Patents by Inventor Anthony J. Marrone, II

Anthony J. Marrone, II 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).

  • Deflator
    Patent number: 5007449
    Abstract: A relatively thin, disk shaped device containing a slot in its face, which slot narrows as it reaches the center of the disk so that when it engages the valve stem of a cut-check valve, the valve is deformed without damage a sufficient degree so that the cut-check valve is unseated allowing air to pass either way through the cut-check valve.
    Type: Grant
    Filed: January 2, 1990
    Date of Patent: April 16, 1991
    Inventor: Anthony J. Marrone, II