Patents by Inventor T. Mark Whitaker

T. Mark Whitaker 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).

  • DC motor operated valve remote monitoring system
    Patent number: 4888996
    Abstract: A method and apparatus for remotely monitoring the condition of a DC motor operated valve and/or valve operator by monitoring at a remote location, such as the Motor Control Center ("MCC"), the output torque of the DC motor which drives the valve operator comprises method and apparatus for monitoring the armature circuit of the DC motor at the remote location (I.E.
    Type: Grant
    Filed: December 22, 1987
    Date of Patent: December 26, 1989
    Assignee: Movats Incorporated
    Inventors: Thomas A. Rak, T. Mark Whitaker