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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US480061311 Abr 198831 Ene 1989Bissell, Inc.Liquid extraction surface cleaning apparatus
US48265153 Mar 19882 May 1989Prototypes, Ltd.Vacuum cleaning apparatus
US516035615 May 19913 Nov 1992Notetry LimitedVacuum cleaning apparatus
US530753828 May 19933 May 1994Racine Industries, Inc.Carpet cleaning machine for particulate removal
US574297618 Dic 199528 Abr 1998Black & Decker Inc.Holding device for an end of a hose in a vacuum apparatus
US612977519 Ago 199810 Oct 2000G.B.D. Corp.Terminal insert for a cyclone separator
US61418268 Ene 19997 Nov 2000G.B.D. Corp.Center air feed for cyclonic separator
US616871619 Ago 19982 Ene 2001G.B.D. Corp.Cyclone separator having a variable transverse profile
US627727819 Ago 199821 Ago 2001G.B.D. Corp.Cyclone separator having a variable longitudinal profile
US631259419 Ago 19986 Nov 2001G.B.D. Corp.Insert for a cyclone separator
US633423429 Ene 19991 Ene 2002Fantom Technologies Inc.Cleaner head for a vacuum cleaner
US641971926 Jun 200116 Jul 2002G.B.D. Corp.Cyclonic vacuum cleaner
US659604620 Jun 200122 Jul 2003G.B.D. Corp.Cyclone separator having a variable longitudinal profile
US673687319 Dic 200218 May 2004G.B.D. CorporationAir flow passage for a vacuum cleaner
US674014414 Ene 200225 May 2004Fantom Technologies Inc.Vacuum cleaner utilizing electrostatic filtration and electrostatic precipitator for use therein
US67825855 Oct 200031 Ago 2004Fantom Technologies Inc.Upright vacuum cleaner with cyclonic air flow
US69025965 Abr 20047 Jun 2005GBD CorporationAir flow passage for a vacuum cleaner
US717931415 Abr 200420 Feb 2007Polar Light LimitedVacuum cleaner
US745570815 Nov 200625 Nov 2008G.B.D. CorporationAir flow passage for a vacuum cleaner
US764531123 Jun 200612 Ene 2010Samsung Gwangju Electronics Co., Ltd.Cyclone unit and contaminants-collecting apparatus having the same
US787783721 Ago 20031 Feb 2011Dyson Technology LimitedCleaning appliance including a telescopic wand assembly retainer
US801565926 Feb 200813 Sep 2011GBD CorporationAir flow passage for a vacuum cleaner