Patents by Inventor Sean E. Haggerty

Sean E. Haggerty 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).

  • METHOD AND SYSTEM FOR LIMITING WATER BOILER HEAT INPUT
    Publication number: 20120225395
    Abstract: A method to control the heat input into a boiler utilizing the boiler return temperature to minimize the heat input and maximize the efficiency of the boiler.
    Type: Application
    Filed: March 1, 2011
    Publication date: September 6, 2012
    Inventor: Sean E. Haggerty
  • Fixed IDC operation of fuel cell power plant
    Patent number: 7799476
    Abstract: A method for operating a fuel cell power plant to supply power to an internal load and an external load, includes the steps of evaluating power needs of the internal and external loads to determine a fixed IDC value sufficient to supply the needs; providing auxiliary power to the internal load and output power to the external load so as to maintain operation of the fuel cell power plant at the fixed IDC value; and adjusting at least one of the auxiliary power to the internal load and output power to the external load so as to maintain operation of the fuel cell power plant at the fixed IDC value. Operation within a preselected voltage range is also provided.
    Type: Grant
    Filed: February 25, 2004
    Date of Patent: September 21, 2010
    Assignee: UTC Power Corporation
    Inventors: Paul A. Grubb, Paul R. Margiott, Sean E. Haggerty, Peter A. Golovchenko, Glenn W. Scheffler