexible angular sealing element arranged under the platform in the region of the distal portion and forming a sealing piston. Th... | 02/16/2010 |
| 7431552 | Method and equipment for moving a group of objects A group of objects arranged in fixed relative positions on a floor is moved while conserving the positions of the objects relative to each other by: providing a rigid framework surrounding the group of objects and having supporting means for supporting each object a... | 10/07/2008 |
| 7426974 | Air bearing base and workstation In accordance with the present invention, there is provided a workstation or other heavy object which is easily moved, yet steady and stable when parked. Underneath this object is attached a multiple air-bearing device having a backplate, a membrane which is selecti... | 09/23/2008 |
| 7311444 | Hydrostatic bearing for linear motion guidance A self-compensating hydrostatic (pressurized fluid film) linear bearing that maintains a fluid gap between a carriage and a rail when relative forces are applied. The geometric shape of the rail and mating carriage enable the bearing to have very high stiffness and ... | 12/25/2007 |
| 7204672 | Multi-modal forced vortex device A multi-modal forced vortex device is described having a top plate and a side wall creating a partially enclosed volume. The top plate includes one or more adjustable fluid openings to permit, or restrict, fluid flow into and out of the partially enclosed volume. Ro... | 04/17/2007 |
| 7174982 | Displaceable support stand A displaceable support stand (1) includes a support stand base (5) with a support surface (6) which is adapted to rest on the ground, a lifting device for lifting the support stand base (5) and therewith the support stand (1) above... | 02/13/2007 |
| 7146660 | Patient support pad with repositionable pressure source An apparatus for supporting a patient includes a pad having a first side, a second side, and a fluid chamber configured to receive fluid under pressure. The apparatus also has a pressure source operable to deliver pressurized fluid to the fluid chamber and a pouch c... | 12/12/2006 |
| 7134668 | Differential pumping seal apparatus A differential pumping seal apparatus includes a differential pumping seal for sealing a first space and a second space from each other in a non-contact manner, and a back up seal mechanism for sealing the first space and the second space from each other in a contac... | 11/14/2006 |
| 7032261 | Patient transfer apparatus A transfer device is provided for transferring a patient from a first support surface to an adjacent second support surface. The device includes a plurality of elongated side-by-side first bladders arranged to be placed under the patient on the first support surface... | 04/25/2006 |
| 6585069 | Fluid levitated caster integrating external debris scraper An assembly "(42)" including a fluid levitated caster and a debris scraper "(31)" device positioned external to a levitation membrane "(11)". Assembly "(42)" levitates heavy loads upon a near frictionless pressurized fluid, and also sweeps aside potential... | 07/01/2003 |
| 6485247 | Engine uplift loader An engine uplift loader includes a frame assembly having generally parallel first and second frame members spaced apart by a distance enabling the shipping cradle and engine to be positioned between the first and second frame members. A plurality of lifti... | 11/26/2002 |
| 6382336 | Guide wheel integrated with ground rubbing brake controls fluid levitated loads An invention (58) for attachment to a near frictionless fluid levitated transporter includes a guide wheel (18) integrated with a ground rubbing brake (20). Invention (58) both guides and stops transporter movement.... | 05/07/2002 |
| 6379107 | Method of introducing heavy article and method of discharging heavy article A method of introducing/discharging a heavy article is provided that allows for introducing and/or discharging a coil-shape heavy article to and from a transporting receptacle. The method includes utilizing a pallet, a stage, and a carrying vehicle to int... | 04/30/2002 |
| 6318489 | Ground effect machine A novel Ground Effect Machine capable of operating in low airflow and low air-pressure conditions. By using an air bladder, partially filed with liquid, in lieu of a skirt, the invention is able to reduce airflow, and consequently maximize the lift provid... | 11/20/2001 |
| 6318488 | Fluid levitated caster integrating brake or brake with guide wheel combination An assembly (72) including a brake (70), or a brake with guide wheel (69) combination centrally integrated within a levitating fluid caster. Assembly (72) levitates heavy loads upon a near frictionless pressurized fluid, and also controls stopping or guid... | 11/20/2001 |
| 6309289 | Air flotation and locking material handling apparatus and method of use A materials handling apparatus and method utilizing flotation pads to inject a thin fluid film to produce a near frictionless surface for easily positioning and finishing foundry castings. The present invention further relates to a material handling appar... | 10/30/2001 |
| 6276469 | Light weight transporter propelling fluid levitated loads includes load weight absorption device to provide controllable wheel traction An improved transporter to guide and propel heavy loads in an industry where the loads levitate upon pressurized fluid plenums. The transporter is very light weight that provides many opportunities of lower cost, small size, ease of movement to its point ... | 08/21/2001 |
| 6164229 | Air bearing pontoon system for shipping containers A system for facilitating movement of a shipping container uses a plurality of air bearing pontoons interposed between a shipping container and a h, soft or water surface. Each air bearing pontoon includes an inflatable skirt and its own controllable ai... | 12/26/2000 |
| 5544903 | Air bag toy A flexible, low friction, rideable sliding toy is disclosed that slides over relatively smooth, firm surfaces with very low friction. The toy is comprised of a bag of flexible, air impermeable material having one or more relatively large holes cut out of ... | 08/13/1996 |
| 5483709 | Low air loss mattress with rigid internal bladder and lower air pallet A mattress has an upper patient supporting low air loss bladder for ventilating and preventing skin degeneration of a patient supported thereby, an intermediate rigidly inflatable static bladder which becomes relatively rigid upon inflation to aid in tran... | 01/16/1996 |
