Patents by Inventor David Littlechild

David Littlechild 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).

  • Inlet valve assembly for internal combustion engines
    Patent number: 4428336
    Abstract: The invention provides an improved inlet valve assembly for use in internal combustion engines. Gas distribution mechanism are provided to divide the gas passing between the valve and the valve seat into a plurality of circumferentially spaced jets each having a radial component of motion. Preferably, the jets are inclined to the radial direction.
    Type: Grant
    Filed: February 26, 1979
    Date of Patent: January 31, 1984
    Assignee: Epicam Limited
    Inventors: Anthony O. Dye, David Littlechild