Patents by Inventor Hubert W. Gilbert

Hubert W. Gilbert 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).

  • X-ray focal spot locating apparatus and method
    Patent number: 4532646
    Abstract: An X-ray beam finder for locating a focal spot of an X-ray tube includes a mass of X-ray opaque material having first and second axially-aligned, parallel-opposed faces connected by a plurality of substantially identical parallel holes perpendicular to the faces and a film holder for holding X-ray sensitive film tightly against one face while the other face is placed in contact with the window of an X-ray head.
    Type: Grant
    Filed: June 16, 1983
    Date of Patent: July 30, 1985
    Assignee: The United States of America as represented by the Department of Energy
    Inventor: Hubert W. Gilbert