Patents by Inventor Emile E. Damotte

Emile E. Damotte 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).

  • Noise suppression louver having horizontal and vertical slats
    Patent number: 6273213
    Abstract: A noise suppression louver for an enclosure, in particular, an apparatus for suppressing sound at the openings which allow air to enter or exit an internal combustion engine enclosure. The louver comprises a matrix of intersecting horizontal and vertical passive sound absorptive slats.
    Type: Grant
    Filed: December 17, 1999
    Date of Patent: August 14, 2001
    Assignee: Caterpillar Inc.
    Inventors: James J. Callas, David C. Copley, Emile E. Damotte, Kristian M. Stoeckel
  • Acoustical absorber array
    Patent number: 6053275
    Abstract: A plurality of acoustical absorption elements are mounted in a two-dimensional spaced array on an acoustically reflective surface of an machinery enclosure, in such a manner as to expose portions of the reflective surface between neighboring elements. The elements are preferably of a substantially standard size and shape in order to enhance production and inventory efficiency, although materials of various thickness may be provided to accommodate tuning for specific frequencies to be absorbed.
    Type: Grant
    Filed: September 22, 1998
    Date of Patent: April 25, 2000
    Assignee: Caterpillar Inc.
    Inventors: John T. Leonetti, Mark B. Sutherland, Emile E. Damotte