Patents by Inventor Stuart A. Higgins

Stuart A. Higgins 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).

  • Treatment of fuel vapor emissions
    Patent number: 5245974
    Abstract: An internal combustion engine installation is provided which comprises an air compressor (20) to supply air to effect injection of the fuel for combustion in the engine, a fuel tank (12), an air/fuel separator (10) to receive vapor generated in the fuel tank (12) and separate the fuel in vapor from the air and a passage (25) communicating the separator with the inlet port of the compressor (20) so that when the compressor (20) is in operation at least part of the air taken in by the compressor (20) is drawn through the part of the separator (10) where the fuel is held to extract fuel therefrom.
    Type: Grant
    Filed: August 26, 1992
    Date of Patent: September 21, 1993
    Assignee: Orbital Engine Company (Australia) Pty. Limited
    Inventors: Stephen J. Watson, Darren A. Smith, Stuart A. Higgins, Christopher N. F. Sayer