Patents by Inventor David M. Cauger

David M. Cauger 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: 5513519
    Abstract: A method of quantitatively measuring energy transfer efficiency changes resulting from modifications in a boiler system, comprising: measuring the amount of fuel used by the boiler to produce a certain quantity of energy in its output; making modifications to the boiler system; measuring the amount of fuel used by the boiler, after the modifications, to produce the same certain quantity of energy; and determining the difference in the measured fuel usages as a measure of the effectiveness of the boiler system modifications.
    Type: Grant
    Filed: September 23, 1994
    Date of Patent: May 7, 1996
    Assignee: David M. Cauger
    Inventors: David M. Cauger, Andrew Sanford