Patents by Inventor Marcos R. Piccili

Marcos R. Piccili 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).

  • Thermal spraying lining process for piston rings and nozzle for spraying
    Patent number: 5614022
    Abstract: A method and apparatus for coating piston rings by producing droplets of molybdenum and stainless steel from these materials in wire form which are sprayed, preferably in equal amounts to coat the outer surfaces of the rings. A plurality of rings are mounted on a body which are moved in a helical path during the spraying. A nozzle is used having a central passage through which the wire is fed and two sets of passages, one set for an oxy-acetylene mixture and the other for compressed air, with the outlet orifices of the two sets of passages arranged in concentric rings around the central passage outlet orifice.
    Type: Grant
    Filed: April 25, 1994
    Date of Patent: March 25, 1997
    Assignee: COFAP-Companhia Fabricadora de Pecas
    Inventors: Jan Vatavuk, Jose R. Z. Neto, Marcos R. Piccili