Patents by Inventor R. Stephen Carr

R. Stephen Carr 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).

  • Patent number: 4644320
    Abstract: A home energy monitoring and control system for monitoring the electrical energy usage of a plurality of appliance loads. The system includes an energy monitor unit for each appliance load which plugs into a standard AC wall outlet and monitors power consumption and also has a power line transmitter/receiver for communicating with a master control station. The master control station receives energy usage data from each of the monitor units and stores the data for display in various user-selectable formats.
    Type: Grant
    Filed: September 14, 1984
    Date of Patent: February 17, 1987
    Inventors: R. Stephen Carr, Julius N. Dalzell, J. Fred Holmes, John M. Hunt