Patents by Inventor Alvaro Fontana

Alvaro Fontana 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).

  • Patent number: 4383694
    Abstract: A gasket device for statically sealing high pressure and temperature fluids, comprising a metal liner shaped to define at least two cavities laid beside each other in inverted positions, wherein inserts of an elastic material are accommodated which protrude from the cavities and ensure a tight seal contact with mating surfaces on two flanged elements to be interconnected.
    Type: Grant
    Filed: March 9, 1981
    Date of Patent: May 17, 1983
    Assignee: Raimondi S.p.A.
    Inventor: Alvaro Fontana