Patents by Inventor Giovanni G. Le Donne

Giovanni G. Le Donne 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: 4553574
    Abstract: A valve tip seal for a filler valve assembly of a container filling apparatus wherein a hard surfaced sealing member and a resiliently deformable backup member cooperate to permit the sealing member to assume non-aligned orientations with respect to a central tube portion of the filler valve whereby the sealing member is able to provide for effective sealing engagement with a sleeve portion of the valve assembly which encompasses the central tube portion and may assume misaligned orientations with respect to the central tube portion.
    Type: Grant
    Filed: September 22, 1983
    Date of Patent: November 19, 1985
    Assignee: Horix Manufacturing Co.
    Inventor: Giovanni G. Le Donne