Patents by Inventor James F. Pike

James F. Pike 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).

  • Substantially oxygen-free contact tube
    Patent number: 5192852
    Abstract: A device for arc welding is provided in which a continuously-fed electrode wire is in electrical contact with a contact tube. The contact tube is improved by using a substantially oxygen-free conductive alloy in order to reduce the amount of electrical erosion.
    Type: Grant
    Filed: November 14, 1991
    Date of Patent: March 9, 1993
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventor: James F. Pike