Patents by Inventor Narciso Selleri

Narciso Selleri 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).

  • Apparatus for checking the geometrical features of mechanical pieces
    Patent number: 4306455
    Abstract: An apparatus for checking the geometrical features of mechanical pieces, including a feeler adapted to contact the macrogeometric profile of the piece to be checked, a transducer coupled to the feeler for providing a reference signal and a non-contacting sensing device including a reactive type transducer for providing a signal responsive to the microgeometry of the piece. A parameter indicative of the roughness of the piece may be obtained by processing the signals provided by the transducer coupler to the feeler and by the other transducer.
    Type: Grant
    Filed: December 11, 1979
    Date of Patent: December 22, 1981
    Assignee: Finike Italiana Marposs S.p.A.
    Inventor: Narciso Selleri