US20110035879A1 - Convection cooled mattress - Google Patents
Convection cooled mattress Download PDFInfo
- Publication number
- US20110035879A1 US20110035879A1 US12/539,098 US53909809A US2011035879A1 US 20110035879 A1 US20110035879 A1 US 20110035879A1 US 53909809 A US53909809 A US 53909809A US 2011035879 A1 US2011035879 A1 US 2011035879A1
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- United States
- Prior art keywords
- mattress
- air
- top surface
- air channels
- sidewall
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- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/001—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with several cushions, mattresses or the like, to be put together in one cover
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- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C21/00—Attachments for beds, e.g. sheet holders, bed-cover holders; Ventilating, cooling or heating means in connection with bedsteads or mattresses
- A47C21/04—Devices for ventilating, cooling or heating
- A47C21/042—Devices for ventilating, cooling or heating for ventilating or cooling
- A47C21/046—Devices for ventilating, cooling or heating for ventilating or cooling without active means, e.g. with openings or heat conductors
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
- A47C27/144—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities inside the mattress or cushion
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/142—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities
- A47C27/146—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays with projections, depressions or cavities on the outside surface of the mattress or cushion
-
- A—HUMAN NECESSITIES
- A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
- A47C—CHAIRS; SOFAS; BEDS
- A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
- A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
- A47C27/15—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays consisting of two or more layers
Definitions
- the present invention generally relates to an orthopedic mattress and, in particular, an air mattress that includes a series of air vents and air channels that promote the cooling of the mattress by natural convection.
- an orthopedic mattress may be utilized to ease, or even alleviate the foregoing problems.
- An orthopedic mattress is useful because it promotes a healthy back and alleviates bed pain by supporting the spine in its correct alignment and by avoiding the development of localized pressure points. This in turn makes an orthopedic mattress comfortable, restful, and supportive and people who use orthopedic beds tend to sleep better, feel more rested in the morning, and are less likely to become restless during the night.
- Orthopedic mattresses come in a range of constructions from traditional springs and coils, to memory foam, latex foam, and composites of all three compositions.
- memory foam and latex mattresses are typically made to conform to the user's body rather than be hard or very firm. In this way, a mattress that contours around the sleeper enables the mattress to fill the gap under the lower back, while still being firm and offering support to the rest of the body without sagging or deflecting.
- Memory foam is a polyurethane-based foam that reacts to pressure and body heat. These properties allow the foam to mold itself to the shape of a warm body within a few minutes. By its nature, memory foam holds a lot of heat because the foam would not be effective if it didn't dissipate heat so slowly. Thus, an orthopedic mattress using memory foam may sleep warmer than traditional mattresses, especially in warm climates, which may make the user hot and sweaty. Thus, a need exists for an orthopedic mattress that provides cooling as well as comfort to the user.
- An air mattress for use in orthopedic bedding.
- the mattress includes a convoluted top surface having a plurality of air vents, and sidewalls having a set of air channels that communicates with the air vents to promote the circulation of air throughout the mattress.
- air is drawn into the set of air channels and ejected through the air vents to cool a user by natural convection.
- the method includes the steps of forming at least one air vent through a top surface of the mattress; forming at least one air channel in at least one sidewall of the mattress, wherein at least one air channel communicates vent with at least one air vent formed in the top surface; drawing cool air into at least one air channel of the mattress, the cool air passing from at least one air channel to at least one air vent fanned in the top surface; and ejecting the cool air from the mattress through at least one air vent.
- At least one elongated air channel may be formed in at least one sidewall of the mattress to provide more convection cooling in some areas of the mattress over other areas of the mattress.
- FIG. 1 is a perspective view of one example of one implementation of an air mattress of the present invention.
- FIG. 2A is a top view of the air mattress of FIG. 1 .
- FIG. 2B is a cross sectional view of the air mattress of FIG. 1 .
- FIG. 3 is a side view of the air mattress of FIG. 1 .
- FIG. 4 is a partial side perspective view of the air mattress of FIG. 1 illustrating the passage of air through the air channels of the mattress.
- FIG. 5 is a perspective view of a second example of one implementation of an air mattress of the present invention.
- FIG. 1 illustrates one implementation of an embodiment of a mattress 20 of the present invention.
- the mattress 20 includes a support layer 30 , a base layer 40 , and a convection layer 50 disposed between the support layer 30 and the base layer 40 .
- the mattress 20 and each of its layers are formed of a foam material.
- the mattress 20 may be formed of a memory foam, latex rubber foam, rebond foam, polyurethane foam, high density foam, evlon foam, high resilience foam, closed cell foam, open cell foam, or any other suitable foam material.
