Patents by Inventor Derek Gray MacKay

Derek Gray MacKay 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).

  • Lift measurement
    Patent number: 7658113
    Abstract: A method of determining the lift generated by a lift-generating member is presented. The lift-generating member being coupled to a component within the lift load path with the lift load path component experiencing strain as a result of the lift generated by the lift-generating member. The method involves the steps of coupling at least one strain measurement means to the lift load path component, obtaining strain measurements from the strain measurement means, and calculating the lift generated by the lift-generating member from strain measurements.
    Type: Grant
    Filed: February 4, 2008
    Date of Patent: February 9, 2010
    Assignee: Rolls-Royce plc
    Inventors: Ivan Fyfe Confield, Derek Gray MacKay, Robert George Andrew Melville, David Harvey