Did You Know...
...that the x-ray was discovered purely by accident? When German physicist Wilhelm Konrad von Roentgen was experimenting with cathode rays in 1895, he put an activated Crookes tube in a book and went out to lunch. When he returned, he discovered that a key that had also been placed in the book showed up as an image on the developed film!
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| Number | Title | Issue Date |
| 8156588 | Mattress encasement An improved encasement for a mattress which thwarts the escapement of bed bugs from a mattress through the encasement and which thwarts the encroachment of beg bugs through the encasement into the mattress. An elongated opening is provided in the encasement which is... | 04/17/2012 |
| 8056169 | Institutional mattress and pillow composite with transparent covering A composite mattress with or without a pillow made of flexible or compressible filling material covered by a pliable transparent polymeric cover material with a visual clarity to allow one to detect, locate, and identify contraband items hidden under the cover mater... | 11/15/2011 |
| 7849543 | Encasement systems In one embodiment, a fabric cover configured to substantially surround a mattress is disclosed. A zipper is coupled to the fabric cover and configured to provide an opening in the fabric cover. The zipper is further has a zipper pull and is configured to be opened a... | 12/14/2010 |
| 7849542 | Mattresses having flame resistant panel Mattresses and methods for manufacturing mattresses that have a flame resistant panel, such as a flame resistant border panel. The systems and methods include mattresses that have a flame resistant panel that, in certain embodiments, includes a fire barrier layer ma... | 12/14/2010 |
| 7827637 | Mattress with flame resistant moisture barrier A flame resistant moisture barrier and a mattress having such a barrier and related methods of manufacture provide mattresses, furniture cushions and other products that provide resistance to flame and moisture. ... | 11/09/2010 |
| 7581271 | Low-profile mattress A low-profile mattress comprises an inner spring core having a plurality of spring coils and having an upper and lower surface. The mattress further includes a padding layer disposed on the upper surface and a quilting layer disposed over the padding layer and havin... | 09/01/2009 |
| 7370380 | Mattress with removable top A mattress is constructed from a mattress body having an upper and a lower deck, which is preferably pervious to moisture and air. A removable panel, which includes a top layer of breathable fabric, a bottom layer of a fabric that forms a moisture barrier, and a bat... | 05/13/2008 |
| 7340788 | Method to improve the firmness of a pillowtop mattress A method for increasing the firmness of a pillowtop or any other soft mattress. The method includes providing a rectangular sheet of cotton fabric material having hook fasteners on one end and loop fasteners on an opposite end to attach the sheet of material around ... | 03/11/2008 |
| 7234183 | Multiple chamber fluid pressurizable mattress The present invention comprises a fluid pressurizable multiple chamber mattress wherein each chamber is capable of operably receiving and releasing a fluid, comprising a first covering sheet, at least two fabric layers positioned upon the inner surface of the first ... | 06/26/2007 |
| 7222379 | Pillow kit with removable interior cores The pillow kit cover member, which includes substantially identical top and bottom portions, each of which includes inner and outer layers. The top and bottom portions are secured around the peripheries thereof, except for one side, which includes a zipper or simila... | 05/29/2007 |
| 7181797 | Mattress cover with expandable sidewalls A generally impermeable mattress cover having expandable sidewalls is provided to enclose a mattress to provide protection against allergens, dust mites, fluids, and other spills and spoils. The cover comprises generally impermeable top and bottom walls, and sidewal... | 02/27/2007 |
| 7174589 | Inflatable cushion systems and method of manufacture thereof An inflatable device for people to sit, lie or sleep on is provided, which device allows water vapor produced by the person's perspiration or condensation to escape from the vicinity of his/her body, which device can be readily manufactured without undue amounts of ... | 02/13/2007 |
