Patents by Inventor Frederick A. Fonner

Frederick A. Fonner 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 well completion
    Patent number: 4157732
    Abstract: Well completion apparatus is prepared in such a manner that a first metal element and a second metal element of the apparatus will have the capability of acting as a galvanic couple when contacted intimately with an electrolyte. During a sufficient amount of time of contact with the electrolyte, the first metal element will sacrificially corrode providing a passageway for flow of fluids between the interior and exterior of a conduit disposed in a well bore.
    Type: Grant
    Filed: October 25, 1977
    Date of Patent: June 12, 1979
    Assignee: PPG Industries, Inc.
    Inventor: Frederick A. Fonner