Patents by Inventor Scott Rusheon Pettigrew

Scott Rusheon Pettigrew 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: 9506649
    Abstract: Example methods and apparatus to control combustion process systems are disclosed. An example method includes monitoring an actual flow of fuel into a combustion process, calculating a relative heat release value corresponding to the fuel in the combustion process, and determining a fuel demand for the combustion process based on the relative heat release value.
    Type: Grant
    Filed: May 13, 2013
    Date of Patent: November 29, 2016
    Assignee: FISHER-ROSEMOUNT SYSTEMS, INC
    Inventors: John Duncan Rennie, Scott Rusheon Pettigrew, Barbara Kerr Hamilton, Andrea Nicole Bishop
  • Publication number: 20130302738
    Abstract: Example methods and apparatus to control combustion process systems are disclosed. An example method includes monitoring an actual flow of fuel into a combustion process, calculating a relative heat release value corresponding to the fuel in the combustion process, and determining a fuel demand for the combustion process based on the relative heat release value.
    Type: Application
    Filed: May 13, 2013
    Publication date: November 14, 2013
    Inventors: John Duncan Rennie, Scott Rusheon Pettigrew, Barbara Kerr Hamilton, Andrea Nicole Bishop