Patents by Inventor Robert Daru

Robert Daru 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).

  • Method and apparatus for mixing and dispensing oil and gasoline in a tank
    Patent number: 7014067
    Abstract: An apparatus and method for mixing and dispensing gasoline and oil from a tank in which a flow of gasoline and oil is diverted from a dispenser pump outlet back into the tank to create a mixing of the gasoline and oil to dispensing the mixed gasoline and oil by operation of a dispensing nozzle also connected to the pump outlet.
    Type: Grant
    Filed: July 5, 2003
    Date of Patent: March 21, 2006
    Inventor: Robert Daru