- the mattress 20 may be constructed to a rectangular shape or any other suitable construction.
- the mattress 20 may also be constructed to a thickness ranging from approximately 8 inches to 16 inches, and to the dimensions of conventional bedding including hospital, twin, full, queen, king, California king, California queen, and super king-sized bedding.
- the support, convection, and base layers 30 , 50 , and 40 may be formed from a single piece of foam or integrally formed or molded with one another as three discrete layers.
- the support, convection, and base layers 30 , 50 , and 40 may be of the same resilience, or the support layer 30 may be of greater resilience (i.e., made from a lighter density foam) than the convection and base layers 50 , 40 to provide softness to the user.
- the support layer may have a 4 lb density
- the convection layer may have a 2 lb density
- the base layer may have a 2 lb density.
- the mattress 20 layers may be constructed from the same type of foam material or alternatively, each layer may be constructed from a different type of foam.
- the support layer 30 includes a convoluted top surface 32 having a plurality of air vents 34 (see also FIG. 2A ), and a planar bottom surface 36 .
- the top surface 32 of the support layer 30 is corrugated, but in other implementations the top surface 32 may include an eggcrate, pane, checkerboard, sawtooth, or other suitable design.
- the support layer 30 is configured to provide lumbar spine support and an even distribution of body weight to minimize the pressure applied against the user lying on the mattress 20 .
- the air vents 34 are holes that extend from the top surface 32 to the bottom surface 36 of the support layer 30 .
- the air vents 34 are configured to allow cool air drawn into the mattress 20 to flow out of the support layer 30 .
- the air vents 34 may be uniformly distributed throughout the support layer 30 to provide uniform cooling, while increasing the ability of support layer 30 to conform to the user's body.
- the air vents 34 may be 0.25 inch drill holes, but in other implementations the air vents 34 may be constructed of any suitable size or shape.
- the base layer 40 may be a solid a piece of foam.
- the base layer 40 supports the mattress 20 and is configured to rest on the box spring of a bed.
- the thickness of the base layer 40 may be greater than the thickness of the support and convection layers 30 , 50 .
- the base layer 40 may have a thickness of 7 inches, while the convection layer 50 may have a thickness of 4 inches and the support layer 30 may have a thickness of 3 inches.
- the thickness of the base layer 40 may vary according to the desired stiffness and rigidity of the mattress 20 .
- the convection layer 50 includes a planar top surface 52 , axial sidewalls 54 , and a planar bottom surface 56 .
- the sidewalls 54 include a first set of transverse notches 60 formed along the top surface 52 of the convection layer 50 , and a second set of transverse notches 62 formed along the bottom surface 56 of the convection layer 50 .
- the transverse notches 60 , 62 extend from one sidewall to an opposite sidewall.
- the first set of notches 60 and the bottom surface 36 of the support layer 30 define a first set of air channels 64 .
- These air channels 64 are configured to communicate with the air vents 34 formed in the support layer 30 to promote the circulation of air throughout the mattress 20 .
- the second set of notches 62 and a top surface of base layer 40 define a second set of air channels 66 .
- These air channels are configured to draw-in cool air on one side of the mattress 20 , and displace warm air on an opposite side of the mattress 20 .
- the air channels 64 , 66 may have dimensions of 1 inch by 0.75 inches, but the air channels may be constructed to any suitable dimensions.
- the air channels may be irregular in shape, but in other implementations the air channels may be constructed of different geometries.
- the air channels may be rectangular, circular, triangular, or any other suitable shape.
- the mattress 20 is positioned on the box spring of a bed with the support layer 30 uppermost, as shown in FIG. 1 .
- the support layer 30 tends to deform to closely conform to the contour of the user's body to gently support and evenly distribute the weight of the user over the surface area of the top surface 32 .
- the user's body As the user rests on the support layer 30 of the mattress 20 , the user's body generates heat that is absorbed by the mattress 20 .
- cool air (depicted by arrows 70 and 72 ) is drawn into the air channels 64 , 66 in the convection layer 50 by natural convection.
- Air 70 passing through the first set of air channels 62 communicates with air vents 34 in the support layer 30 to eject cool air from the support layer 30 to cool the user.
- Air 72 passing through the second set of air channels 66 displaces from the convection layer 50 warm air generated by the user's body heat, as depicted by arrow 74 .
- the convection layer 50 acts as a heat exchanger, as the circulation of air throughout the mattress provides the advantage of enabling the mattress to be cooled during its use, by natural convection.
