Patents by Inventor Geoffrey P. Sandford

Geoffrey P. Sandford 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).

  • Internal combustion engines
    Patent number: 4409946
    Abstract: A fuel supply system of an internal combustion engine, the system includes a vessel to provide fuel vapor and a nozzle to mix the vapor with air.
    Type: Grant
    Filed: January 23, 1981
    Date of Patent: October 18, 1983
    Assignee: Vaporpak Pty. Limited
    Inventors: Geoffrey P. Sandford, Paull A. Alekna
  • Railway sleeper
    Patent number: 4203549
    Abstract: A railway sleeper component and a sleeper made from two such components joined by a gauge bar. The sleeper components being characterized by a top and a base joined by hollow columns with webs between the columns. Each component including means whereby a rail may be mounted on the top of the column together with an end of the gauge bar. The columns are hollow and are open at the base and at or near the top to permit grout to be admitted at the top to flow through the base and into the rail bed ballast to bind the components to the road bed.
    Type: Grant
    Filed: April 4, 1978
    Date of Patent: May 20, 1980
    Inventor: Geoffrey P. Sandford