| 5454441 | Method and apparatus for transporting portable upright stage panels A transport system for improved transport of stage panels The stage panel assembly transport system includes a transport sled and a modified stage panel assembly support base adapted for detachable engagement with the transport sled. The transport sled us... | 10/03/1995 |
| 5320369 | Air bag toy A flexible, low friction, rideable sliding toy is disclosed that slides over relatively smooth, firm surfaces with very low friction. The toy is comprised of a bag of flexible, air impermeable material having one or more relatively large holes cut out of ... | 06/14/1994 |
| 5308218 | Transportation device having an air-foil bearing A transportation device for transporting an object comprises a base body, a depression provided on a top surface of the base body, a lifting mechanism provided on the base body in correspondence to the depression and including a lift plate for supporting ... | 05/03/1994 |
| 5129778 | Container loading and unloading A method and assembly provide for the quick and effective one step loading and unloading of an overseas transport container, which can be accomplished by one operator and a minimum of effort. First, second, third, and fourth identical fingers each about 2... | 07/14/1992 |
| 5087280 | Floating mold changer carriage A floating mold changer carriage is movable between a shaping device for shaping a sheet of glass with at least one mold and a mold storage area spaced from the shaping device, for replacing the mold with a new mold. The carriage includes a main frame hav... | 02/11/1992 |
| 5067189 | Air chamber type patient mover air pallet with multiple control features Air chamber-type air pallets incorporate side-to-side linked air pressurized tubes or chambers in two integrated rows, having common members for adjacent chambers under air pressurization rendered rigid over a certain extent to rigidify the air chambers t... | 11/26/1991 |
| 5065464 | Apparatus for transferring a patient between patient support surfaces A patient transfer apparatus includes an air bearing attached beneath an inflatable cushion which has peripheral chambers so that the peripheral portions fill before the central portions. A diverter valve enables the apparatus to tap into the pressurized ... | 11/19/1991 |
| 5044866 | Containerizing and decontainerizing a load Load-lifting apparatus includes a pair of elements moveable on air bearings laterally toward and away from one another. Each element carries an inflatable bladder for lifting a load. A rack is also provided for receiving various loads, for example, automo... | 09/03/1991 |
| 4883140 | Sheet material dispensing for air bearing structures Fingers having air bearings along the bottom thereof are used to quickly load and unload overseas transport containers. Sheet material, such as ribbed plastic (nylon) sheeting, is automatically dispensed between the fingers and loading deck so that it pro... | 11/28/1989 |
| 4844194 | Air cushion shoe The shoe has a flat surface which can slide with reduced friction on a guide surface, means for introduction and distribution of compressed air to generate a supporting air cushion between the said surfaces, and a plurality of permanent magnets generating... | 07/04/1989 |
| 4843969 | Multi-plenum air float for load transportation and amusement ride system An externally propelled load transporting apparatus that transports a uniformly distributed, non-uniformly distributed, or shifting load upon a cushion of air by first directing pressurized air into at least two plenum chambers and then through at least o... | 07/04/1989 |
| 4832560 | Apparatus and methods for containerizing and de-containerizing a load Load-lifting apparatus includes a pair of elements moveable on air bearings laterally toward and away from one another. Each element carries an inflatable bladder for lifting a load. A rack is also provided for receiving various loads, for example, automo... | 05/23/1989 |
| 4832562 | Integrated air bearing slip sheet material handling system and slip sheet employed therein An air bearing slip sheet tight material handling system utilizes a forklift truck with a horizontal platen a pantagraph mechanism supporting a vertical faceplate which has a gripper jaw pocket casing at the bottom. A vertically reciprocating clamping bar... | 05/23/1989 |
| 4815926 | Air pallet and materials moving system A ground effects device of the type that introduces pressurized air into a plenum chamber, that then travels through a perforated flexible sheet to form an air cushion, the improvement therein that no air dispersion means are present in the plenum chamber... | 03/28/1989 |
| 4813508 | Modular independent air cushion suspension system A new air cushion support system for air cushion vehicles is composed of a plurality of annular peripheral jet units or modules distributed in an array in a common plane. Each peripheral jet module develops a separate air cushion or air bubble under the m... | 03/21/1989 |
| 4789039 | Air-cushion element for air-cushion transport equipment In the present publication, an air-cushion element (1 to 5) for air-cushion transport equipment is described. The element comprises a disc-shaped frame (1), a ring-shaped rubber bellows (2) arranged air-tight underneath and frame (1), a membrane (4) with ... | 12/06/1988 |
| 4753311 | Hydrostatic translation slide support A hydrostatic translation slide support, comprises a housing, a slide member, a low pressure chamber and a high pressure chamber, a support ring which is elastically held against the housing and pressed with a uniform tensioning against the slide member, ... | 06/28/1988 |
| 4686719 | Semi-rigid air pallet type patient mover An air pallet type patient mover, formed principally by top, intermediate and bottom thin flexible sheets sealed together about their edges and defining a plenum chamber between the intermediate and bottom sheets and a backing member cavity between the to... | 08/18/1987 |
| 4683658 | Manually controllable machine such as a fabric cutting machine A manually controllable machine for cutting out or notching fabric has a supporting foot (2) for supporting the machine on a cutting table (). The foot (2) has a flat face (15) on which the machine rests. To reduce the effort required to displace the mach... | 08/04/1987 |
| 4673050 | Fluid-operated transporting crawler-type track In a crawler-type track, an endless flexible belt is stretched over a stator which includes fluid-receiving pressure-tight cells and is formed with a central fluid collecting tank connected to a revolving pump. The cells of the stator are supplied with pr... | 06/16/1987 |