- one or more air channels 64 , 66 may be elongated in certain areas of the mattress where the user's body generates more heat (“hot zones”).
- the elongated air channels allow more air flow in these areas to provide more convection cooling to these hot zones.
- the air channels may be uniform to provide uniform cooling along the mattress.
- the mattress 20 may be enclosed by a mattress cover (not shown) for durability and sanitary purposes.
- FIG. 5 illustrates another implementation of the mattress 20 of the present invention.
- a third and fourth set of air channels 130 , 140 may be formed in transverse sidewalls 110 of the convection layer 50 .
- the third and fourth set of air channels 130 , 140 intersect the first and second set of air channels 64 , 66 , respectively.
- the third set of air channels 130 may be configured to communicate with the air vents 34 formed in the support layer 30 to promote the circulation of air throughout the mattress 20
- the fourth set of air channels 140 may draw in cool air on one side of the mattress 20 and displaces warm air on an opposite side of the mattress.
Abstract
Description
- 1. Field of the Invention
- The present invention generally relates to an orthopedic mattress and, in particular, an air mattress that includes a series of air vents and air channels that promote the cooling of the mattress by natural convection.
- 2. Related Art
- Today millions of people suffer from back and back induced pain and discomfort.
- In many cases these problems can be traced back to poor sleeping habits and even poorer quality beds and mattresses. Also, patients and other persons confined to a bed for long periods of time frequently develop pressure sores, which are medically known as decubitus ulcers and which are commonly referred to as bedsores. Decubitus ulcers are formed due to an interruption of blood flow in the capillaries below skin tissue due to pressure against the skin. These pressure sores can be debilitating and painful and, in extreme cases, can lead to death.
- In many instances an orthopedic mattress may be utilized to ease, or even alleviate the foregoing problems. An orthopedic mattress is useful because it promotes a healthy back and alleviates bed pain by supporting the spine in its correct alignment and by avoiding the development of localized pressure points. This in turn makes an orthopedic mattress comfortable, restful, and supportive and people who use orthopedic beds tend to sleep better, feel more rested in the morning, and are less likely to become restless during the night.
- Orthopedic mattresses come in a range of constructions from traditional springs and coils, to memory foam, latex foam, and composites of all three compositions. In particular, memory foam and latex mattresses are typically made to conform to the user's body rather than be hard or very firm. In this way, a mattress that contours around the sleeper enables the mattress to fill the gap under the lower back, while still being firm and offering support to the rest of the body without sagging or deflecting.
- Memory foam is a polyurethane-based foam that reacts to pressure and body heat. These properties allow the foam to mold itself to the shape of a warm body within a few minutes. By its nature, memory foam holds a lot of heat because the foam would not be effective if it didn't dissipate heat so slowly. Thus, an orthopedic mattress using memory foam may sleep warmer than traditional mattresses, especially in warm climates, which may make the user hot and sweaty. Thus, a need exists for an orthopedic mattress that provides cooling as well as comfort to the user.
- An air mattress is provided for use in orthopedic bedding. The mattress includes a convoluted top surface having a plurality of air vents, and sidewalls having a set of air channels that communicates with the air vents to promote the circulation of air throughout the mattress. In use, air is drawn into the set of air channels and ejected through the air vents to cool a user by natural convection.
- Also provided is a method of cooling a mattress. The method includes the steps of forming at least one air vent through a top surface of the mattress; forming at least one air channel in at least one sidewall of the mattress, wherein at least one air channel communicates vent with at least one air vent formed in the top surface; drawing cool air into at least one air channel of the mattress, the cool air passing from at least one air channel to at least one air vent fanned in the top surface; and ejecting the cool air from the mattress through at least one air vent. At least one elongated air channel may be formed in at least one sidewall of the mattress to provide more convection cooling in some areas of the mattress over other areas of the mattress.
- Other devices, apparatus, systems, methods, features and advantages of the invention will be or will become apparent to one with skill in the art upon examination of the following figures and detailed description. It is intended that all such additional systems, methods, features and advantages be included within this description, be within the scope of the invention, and be protected by the accompanying claims.
- The invention may be better understood by referring to the following figures. The components in the figures are not necessarily to scale, emphasis instead being placed upon illustrating the principles of the invention. In the figures, like reference numerals designate corresponding parts throughout the different views.
