Patents by Inventor Grant A. Ingram

Grant A. Ingram 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).

  • Lean burn engine control NOx purging based on positional loading of oxidants in emission control device
    Publication number: 20060096277
    Abstract: Disclosed is a method for controlling a lean burn engine coupled to an emission control device that stores oxidants during lean operation, and reacts the stored oxidants during stoichiometric or rich operation, the method comprising estimating amounts of NOx stored in the device along a plurality of axial positions of the device and adjusting an operating parameter based on said estimate.
    Type: Application
    Filed: November 9, 2004
    Publication date: May 11, 2006
    Inventors: Gopichandra Surnilla, Christian Goralski, Shane Elwart, Grant Ingram
  • Power management system and method
    Patent number: 6427107
    Abstract: A power management controller for a machine which may be subjected to work assignments taxing the available power of the machine which automatically allocates power to the machine subsystems to ensure continued acceptable machine performance as power demands change.
    Type: Grant
    Filed: June 28, 2001
    Date of Patent: July 30, 2002
    Assignee: Caterpillar Inc.
    Inventors: George T. Chiu, Grant A. Ingram, Matthew A. Franchek, Richard G. Ingram