Patents by Inventor Roger E. Medlin

Roger E. Medlin 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).

  • Energy meter
    Patent number: 4963820
    Abstract: An energy meter composed of a meter chassis (2) having a transducer (4) connected to sense energy usage and to provide an output having a fixed relation to the sensed energy usage, a replaceable register (6) connectable to the transducer (4) for converting the output provided by the transducer (4) into a readable energy usage indication, a transducer identifying unit (18) secured to the chassis (2) and coded to identify the fixed relation between the transducer output and the sensed energy usage, and a transducer sensing unit (10) secured to the register (6) for coupling with the transducer identifying unit (18) when the register (6) is connected to the transducer (4).
    Type: Grant
    Filed: May 11, 1989
    Date of Patent: October 16, 1990
    Assignee: ABB Power T & D Company
    Inventor: Roger E. Medlin