Patents by Inventor Francescato Ivan

Francescato Ivan 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).

  • Anti-siphon device for sanitary appliance
    Patent number: 5325885
    Abstract: A backflow preventing device located downstream of a water control member of a sanitary fitting comprises a casing defining a cavity which communicates with a water feeding pipe and with an air inlet. Two shutting members are serially mounted and displaceable under the effect of a depression in the water feeding pipe, thereby connecting the water feeding pipe with the open air through the cavity. The two shutting members are composed of deformable membranes having different characteristics. One membrane is thin, supple and is umbrella-shaped, the other is thick and has the shape of a disc.
    Type: Grant
    Filed: January 21, 1993
    Date of Patent: July 5, 1994
    Assignee: Kugler Fonderie et Robinetterie S.A.
    Inventors: Francescato Ivan, Daniel Meylan