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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 8099811 | Multi-stranded coil spring A spring assembly including a helical coil formed from a multi-strand cord. ... | 01/24/2012 |
| 7861342 | Multi-combinational spring mattress A multi-combinational spring mattress includes a frame portion for enclosing and defining a containing space, a bottom layer having a plurality of linear ditches longitudinally and latitudinally intersected at the top of the bottom layer, a plurality of lumps formed... | 01/04/2011 |
| 7814594 | One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr... | 10/19/2010 |
| 7805790 | Foam springs and innerspring combinations for mattresses A dual spring support structure for mattresses or other reflexive support structures employs a foam spring in combination with an innerspring or foam core, to provide a multi-mode and multi-structural support surface with a multiple, constant, or complimentary sprin... | 10/05/2010 |
| 7640611 | Mattress design A mattress embodying a foam encasement surrounding individually wrapped coils and lacking a barrier separating upholstery layers from the coil assembly. Border material is affixed to sidewalls forming the foam encasement and the upholstery layer is tacked to a base ... | 01/05/2010 |
| 7636971 | Innerspring dampening inserts Dampened and zoned innersprings for use in support systems such as mattresses and furniture have dampening inserts in the form of foam pieces which fit integrally with the springs or coils of an innerspring. Dampened innersprings with one or more foam dampeners inse... | 12/29/2009 |
| 7578016 | One-sided innerspring assembly A spring cushion assembly for a one-sided mattress includes a plurality of spring coils. Each spring coil has a length of spring wire formed at opposite upper and lower ends in respective upper and lower end turns and in an intervening coil extent therebetween. The ... | 08/25/2009 |
| 7487564 | Articulatable spring mechanisms for items of furniture A quiet, non-binding articulatable spring mechanism for resiliently supporting a mattress includes a system of articulatable, sinuous springs, each having hooked ends for silencing the mechanism during use or collapse, as well as central offset portions for enabling... | 02/10/2009 |
| 7484257 | Electromechanical furniture drive mechanism Electromotive furniture drive for displacing parts of a piece of furniture relative to one another. The drive includes a drive element that can linearly move along a linear motion axis. This drive is provided for pivoting a pivotal element, which can pivot about a p... | 02/03/2009 |
| 7458121 | Health bed capable of adjusting the spine curve of a human body A health bed capable of adjusting the spine curve of a human body mainly comprises a plurality of elevators. Each of the elevators includes a lower plate having several upholders extending therefrom wherein a motor is fixed on the center of the lower plate and the a... | 12/02/2008 |
| 7424762 | Mattress assembly and manufacturing process for a mattress using adhesive patches A mattress and a method of manufacturing a mattress are disclosed. The mattress includes a mattress core, a side rail joined to the mattress core by a one or more adhesive patches, optionally a deck applied over an area of the mattress core and joined to the mattres... | 09/16/2008 |
| 7424763 | Channel-cut cushion supports The support characteristics within a foam mattress body may be varied by inserting reinforcements into channels cut or otherwise formed within the foam. ... | 09/16/2008 |
| 7418753 | One-sided mattress A one-sided mattress construction includes a spring assembly with asymmetric spring coils. Only the bottom portion of each spring coil is attached, either to adjacent spring coils or to a bottom surface of the mattress. The top portion of each spring may have a narr... | 09/02/2008 |
| 7404223 | Innerspring coils and innersprings with non-helical segments Innerspring coils for innersprings for mattresses and other reflexive support structures, have generally helical coil bodies and at least one non-helical segment or step which extends between one or both axial ends of the coil body and one or both of the coil ends. ... | 07/29/2008 |
| 7386897 | Bedding or seating product made with coil springs having unknotted end turns Disclosed herein is a bedding or seating product having a spring core comprising coil springs having unknotted end turns made from high tensile strength wire. In each embodiment, the end turns of the coil springs are generally U-shaped having one leg longer than the... | 06/17/2008 |
| 7367073 | Air mattress with pillow top An air mattress includes a first inflatable compartment having a length and width, when inflated, sufficient to support a human body. The first compartment is composed of at least two layers of vinyl, one layer of vinyl forming the top of the compartment and the sec... | 05/06/2008 |
| 7325267 | Frame mattress The present invention concerns a frame mattress comprising a frame (1) with a spring inlay (3) surrounded by the frame, and a material (2) over the spring inlay, together with a reversible mattress (5), arranged for abutting the material ... | 02/05/2008 |
| 7287291 | Mattress with improved edge support A mattress is provided comprising a plurality of inner coil springs and an edge support. The edge support comprises a foam border extending along the outer perimeter of the mattress and around the inner coil springs, a plurality of spaced slits inserted into the foa... | 10/30/2007 |
| 7284494 | High comfort mattresses having fiberballs In one embodiment, a mattress is constructed of a core having a first side and a second side. A padding layer is positioned at the first side of the core and has a contoured surface and a planar surface. A layer of individual fiberballs is disposed on the planar sur... | 10/23/2007 |
| 7285001 | Tension-exerted hoop for plastic and rubber articles A tension-exerted hoop for plastic and rubber articles comprises a tension-exerted (lock) hoop made up of a plurality of flexible wires wound into a hoop-shaped configuration wherein the flexible wires are respectively twined and bundled up via multiple thin filamen... | 10/23/2007 |
