Patents by Inventor Bruce L. Blackmon

Bruce L. Blackmon 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).

  • Pipe crawler apparatus
    Patent number: 6427602
    Abstract: A pipe crawler apparatus particularly useful for 3-inch and 4-inch diameter pipes is provided. The pipe crawler apparatus uses a gripping apparatus in which a free end of a piston rod is modified with a bearing retaining groove. Bearings, placed within the groove, are directed against a camming surface of three respective pivoting support members. The non-pivoting ends of the support members carry a foot-like gripping member that, upon pivoting of the support member, engages the interior wall of the pipe.
    Type: Grant
    Filed: July 2, 2001
    Date of Patent: August 6, 2002
    Assignee: Westinghouse Savannah River Company, LLC
    Inventors: Gregory L. Hovis, Scott A. Erickson, Bruce L. Blackmon