Patents by Inventor Paolo Ballerini

Paolo Ballerini 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).

  • Equipment for producing a yarn having loosened fibers and binding threads
    Patent number: 5027594
    Abstract: Loosened fibers are engaged by means of twisted or knitted binding yarns (FL); a feed roller (210) for the fibers of a roving or fiber top is tangent to a card (206) placed in a housing (212) opening onto a cavity (214) which is essentially tangential to said housing (212), in order to deliver the loosened fibers of the roving in the form of light batting to the binding means.
    Type: Grant
    Filed: November 2, 1988
    Date of Patent: July 2, 1991
    Assignee: 3 B di Ballerini & C. S.n.c.
    Inventors: Cecilia Gamberoni, Paolo Ballerini