Patents by Inventor Willie Lansdale

Willie Lansdale 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).

  • Parting composition comprising glycerol trioleate and vegetable oil
    Patent number: 4775418
    Abstract: A parting composition useful for continuously casting aluminum and aluminum alloys and comprising glycerol trioleate and a vegetable oil. Mixtures of glycerol trioleate with castor oil have superior properties compared with parting compositions previously used for continuous ingot casting.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: October 4, 1988
    Assignee: Aluminum Company of America
    Inventors: Joseph T. Laemmle, John Bohaychick, Willie Lansdale
  • Parting composition comprising glycerol trioleate, castor oil and copper corrosion inhibitor
    Patent number: 4634469
    Abstract: A parting composition useful for continuously casting aluminum and aluminum alloys and comprising glycerol trioleate, castor oil and a copper corrosion inhibitor. The parting composition of the invention has superior properties compared with parting compositions previously used for continuous ingot casting. The copper corrosion inhibitor prevents deterioration around openings in oil injection rings made from copper.
    Type: Grant
    Filed: March 21, 1985
    Date of Patent: January 6, 1987
    Assignee: Aluminum Company of America
    Inventors: Joseph T. Laemmle, John Bohaychick, Willie Lansdale
  • Continuous casting with glycerol trioleate parting composition
    Patent number: 4522250
    Abstract: A process for continuously casting aluminum and aluminum alloys using a parting composition comprising glycerol trioleate. Both glycerol trioleate and mixtures of glycerol trioleate with castor oil have superior properties compared with parting compositions previously used for continuous ingot casting.
    Type: Grant
    Filed: December 29, 1982
    Date of Patent: June 11, 1985
    Assignee: Aluminum Company of America
    Inventors: Joseph T. Laemmle, John Bohaychick, Willie Lansdale