Patents by Inventor Rino Casellato

Rino Casellato 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).

  • Two ring piston with lower tapered L-shaped ring
    Patent number: 5133563
    Abstract: Piston rings for internal combustion engines and compressors are described. The piston ring comprises a generally "L-shaped" cross section and may be used in place of a conventional oil control piston ring. It may fulfill an exclusively oil scraping function or may act as a combined oil scraper and compression ring.
    Type: Grant
    Filed: January 11, 1991
    Date of Patent: July 28, 1992
    Assignee: Borgo-Nova SpA
    Inventor: Rino Casellato