Matches 1 - 50 out of 74 1 2 >


Match Document Document Title
8217667 Method and apparatus for piezoelectric sensor status assessment  
A method for assessing the status of a piezoelectric sensor of interest is disclosed. The sensor of interest is located adjacent a surface of a mattress supporting a person. In some instances, the...
7849541 Bed with rigid platform and fluid suspension  
A bed mattress support apparatus and method includes a fluid filled bladder or multiplicity of bladders to vertically support a rigid platform. The rigid platform provides a suspended surface to...
7356862 Waterbed with massage function  
A waterbed includes a bed frame, a water mattress mounted on the bed frame, and a flapping device. The flapping device includes two longitudinal shafts rotatably supported by the bed frame and a...
7353554 Floating water bed  
The floating water bed includes a specially designed unique sleeping bag and a movable mattress pad. The sleeping bag is both thin and soft and it is placed on top of the movable mattress pad....
7191480 Mattress or cushion structure  
An apparatus is configured to support at least a portion of a body thereon. The apparatus includes a base portion and a three dimensional engineered material, the three dimensional engineered...
7074166 Exercise apparatus and method  
This invention relates to health and fitness, and more particularly to exercise methods and devices. More particularly, the invention is directed to stretching exercises and physical therapy, for...
7043787 Fluid bedding  
The bedding of the present invention comprises a sealed bag body having an elastic body with a plurality of continuous pores and gas sealed with looseness present in the upper part of the elastic...
7017216 Bladder assembly and method of manufacturing same  
A waterbed having inside air cushion and method of manufacturing same is disclosed. The method comprises forming a watertight bladder having valve means thereon, forming an inflatable air cushion...
6880190 Controlled pressure and flotation system  
A controlled pressure and floatation system includes support and flotation units, each comprised by two types of chambers: a main one that contains a liquid substance and a secondary empty...
6481033 Multiple module mattress system with depressions accomodating inserts of differing firmness  
A mattress system offering combinations of comfort and support comprising at least two modules, positioned side-by-side along their longest dimension to define at least two recumbent user areas...
6385803 Method and apparatus for supporting an element to be support, in particular the body of a patient, the apparatus having a support device independent from the control device  
The invention relates to a method and apparatus for supporting an element to be supported, in particular the body of a patient. The apparatus comprises a support device 20 essentially comprising...
6269497 Waterbed mattress system for recreational vehicles  
A waterbed mattress system for recreational vehicles and, in particular, to a waterbed system for a recreational vehicle having a cabin or sleeping area or space or flat or truck bed which...
6094758 Waterbed mattress system for boats  
A waterbed mattress system for boats and, in particular, to a waterbed system for a boat having a cabin at least partially below a deck which includes a waterbed mattress which can be filled from...
5960497 Pressure relieving pad with graduated pillars  
A pressure relieving pad with graduated pillars to effectively reduce the development of decubitus ulcers. The pad is preferably made of foam to keep the manufacturing costs down and includes a...
5901391 Bed  
A bed includes a bag filled with a transparent fluid and formed with a transparent portion at least at an upper surface portion thereof, and a light source for emitting light. The light emitted...
5669091 Structure of water bed  
A water bed which includes a soft frame; a peripheral air bag mounted within the soft frame; a water bag mounted within the soft frame and surrounded by the peripheral air bag, the water bag...
5652985 Self-adjusting pressure relief support system and methodology  
A pressure relief support system utilizes a self-adjusting approach to maintaining generally constant pressure in fluid support bladders. A constant force, such as from a constant force linear...
5555580 Water bed with inner communicable air chambers  
A water bed having inner communicable air chambers is provided. The water bed has a mattress body formed of an upper and a lower sheet with an air inlet, a water inlet, and an air vent provided...
5513401 Watermattress apparatus  
A watermattress apparatus has a cushion body which is elastically compressed when a load has been exerted thereon. A case is laminated on the upper surface of the cushion body. The case has upper...
5392478 Waterbed with supplemental support  
Waterbed with supplemental support for providing different degrees of localized firmness or support in different areas of a mattress. The bed includes a water-filled mattress having a horizontally...
5353454 Adjustable lumbar support for flotation systems  
A water mattress construction is provided with a tray providing a cavity adapted to support a liquid filled bladder, with at least one lumbar support member positioned intermediate the bladder and...
5285541 Flotation system including improved cushioning and support features  
A water mattress configuration is provided which includes a tray having a peripheral flange having a downturned edge. A load placed atop the flange causes side walls of the tray to deflect,...
5247713 Waterbed mattress liner tray  
A waterbed mattress liner tray includes a bottom wall, headwall, footwall and opposite sidewalls integrally formed into an open-topped water retaining tray. Each sidewall is formed with a spring...
5136740 Varying firmness mattress  
A mattress is formed with an upper variable firmness section covering a lower section of generally uniform firmness. The upper section is divided along its length into four transversely extending...
