Patents by Inventor Philip Buttigieg

Philip Buttigieg 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).

  • Patent number: 4224167
    Abstract: A filler tube or hose and filter unit for disengageable attachment to and disposition within a filler pipe and within a communicating storage tank, and having as one component a flexible and reinforced hose, as a second component mounting or disengageable attaching means at the upper end of the hose for cooperation with the filler pipe mouth and for receipt of a closure cap, and as a third component filtering means at the lower end of the hose whereby said hose serves as the conduit for a smooth flow of fuel from the source or pump to the storage tank, and the filtering means serves both to eliminate impurities in the fuel and to aid in preventing sudden backsurge of the fuel from the tank in the event of accidental impact.
    Type: Grant
    Filed: March 19, 1979
    Date of Patent: September 23, 1980
    Inventor: Philip Buttigieg