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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US421321426 Dic 197822 Jul 1980Multiple firmness multiple sleeper mattress
US442330822 Jun 198127 Dic 1983Simmons U.S.A. CorporationThermally controllable heating mattress
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US444926122 Jun 198122 May 1984Simmons U.S.A. Corp.Bed mattress having an improved pillow top
US523171724 Jun 19923 Ago 1993Leggett & Platt, IncorporatedBedding system
US525907920 May 19939 Nov 1993Big Sur Waterbeds, Inc.Double bed arrangement with combination mattress
US541488220 Ago 199316 May 1995Mattress assembly and method for rotating same
US574057413 Dic 199621 Abr 1998Hybrid mattress having portions with different support characteristics
US580264624 May 19968 Sep 1998Hill-Rom, Inc.Mattress structure having a foam mattress core
US581586530 Nov 19956 Oct 1998Sleep Options, Inc.Mattress structure
US58966051 Ago 199627 Abr 1999Bed mattress and method of construction
US598767810 May 199523 Nov 1999Simmons CompanyMultiple firmness mattress
US606516819 Nov 199823 May 2000Independent suspension mattress
US611586122 Abr 199812 Sep 2000PaTMark Company, Inc.Mattress structure
US619253824 Sep 199927 Feb 2001Modular mattress system with a removable liquid filled insert
US63781522 Mar 199830 Abr 2002Hill-Rom Services, Inc.Mattress structure
US646020918 Ene 20008 Oct 2002Hill-Rom Services, Inc.Mattress structure
US646361028 Jul 200015 Oct 2002The Coleman Company, Inc.Multi-chamber airbed
US648103318 Ene 200119 Nov 2002Multiple module mattress system with depressions accomodating inserts of differing firmness
US66879351 Jul 200210 Feb 2004Hill-Rom Services, Inc.Mattress structure
US695285223 Dic 200311 Oct 2005Hill-Rom Services, Inc.Mattress structure
US71914833 Jun 200520 Mar 2007American Pacific Plastic FabricatorsComposite foam mattress assembly
US745481020 Jun 200625 Nov 2008Divided support mattress
US750308425 Feb 200517 Mar 2009Integrated mattress leveling system
US750746831 Mar 200324 Mar 2009Tempur-Pedic Management, Inc.Laminated visco-elastic support
US770767030 Oct 20084 May 2010Tempur-Pedic Management, Inc.Pillow top for a cushion
US786598824 May 200711 Ene 2011Select Comfort CorporationSleeping surface having two longitudinally connected bladders with a support member
US80259647 Dic 200427 Sep 2011Tempur World, LLCLaminated visco-elastic support
US803444529 May 200911 Oct 2011Tempur-Pedic Management, Inc.Laminated visco-elastic support
USRE381357 Sep 200010 Jun 2003Hill-Rom Services, Inc.Mattress structure having a foam mattress core