Patents by Inventor Stuart E. Street

Stuart E. Street 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).

  • Conduit liner monitor
    Patent number: 5177468
    Abstract: The monitor allows for the non-destructive determination of the status of a liner disposed within a conduit. The conduit may, for example, be an elbow, valve, pipe. At least one wire is disposed within the liner in an area of concern. The wire is connected to a receptacle located on the conduit. A status display plugs into the receptacle and checks the continuity of the wire. If a wire is broken, this information is displayed, indicating a potential problem with the liner.
    Type: Grant
    Filed: December 2, 1991
    Date of Patent: January 5, 1993
    Assignee: Inco Limited
    Inventors: Stanley L. Baldwin, Payam Towfigh, Stuart E. Street