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| Number | Title | Issue Date |
| 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 inside the watertight bladder, forming at least one air valve extended... | 03/28/2006 |
| 6971134 | Inflatable bed An inflatable bed includes an envelope having first and second walls and a surrounding wall that cooperates with the first and second walls to define an air chamber, a flexible partition sheet disposed within the air chamber, a reinforcing sheet overlying the partit... | 12/06/2005 |
| 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 chamber; interconnected by a free-flow supply pipe. The main chamber receives... | 04/19/2005 |
| 6553591 | Fluid-containing body support air cushion A fluid-containing air cushion including an air chamber including an air fill valve and a water filled layer connected atop or against, and at least partially coextensive with, the air chamber, the water-filled layer defining a body support surface. The w... | 04/29/2003 |
| 6343393 | Waterbed structure An improved waterbed having a waterbed mattress and a bed protecting cover with airbag protecting sides. The waterbed mattress has a plurality of internal, transverse partitions welded by high-frequency heat sealing, arranged at intervals in single or dou... | 02/05/2002 |
| 5850644 | Temperature and pressure control means for water bed A temperature and pressure control system for a water bed is provided and includes a temperature control circuit and a pressure control circuit. The temperature control circuitry consists of two temperature detecting elements for detecting an ambient air ... | 12/22/1998 |
| 5850646 | Pressure relief mattress A pressure reduction mattress construction for a liquid or gel bed having a flexible basin forming a cavity with inclines head and foot for surrounding and supporting a liquid or gel filled flotation bladder that is anchored to the head of the basin. The ... | 12/22/1998 |
| 5617596 | Tube for a waterbed A tube for a waterbed includes a generally cylindrical tube body having a top, a bottom, and a pair of side walls extending from the top to the bottom. The tube body defines a longitudinal axis of the tube. First and second tube ends in combination with t... | 04/08/1997 |
| 5406660 | Waterbed mattress with plastic netting fill Waterbed mattress having an enclosure for holding a body of water for buoyantly supporting a person resting on the mattress, and a body of crumpled plastic netting within the enclosure for reducing wave action in the water and providing additional support... | 04/18/1995 |
| 5335380 | Spring insert for cushioning insert A spring insert for a waterbed mattress includes a plurality of spring bellows units arranged in upright relation within the mattress. Each bellows unit has a top wall and pleated sidewall which is collapsible from a normal expanded height to a shortened ... | 08/09/1994 |
| 5267365 | Bed mattress or the like and pressurized liquid supply system A system is described for delivery of pressurized liquid to one or more hollow mattress for alternately pressurizing and depressurizing a selected group of cells of the mattress. The device is associated with a unique mattress in which the cells are dispo... | 12/07/1993 |
| 5253377 | Waterbed mattress with bellows spring insert A waterbed mattress includes a spring insert having a plurality of open ended bellows spring units arranged in upright relation within the mattress. The pleated peripheral side wall of each bellows spring unit enables it to be collapsible from a normal ex... | 10/19/1993 |
| 5228156 | Fluid operated device A fluid operated device comprises a casing having an enclosing wall which is rigid at least in part to maintain a volume of said casing; a squeeze unit securely provided in said casing and having a squeezable wall confining a space; a fluid operating cham... | 07/20/1993 |
| 5222262 | Waterbed mattress with baffles A waterbed mattress includes a watertight envelope having a top, a bottom, and sides, which envelope defines a cavity for water. Anti-wave material such as fiber or foam, or anti-wave structure such as hydraulic inserts, is disposed inside the watertight ... | 06/29/1993 |
| 5172438 | Waterbed mattress with equalized edge support Waterbed and mattress having a pair of elongated buoyant members are near the side edges of the mattress to provide additional support for a person resting near the edges of the bed. This additional support tends to equalize the support provided along the... | 12/22/1992 |
| 5172437 | Waterbed mattress with hexagonal baffle structure, and method and apparatus for manufacturing the same Waterbed mattress having a baffle structure comprising a buoyant foam pad adapted to float within the mattress, and a plurality of hexagonal cells beneath the buoyant pad. The cells are arranged in a honeycomb array with the sides walls of adjacent ones o... | 12/22/1992 |
| 5159725 | Waterbed mattress with bellows spring insert A spring insert for a waterbed mattress includes a plurality of spring bellows units arranged in upright relation within the mattress. Each bellows unit has a top wall and pleated sidewall which is collapsible from a normal expanded height to a shortened ... | 11/03/1992 |
| 5068934 | Waterbed mattress with hexagonal polypropylene baffle structures Waterbed mattress having a baffle structure comprising a buoyant pad of polypropylene foam adapted to float within the mattress, and a plurality of hexagonal cells having side and bottom walls of polypropylene depending from the buoyant pad. The cells are... | 12/03/1991 |
| 5060328 | Waterbed mattress with spring insert A waterbed mattress includes a spring insert comprising a plurality of spring bellows units arranged in upright relation within the mattress. Each bellows unit has a top wall and pleated sidewall which is collapsible from a normal expanded height to a sho... | 10/29/1991 |
| 5010607 | Damping chamber for waterbed mattress The present invention provides a damping baffle for damping the wave action in a waterbed mattress. Each baffle is fixed to the mattress, and has an upper and lower chamber designed to provide firmness yet avoid undue stress on the weld between the mattre... | 04/30/1991 |
