Patents by Inventor Derek Clarke

Derek Clarke 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: 8757508
    Abstract: A fluid flow control device has an annular fixed body with at least one aperture in an annular surface thereof. When in use, fluid is arranged to flow through the at least one aperture. A thermally responsive annular valve element is mounted concentrically with respect to the fixed body. The configuration of the annular valve element is changeable with temperature so as to control the flow of fluid through the at least one aperture.
    Type: Grant
    Filed: April 8, 2010
    Date of Patent: June 24, 2014
    Assignee: Rolls-Royce PLC
    Inventors: Andras D Haasz, Alexander E H Fitzhugh, Christopher J Burden, Jonathan Wilson, Samuel M Sampson, Derek Clarke
  • Publication number: 20100288376
    Abstract: A fluid flow control device for regulating the flow of fluid in a passage comprises an annular fixed body having at least one aperture in an annular surface thereof, through which fluid is arranged to flow in use, and a thermally responsive annular valve element mounted concentrically with respect to the fixed body and whose configuration is changeable with temperature so as to control the flow of fluid through the at least one aperture.
    Type: Application
    Filed: April 8, 2010
    Publication date: November 18, 2010
    Applicant: ROLLS-ROYCE PLC
    Inventors: Andras D. Haasz, Alexander E. H. Fitzhugh, Christopher J. Burden, Jonathan Wilson, Samuel M. Sampson, Derek Clarke