Patents by Inventor Paul R. Madden

Paul R. Madden 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).

  • Valve cover for gas storage cylinder
    Patent number: 4645091
    Abstract: A valve cover for a gas storage cylinder comprising a support member affixed to the cylinder and a cap member matingly engageable to the support member by means of a double-acting lock.
    Type: Grant
    Filed: November 18, 1985
    Date of Patent: February 24, 1987
    Assignee: Union Carbide Corporation
    Inventors: Paul R. Madden, Andrew T. Kostanecki, George Mileos, Michael J. Michno, Jr.