Patents by Inventor William Vigna

William Vigna 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: 5551491
    Abstract: The feeders for forming portions of the product, the product supply reservoir and the valves which switch the connection of the feeders between the reservoir and the feed nozzles located on the feeding and packaging carousel are separate from the carousel itself and are mounted in any position in which they can be easily inspected, and the feeders are connected to the nozzles by means of the fixed part of at least one rotary joint disposed coaxially on the carousel. This joint is characterized by high reliability in operation, is designed to facilitate washing and sterilization of all the circuits through which the product flows, and if necessary can be easily dismantled for inspection of the various components.
    Type: Grant
    Filed: June 22, 1994
    Date of Patent: September 3, 1996
    Assignee: I.M.A. Industria Macchine Automatiche S.p.A.
    Inventors: Roberto Baruffato, Claudio Trebbi, Claudio Barbieri, William Vigna