Patents by Inventor Alessandro Cantu'

Alessandro Cantu' has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Washing machine including improved apparatus for cleaning a recirculating filter thereof
    Patent number: 4972861
    Abstract: A dishwashing machine includes a recirculating pump having a casing, an inlet communicating with a sump of a washing tub, an outlet communicating with a spray arm located above the sump, and an impeller rotatable within the casing in a recirculating direction during a washing phase of operation of the machine and rotatable in a direction opposite to the recirculating direction during a drain phase of operation of the machine. A recirculating filter is positioned between the spray arm and the sump. To ensure that all water collected in the sump adjacent the inlet of the recirculating pump is discharged during the drain phase of operation of the machine, a conduit has a first end connected to the interior of the casing of the recirculating pump and a second end positioned adjacent the recirculating filter.
    Type: Grant
    Filed: November 22, 1989
    Date of Patent: November 27, 1990
    Assignee: Industrie Zanussi S.p.A.
    Inventors: Claudio Milocco, Gianni Santarossa, Alessandro Cantu', Ugo Favret