Patents by Inventor Jack R. Hickman

Jack R. Hickman 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 magnetically sampling the uniformity of an elongate object
    Patent number: 5828213
    Abstract: Apparatus for performing nondestructive magnetically testing and inspection of elongate objects. The apparatus concentrically surrounds the elongate object to be tested and includes means for inducing a magnetic field in the elongate object and a partial ferrous return path for the magnetic flux emanating from a pair of magnet arrays. The partial ferrous return path is engaged with a sensor for detecting variations or flaws in the elongate object.
    Type: Grant
    Filed: October 21, 1996
    Date of Patent: October 27, 1998
    Inventor: Jack R. Hickman