Patents by Inventor Ernesto Polini

Ernesto Polini 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).

  • Reinforced flexible tube, in particular for use in oleodynamic circuits
    Patent number: 5904184
    Abstract: A flexible tube (10), in particular for use in oleodynamic circuits, comprises a substrate shaped in the form of a tubular core (12) around which at least one reinforcing layer (14) is arranged. The substrate (12) comprises a radially internal layer of elastomeric material extruded longitudinally (16) and a radially external layer (20) obtained as a result of winding a strip of rubber-coated fabric spirally around the internal layer (16).
    Type: Grant
    Filed: May 1, 1997
    Date of Patent: May 18, 1999
    Assignee: Manuli Rubber Industries, S.p.A. Zona Industriale Campolungo
    Inventors: Ernesto Polini, Paolo Seghi