| 7165281 | Bed A bed comprises a support arrangement (1) adapted to provide upper support surfaces for and carry a person lying in the bed through an upper limitation thereof. A suction device is arranged to generate an air flow from the contact surfaces between a person ly... | 01/23/2007 |
| 7127763 | Crib mattress safety features Safety features for a crib mattress are described. One safety feature is designed to maintain airflow to a fan inlet despite the fan inlet being blocked by a mattress sheet. Another safety feature removes obstructions to airflow within the mattress so that air is di... | 10/31/2006 |
| 7065849 | Method of producing waterproof foam mattresses Production process for waterproofed foam mattresses, starting from a foam material body (1) in which a plurality of passing through holes (2) are carried out in the bigger faces and some passing through holes (3) with a smaller diameter are carr... | 06/27/2006 |
| 7062808 | Systems and methods for encasing mattresses Zipper-less encasing systems for a mattress are disclosed. One such system includes a bottom encasing configured to fit snugly over a bottom portion of the mattress and a top encasing configured to fit snugly over a top portion of a mattress and overlap with a porti... | 06/20/2006 |
| 7059001 | Mattress A mattress comprises a sealed outer casing within which is mounted a resilient support formed by a composite foam core. At least an upper portion of the resilient support is formed by a visco-elastic foam. A vent is provided in a side wall of the casing and is cover... | 06/13/2006 |
| 7051388 | Stay-put sheet covers A bedding system for inhibiting sheets being inadvertently pulled out from between a mattress and a box spring. The bedding system includes a pair of cover members comprising a main portion and a friction enhancing portion. The main portion of one of the cover membe... | 05/30/2006 |
| 6971130 | Mattress cover with expandable sidewalls A generally impermeable mattress cover having expandable sidewalls is provided to enclose a mattress to provide protection against allergens, dust mites, fluids, and other spills and spoils. The cover comprises generally impermeable top and bottom walls, and sidewal... | 12/06/2005 |
| 6964074 | Anti-microbial/-allergenic mattress and process of forming thereof An anti-microbial/-allergenic sleep set and process of forming thereof is provided and comprises a mattress and box spring, each having an allergen-impermeable barrier layer incorporated within. The mattress comprises a support apparatus, a top and bottom panel, fir... | 11/15/2005 |
| 6948207 | Mattress cover with a zipper covered by a flap A mattress cover, especially for hospital mattresses prevents the ingress of liquids to the mattress core. The mattress cover includes an opening to allow the cover to be put on, and taken off, a mattress core. The opening is closed by a zip fastener (10). Th... | 09/27/2005 |
| 6901618 | Low profile mattress A low-profile mattress comprises an inner spring core having a plurality of spring coils and having an upper and lower surface. The mattress further includes a padding layer disposed on the upper surface and a quilting layer disposed over the padding layer and havin... | 06/07/2005 |
| 6785923 | Institutional bedding with integral pillow and mattress A bedding arrangement is provided having a compressible foam mattress pad and compressible foam pillow pad integrated as a single bedding unit within a fluid resistant or impermeable cover whose seams are heat sealed together. Air ventilation through the cover and a... | 09/07/2004 |
| 6687937 | Moisture drying mattress with separate zone controls A moisture drying mattress comprised of at least one cushion that has opposite top and bottom surfaces and a plurality of apertures that extend through the cushion from the bottom surface to the top surface. An air channel mat is positioned below the cush... | 02/10/2004 |
| 6618880 | Mattress cover with expandable sidewalls A generally impermeable mattress cover having expandable sidewalls is provided to enclose a mattress to provide protection against allergens, dust mites, fluids, and other spills and spoils. The cover comprises generally impermeable top and bottom walls, ... | 09/16/2003 |
| 6601250 | Bed sheet with pockets A bed sheet with pockets for storing a wide variety of objects and items for greater organization in a bedroom. The bed sheet with pockets includes a sheet of material having a top side and also having top and side edges; and also includes pocket members ... | 08/05/2003 |
