Patents Represented by Attorney B. T. Biederman

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  • 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