Patents by Inventor Massimo Castagna

Massimo Castagna 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 for coating a metallic surface with a wear-resistant material
    Patent number: 4218494
    Abstract: The surface of a metallic substrate is coated with wear-resistant material by depositing on the surface a layer of a mixture of a coating powder including a metallic carbide with powdery silicon and heating said layer by exposure to a source of high density energy to bring about simultaneous evaporation of said silicon and fusion of said coating powder with bonding to said substrate. A coating of high surface porosity can be obtained.The substrate may be a piston ring for heavy-duty internal combustion engines.
    Type: Grant
    Filed: July 2, 1979
    Date of Patent: August 19, 1980
    Assignee: Centro Richerche Fiat S.p.A.
    Inventors: Armando Belmondo, Massimo Castagna