Patents by Inventor Keith John Leslie

Keith John Leslie 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 of monitoring gas turbine engine operation
    Patent number: 8594903
    Abstract: A system, method and apparatus for monitoring the performance of a gas turbine engine. A counter value indicative of the comparison between the engine condition and the threshold condition is adjusted. The aircraft operator is warned of an impending maintenance condition based on the counter value and determines an appropriate course of action.
    Type: Grant
    Filed: December 29, 2008
    Date of Patent: November 26, 2013
    Assignee: Pratt & Whitney Canada Corp.
    Inventors: Mark Edward Feeney, Keith John Leslie, Yusuf Razi Syed, Simon John Hartropp
  • METHOD OF MONITORING GAS TURBINE ENGINE OPERATION
    Publication number: 20090229272
    Abstract: A system, method and apparatus for monitoring the performance of a gas turbine engine. A counter value indicative of the comparison between the engine condition and the threshold condition is adjusted. The aircraft operator is warned of an impending maintenance condition based on the counter value and determines an appropriate course of action.
    Type: Application
    Filed: December 29, 2008
    Publication date: September 17, 2009
    Inventors: Mark Edward FEENEY, Keith John Leslie, Yusuf Razi Syed, Simon John Hartropp
  • Method of monitoring gas turbine engine operation
    Patent number: 7487029
    Abstract: A system, method and apparatus for monitoring the performance of a gas turbine engine. A counter value Indicative of the comparison between the engine condition and the threshold condition is adjusted. The aircraft operator is warned of an impending maintenance condition based on the counter value and determines an appropriate course of action.
    Type: Grant
    Filed: May 21, 2004
    Date of Patent: February 3, 2009
    Inventors: Mark Edward Feeney, Keith John Leslie, Yusuf Razl Syed, Simon John Hartropp