Patents by Inventor Mark Edward Borja

Mark Edward Borja 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).

  • Acoustic dampers
    Patent number: 7322195
    Abstract: An acoustic resonator for use in an engine is provided. The acoustic resonator includes a cavity having a volume, an aperture, and a passage connecting the aperture and the cavity. The aperture has a profiled surface for delaying separation of fluid entering the passage and for reducing losses caused by fluid separation.
    Type: Grant
    Filed: April 19, 2005
    Date of Patent: January 29, 2008
    Assignee: United Technologies Corporation
    Inventors: Mark Edward Borja, Gavin Julian Hendricks