Patents by Inventor Pandelis N. Papafingos

Pandelis N. Papafingos 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).

  • Salt cake evaporator apparatus
    Patent number: 4090916
    Abstract: A method and apparatus for recovering flux salt and recycling or reusing the same in an aluminum refining method is disclosed.
    Type: Grant
    Filed: October 21, 1976
    Date of Patent: May 23, 1978
    Assignee: Alumax Mill Products, Inc.
    Inventors: Pandelis N. Papafingos, Richard T. Lance
  • Salt cake processing method and apparatus
    Patent number: 4073644
    Abstract: A method of recovering aluminum metal values and salt cake and recycling or reusing the same in an aluminum refining method is disclosed.
    Type: Grant
    Filed: February 17, 1976
    Date of Patent: February 14, 1978
    Assignee: Alumax Mill Products, Inc.
    Inventors: Pandelis N. Papafingos, Richard T. Lance
  • Recovering chloride flux salts for aluminum
    Patent number: 4060118
    Abstract: A method and apparatus for recovering flux salt and recycling or reusing the same in an aluminum refining method by introducing salt brine into a cylindrical evaporator with hot evaporator gas, rotating the evaporator to expose the brine to the hot gas and removing the slurry from the evaporator.
    Type: Grant
    Filed: October 21, 1976
    Date of Patent: November 29, 1977
    Assignee: Alumax Mill Products, Inc.
    Inventors: Pandelis N. Papafingos, Richard T. Lance
  • Aluminum dross recovery method
    Patent number: 4039173
    Abstract: Dross, principally oxides and nitrides of aluminum and entrained metallic aluminum, is transferred quickly from the melting furnace to a cooling drum and cooled in less than 3 minutes to below 400.degree. F. without substantial removal of metallic aluminum before recovery of metallic aluminum.
    Type: Grant
    Filed: October 8, 1976
    Date of Patent: August 2, 1977
    Assignee: Alumax Mill Products, Inc.
    Inventors: Pandelis N. Papafingos, Richard T. Lance
  • Aluminum dross recovery method
    Patent number: 4033760
    Abstract: Dross, principally oxides and nitrides of aluminum and entrained metallic aluminum, is transferred quickly from the melting furnace to a cooling drum and cooled in less than 3 minutes to below 400.degree. F. without substantial removal of metallic aluminum before recovery of metallic aluminum.
    Type: Grant
    Filed: October 23, 1975
    Date of Patent: July 5, 1977
    Assignee: Alumax Mill Products, Inc.
    Inventors: Richard T. Lance, Pandelis N. Papafingos
  • Method of treating aluminum drosses, skims and slags
    Patent number: 4030914
    Abstract: Aluminum drosses, skims and slags are treated by melting under a cover flux comprising sodium chloride or potassium chloride or mixtures thereof in combination with calcium chloride, the calcium chloride comprising from about 1 to about 50% of the flux composition.
    Type: Grant
    Filed: April 12, 1976
    Date of Patent: June 21, 1977
    Assignee: Alumax Mill Products, Inc.
    Inventors: Pandelis N. Papafingos, Richard T. Lance