Patents by Inventor Roy C. Hunt

Roy C. Hunt 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).

  • Hydraulic wrench
    Patent number: 3972242
    Abstract: A high-torque hydraulic wrench useful for tightening and loosening bolts and nuts on heavy machinery is described.
    Type: Grant
    Filed: August 30, 1974
    Date of Patent: August 3, 1976
    Assignee: Standard Oil Company
    Inventor: Roy C. Hunt