Patents by Inventor Leith Patrick Hitchcock

Leith Patrick Hitchcock 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).

  • Vibration analysis for predictive maintenance in machinery
    Patent number: 7099782
    Abstract: A method for detecting vibration signatures in a reversible drive is disclosed. The method includes the steps of acquiring digital data representative of vibrations in the reversible drive and identifying and grouping together portions of data in a plurality of groups. The identified portions of data relate to a particular direction of travel of the reversible drive and the plurality of groups relate to travel in different directions of the reversible drive. The method can include the further step of processing at least one of the groups of data using signal processing techniques. A system and computer program product for practicing the method for detecting vibration signatures in a reversible drive are also disclosed.
    Type: Grant
    Filed: July 8, 2002
    Date of Patent: August 29, 2006
    Assignee: Shell Oil Company
    Inventors: Leith Patrick Hitchcock, Nicholas Schmitz
  • Vibration analysis for predictive maintenance in machinery
    Publication number: 20040199348
    Abstract: A method for detecting vibration signatures in a reversible drive is disclosed. The method includes the steps of acquiring digital data representative of vibrations in the reversible drive and identifying and grouping together portions of data in a plurality of groups. The identified portions of data relate to a particular direction of travel of the reversible drive and the plurality of groups relate to travel in different directions of the reversible drive. The method can include the further step of processing at least one of the groups of data using signal processing techniques. A system and computer program product for practicing the method for detecting vibration signatures in a reversible drive are also disclosed.
    Type: Application
    Filed: May 24, 2004
    Publication date: October 7, 2004
    Inventors: Leith Patrick Hitchcock, Nicholas Schmitz