Patents by Inventor Fulvio Calzi

Fulvio Calzi 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).

  • Process and relevant apparatus for the indirect casting of billets with metal alloy in semi-liquid or paste-like state
    Patent number: 5161601
    Abstract: Process for casting billets with the metal alloy being in the liquid or paste-like state, which process consists of pouring the liquid alloy into a casting tank, then transferring it, by means of an electromagnetic-induction pump, to a mixer-cooler, preferably of static type, so as to obtain at the outlet of the latter an alloy in the semi-liquid state, and finally feeding said alloy directly to a traditional system for billet casting.
    Type: Grant
    Filed: April 5, 1991
    Date of Patent: November 10, 1992
    Assignee: Stampal, S.p.A.
    Inventors: Sergio Abis, Fulvio Calzi