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FIG. 1 is a perspective view of one example of one implementation of an air mattress of the present invention. -
FIG. 2A is a top view of the air mattress ofFIG. 1 . -
FIG. 2B is a cross sectional view of the air mattress ofFIG. 1 . -
FIG. 3 is a side view of the air mattress ofFIG. 1 . -
FIG. 4 is a partial side perspective view of the air mattress ofFIG. 1 illustrating the passage of air through the air channels of the mattress. -
FIG. 5 is a perspective view of a second example of one implementation of an air mattress of the present invention. -
FIG. 1 illustrates one implementation of an embodiment of amattress 20 of the present invention. As illustrated, themattress 20 includes asupport layer 30, abase layer 40, and aconvection layer 50 disposed between thesupport layer 30 and thebase layer 40. - According to the invention, the
mattress 20 and each of its layers are formed of a foam material. For example, themattress 20 may be formed of a memory foam, latex rubber foam, rebond foam, polyurethane foam, high density foam, evlon foam, high resilience foam, closed cell foam, open cell foam, or any other suitable foam material. Themattress 20 may be constructed to a rectangular shape or any other suitable construction. Themattress 20 may also be constructed to a thickness ranging from approximately 8 inches to 16 inches, and to the dimensions of conventional bedding including hospital, twin, full, queen, king, California king, California queen, and super king-sized bedding. - The support, convection, and
base layers base layers support layer 30 may be of greater resilience (i.e., made from a lighter density foam) than the convection andbase layers mattress 20 layers may be constructed from the same type of foam material or alternatively, each layer may be constructed from a different type of foam. - Turning to
FIGS. 2B , and 3, thesupport layer 30 includes a convolutedtop surface 32 having a plurality of air vents 34 (see alsoFIG. 2A ), and aplanar bottom surface 36. In one implementation (shown inFIGS. 2A , 2B, and 3), thetop surface 32 of thesupport layer 30 is corrugated, but in other implementations thetop surface 32 may include an eggcrate, pane, checkerboard, sawtooth, or other suitable design. Thesupport layer 30 is configured to provide lumbar spine support and an even distribution of body weight to minimize the pressure applied against the user lying on themattress 20. - The
air vents 34, as shown in the figures, are holes that extend from thetop surface 32 to thebottom surface 36 of thesupport layer 30. Theair vents 34 are configured to allow cool air drawn into themattress 20 to flow out of thesupport layer 30, Theair vents 34 may be uniformly distributed throughout thesupport layer 30 to provide uniform cooling, while increasing the ability ofsupport layer 30 to conform to the user's body. In one implementation, theair vents 34 may be 0.25 inch drill holes, but in other implementations theair vents 34 may be constructed of any suitable size or shape. - Referring now to
FIG. 3 , thebase layer 40 may be a solid a piece of foam. Thebase layer 40 supports themattress 20 and is configured to rest on the box spring of a bed. As the base of the mattress, the thickness of thebase layer 40 may be greater than the thickness of the support andconvection layers base layer 40 may have a thickness of 7 inches, while theconvection layer 50 may have a thickness of 4 inches and thesupport layer 30 may have a thickness of 3 inches. However, the thickness of thebase layer 40 may vary according to the desired stiffness and rigidity of themattress 20. - Referring now to
FIGS. 2B and 3 , theconvection layer 50 includes a planartop surface 52,axial sidewalls 54, and aplanar bottom surface 56. Thesidewalls 54 include a first set oftransverse notches 60 formed along thetop surface 52 of theconvection layer 50, and a second set oftransverse notches 62 formed along thebottom surface 56 of theconvection layer 50. In one implementation, thetransverse notches - In one implementation, the first set of
notches 60 and thebottom surface 36 of thesupport layer 30 define a first set ofair channels 64. Theseair channels 64 are configured to communicate with the air vents 34 formed in thesupport layer 30 to promote the circulation of air throughout themattress 20. The second set ofnotches 62 and a top surface ofbase layer 40 define a second set ofair channels 66. These air channels are configured to draw-in cool air on one side of themattress 20, and displace warm air on an opposite side of themattress 20. In one implementation, theair channels FIGS. 2B and 3 , the air channels may be irregular in shape, but in other implementations the air channels may be constructed of different geometries. For example, the air channels may be rectangular, circular, triangular, or any other suitable shape. - In use, the
mattress 20 is positioned on the box spring of a bed with thesupport layer 30 uppermost, as shown inFIG. 1 . When a user rests on thesupport layer 30 of themattress 20, thesupport layer 30 tends to deform to closely conform to the contour of the user's body to gently support and evenly distribute the weight of the user over the surface area of thetop surface 32. As the user rests on thesupport layer 30 of themattress 20, the user's body generates heat that is absorbed by themattress 20. As illustrated inFIG. 4 , cool air (depicted byarrows 70 and 72) is drawn into theair channels convection layer 50 by natural convection.Air 70 passing through the first set ofair channels 62 communicates withair vents 34 in thesupport layer 30 to eject cool air from thesupport layer 30 to cool the user.Air 72 passing through the second set ofair channels 66 displaces from theconvection layer 50 warm air generated by the user's body heat, as depicted by arrow 74. Thus, theconvection layer 50 acts as a heat exchanger, as the circulation of air throughout the mattress provides the advantage of enabling the mattress to be cooled during its use, by natural convection. - As better shown in
FIG. 2B , in one implementation, one ormore air channels - In use, the
mattress 20 may be enclosed by a mattress cover (not shown) for durability and sanitary purposes. -
FIG. 5 illustrates another implementation of themattress 20 of the present invention. In this example, a third and fourth set ofair channels transverse sidewalls 110 of theconvection layer 50. In this configuration, the third and fourth set ofair channels air channels air channels air channels 130 may be configured to communicate with the air vents 34 formed in thesupport layer 30 to promote the circulation of air throughout themattress 20, and the fourth set ofair channels 140 may draw in cool air on one side of themattress 20 and displaces warm air on an opposite side of the mattress. - The foregoing description of implementations has been presented for purposes of illustration and description. It is not exhaustive and does not limit the claimed inventions to the precise form disclosed. Modifications and variations are possible in light of the above description or may be acquired from practicing the invention. The claims and their equivalents define the scope of the invention.