| 7251845 | Patient bed, and method for reproducibly positioning and supporting a patient therewith A patient bed and a method for reproducibly positioning and supporting a patient in a medical diagnosis or therapy apparatus, such as a CT apparatus or an MRI apparatus, involve supporting at least regions of the patient body in a desired position on the patient bed... | 08/07/2007 |
| 7251847 | Continuous wire spring mattress or seating product and method of manufacture A mattress or seating spring core assembly and method of manufacture which comprises interconnected rows of coil springs wherein each row terminates in a cut wire end which is bent inwardly into one of the end coils and in which the spring core assembly is surrounde... | 08/07/2007 |
| 7219381 | Perimeter stiffening system for a foam mattress A stiffening system for the perimeter edges of a foam core mattress comprising a coil spring (or other spring-based) structure disposed along one or more perimeter edges (e.g., one or both side edges, the foot, the head, or a combinations thereof including the foot ... | 05/22/2007 |
| 7211167 | Method and apparatus for manufacturing innerspring assemblies A method for the manufacture of an innerspring assembly, suitable for a mattress, cushion, or the like, is disclosed. In one aspect, the method involves the steps of: positioning a first string of pocketed coil springs in juxtaposition with a plurality of adhesive a... | 05/01/2007 |
| 7210181 | Spring construction An improved spring construction for mattresses, box springs, furniture and other applications is provided. The application of such springs in mattresses, box springs, furniture and other applications is also provided. In one aspect of the invention, the spring const... | 05/01/2007 |
| 7200884 | Mattress assembly and manufacturing process for a mattress using adhesive patches A mattress and a method of manufacturing a mattress are disclosed. The mattress includes a mattress core, a side rail joined to the mattress core by a one or more adhesive patches, optionally a deck applied over an area of the mattress core and joined to the mattres... | 04/10/2007 |
| 7194777 | Pocket mattress with varying height A mattress comprising coil springs arranged as spring units in covering pockets, a so-called pocket mattress, is provided. The spring units of the mattress are arranged in succession in elongate strings, the mattress comprising a plurality of such interconnected str... | 03/27/2007 |
| 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 material and the base cooperate to provide support for the body. ... | 03/20/2007 |
| 7191483 | Composite foam mattress assembly A method of building and marketing composite foam mattress assemblies and a resulting bed in which the properties of the mattress may be modified in the sectors of the mattress and in the zones of the mattress. ... | 03/20/2007 |
| 7188379 | Combination air and spring mattress for a sofa sleeper This invention is directed to a mattress assembly for use in a sofa sleeper. The mattress assembly has an outer shell and an inner support received within the outer shell. The shell includes a lower panel, a sidewall, and a cover that fit together to form a cavity t... | 03/13/2007 |
| 7185379 | Foam encased innerspring with internal foam components (triple case) A molded foam-encased integrated flexible support device includes an innerspring positioned upon a three-dimensional thermoplastic foam deck as a flexible foundation, and a molded foam encasement which structurally integrates the foam deck with the innerspring by at... | 03/06/2007 |
| 7181796 | Mattress structure with an improved lumbar zone A mattress spring structure (10) is provided with a strengthened central area (C) thereon to provide greater support for a user's body lumbar region when received thereon. The support is provided with a strengthening structure (30) having a continuous ... | 02/27/2007 |
| 7178187 | Asymmetric spring components and innersprings for one-sided mattresses Asymmetric spring components for mattress and other flexible support structures, in the form of helical coil springs with turns in the coil body having varying pitch angles and radii, and a single support end for use in a one sided innersprings in one-sided mattress... | 02/20/2007 |
| 7168117 | Multi-stranded coil spring A spring assembly including a helical coil formed from a multi-strand cord. ... | 01/30/2007 |
| 7152854 | Spring mechanism and cell contact mechanism for small electronic device In a cell cover according to the present invention, a compressed coil spring formed by deforming a linear elastic member is fixed to a plate member provided with a raised bent portion as a projection on a first side. The raised bent portion engages with an engagemen... | 12/26/2006 |
| 7150059 | Heat and flame-resistant materials and upholstered articles incorporating same A mattress, foundation, or other upholstered sleep product or article includes a core and barrier material surrounding the core. The barrier material includes flame and heat-resistant material that is configured to prevent combustion of the core when the upholstered... | 12/19/2006 |
| 7140884 | Contact assembly and method of making thereof A contact assembly including an insulative carrier having a plurality of passages formed therein. A spring contact is positioned in the plurality of passages. The spring contact includes a helical spring and a contact plate affixed to one end of the helical spring. ... | 11/28/2006 |
| 7107639 | Infant support apparatus An infant support apparatus for supporting an infant lying prone on its torso, configured to aid in soothing the infant and to aid in relieving and reducing the infant's gas pains. The infant support apparatus supports the head of the infant, the torso of the infant... | 09/19/2006 |
| 7100525 | System and method of finishing ruffled gussets/borders A system for forming and attaching pillowtop attachment gussets and borders to panels, with the gusset or border material being fed from a supply into a sewing station. The gusset or border material is passed through a folder assembly that directs the gusset or bord... | 09/05/2006 |
| 7096528 | Bed construction with reduced sagging A bed construction having a one-sided mattress assembly supported on a rigid foundation. The one-sided mattress assembly includes a core of pocketed coil springs having a layer of resiliently compressible material covering the upper surface thereof and having a bott... | 08/29/2006 |