| 6516482 | Institutional bedding with integral pillow and mattress A bedding arrangement is provided having a compressible foam mattress pad and compressible foam pillow pad integrated as a single bedding unit within a fluid resistant or impermeable cover whose seams are heat sealed together. Air ventilation through the ... | 02/11/2003 |
| 6487739 | Moisture drying mattress with separate zone controls A moisture drying mattress comprises a cover that encloses an air cell mattress and a plurality of air channel mats. The cover has a top portion that is vapor permeable and liquid impermeable. The air cell mattress has a plurality of apertures between the... | 12/03/2002 |
| 6363553 | Antiallergenic covering for receiving objects contaminated with allergens and/or fine dust absorbed into the lung The allergen-inhibiting encasing for receiving objects contaminated with respirable fine and extremely fine dust, house dust, moulds and allergens, e.g. excretions of house dust mites, together with air, especially bedding and/or upholstery of all kinds, ... | 04/02/2002 |
| 6360388 | Support pillow A support pillow for assisting to position a person on their side. The support pillow has a cylindrical foam core and a foam exterior portion wrapped around the circumference of the core. The exterior portion has a plurality of projections extending radia... | 03/26/2002 |
| 6351864 | Institutional bedding with integral pillow and mattress A bedding arrangement is provided having a compressible foam mattress pad and compressible foam pillow pad integrated as a single bedding unit within a fluid resistant or impermeable cover whose seams are heat sealed together. Air ventilation through the ... | 03/05/2002 |
| 6256816 | Method of forming a textile article A method of forming a textile article and the resultant article has contained filling preventing penetration by allergens. A continuous rectilinear strip of air permeable material has parallel side edges and terminates at an edge transverse to the paralle... | 07/10/2001 |
| 5966759 | Mattress cover A mattress cover is configured such that it is made differently at the top and bottom in that under a top side material is an allergen-proof barrier layer and the bottom material is made only mite-proof in order, on the one hand, to create an effective pr... | 10/19/1999 |
| 5950264 | Bedding articles enclosed in elastic laminated waterproof moisture-permeable allergen barriers Bedding articles which are encased (or of which all or part of the upholstery is enclosed) in an allergen barrier. The allergen barrier comprises an elastic stretch knit substrate laminated with a monolithic, hydrophilic, moisture-vapor permeable elastic ... | 09/14/1999 |
| 5910081 | Mattress cover The present invention provides a mattress cover that is resistant to liquid migration. The cover top has an unbroken surface, that is, a surface without a stitch line or needle holes in that part of the cover which may be subjected to body fluids. In a pr... | 06/08/1999 |
| 5720057 | Disaster relief bed A portable mattress assembly adapted for use in disaster relief situations having mattress support material engineered to provide a suitable balance between portability and comfort. The mattress assembly includes a fabric envelope adapted to provide a rug... | 02/24/1998 |
| 5311624 | Mattress having 2-ply moisture barrier and replaceable upholstery An innerspring mattress construction is provided which includes a laminated liquid or moisture barrier layer which itself provides improved attachment properties. Also provided is a water mattress construction having improved resistance to leakage. Also p... | 05/17/1994 |
| 5265294 | PVC mattress with impermeable PVC coating A mattress of plastic foam material for medical purposes. The foam material is polyvinylchloride foam which has been coated with polyvinylchloride to create a completely seamless surface. Thus, the material is made impenetrable to potentially infectious b... | 11/30/1993 |
| 5189745 | Mattress construction for support structure containing human waste collection system A system is provided for the collection, storage and disposal of human wastes. An externally positionable patient interface directs wastes to a storage container. Accumulated wastes are sealed within the storage container to prevent cross-contamination. T... | 03/02/1993 |
| 5136741 | Multiple component mattress with removable cover A mattress intended for use in hospital facilities, and having replaceable parts is disclosed. The mattress is made up of an upper layer of one foam material and a lower thicker layer, itself having two layers. The first lower layer is constructed to give... | 08/11/1992 |
