Patents by Inventor Robert G. Ellingwood

Robert G. Ellingwood 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: 4218737
    Abstract: An energy meter at an electrical substation contains a detector which chas state each time a quantity of energy is consumed. This data is accumulated in a microprocessor system. Real time energy consumption data is fed back to a customer monitoring station and may be telemetered to a power company central billing station. Customer and power company have their demand periods synchronized by the microprocessor system.
    Type: Grant
    Filed: August 30, 1977
    Date of Patent: August 19, 1980
    Assignee: The United States of America as represented by the Secretary of the Army
    Inventors: David J. Buscher, Robert G. Ellingwood, Marc A. Ressler