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Patentes

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Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US41712083 Oct 197716 Oct 1979Clarke-Gravely CorporationVacuum cleaner including diverter valve
US423757616 Abr 19799 Dic 1980Electronic Services, Ltd.Blower device for sweeping
US424563710 Jul 197820 Ene 1981Shutoff valve sleeve
US425610910 Jul 197817 Mar 1981Shut off valve for medical suction apparatus
US427573110 Jul 197830 Jun 1981Suction canister with vortex flow deflector
US44026872 Abr 19826 Sep 1983Suction collection system
US45369147 Mar 198427 Ago 1985CIC Int'l Corp.Wet-dry vacuum cleaner
US45425575 Jul 198424 Sep 1985CIC Int'l. Corp.Wet-dry vacuum cleaner
US461334822 Feb 198523 Sep 1986Disposable HEPA filtration device
US466736421 Ago 198526 May 1987Internationale Octrooi Maatschappij "Octropa" B.V.Floor-cleaning machine
US472682522 Sep 198623 Feb 1988GPAC, Inc.Disposable HEPA filtration device
US476438730 Ene 198716 Ago 1988Seymour Foods, Inc.Albumen collection method
US48415957 Ago 198727 Jun 1989The Kent CompanyVacuum pump-out system for wet/dry vacuum cleaner
US49398091 May 198910 Jul 1990Tank type liquid vacuum cleaner
US518283416 Abr 19922 Feb 1993White Consolidated Industries, Inc.Vacuum pump-out control valve for wet/dry vacuum cleaner
US525985423 Dic 19929 Nov 1993GPAC, Inc.Disposable HEPA filtration device
US526322525 Mar 199223 Nov 1993Wet/dry vacuum system
US571556812 Dic 199510 Feb 1998Shop Vac CorporationVacuum apparatus having a pump for discharging liquid therefrom
US585066812 Jul 199622 Dic 1998Shop Vac CorporationSelf-evacuating vacuum cleaner
US59183448 Oct 19966 Jul 1999Shop Vac CorporationSelf-evacuating vacuum cleaner
US592095511 Feb 199713 Jul 1999Shop Vac CorporationSelf-evacuating vacuum cleaner
US596677525 Nov 199619 Oct 1999Shop Vac CorporationSelf-evacuating vacuum cleaner
US60095966 Ene 19984 Ene 2000Shop Vac CorporationSelf-evacuating vacuum cleaner
US607907631 Jul 199727 Jun 2000Shop-Vac CorporationVacuum cleaner collection bag
US60819623 Sep 19984 Jul 2000Bissell Homecare, Inc.Upright water extraction cleaning machine with improved float assembly
US611236620 Ene 19995 Sep 2000Shop Vac CorporationOutlet priming self-evacuation vacuum cleaner
US611930430 Mar 199919 Sep 2000Shop Vac CorporationSelf-evacuating vacuum cleaner
US621988025 Ago 199924 Abr 2001Pullman-Holt CorporationVacuum cleaner
US645350711 Mar 200024 Sep 2002Self contained, self-cleaning, wet/dry vacuum machine
US721329719 Dic 20038 May 2007LG Electronics Inc.Vacuum cleaner having suction/exhaustion switch
US729332419 Sep 200313 Nov 2007Techtronic Industries Co., Ltd.Vacuum cleaner with level control
US781492614 Abr 200519 Oct 2010OASE GmbHLiquid aspirator
USRE3307423 Sep 19873 Oct 1989CIC Int'l Corp.Wet-dry vacuum cleaner