Patents by Inventor Franco Careddu

Franco Careddu 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).

  • Method of manufacturing corks for bottles
    Patent number: 4521266
    Abstract: The method of manufacturing corks consists of punching the corks out from a block which is formed by moulding and then baking. At least one of the major surfaces of the block forms part of a sheet made from strips of natural cork previously placed side-by-side and glued together, with their pores arranged parallel to the plane of the said surface, the remaining portion of the block consisting of cork agglomerate.
    Type: Grant
    Filed: July 15, 1983
    Date of Patent: June 4, 1985
    Assignee: Sugherificio P. Careddu S.p.A.
    Inventor: Franco Careddu