Patents by Inventor Philip A. Langran

Philip A. Langran 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).

  • Fuel vapor recovery device
    Patent number: 5255735
    Abstract: A fuel vapor recovery device having: a condenser in communication with fuel vapor from a fuel tank, the condenser condenses fuel from the fuel vapor; a reservoir collecting condensate from the condenser, the reservoir maintains the condensate at a temperature sufficient to maintain the condensate in a liquid state; and return means returning the condensate to the fuel tank. Also disclosed is a method of removing fuel from a fuel vapor including the steps of: passing the fuel vapor from a fuel tank through a condenser; condensing the fuel from the vapor; cooling the condensate to a temperature sufficient to maintain the condensate in a liquid state; and returning the condensate to a fuel tank periodically.
    Type: Grant
    Filed: December 21, 1992
    Date of Patent: October 26, 1993
    Assignee: Ford Motor Company
    Inventors: Ram S. Raghava, Philip A. Langran, Richard H. Wykoff