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Patentes

Citada por

Patente citante Fecha de presentación Fecha de emisión Cesionario original Título
US39369053 Jun 197410 Feb 1976Whirlpool CorporationVacuum cleaner suction tool
US417155411 May 197823 Oct 1979The Hoover CompanyNozzle height adjustment
US44674957 Oct 198228 Ago 1984Whirlpool CorporationVacuum cleaner nozzle lift device
US46140031 Abr 198530 Sep 1986Whirlpool CorporationPile height setting display for vacuum cleaner
US470632730 May 198617 Nov 1987Whirlpool CorporationAutomatic vacuum nozzle height adjustment system for vacuum cleaner
US504210912 Ene 199027 Ago 1991Royal Appliance Mfg. Co.Height adjustment mechanism
US526904210 Ene 199214 Dic 1993Royal Appliance Mfg. Co.Height adjustment system for vacuum cleaner
US549942520 Dic 199419 Mar 1996Ryobi Motor ProductsHeight adjustment mechanism for an upright vacuum cleaner
US59060247 Feb 199725 May 1999Bissell Inc.Nozzle lift and adjustment mechanism for an upright vacuum cleaner
US597057626 Mar 199726 Oct 1999The Hoover CompanyVacuum cleaner height adjustment
US60064029 May 199728 Dic 1999The Hoover CompanyVacuum cleaner suction nozzle configuration
US60819634 Ene 19994 Jul 2000BISSELL Homecare, Inc.Nozzle lift and adjustmentmechanism for an upright vacuum cleaner
US61237791 Jun 199926 Sep 2000Fantom Technologies Inc.Pressure based sensing means for adjusting the height of an agitator in a vacuum cleaner head
US635707613 Jun 200019 Mar 2002Samsung Kwang-Ju Electronics Co., Ltd.Suction nozzle unit for vacuum cleaner
US724640722 Sep 200324 Jul 2007Samsung Gwangju Electronics Co., Ltd.Height adjusting apparatus for suction brush of upright vacuum cleaner
US73535639 Jul 20048 Abr 2008Tacony CorporationVacuum cleaner height adjustment
US821496623 Jun 200810 Jul 2012Electrolux Home Care Products, Inc.Vacuum cleaner nozzle height indicator