Patents by Inventor Vanna P. Rizzardi

Vanna P. Rizzardi 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: 5598938
    Abstract: A capsule of plastic material for infusion bottles comprises a capsule body adapted to be fitted on a neck of a bottle for retaining a pierceable plug in place, and a capsule cap to be fitted on the capsule body, the capsule body having a top wall provided with a hole and a downwardly extending annular ridge formed around the hole at a distance from the latter, the capsule cap having a plug formed so as to fit into the hole of the capsule body and provided with an annular rim on its periphery so as to be folded outwardly and to fit into a space defined by the pierceable plug, the top wall of the capsule body and the annular ridge of the capsule body.
    Type: Grant
    Filed: May 12, 1994
    Date of Patent: February 4, 1997
    Assignee: Capsulit S.p.A.
    Inventor: Vanna P. Rizzardi