Patents by Inventor William F. Colvell

William F. Colvell 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).

  • Bearing extractor
    Patent number: 4694569
    Abstract: A bearing extractor having a support element in which a rod is positioned such that the rod is capable of expanding, within a bearing, the prongs of a bearing grasping assembly. Once the prongs of the bearing grasping assembly grasp the bearing, the bearing is raised by the rod until the case surrounding the bearing engages the support element. Thereafter continued raising of the rod removes the bearing from its case.
    Type: Grant
    Filed: April 2, 1986
    Date of Patent: September 22, 1987
    Inventors: William F. Colvell, Dean M. Baker