Patents by Inventor Francis A. Hamerly

Francis A. Hamerly 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).

  • Filter for a fuel system
    Patent number: 5132009
    Abstract: A filter arrangement (26) for a fuel system (10) having a cartridge (92) located in a bore (48) of a housing (42) for sequentially interruption flow communication from the bore (48) to a regulator (14) through an outlet port (44) and to the bore (48) through an inlet port (46) from a source (16) of fuel prior to the removal of the cartridge (94) from a housing (42). The housing (42) has a vent port (52) and a drain port (54) which are opened to allow fuel in the bore (48) to flow to a storage container (56) once the outlet (44) and inlet (46) ports are closed so that fuel is not lost from the fuel system (10) on the removal of the cartridge (94) from the bore (48).
    Type: Grant
    Filed: February 26, 1990
    Date of Patent: July 21, 1992
    Assignee: Allied-Signal Inc.
    Inventors: Paul W. Futa, Jr., Francis A. Hamerly