Claims (20)
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US12/539,098 US20110035879A1 (en) | 2009-08-11 | 2009-08-11 | Convection cooled mattress |
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US12/539,098 US20110035879A1 (en) | 2009-08-11 | 2009-08-11 | Convection cooled mattress |
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US20110035879A1 true US20110035879A1 (en) | 2011-02-17 |
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US12/539,098 Abandoned US20110035879A1 (en) | 2009-08-11 | 2009-08-11 | Convection cooled mattress |
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Cited By (19)
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US20110067183A1 (en) * | 2009-09-18 | 2011-03-24 | Hawkins Steven D | Cushioning device and method of manufacturing |
US20110092890A1 (en) * | 2009-10-20 | 2011-04-21 | Stryker Corporation | Microclimate management system |
WO2013012904A1 (en) * | 2011-07-19 | 2013-01-24 | Kingsdown, Inc. | Foam mattress with progressive support characteristics and method for manufacturing the same |
WO2013156438A1 (en) | 2012-04-17 | 2013-10-24 | Climazleeper Holding Aps | A means of transport with battery driven cooling of a sleeping driver |
US20130340168A1 (en) * | 2012-06-21 | 2013-12-26 | Hill-Rom Services, Inc. | Patient support systems and methods of use |
US20150359357A1 (en) * | 2014-06-12 | 2015-12-17 | Stork Craft Manufacturing Inc. | Compressible mattress |
US20170013977A1 (en) * | 2015-07-16 | 2017-01-19 | Iwi Ltd. | Modified foam layer and waterbase pillow |
US20170326012A1 (en) * | 2014-11-19 | 2017-11-16 | Science Medical, LLC | Disposable therapeutic bed linen |
US9833369B2 (en) | 2012-06-21 | 2017-12-05 | Hill-Rom Services, Inc. | Patient support systems and methods of use |
US20180133079A1 (en) * | 2016-11-11 | 2018-05-17 | Apex Medical Corp. | Patient support structure, pressure relief module and non-powered pressure regulation method |
WO2018191236A1 (en) * | 2017-04-10 | 2018-10-18 | Bedgear, Llc | Negative pressure mattress system |
US20200060431A1 (en) * | 2018-08-24 | 2020-02-27 | Sinomax USA Inc. | Mattress cover |
USD919333S1 (en) | 2019-08-27 | 2021-05-18 | Casper Sleep Inc. | Mattress |
USD927889S1 (en) | 2019-10-16 | 2021-08-17 | Casper Sleep Inc. | Mattress layer |
US11116326B2 (en) * | 2017-08-14 | 2021-09-14 | Casper Sleep Inc. | Mattress containing ergonomic and firmness-regulating endoskeleton |
US11202517B2 (en) | 2014-04-21 | 2021-12-21 | Casper Sleep Inc. | Mattress |
US11241100B2 (en) | 2018-04-23 | 2022-02-08 | Casper Sleep Inc. | Temperature-regulating mattress |
US20220338642A1 (en) * | 2014-05-09 | 2022-10-27 | Sleepme Inc. | Device for creation of plurality of adjustable acoustic and/or thermal zones in a bed |
USD1023622S1 (en) * | 2022-02-09 | 2024-04-23 | Kenneth A. Deese | Mattress |
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