5086528 Water mattress and method for making same  
A watermattress having a first sheet and a second sheet forming a container for receiving water includes a third sheet for dividing the container into a bladder for receiving water and a cavity. A...
5072468 Flotation therapy bed for preventing decubitus ulcers  
A flotation therapy bed that prevents formation of decubitus ulcers. A three-chambered mattress has three configurations, each having a different utility. In a first configuration, a lowermost...
5072469 Waterbed mattress with air cushion  
A waterbed mattress includes a vinyl watertight water bladder covered by an inflatable air cushion. The air cushion is composed of two layers of vinyl, sealed around the edges. The mattress...
5068935 Flotation therapy bed having two part construction  
A flotation therapy bed having a two part construction that includes an upper shell and a lower shell joined along a parting line by a circumferentially extending gasket. The upper shell has a...
5022108 Waterbed mattress with heater pad pocket  
A waterbed mattress apparatus adapted to increase waterbed heting mat efficiency. The apparatus includes a waterbed mattress having a mat receiving opening therein and mat receiving pocket having...
5001792 Double wall mattress for waterbeds  
A waterbed mattress is formed to include an inner waterproof bladder and an outer waterproof bladder. The two bladders are sealed together only at the fill valve for the inner bladder, so the rest...
4945588 Air/water mattress and inflation apparatus  
An inflation system for a mattress having a lower, water chamber and a coextensive upper, air chamber includes a pair of opposed blowers, a solenoid air valve, both manual and pressure activated...
4935978 Wedge cut waterbed mattress  
A waterbed mattress comprises an inflatable container formed of a flexible plastic material with a generally planar top sleeping surface and a generally planar bottom. There are generally vertical...
4932721 Water couch  
The present device relates to a couch, which is comprised of a flexible material (Poly Vinyl Chloride) completely filled with water. The inside of the couch (all the pillows and cushion) is...
4907307 Support structure  
A support structure for use with a fluid medium and including a base for disposition in a given position; first and second buoys both buoyant in the fluid medium, the first buoy adapted for...
4882800 Flotation mattress  
The flotation mattress includes an outer cover which defines an enclosed inner area divided into three sequential sections by transverse dividing walls. Each section includes alternating water...
4833457 Immersion control device and associated alarm system  
An immersion control device. The device includes a fluid filled manifold and a fluid filled support device. Fluid pressure in the fluid filled support device equals fluid pressure in the fluid...
4827546 Fluid mattress  
A fluid containing mattress including exterior support in the form of side frames and a bottom support. Flexible, contractible bellows are distributed over the bottom support and are connected...
4766629 Ventilated flotation mattress  
The flotation mattress includes an outer cover which defines an enclosed inner area divided into three sequential sections by transverse dividing walls. Each section includes alternating water...
4680820 Convertible water bed  
A convertible water bed comprising a bed frame, a water-filled mattress supported on the bed frame, a movable flexible mattress support member slidably connected at two opposite edges to side...
4662010 Floater waterbed  
A waterproof vinyl body bag or sleeve open to the air at both ends which is inserted inside a main vinyl waterbed having two apertures, of the same dimensions as the open ends of the body bag, on...
4637737 Apparatus for measurement of water conditions in a watermattress  
An apparatus for measuring water temperature includes a temperature measuring instrument with a stem that is introduced into a water-filled mattress through a closure member positioned in the...
4611357 Flotation sleeping mattress constructions  
Rudimentary prior art fluid-inflatable sleeping mattresses are of a simple six-sided shell construction having a spout for fluid introduction and evacuation. Disclosed are improved mattress...
4577357 Self-sealing waterbed mattress  
A waterbed mattress comprises an external envelope and is provided with an internal layer of viscous, polymeric sealing material for sealing punctures in the mattress. The polymeric material can...
4538311 Self-sealing puncturable article  
Flexible self-sealing sheeting comprises a flexible, puncturable sheet of cloth or polymeric material, a layer of a self-adhering, water-resistant polyurethane sealing material, and an anti-tack...
4535496 Water bed bar  
A water bed apparatus (10) comprising an elongated cylindrical unit (11) having a support surface (12) and a contact surface (14) formed on opposite ends, wherein the apparatus is designed to...
4468824 Water filled pressure relief device with rectangular aperture  
A pressure relief device for bed-ridden patients is comprised of a hollow annular cushion having a valve to permit filling of the cushion with water, laterally extending tabs to facilitate...
4411033 Waveless waterbed  
The present invention is a waterbed mattress having a slab of substantially open celled foam or cellulosic sponge substantially submerged in the liquid fill of the mattress. The waterbed mattress...
4332043 Waterbed mattress  
A waterbed mattress with one or more open-celled foam members used for dampening wave action in the water is disclosed. The foam members are supported by the buoyant force of the water and require...
4330893 Water bed  
A water bed employing a mattress in the form of a water-tight bag of flexible sheet material and having means for restricting swelling deformations in the peripheral portion of the top sheet of...
D256526 Waterbed with canopy  

Matches 1 - 50 out of 74 1 2 >