| 4975995 | Water mattress with vertically disposed dampening cells A waterbed mattress has a baffle structure formed of a buoyant pad capable of floating freely within the mattress and a plurality of chambers attached to the pad. An upper portion of the chambers depend from the pad and are attached to the undersurface th... | 12/11/1990 |
| 4961237 | Device for reducing wave motion in a waterbed mattress A device for reducing the wave motion in a waterbed mattress which provides optimum firm and conforming feel to the user, while not promoting fungi or algae growth and being capable of allowing the mattress to be substantially completely drained. The wave... | 10/09/1990 |
| 4922563 | Waterbed mattress with baffle chambers A waterbed mattress has a baffle structure that comprises a horizontally extending pad of bouyant material with a plurality of chambers depending therefrom. The chambers can be hemi-spheroidal. The chamber walls having water metering holes therethrough.... | 05/08/1990 |
| 4864670 | Water mattress with vertically oriented hydraulic chambers A watermattress includes a outer bladder for retaining water and an inner chamber assembly for inhibiting wave motion within the bladder. The chamber assembly includes a first chamber disposed generally vertically with respect to a second chamber. The wal... | 09/12/1989 |
| 4751756 | Water mattress with hydraulic chamber assembly and method of making same A water mattress includes an outer bladder for retaining water and an inner chamber assembly for inhibiting wave motion within the bladder. The chamber assembly includes multiple chambers each having a bottom sheet and a closure sheet, and the bottom shee... | 06/21/1988 |
| 4751757 | Wave dampening device for use in a water bed A water bed mattress made from a watertight envelope is shown having a pliable sheet of polyethelene with gas cells uniformly spaced throughout the pliable sheet in a grid-like pattern for supporting baffles that are attached to the pliable sheet by sewin... | 06/21/1988 |
| 4715076 | Waterbed motion reduction and hydraulic enhancement system A hydraulically enhanced waterbed includes a bladder for containing water, a plurality of outer hydraulic chambers positioned in an array within the bladder, inner hydraulic chambers positioned within the outer hydraulic chambers, the inner and outer cham... | 12/29/1987 |
| 4701967 | Hydraulic unit for waterbed, and method of forming A hydraulic unit for a waterbed mattress is provided, along with a method for constructing the unit. The usual lower sheet having a plurality of chambers is covered with the usual upper sheet, and the fibrous bat is placed over the upper sheet. The assemb... | 10/27/1987 |
| 4663789 | Hydraulic baffle for waterbed mattress A damping structure is disclosed to float freely within the envelope of a waterbed mattress. The damping structure comprises a bottom panel of flexible sheet material with a number of tubular structure extending upwardly therefrom. Each tubular structure ... | 05/12/1987 |
| 4627121 | Damped waterbed mattress and method for manufacturing same A damped waterbed mattress includes an envelope or bladder made of vinyl or other flexible, nonporous elastomeric material and which contains a plurality of modular internal "cells" that are in intentionally restricted fluid communication with one another... | 12/09/1986 |
| 4607404 | Waterbed float with antiwave hanging baffle and collapse-retarding fiber insert Hydraulic chambers for attenuation of wave motion within waterbed mattresses are buoyed by encapsulated material made of a large multiplicity of interbonded fibers.... | 08/26/1986 |
| 4577356 | Waterbed mattress with baffle chambers A waterbed mattress has a baffle structure that comprises a horizontally extending pad of bouyant material with a plurality of chambers depending therefrom. The chambers can be hemi-spheroidal. The chamber walls having water metering holes therethrough.... | 03/25/1986 |
| 4523343 | Buoyant fiber product used in improved waterbed float with hanging baffle Hydraulic chambers for attenuation of wave motion within waterbed mattresses are buoyed by unencapsulated material made by binding expanded foam beads to a garnetted fiber matrix.... | 06/18/1985 |
| 4517691 | Motion damping system for water bed mattresses A free floating wave control unit in combination with a water bed mattress and detachably disposed interiorly therein and coextensive of the top panel of the mattress and comprised of a floatable frame carrying thick fiber batting underlying the top panel... | 05/21/1985 |
| 4475257 | Wave motion absorber for water bed mattresses A free floating wave motion absorber confined within a water bed mattress for firm body support with omni-directional rate control over motion, so that disturbing movements are substantially reduced and virtually eliminated, by a multiplicity of circulati... | 10/09/1984 |
| 4329748 | Double pancake waterbed mattress A stress free baffled waterbed mattress bag consists of an array of individual baffles, each of the baffles comprising a plurality of vertically stacked bladders serially connected, the end bladders being respectively attached to the operative top and bot... | 05/18/1982 |
| 4325152 | Flotation mattress A flotation mattress and a method for making same. The mattress is comprised of flexible, liquid-impermeable material sealed to form a liquid impermeable envelope. One or more damping chambers are disposed within the mattress which damping chambers have m... | 04/20/1982 |
| 4321719 | Water mattress with damper bladders In a water mattress, a series of interior bags or bladders are individually attached to the top and bottom layers in order to damp the movement of water. Each bag or bladder comprises a pair of disks or layers peripherally heat sealed together. Each of th... | 03/30/1982 |
| 4296510 | Anti-surge flotation mattress A water bed flotation mattress comprising a bladder of flexible sheet plastic with vertically spaced horizontal top and bottom walls and vertical side and end walls and slackily filled with a fluid medium; said mattress including a thin, flat, flexible, h... | 10/27/1981 |
| 4292702 | Surge dampened water bed mattress An elongate flotation mattress having horizontal top and bottom walls, vertical side and end walls, a plurality of vertical, laterally spaced, longitudinally extending partitions between the top and bottom walls and coextensive with the major central port... | 10/06/1981 |
