Patents by Inventor John S. Ahearn, Jr.

John S. Ahearn, Jr. 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).

  • Formation of pitting resistant anodized films on aluminum
    Patent number: 5205922
    Abstract: A method and apparatus for retarding the pitting of aluminum by coating the luminum with a film which includes molybdenium oxide.The aluminum material is preexposed to a molybdate solution before anadizing in a sodium tartrate solution.
    Type: Grant
    Filed: November 20, 1990
    Date of Patent: April 27, 1993
    Assignee: The United States of America as represented by the Secretary of the Navy
    Inventors: John S. Ahearn, Jr., Guy D. Davis, William C. Moshier