Patents by Inventor Rufus A. Henry, Jr.

Rufus A. Henry, Jr. 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).

  • Portable grinding machine for resurfacing cylinder head retainers
    Patent number: 4069624
    Abstract: A portable grinding apparatus which refinishes the cylinder head retainer seat in an engine block to provide a surface substantially flat and square with the axis of the cylinder bore. The positioning discs are axially mounted on a central shaft, the lower of these discs enables the grinding apparatus to be initially inserted and centered within the cylinder while the upper disc is expandable within the cylinder for securing the grinding apparatus in the proper orientation for a grinding tool to refinish the surface of the cylinder head retainer seat square to the axis of the cylinder bore.
    Type: Grant
    Filed: February 19, 1976
    Date of Patent: January 24, 1978
    Assignee: Stanray Corporation
    Inventor: Rufus A. Henry, Jr.